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78results about How to "Low climate impact" patented technology

Deep water silt layer geological large-span multi-line reinforcing system and jacking culvert construction method

The invention relates to a deep water silt layer geological large-span multi-line reinforcing system and a jacking culvert construction method, and aims at providing a reinforcing system and a construction method for a high-water-level, long-jacking-stroke, large-span and high-tonnage jacking culvert to penetrate through multiple existing lines. The reinforcing system comprises a high-pressure jet grouting secant pile, a fender pile, an anti-traversing pile and a supporting pile. The jacking culvert construction method comprises the steps of starry well-point dewatering, foundation pit excavation and sliding plate fabrication, frame bridge prefabrication, line reinforcement, jacking equipment installation and process control. By adopting starry well-point dewatering, the problems of underground water burst and foundation instability during jacking are solved; since a frame bridge is integrally jacked after being prefabricated, the rigidity is high, the seismic performance is good and the influence by climate is smaller; compared with the traditional construction method, the reinforcement and the installation are convenient and easy to operate, the jacking speed is quick and the construction period is shortened; I-shaped steel, steel rails and sleepers used for engineering can be recycled; the overall economic benefits are remarkable, the practical value is greater and the application prospect is wide.
Owner:NO 1 ENG CO LTD OF CHINA RAILWAY 22ND CONSTR BUREAU +1

Laser scanning based vehicle type recognition method for free flow charging

The invention relates to a laser scanning based vehicle type recognition method for free flow charging. The laser scanning based vehicle type recognition method includes the following steps: by a laser scanning detector, parallelly scanning two sections of a travelling vehicle to acquire measured angle and distance data, wherein the two sections are perpendicular to the road plane and intersect; by the laser scanning detector, uploading the measured angle and distance data to a vehicle type recognition device; by the vehicle type recognition device, calculating to acquire length, width and height of the vehicle and outline information of the whole vehicle; matching the acquired vehicle outline information with a vehicle type classification feature library to acquire a vehicle type to achieve automatic vehicle type recognition. By the laser scanning based vehicle type recognition method, automatic vehicle type recognition of all passing vehicles of free vehicle flows with the average vehicle speed below 120 kilometers / hour can be realized.
Owner:WATCHDATA SYST

Dehumidifying air conditioner and dehumidifying method thereof

InactiveCN104791907AExtended operating temperature range for dehumidificationLow climate impactMechanical apparatusSpace heating and ventilation safety systemsControl cellEngineering
The invention discloses a dehumidifying air conditioner and a dehumidifying method thereof. The dehumidifying air conditioner comprises a compressor, an outdoor unit, an indoor unit and a control unit. A heat exchanger in the indoor unit comprises a reheating area, a switching area and a dehumidifying area which are connected in sequence, a main throttling device is connected between the reheating area and the outdoor heat exchanger, a first auxiliary throttling device is connected between the reheating area and the switching area, and a second auxiliary throttling device is connected between the switching area and the dehumidifying area. The control unit controls the throttling state of the first auxiliary throttling device and the second auxiliary throttling device, and the switching area can have the reheating function or the dehumidifying function. Thus, the switching area can serve as the dehumidifying area or the reheating area to work under different environment temperatures through adjustment of the flow of the throttling devices, the temperature range of dehumidifying operation of the air conditioner can be expanded, the application range of the air conditioner can be wider, and the influences of geography and weather are small.
Owner:GREE ELECTRIC APPLIANCES INC

Split type large buoy

The invention relates to a split type large buoy, which comprises an instrument compartment in the middle in a buoyancy compartment. The instrument compartment is provided with a mast tube which is arranged above the instrument compartment and is provided with an upper platform and a mooring system which is connected at the bottom of the instrument compartment. The split type large buoy is characterized in that the buoyancy compartment is formed via fixed connection of three fan ring-shaped sub-buoyancy compartments with the same structure, and each sub-buoyancy compartment is sealed separately; and the instrument compartment is arranged in a through hole formed via surrounding of the three sub-buoyancy compartments and is connected with the buoyancy compartment through a flange. Each sub-buoyancy compartment is provided with an underground instrument installation well and is filled with foaming materials. The invention has the advantages of simple structure, reliable assembly and simple processing technology. By adopting split assembly, the whole large buoy can be divided into six blocks to be transported separately and assembled into a whole after being transported to a designated location. Therefore, the invention also has the advantages that the split type large buoy can be transported conveniently when being used, the transportation time is short, and the effect of the climate is small during transportation.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI

