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76results about How to "Reduce operating links" patented technology

High degree of substitution quaternary ammonium cationic starch flocculating agent and method for synthesizing same

The invention relates to a green flocculant- ammonium type cation starch flocculant with high replace degree. Said flocculant employs one of corn starch, wheat starch, tapioca starch, potato starch or any of mixture of them as raw material, takes 3-Chloro-2-hydroxypropyl-trimethylammonium Chloride, or epoxypropyl trimethyl ammonium chloride as cationic etherifying agent, and employs dry method to synthesize said flocculant by using sodium hydroxide and co-catalyst as complex catalyst system. The invention combines the advantage of dry method and semi-dry method, overcomes problem of agglomeration of starch during solution ejection, and solves problems of pasting and agglomeration of starch during reaction process when together with base. The invention is characterized by non post treatment, non three waste, simple processes, short reaction period, mild reaction condition, high efficiency and low cost. The flocculant is characterized when compared with normal ones by less consumption, fast settling speed, high transparency, and wide use for wastewater treatment and sludge waterless in industries such as paper making, dyeing, leathering making and petrochemical industry.
Owner:CHENGDU ORGANIC CHEM CO LTD CHINESE ACAD OF SCI

Swiftmoth insect integrated management device and management method thereof

The invention discloses a swiftmoth insect integrated management device comprising an enclosed box body, a pupa eclosion table, an ovum filtering net, an adult laying table, an ovum receiver and an isolated water tank. The pupa eclosion table is arranged on the upper part inside the enclosed box body; the middle part inside the enclosed box body is provided with the adult laying table; the ovum receiver is arranged under the ovum filtering net; supporting legs under the ovum receiver are arranged in the isolated water tank; and the whole device integrates management of pupa period, eclosion, mating and collection of ovum of the swiftmoth, so as to reduce the operation steps and greatly lighten the labor intensity of work staffs; and because the adults are subjected to little interference, the collection ratio of the ovum is higher; a sealing structure avoids the escape of the swiftmoth, and the isolated water tank prevents ovums from damaging by mice and ants; and the device is adopted under the condition of same radixes of pupas to obtain more and better ovum.
Owner:CHONGQING ACAD OF CHINESE MATERIA MEDICA

Method for planting corn in staggered large and small rows in two seasons

InactiveCN101849468AGuaranteed year-round coverageIncrease organic matterHorticultureProtection sexCrop residue
The invention provides a method for planting corn in staggered large and small rows in two seasons, belongs to the technical field of planting of crops and adopts a double-season corn mode, a large and small-row staggered planting mode, a strip crop rotation centralized management mode, a previous season crop residue protective cultivating mode and a precision drilling mode on the basis of enhancing sunshine and heat resources in a multiple cropping planting area, protecting the recovery of farmland capability and enhancing unit area yield and agricultural comprehensive benefit. The mode of double-season corn comprises a yearly double-season seed harvesting mode, a seasonal silage corn and a seasonal seed harvesting mode and a double-season silage corn mode. In large and small-row staggered planting, small rows (30 to 45 centimeters) and large rows (70-90 centimeters) are switched and staggered in a previous season and a next season to form an alternate recovering mode; the centralized management mainly refers to cultivation management on a small-row area; a large-row area is a protective cultivation area; and the large and small rows form strip crop rotation. The method has the advantages of high material production capacity, high light temperature utilization ratio, capability of simplifying cultivation and saving water and fertilizer, and the like.
Owner:赵明 +1

Large-field cultivation method for stropharia rugoso-annulata cultivated species

The invention discloses a large-field cultivation method for stropharia rugoso-annulata cultivated species, which comprises the following steps: manufacturing a cultivation material; selecting a cultivation place and setting a seeding area in the cultivation place; setting a cultivation layer in the seeding area and seeding strains; covering a soil layer and a straw layer to the seeded cultivation material layer; and preserving heat and humidity for the cultivation material layer till the cultivated species grow. The large-field cultivation method for the stropharia rugoso-annulata cultivated species directly places the cultivation material into a large field in an outdoor environment, and the primary strains grow on the cultivation material to produce hypha so as to finally obtain the cultivated species; the cultivation method has the advantages of little cultivation link, short production period and convenient implementation; simultaneously, the method strictly and scientifically controls the process conditions of material proportion, temperature, humidity and the like during the cultivation so that the hypha has high survival rate and good growth vigor and the cultivated species have high yield; and the method has low production cost and little environment pollution, and can fully meet the demand of cultivating large amount of stropharia rugoso-annulata in countryside.
Owner:巫溪县万统野生资源开发有限责任公司