Stereoscopic ecological farm and breeding method thereof

The invention relates to the field of ecological aquaculture, and discloses a stereoscopic ecological farm and a breeding method thereof. The structure of a main body of the farm and a roof rack are made by connection of light steel prefabricated parts. The roof rack is connected to the top of the structure of the main body of the farm and is formed by splicing two pieces of symmetrically-arranged roof rack units. The structure of the main body is divided into an upper-layer breeding area, a middle-layer fermentation area and a low-layer precipitation area. The breeding area is composed of relatively independent breeding houses. The fermentation area is composed of relatively independent fermentation houses. The fermentation houses correspond to the breeding houses in the upper layer. A hopper-shaped feces receiving tank is arranged below a feces leaking board of each breeding house. A filter net is arranged obliquely arranged in each hopper-shaped feces. The side board at the bottom end of each filter net is provided with a feces outlet and communicates with a feces conveying pipe. The fermentation area is connected with an earthworm breeding area. The earthworm breeding area is connected with a plantation area and an organic fertilizer fermentation area. A straw padding layer is laid in the fermentation area. A liquid dung conveying pipeline downwardly communicates with the low-layer precipitation area.
Owner:中合生态农业科技有限公司 +1

Fireproofing-thermal insulation-decoration integrated board and preparation method thereof

The invention belongs to the technical field of energy-saving and environment-friendly material, and particularly relates to a fireproofing-thermal insulation-decoration integrated board and a preparation method thereof. The fireproofing-thermal insulation-decoration integrated board disclosed by the invention comprises a fireproofing and thermal insulation felt, adhesive A, and a decorative board, and the fireproofing and thermal insulation felt is stuck on the decorative board by the adhesive A, so that the fireproofing-thermal insulation-decoration integrated board is formed. The invention overcomes the problems of high cost and easy powder dropping existing in conventional thermal insulation felts, and the product has better performance, and is more environment-friendly; the fireproofing and thermal insulation felt of the fireproofing-thermal insulation-decoration integrated board does not drop powder, and can be firmly combined with the decorative board under the effect of the adhesive A to form the fireproofing-thermal insulation-decoration integrated board, and thereby the effect of integrating fireproofing, thermal insulation and decoration together is achieved; the fireproofing grade of the fireproofing-thermal insulation-decoration integrated board disclosed by the invention is grade A1, the thermal insulation effect is good, product industrialization can be realized, and the difficulty of construction is low.
Owner:天津朗华科技发展有限公司

PVC water-proof coiled material

The invention relates to a PVC waterproof coil material which mainly comprises a buffer layer, a PVC material layer and a protective layer. The buffer layer and the PVC material layer are welded and jointed by PVC gaskets; and the protective layer is fixedly adhered to the PVC material layer in a point mode. The PVC waterproof coiled material has the characteristics of high tensile strength, large elongation, good weather resistance, wide range of the service temperature, and the like and the advantages of cold operation, simple and convenient construction, the reduction of environment pollution, the improvement on the labor conditions, and the like, not only makes up the defects of the yield and the performance of paper base asphalt felt, but also can effectively reinforce the impermeable performance of a waterproof layer of the coiled materials, prolong the waterproof durable time of the coiled materials, improve the integral quality of the waterproof layer, ensure that the waterproof layer has higher practical value in the building waterproof engineering and has wider application prospect.
Owner:王金军

Anti-season penaeus vanmamei factory culture method

The invention relates to an anti-season penaeus vanmamei factory culture method. The anti-season penaeus vanmamei factory culture method comprises the following steps: (1) selecting the site of a culture field, and designing a culture workshop and a penaeus vanmamei pond; (2) preparing before releasing young penaeus vanmamei; (3) temporarily culturing by putting the young penaeus vanmamei into the penaeus vanmamei pond; (4) managing in a growing period; and (5) harvesting. Anti-season penaeus vanmamei culture can be carried out in a northern area through the anti-season penaeus vanmamei factory culture method disclosed by the invention; compared with traditional culture, the anti-season penaeus vanmamei factory culture method is not limited by seasons and temperature and is capable of controlling the environmental conditions, such as temperature, illumination and dissolved oxygen, in a most proper penaeus vanmamei growing environment, preventing cross infection of pathogenic microorganisms and reducing disease occurrence; by means of high-density intensive culture, the yield is obviously increased; concentrated appearance of penaeus vanmamei on the market is avoided; the market supply is adjusted; the rural income is increased easily; simultaneously, culture is carried out by effectively utilizing the idle time in winter; and therefore, the utilization rate of land resources is greatly increased.
Owner:TIANJIN BOHAI SEA FISHERIES RES INST

Unmanned submersible photographical boat

The invention relates to an unmanned submersible photographical boat which comprises a shell and a camera, wherein the shell is in a seal structure; the upper part of the boat is provided with a seal cover, and the side edge of the cover is provided with a counterweight water pipe leading to the inside of the shell; the upper part of the bow of the boat is provided with a waterproof camera and a video; the stern of the boat is provided with a motor-linked yaw rudder; the bottom of the inside of the shell is provided with a counterweighted cement filled block, a front movable counterweight device and a rear movable counterweight device are respectively arranged at the forward and backward directions of the boat, and the upper parts of the front and rear counterweight devices are respectively provided with a left balancing device and a right balancing device; the middle part of a cavity is provided with a cross-bar surface plate; and the front and rear parts of the inside of the shell are respectively provided with a proof water tank. In the invention, because the camera and the video are arranged at the sealed submersible boat and controlled automatically, the underwater photography can be performed without manual operation, meanwhile, the unmanned submersible photographical boat is small in climatic influence, and can run for a long time without submersible dangers; and in addition, the photographical boat is low in photographical cost, compact in structure and easy to popularize and use.
Owner:何浩权

Artificial wet land plant distribution for purifying domestic sewage

A method for cleaning the life sewage features that the artificial wetting area is created and different kinds of plants suitable for the artificial wetting area are chosen for higher cleaning effect.
Owner:SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI +1

Environment-friendly artificial wetland system for purifying dredging remained water/tail water

The invention relates to an environment-friendly artificial wetland system for purifying dredging remained water / tail water. The environment-friendly artificial wetland system comprises a water level regulation pool, a wetland purification pool and an effluent collecting pipe, wherein the system forms a cuboid shape; the water level regulation pool is arranged at the front-end water intake part of the wetland purification pool; the effluent collecting pipe is arranged at the rear-end discharge part of the wetland purification pool; the reclaimed water / tail water enters the wetland purification pool after the water level regulation pool carries out suspended solid treatment on the dredging remained water / tail water; the reclaimed water / tail water is subjected to physical settlement and a series of biochemical reaction in the wetland purification pool for a period of time; the purified reclaimed water / tail water enters the effluent collecting pipe from the bottom of the wetland purification pool to discharge. The artificial wetland system is adopted to process the dredging remained water / tail water by combining with the actual condition of the dredging engineering, the environment-friendly artificial wetland system has the characteristics of being stable in effluent quality, strong in removal capacity on nutrient substances such as N, P and the like, low in construction and operation cost, convenient to maintain and manage, strong in impact load resistance, high in aesthetic value and the like, and the problem of beneficial use of dredging bottom mud containing high-content pollutants and organic matters can also be effectively solved.
Owner:安徽建工交通航务集团有限公司 +2

Water lifting platform

InactiveCN102381661ALow energy consumption for liftingEasy to buildLifting framesExhaust valveEngineering
The invention discloses a water lifting platform, which comprises a base and a framework arranged on the base, and is characterized in that: an airbag conveying device is arranged in the framework, and comprises an airbag arranged at the bottom of the framework and a lifting platform connected with the upper end of the airbag; the airbag is a multi-layer airbag or a folding airbag; the lower part of the airbag is provided with an airbag inlet / drain valve, and the upper part of the airbag is provided with an airbag intake / exhaust valve; the lifting platform is provided with a platform inlet / drain valve and a platform intake / exhaust valve; the framework comprises upright posts and beams, and is provided with an inlet / outlet; the upper end of the framework is provided with a truss or hoisting equipment; and each upright post is provided with a supporting piece seat and a supporting piece. In the whole working process, the energy consumption is low, the efficiency is improved, risks are reduced, and the construction is more convenient and quick.
Owner:SHANDONG GUTEQI RUBBER

Water glass old sand refurbishing equipment and process thereof for refurbishing old sand