Wide-row flat planting protective tillage planting method for maizes

The invention relates to a planting method for crops, in particular to a wide-row flat planting protective tillage planting method for maizes. The planting method comprises the following seven steps of: performing land preparation, sowing, rolling after sowing, weeding by pesticides, subsoiling mechanically and performing side deep fertilizing, preventing and controlling diseases and insect pestsand harvesting mechanically. In the planting method, the conventional 60-centimeter uniform ridge planting mode is changed into a flat planting mode of 80-centimeter row pitch and 20-centimeter row spacing, and ventilating and light-transmitting space of the crops is increased; the conventional shallow intertillage and shallow fertilization mode is changed into a mechanical deep scarification anddeep topdressing mode, namely the conventional three-shovel three-time intertillage management and shallow fertilization operation is changed into one-time deep scarification and deep topdressing operation, so operation links are reduced, and the production cost is reduced; the conventional sowing mode is changed into a zero-tillage sowing mode, so the evaporation of soil moisture is reduced, andthe capacity of drought resistance and soil moisture conservation is improved; the conventional mode that harvested low stubbles are crushed to return to a field into a mode that mechanically-harvested high stubbles are rotten naturally to return to the field; and before sowing, seeds are processed by using a plasma seed processing technology to improve the germination percentage of the seeds.
Owner:梨树县农机技术推广总站

Corn stubble-remaining ridge side planting method

The invention relates to a stubble-leaving ridge side planting method pertaining to a technical field of corn planting and cultivation. A stubble of 5-15cm is left in even ridges of the existing tillage method after corn harvest, and seeds are sowed at a side of the ridge containing the stubble in the next year. One plough is shallowly processed on the side of a stubble belt of the last year, and then base fertilizer is applied. The seeds in precision quantity are manually sowed by using a disseminator and then grain fertilizer is applied. Soil is covered on the seeds and compacted to conserve soil moisture. The stubble-leaving ridge side planting method for corn of the invention realizes safely returning of straws, little move of soil, soil moisture conservation and seedling protection. Combined with dressing, subsoiling is used for breaking plough pans to create soil reservoir of plough layers, improve the use efficiency of natural rainfall, realize natural decay and returning of high stubbles, increase soil organic matters and cultivate fertility, thus ensuring the sustainable use of land resource.
Owner:JILIN ACAD OF AGRI SCI

Measurement and installation method of plate-type ballastless track primary standard

ActiveCN101768904ASmall measurement transfer errorHigh precisionMeasuring apparatusPrimary standardEngineering
The invention discloses a measurement and installation method of a plate-type ballastless track primary standard, comprising the following steps of preparing job, preliminarily locating and measuring a primary standard, anchoring the primary standard, carrying out three dimensional coordinate measurement on the primary standard, adjusting the primary standard, carrying out plane re-check measurement and smoothness check on the primary standard, carrying out altitude re-check measurement on the primary standard and sealing the primary standard. The method has small measurement transfer error, high precision, few intermediate job links of the measurement, high work efficiency, material saving and simple, convenient and rapid operation.
Owner:CHINA RAILWAY NO 8 ENG GRP CO LTD

Micro-fluidic chip, nucleic acid detection instrument and nucleic acid detection method

The invention relates to a micro-fluidic chip, a nucleic acid detection instrument and a nucleic acid detection method, wherein the micro-fluidic chip comprises a chip main body, an extracting unit, aquantitating unit and an amplification unit, wherein the chip main body is provided with a distal end and a proximal end; the chip main body can rotate around a rotating center near the proximal endthrough being driven by a rotating device; the extracting unit, the quantitating unit and the amplification unit are respectively arranged at the chip main body; the quantitating unit communicates with the extracting unit; the amplification unit is positioned between the quantitating unit and the distal end; and the amplification unit communicates with the quantitating unit. The micro-fluidic chip, the nucleic acid detection instrument and the nucleic acid detection method have the advantages that the operation links of a nucleic acid reagent are reduced; the nucleic acid detection time is shortened; and the effective proceeding of the nucleic acid detection process is ensured.
Owner:BEIJING KINGHAWK PHARMA

Method for summarizing rice regional test information rapidly

InactiveCN102592201AReduce operating linksChanging the computational workload is heavyResourcesRice cultivationData needsAnalysis of variance
The invention discloses a method for summarizing rice regional test information rapidly. The method comprises the steps of: (1) collecting and managing element data from each test point according to a standard element data table format and recording the element data in corresponding element data tables; (2) respectively copying and sticking the data in each element data table into an Excel electronic table; (3) setting an Excel electronic table template group to automatically generate data needed by the summarization of the regional tests; (4) calculating a comparative value between the growth period of each variety and the growth period of a check variety; (5) calculating a comparative value between the yield of each variety and the yield of the check variety; (6) calculating a comparative value between the daily output of each variety and the daily output of the check variety; (7) performing an analysis of variance; and (8) generating a table and carrying out a summarization. The method for summarizing the rice regional test information rapidly, disclosed by the invention, solves the current situation that the traditional method has a great calculation workload, is easy to make mistakes and the like, can be popularized to the summarization of regional test information of other crops, and has the advantages of having wide application prospect, being simple and easy, shorting calculation time, improving accuracy and the like.
Owner:CROP INST SICHUAN PROVINCE ACAD OF AGRI SCI

Automatic cleaning device for deep sea culture cages

The invention discloses an automatic cleaning device for deep sea culture cages. The automatic cleaning device comprises a base, guide wheels, a steel cable and a cleaning plate; the base is placed above a cage base body, a driving wheel is installed below the base, and the driving wheel is driven by a driving motor; an inverse U-shaped guide wheel support frame is fixed inside the base, a pulley is installed inside the guide wheel support frame, and the pulley presses on a handrail; two pairs of guide wheels are fixed at the upper corners of the guide wheel support frame, and the steel cable is connected with the cleaning plate in a suspending mode via the guide wheels. The device is high in automation degree and low in cost, and can be used for cleaning cages in the culture process without taking the cages out of the water for treating, so that the operating link is reduced and the labor intensity is reduced.
Owner:SOUTH CHINA AGRI UNIV +1

Storage and separation integration method based on combination of multi-station joint robots and multiple layers of shuttle cars

The invention discloses a storage and separation integration method based on combination of multi-station joint robots and multiple layers of shuttle cars. The method judges whether warehoused cigarettes are large-specification cigarettes or not; if so, the large-specification cigarettes are sent to a stacking station of a first layer of multi-station joint robots to be stacked on trays to form solid trays to be sent to a tray three-dimensional warehouse, and are placed on supports stored by a stacking machine; if the warehoused cigarettes are small-specification cigarettes, the small-specification cigarettes are sent to a box three-dimensional warehouse, and are placed on supports through the multiple layers of shuttle cars in a cigarette piece form; when delivery dispatching instructionsare the large-specification cigarettes, the large-specification cigarettes are sent to an unstacking station of a second layer of multi-station joint robots, and the second layer of multi-station joint robots unstack the cigarettes on the solid trays to cigarette pieces to feed to a feeding line in real time; when the delivery dispatching instructions are the small-specification cigarettes, the small-specification cigarettes are sent to a warehouse outlet of the box three-dimensional warehouse in the cigarette piece manner, and are fed to the feeding line by a lifter; and the large-specification cigarettes and the small-specification cigarettes pass through a second layer of cigarette piece collecting and separating systems, and are fed to a sorting line in sequence.
Owner:SIPPR ENG GROUP