The invention relates to equipment for refurbishing water glass old sand, in particular to comprehensive equipment for refurbishing water glass old sand by adopting crushing equipment, screening equipment, stripping equipment and classifying equipment. The equipment comprises a feeding device and further comprises a fine crusher, a screening machine, a stripping machine, a classifying machine and a belt type dust collector, wherein the feeding device is abutted with the fine crusher; the fine crusher is communicated with the screening machine through a bucket type elevator; the screening machine is communicated with a chute and is simultaneously communicated with the stripping machine; the stripping machine is communicated with the classifying machine; a gravity type lock wind discharge valve I is arranged at the bottom of the classifying machine; and the classifying machine is also communicated with the belt type dust collector. Compared with a traditional production process for washing and refurbishing by adopting a wet method, the production process is small in floor space, is less affected by weather and simultaneously causes no pollution to water resources. Compared with another advanced production process for refurbishing the water glass old sand by adopting a dry method, the process has the advantages of simple process flow, low investment and small floor space.
Owner:ZHENGZHOU NEW BOCHEN ENG TECH

Corrugated steel web-based steel-wood combined box girder

The invention discloses a corrugated steel web-based steel-wood combined box girder which comprises a wood top plate, a wood bottom plate positioned right below the wood top plate, and steel webs distributed between the wood top plate and the wood bottom plate; the longitudinal lengths of the wood top plate and the wood bottom plate are both consistent with the span of the constructed box girder, and the widths of the two are both consistent with the cross bridge width of the constructed box girder; the wood top plate and the wood bottom plate are both laminated wood plates, each laminated wood plate is formed by assembling a plurality of strip-shaped wood plates side by side, the plurality of strip-shaped wood plates are fastened and connected as a whole through a plurality of prestressed steel bundles arranged in cross bridge direction; the plurality of strip-shaped wood plates are arranged on the same one plane and distributed in longitudinal bridge direction; and two steel webs are both of corrugated steel plates. The corrugated steel web-based steel-wood combined box girder is reasonable in structure design, convenient to transport and install, shorter in construction period, small in influence by weather and good in use effect, and can solve various problems of the existing corrugated steel web prestressed concrete combined box girder.
Owner:CHANGAN UNIV

Detachable gravity dam and construction and dismounting method thereof

The invention relates to a detachable gravity dam and a construction and dismounting method thereof, and belongs to the technical field of water conservancy projects. The detachable gravity dam comprises a drainage grouting gallery, an anti-seepage curtain, a dam foundation drainage hole, a middle pier, a side pier and a transverse seam, and further comprises an upstream concrete panel, building block concrete, a downstream concrete panel, a plain concrete cushion layer and a dam foundation anchor bar; the building block concrete is formed by connecting prefabricated building blocks through bolts according to a certain sequence; the upstream concrete panel and the downstream concrete panel are correspondingly poured on the upper surface and the downstream side of a dam body, and the plainconcrete cushion layer is laid on the dam foundation, the detachable building block concrete is built on the plain concrete cushion layer, and the dam foundation anchor bar is arranged in each hoisting hole of the bottom-layer building block concrete. According to the detachable gravity dam and the construction and dismounting method thereof, the advantages of reliable quality and high construction efficiency of a prefabricated concrete component can be fully utilized, so that temperature cracks in the dam body are reduced, the safety of the gravity dam is ensured, meanwhile, the dam body is convenient to detach, and the economical and environment-friendly effects are realized.
Owner:KUNMING UNIV OF SCI & TECH

Mildew-proof and aroma-increasing water immersion fermentation method for modulating tobacco leaves

The invention relates to the technical field of tobacco leaf fermentation, in particular to a mildew-proof and aroma-increasing water immersion fermentation method for modulating tobacco leaves, which comprises the following steps of: screening tobacco leaves, separating tobacco leaf wastes from preferable tobacco leaves, putting the preferable tobacco leaves into a shed, shading and withering, pulling a plastic film, fully drying in the sun, yellowing, fixing color and taking off a shelf; cleaning and soaking the color-fixed dry tobacco leaves in water added with food mildew preventive DHA in proportion, taking out the tobacco leaves, preparing tobacco leaf waste into a tobacco extracting solution, spraying the tobacco extracting solution onto the tobacco leaves, spraying optimized bacillus on the tobacco leaves, and stacking the tobacco leaves on a plastic film on which the artemisia abrotanoides and perilla frutescens are paved in a layered manner with tobacco stems of the tobacco leaves facing outwards and the tobacco leaves facing inwards for fermentation. By the adoption of the method, after full soaking fermentation, the tobacco leaves do not mildew, green leaves are few, pesticide residues do not exist, components of the tobacco leaves are decomposed and converted through microorganisms, and a primary product of the tobacco which is better in color and luster, thicker in mellowness and better in taste is prepared.
Owner:黄锐

Assembled integrated house component and building method of integrated house

The invention relates to an assembled integrated house member comprising a house frame structure, an external wall assembly, a slop top plate assembly, an internal wall plate assembly and storey bearing plates, wherein the external wall assembly and the slop top plate assembly respectively comprise an outer coating faceplate, an inner coating faceplate and a packing layer between the outer coating faceplate and the inner coating faceplate, and both sides of the packing layer are provided with pressure sensitive adhesive and strippable paper. Each storey bearing plate comprises a reinforced frame body, an upper coating faceplate, a lower coating faceplate, cellular packing materials and a waterproof layer. The internal wall plate assembly comprises coating faceplates on both sides and a packing layer arranged between the coating faceplates, wherein both sides of the packing layer are provided with the pressure sensitive adhesive and the strippable paper. The members of the invention are processed in a standard way in factories, and are convenient for classification and long distance transport. The assembly parts of the external wall assembly, the slop top plate assembly and the internal wall plate assembly are separately manufactured and are installed on site. The assembled integrated house member has the advantages of orderly, easy, fast and convenient installation, low labor intensity, favorable house integrity, heat preservation, thermal insulation and sound insulation performance, environment and health protection, and energy and material saving.
Owner:淄博豪特集成房屋制造有限公司

Foundation steel pile for solar photovoltaic power station

A foundation steel pile for a solar photovoltaic power station comprises a vertical steel pipe, wherein the top end of the steel pipe is connected with a flange disc, the middle of the steel pipe is connected with radial positioning steel plates, the middle lower portion of the steel pipe is connected with left and right positioning steel bars, and the lower portion of the steel pipe is connected with front and back positioning steel bars. The foundation steel pile for the solar photovoltaic power station can replace an existing concrete foundation and a spiral steel pile foundation, can be applied in a modularized mode, is high in pile sinking speed, is wide in adaptability, is safe and reliable, is durable, and shortens construction time.
Owner:SHANGHAI SOLAR ENERGY S&T

Combined oscillation floater power generation platform

InactiveCN103696902AAvoid problems caused by oversizedSimple and dense structureHydro energy generationWind motor combinationsWave power generationCrank
The invention discloses a combined oscillation floater power generation platform for ocean. The combined oscillation floater power generation platform comprises an upper platform and a lower platform, wherein the upper platform and the lower platform are shaped as triangle, triangular parts between the upper platform and the lower platform are connected via pile legs, a wave power generation device is arranged below the lower platform and comprises a generator, a crank, a permanent magnet and a floater, the generator at the uppermost part is electrically connected with a power collection device and fixedly connected to the upper end of the crank, the lower end of the crank is hinged with the upper end of a sliding sleeve, the sliding sleeve is coaxially sleeved in a fixed sleeve, the fixed sleeve is fixed under a deck of the lower platform, an iron core is arranged in the sliding sleeve and fixedly connected with the fixed sleeve via an insulation support, a coil wraps the iron core, the iron core, the permanent magnet is fixedly arranged on the inner wall of the sliding sleeve, the lower end of the sliding sleeve is fixedly connected with the floater via a connecting rod, the floater is in contact with sea surface, and an electrode changing and power collection device is arranged on the outer side wall at the upper part of the fixed sleeve and electrically connected with the coil. The combined oscillation floater power generation platform is less susceptible to climate influence, can generate power in whole journey, and can generate power stably.
Owner:JIANGSU UNIV OF SCI & TECH

Crypt wine storage method

The invention discloses a crypt wine storage method. The crypt wine storage method includes the steps of wine jar selection, wine jar machining, wine addition and storage. Concretely, in the step of wine jar selection, wine jars which contain no metal substance or chemical substance, have acid and alkali resistance and are small in density, good in air permeability and free of seepage or leakage is selected, wherein the capacity of each wine jar is 970 jin; in the second step of wine jar machining, soaking, dispensing and coating are performed. Compared with an existing storage mode, storage and early maturing of wine are better facilitated, and the wine tastes softer, purer, milder and more fragrant; meanwhile, the problem that the storage time of Maotai-flavour liquor is long is solved, the actual storage time is shortened, and the turnover rate of current capital of commercially-oriented wine industry companies is increased; the method is low in cost and easy to popularize.
Owner:汤驰