Push-rocking type Chinese date classifying harvester

The invention provides a push-rockable Chinese date classifying harvester which is characterized by comprising a frame with travelling wheels, an eccentric wheel mounted on the frame, a funnel-shaped collecting device, a classifying screen, and a push-rocking device. The push-rocking device comprises a multi-bar connector, a horizontal pull bar, an upper pull bar, a lower pull bar, and a clamp, wherein the horizontal pull bar, the upper pull bar and the lower pull bar are hinged to the multi-bar connector, the clamp is mounted at the top of the upper pull bar and comprises an upper clamping plate, a lower clamping plate, a support bar, a sleeve, and a lock nut, both the sleeve and the lock nut are sleeved on the support bar in a threaded manner, the lock nut is abutted to the bottom of the sleeve, the bottom of the support bar is fixed at the top of the upper pull bar, and the upper clamping plate and the lower clamping plate are correspondingly and horizontally fixed at the top ends of the support bar and the sleeve. The other end of the horizontal pull bar is hinged to the eccentric wheel. The other end of the lower pull bar is connected with the frame through a pin. The collecting device is connected below the clamp, and a flexible pipe is disposed at the bottom of the collecting device. The classifying screen is connected to an outlet of the flexible pipe. The push-rockable Chinese date classifying harvester is high in harvesting efficiency, low in damage to fruits and low in labor intensity.
Owner:SHANDONG UNIV OF TECH

Outdoor permanent magnetic intelligent vacuum breaker

The invention relates to an outdoor permanent magnetic intelligent vacuum breaker. A zero sequence current transformer, a phase current transformer, a line voltage transformer, a filtering circuit, a power supply management circuit, a charging unit, a capacitive circuit, a photoelectric isolation circuit, a photocoupling isolation circuit, a storage unit, a watchdog circuit, a system unit circuit, a clock circuit, transistor-transistor logic (TTL) communication, a fault state alarm, a data line of an input keyboard, a liquid crystal display (LCD) and a light-emitting diode (LED) display are respectively connected onto a single-chip microcomputer. General packet radio service (GPRS) communication is connected with the TTL communication. The capacitive circuit and the photocoupling isolation circuit are connected with a driving and counter emf absorbing unit and a circuit of a permanent magnetic driver. A permanent magnetic driving circuit is provided with an in-place detecting circuit and an in-place indicator. A communication circuit is connected with the photocoupling isolation circuit, and a remote controller circuit below a column is further connected with the photocoupling isolation circuit. The outdoor permanent magnetic intelligent vacuum breaker has the advantages of being simple to operate and safe and reliable and is suitable for being used for outdoor vacuum breaker remote control operation.
Owner:HULUDAO POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER +2

Subsoiling cultivation method of corn stubble

The invention relates to a subsoiling cultivation method for corn with stubble, which belongs to the technical field of agricultural production and is completed by the steps of returning high stubble to the field, planting between rows of high stubble and subsoiling with stubble. The invention realizes the safe return of straw to the field, combined with topdressing and deep loosening during the corn growth period, so that the high stubble can be naturally rotted and returned to the field, increasing soil organic matter, fertilizing soil fertility, and making sustainable use of land resources. Realize complete, uniform and strong seedlings, and continuously high-yield, high-quality, and efficient corn production.
Owner:JILIN ACAD OF AGRI SCI

Safe venous blood sampling system with self-locking device

A safe venous blood sampling system with a self-locking device consists of a safe blood sampling needle, a needle holder and a vacuum blood sampling tube jointly. An inner hole of a conical head at the front end of an outer barrel is communicated with an inner cavity of the outer barrel. Three outwards unfolding ribs are arranged on the lower section of the safe venous blood sampling system, the largest diameters of the three outwards unfolding ribs are equal to or smaller than the inner diameter of the outer barrel, pitches among the three outwards unfolding ribs are larger than the width of two inserts, one of theribs is shortened, the bottom of the rib can be supported and locked by the bottom edge of a window on the front side wall of the outer barrel, a spring is compressed in the inner hole of the conical head, and the outer side of the window of the outer barrel is covered by a key contact plate. After blood is sampled, a triggering key is pressed down, the rib is not locked by the bottom edge of the window again, a needle seat is released, the spring resets, a needle tube is driven to retract into the inner cavity of the outer barrel, and a needle tip automatically deviates and is prevented from being exposed again. The inserts which are inclined inwards and forwards are arranged on the side wall of the front section of the outer barrel, an annular bump is disposed on the front section of an end cap of the blood sampling tube, a plurality of arc-shaped bumps are arranged at the lower end of the end cap of the blood sampling tube, the annular bump can be in embedded locking by the insert, the arc-shaped bumps rotatably support to release embedded locking of the insert, the blood sampling tube can be conveniently locked and released, so that blood sampling is safer and reliable, after being used once, the safe venous blood sampling system is destructed, and the needle tip retracts automatically, so that medical staff is protected against needling injury.
Owner:张亚平

Multi-tangential-flow drum corn threshing and cleaning device

The invention relates to a multi-tangential-flow drum corn threshing and cleaning device, and belongs to the field of agricultural machinery. The device comprises a cutting unit, a threshing unit, a cleaning unit and a collecting unit; the cutting unit comprises an auger (1); the threshing unit comprises a pressure feeding device (2), a thumb shifter type feeding device (12), a primary threshing device (9), a main threshing device (4) and a re-threshing device (5) which are successively arranged from front to back; the pressure feeding device (2) is arranged at the rear of the auger (1); and the cleaning unit comprises a shaking sieve (11), a vibrating sieve (6) and a cleaning fan (10). Corns can be peeled, threshed, cleaned, conveyed and collected mechanically in a whole process, the working efficiency is greatly improved, the labor intensity is reduced, meanwhile, the loss ratio, breakage ratio and impurity content are reduced, the corn harvesting quality is improved, and market space is wide.
Owner:CHINA AGRI UNIV

A Simple Tobacco Seedling Transplanter in Mountain Area

InactiveCN105706594BSmall purchase investmentSimple and fast operationTransplantingMouth shapeBiology
The invention discloses a simple tobacco seedling transplanting device for a mountain area. The simple tobacco seedling transplanting device comprises a seedling placement cylinder, a handle, duck-mouth-shaped opening grip, a reset spring, a pull rod, a pedal, a fixed duck mouth and a movable duck mouth; the seedling placement cylinder is a tubular cylinder, and an opening in the upper end of the seedling placement cylinder is a seedling placement opening; the handle is arranged on the seedling placement cylinder; the duck-mouth-shaped opening grip is mounted on the seedling placement cylinder through a rotating shaft; one end of the reset spring is connected with the lower end of the duck-mouth-shaped opening grip, and the other end of the reset spring is connected with the seedling placement cylinder; the pedal is arranged on the side face of the bottom end of the seedling placement cylinder; the fixed duck mouth is fixed to an opening in the bottom of the seedling placement cylinder, the movable duck mouth is mounted to the opening in the bottom of the seeding placement cylinder, the fixe duck mouth corresponds to the movable duck mouth, and the outer side of the movable duck mouth is provided with a mounting block; one end of the pull rod is connected with the mounting block, and the other end of the pull rod is connected with the lower end of the duck-mouth-shaped opening grip. By means of the simple tobacco seedling transplanting device, operation of hole digging, seedling placement and seedling planting can be completed at a time, work links are reduced, work efficiency is improved, operation is simple and convenient, popularization is easy.
Owner:SHANDONG LINYI TOBACCO

Mapping control point measurement point cloud data-based coordinate system conversion method

The invention provides a mapping control point measurement point cloud data-based coordinate system conversion method. The coordinate attributes of three mapping control points are measured; point cloud positions corresponding to the three mapping control points are labeled in CYCLONE software; and the addition of point cloud coordinate attributes is realized according to corresponding relations between point clouds and coordinates. According to the method of the invention, the coordinates and point clouds of the mapping control points of a site are measured, in specific, RTK measurement and scanning are carried out on the mapping control points, and therefore, an instrument can automatically collect the point clouds of the mapping control points while collecting the coordinates of the mapping control points; and the coordinate conversion of a later stage can be realized with one-time operation, working efficiency can be effectively improved under the condition that precision is met. The coordinate conversion of the whole cloud data of the site is realized. The mapping control point measurement point cloud data-based coordinate system conversion method has the advantages of simpleprocess, quickness, convenience and high operability.
Owner:XIAN CHANGQING TECH ENG +1

Method for enhancing methane production through biogas fermentation by reinforcing carbon dioxide utilization through fermentation separation coupling integration

PendingCN112920939AImprove in situ fixation efficiencyIncrease productionBioreactor/fermenter combinationsFungiBiotechnologyCellulose
The invention belongs to the technical field of biology, and particularly relates to a method for enhancing methane production through biogas fermentation by reinforcing carbon dioxide utilization through fermentation separation coupling integration. According to the invention, solid wastes such as crop straws are used for biogas fermentation, and anaerobic bacterial strains capable of utilizing carbon dioxide are added to ferment bacterial liquid, so that fixation utilization and biotransformation of carbon dioxide in biogas fermentation are realized, methane synthesis is facilitated, and the yield and proportion of methane are increased; by coupling a fermentation reactor and a gas separation membrane system, the carbon dioxide circularly flows back to a fermentation system while methane is separated and purified, so that the in-situ fixation efficiency of the carbon dioxide is further improved; and straw materials are pretreated through trichoderma reesei zymophyte enzyme liquid, so that lignocellulose is rapidly degraded into fermentation monosaccharide, proliferation of carbon dioxide fixation utilization strains and biogas fermentation strains is promoted, and the in-situ fixation efficiency of the carbon dioxide and the performance of methane production through biogas fermentation are further improved.
Owner:DALIAN UNIV OF TECH

Container wharf apron rail and water combined transportation vehicle and ship direct taking, loading and unloading operation system and method

The invention relates to a container wharf apron rail and water combined transportation vehicle and ship direct taking, loading and unloading operation system and method. The container wharf apron rail and water combined transportation vehicle and ship direct taking, loading and unloading operation system comprises a port wharf, a railway loading and unloading line parallel to a shoreline, and a first crane used for loading and unloading containers on a ship on the shoreline. The system further comprises a handover storage yard and a second crane used for loading and unloading containers on a railway loading and unloading line, and transverse hoisting and moving operation areas of the first crane and the second crane cover the handover storage yard. A container truck operation system process is provided, meanwhile, a vehicle and ship direct taking operation process of combined transportation of rail and water can be implemented, the horizontal transportation workload of a container truck is reduced, the vehicle and ship direct taking problem under the condition that vehicles and ships are not matched in short time is solved, in addition, the problem that the loading and unloading efficiency of a shore bridge for vehicle and ship direct taking loading and unloading operation is low is effectively solved, the limitation of direct container reloading is solved, the operation efficiency is greatly improved, and efficient seamless connection of rail-water combined transportation in the true sense is achieved under the support of a transportation information system.
Owner:中铁武汉勘察设计院有限公司

Pesticide-fertilizer mixing agent for oilseed rapes

InactiveCN104230522ALodging resistanceSolve the difficulty of drug selectionFertilizer mixturesAbscisic acidPhosphate
The invention relates to a pesticide-fertilizer mixing agent for oilseed rapes, which is prepared by mixing raw materials with following components and weights: for oilseed rapes per mu, 43-55 g of 50% procymidone wettable powder, 85-120 g of potassium dihydrogen phosphate, 0.4-0.8 g of 15% multi-effect triazole, and 0.1-0.4 g of an abscisic acid. The pesticide-fertilizer mixing agent disclosed by the invention achieves the functions of simultaneously preventing and treating the lodging of oilseed rape plants, sclerotinia rot of colza, and premature senescence, and solves the problems that farmers choose and use pesticides difficultly; and through the simultaneous application of pesticides and fertilizers, the operation links are reduced, the labor intensity is lowered, the production cost is reduced, the increasing of the rapeseed yield is promoted, an effect of increasing both production and income can be achieved, and thus the popularization and application of the pesticide-fertilizer mixing agent in agricultural production are facilitated.
Owner:安徽农科爱是福粮油有限公司

Few-no-tillage-soil seeding and fertilizing method for wheat and corns under complete straw mulching condition

The invention relates to a few-no-tillage-soil seeding and fertilizing method for wheat and corns under a complete straw mulching condition. The seeding and fertilizing method comprises the following steps of: after wheat is harvested by a combined wheat harvester, covering straws on the surface of soil in a strip manner basically, and implementing subsoiling, shallow and deep fertilization and seeding of corns in one step in seeding lines by a no-tillage corn seeding and fertilizing machine; and after the corns are harvested by a combined corn harvester, cutting up corn straws by rotary blades of the combined corn harvester, uniformly covering the corn straws on the surface of the ground, and implementing subsoiling, rotary tillage of wheat seeding belts, seeding of wheat and shallow and deep fertilization in one step by a no-tillage wheat seeding and fertilizing machine. The few-no-tillage-soil seeding and fertilizing method has the advantages of alleviating disturbance on soil, ensuring the variety and stable quantity of microorganisms in surface soil, being beneficial to benign growth of roots of crops and eliminating the influence of crop straw mulching on the quality of seeding and seedling emergence of wheat and corns.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI

PCR detector

The invention relates to a PCR detector. The PCR detector comprises a rotating device, a micro-fluidic chip and a temperature control device. The micro-fluidic chip comprises a chip main body, an extraction unit, a quantification unit and an amplification unit. The chip main body is arranged on the rotating device, and the chip main body is provided with a proximal end and a telecentric end. The extraction unit, the quantification unit and the amplification unit are sequentially communicated and are respectively arranged on the chip main body, and the extraction unit and the amplification unitare respectively arranged at the telecentric end of the chip main body when the chip main body rotates. The temperature control device comprises a heating assembly and a cooling assembly, the heatingassembly is used for heating the extraction unit and the amplification unit, the cooling assembly is used for cooling the extraction unit and the amplification unit, and the heating assembly is attached to the telecentric end when the chip body rotates. The PCR detector sequentially completes the two steps of nucleic acid extraction and amplification through the micro-fluidic chip, so that the operation link is reduced, and the nucleic acid detection time is further shortened. The heating assembly in the temperature control device has the advantages of high heating efficiency and high heat conduction efficiency.
Owner:BEIJING KINGHAWK PHARMA

Mud-cleaning bucket machine special for underground railway channel

The invention relates to a mud-cleaning bucket machine special for an underground railway channel. A drive pin wheel speed reducer, a main drive chain wheel, a driven chain wheel and a guide wheel are arranged on a stand, a main drive chain is arranged on an output shaft gear of the pin wheel speed reducer and the main drive chain wheel, a drive chain is arranged on the main drive chain wheel, the driven chain wheel and the guide wheel, a mud bucket is arranged on the drive chain, and a slag and oil box is connected with the stand. The invention realizes long-term use by once manufacture, has simple structure, easy installation, disassembly and maintenance, less operation links, low labor intensity of workers and easier construction and management, and improves the working efficiency. Braided bags are not used for loading mud in the mud-cleaning operation, the purchase, the issuance and the use of the braided bags are omitted, and more than 60 percent of mud-cleaning cost can be lowered.
Owner:CHINA RAILWAY NO 9 GRP

Inner channel type seed taking and direction changing device and on-film garlic planting machine

The invention discloses an inner channel type seed taking and direction changing device and an on-film garlic planting machine, solves the problems that a garlic seed metering device in the prior artis unstable in work and cannot guarantee planting upright degrees of garlic, and has the advantages of achieving directional sowing and improving the planting upright degrees of garlic seeds. The specific scheme is as follows: the inner channel type seed taking and direction changing device comprises a seed box, a garlic groove and at least one seed taking and direction changing unit, wherein thesize of the top of the seed box is larger than that of the bottom of the seed box, the whole garlic groove is arc-shaped, the garlic groove is formed below the seed box, the seed box and the garlic groove are located on one side of the at least one seed taking and direction changing unit, the adjacent seed taking and direction changing units are connected, each seed taking and direction changing unit comprises a rotatable seed taking disc and seed taking spoons arranged in the circumferential direction of the seed taking disc, a plurality of conveying pipes are supported through the seed taking disc, direction turning pipes are fixed to a rack, the size of one side of the transverse section of a garlic seed turning channel in each direction turning pipe is larger than that of the other side, and each direction turning pipe and the conveying pipes on the top end side and the bottom end side of the direction turning pipe can be located on a same straight line.
Owner:SHANDONG ACADEMY OF AGRI MACHINERY SCI

Integrated header for corn ear-picking, conveying and peeling

The invention discloses an integrated header for corn ear-picking, conveying and peeling. The integrated header comprises a machine frame, ear picking devices, a pressing feeding auger, a transverse peeling roller combination, a longitudinal peeling roller combination, lifting hydraulic cylinders, a transmission system and the like; the ear picking devices are installed on a front beam of the machine frame, and the pressing feeding auger is installed on outer side plates of the machine frame, and is composed of an auger cylinder, shifting-belt installing bases, supports, shifting belts, shifting-plate installing plates, shifting plates and the like, wherein the shifting-belt installing bases, the supports, the shifting belts, the shifting-plate installing plates, the shifting plates and the like are fixed on the auger cylinder; the transverse peeling roller combination is installed between the inner side plate and the outer side plates and located at the lower portions of the shiftingbelts on the pressing feeding auger; the longitudinal peeling roller combination is installed between a longitudinal roller front plate and a longitudinal roller back plate; the lifting hydraulic cylinders are located at the lower back portion of the machine frame and arranged on the left side and the right side. By means of the integrated header, ear picking, transverse conveying and peeling of corn can be achieved once, operating links are reduced, the impurity rate in a threshing cylinder is reduced, and the operating efficiency of the whole machine is improved.
Owner:JILIN UNIV

Hydrocyclone group

The invention discloses a hydrocyclone group, which comprises a plurality of hydrocyclones, a sand setting box and a movable ore pulp distributor moving along the layout direction of the plurality ofhydrocyclones, wherein the sand setting box is arranged below the plurality of hydrocyclones for containing sand setting ore pulp which flows out of the plurality of hydrocyclones; a fixed baffle is arranged in the sand setting box to divide the lower part of the inner cavity of the sand setting box into at least two separated sand setting chambers; in addition, the sand setting box is provided with at least two set sand outlets corresponding to the sand setting chambers; the ore pulp distributor is arranged in the sand setting box and is positioned between the fixed baffle and one part of hydrocyclones for distributing the set ore pulp to at least two sand setting chambers at a ratio. Therefore, the hydrocyclones have an ore pulp distribution function, so that an ore pulp distributor operation platform is omitted in plant configuration design, the height difference of a whole ore grinding factory is lowered, and investment is lowered.
Owner:CHINA ENFI ENGINEERING CORPORATION

Casting residual slag recovery and charging system

PendingCN111974789ASafe recyclingRecycling is safe and environmentally friendlySievingScreeningThermodynamicsSlag
The invention relates to the technical field of metallurgy, and particularly discloses a casting residual slag recovery and charging system. The casting residual slag recovery and charging system comprises a frame, and further comprises a primary fixed grid for receiving and filtering casting residual slag, a secondary movable grid for receiving and filtering the casting residual slag from the primary fixed grid, a slag collecting bin for receiving the casting residual slag from the secondary movable grid, a valve connected to a vertical pipe at the bottom outlet end of the slag collecting binand used for the on-off state of the vertical pipe, a movable feeder installed at the bottom output end of the vertical pipe and with a telescopic discharging port and a charging assembly arranged below the movable feeder and used for receiving materials from the movable feeder which are correspondingly and sequentially arranged on the inner side of the frame, and under the extension of the bottom discharging end of the movable feeder, the movable feeder can be inserted into a charging cavity of the charging assembly. According to the casting residual slag recovery and charging system, the difficult problem of recovery of the casting residual slag is effectively solved, and meanwhile the energy conservation and emission reduction and benefit improvement of enterprises can further be promoted.
Owner:GANSU JIU STEEL GRP HONGXING IRON & STEEL CO LTD

Formwork device for constructing inclined shaft working surface in coal mine

The invention discloses a formwork device for constructing an inclined shaft working surface in a coal mine. The formwork device mainly comprises portals, fixing oil cylinders, walking mechanisms, framework withdrawing cylinders, a bottom framework, a left side framework, a right side framework, main lifting oil cylinders, main declining oil cylinders, framework fixing bases, a portal bottom longitudinal beam I and a portal bottom longitudinal beam II, wherein square holes are formed in the two ends of the portal bottom longitudinal beam I and the portal bottom longitudinal beam II respectively; the portal bottom longitudinal beam I and the portal bottom longitudinal beam II are arranged side by side; the four walking mechanisms are arranged on the lower parts of the two ends of the portal bottom longitudinal beam I and the portal bottom longitudinal beam II; lifting oil cylinder columns on the walking mechanisms are inserted into the square holes in the two ends of the portal bottom longitudinal beam I and the portal bottom longitudinal beam II respectively; the lifting oil cylinder columns on the walking mechanisms are connected with corresponding ends of the main lifting oil cylinders; the other ends of the main lifting oil cylinders are connected to the bottoms of triangular ribs on one sides of the portals. The formwork device is high in mechanization, low in labor intensity and less in manpower investment, can effectively reduce the cost, and achieves parallel digging, waste rock-removing and pouring operations.
Owner:中煤第一建设有限公司第三十一工程处
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