Fabricated concrete gravity dam based on composite structure and construction method of fabricated concrete gravity dam

The invention relates to a fabricated concrete gravity dam based on a composite structure and a construction method of the fabricated concrete gravity dam, and belongs to the technical field of waterconservancy engineering. According to the fabricated concrete gravity dam, a dam body is mainly formed by pouring composite-structured concrete, and an upstream concrete panel and a downstream concrete panel are poured on the upstream side and the downstream side of the dam body; a plain concrete cushion is paved on a dam foundation, and the composite-structured concrete is laid on the plain concrete cushion; the composite-structured concrete is composed of precast concrete components and post-poured concrete in the precast concrete components, wherein the post-poured concrete is connected mutually to form a spatial frame structure system, and the stability of the dam body is enhanced; the advantages of the reliable quality of the precast concrete components, reduction of temperature cracks in the dam body and high construction efficiency can be fully used, meanwhile, due to the spatial frame structure system formed by the post-poured concrete, the integrity and stability of the dam body can be improved, and the safety of the dam body is ensured.
Owner:KUNMING UNIV OF SCI & TECH

Device for providing dynamic force by utilizing gravity

The invention discloses a device for supplying power by using gravity, which comprises a container chamber containing a high-density liquid, a gravity chamber, a rotating impeller, a plurality of gravity balls, and a control device, wherein, the lateral surface of the lower part of the container chamber is provided with an access hole provided with an automatic valve, the middle upper part of the container chamber is provided with an automatic cover provided with an induction device, and the outside wall of the container chamber at the upper part of the automatic cover is provided with a piston; the gravity chamber is connected with one side of the access hole of the container chamber, the bottom of the gravity chamber is provided with the induction device, the lower part of the gravity chamber is provided with an automatic sealing device which can seal the access hole of the container chamber at the lower part of the gravity chamber to form a closed chamber, one side of the closed chamber opposite to the access hole of the container chamber is provided with the piston, and the outside wall of the gravity chamber is provided with an inlet; the blade of the rotating impeller is positioned in the gravity chamber by the inlet; the plurality of gravity balls can float in the high-density liquid; and the control device is used for receiving the signals of the induction device and controlling the opening and closing of the automatic cover, the automatic valve and the automatic sealing device and the extension of the piston. The device is influenced little by environments and supplies power stably.
Owner:法哈德·阿赫默德·阿坎哈尔

Asphalt pavement prefabricated block and construction method for prefabricated asphalt pavement

The invention discloses a prefabricated asphalt pavement block and a construction method for the prefabricated asphalt pavement; a prefabricated asphalt pavement block is characterized in that it comprises a base plate (1), an adhesive layer (2) and an asphalt surface layer ( 3) The shape of the asphalt pavement prefabricated block is a cuboid, one side of the bottom surface is 5m~20m long, and the other side is 1m~20m long. The invention adopts the base plate of fiber-reinforced composite material whose thermal expansion coefficient is close to that of cement concrete and steel plate to reinforce the bottom surface of the asphalt layer, which improves the anti-fatigue and anti-reflection crack performance of the asphalt surface layer; effectively prevents rainwater from flowing under the asphalt surface layer seepage and erosion of the underlying bearing layer; for steel decks, the stiffness of the bridge deck can be improved, especially for steel decks with insufficient thickness of steel plates, which can play a reinforcing role, thereby reducing the thickness of the asphalt surface layer, and avoiding problems caused by insufficient stiffness of the steel deck. Cracking, falling off and other damages of the asphalt pavement layer.
Owner:广州大象超薄路面技术开发有限公司

Method of indoor seedling growing in hotbed for walnuts in plateau region

InactiveCN104160910AHigh unit emergenceGraft healing period is shortCultivating equipmentsHorticultureRootstockPlateau
The invention relates to a seedling growing method for walnuts, in particular to a method of indoor seedling growing in a hotbed for walnuts in a plateau region. The method of indoor seedling growing in the hotbed includes the steps of awaking stocks and scions, grafting in the hotbed, cooling for seedling hardening, transplanting and the like. According to the method of indoor seedling growing in the hotbed for the walnuts in the plateau region, the grafting healing cycle is short, the seedling emergence rate per unit is large and can reach 200 plants / m<2>, the grafting survival rate is high and stable, and the influence on the grafting survival rate by the vagaries of climate in the plateau region is small; the grafting cycle is long, and the method of indoor seedling growing in the hotbed can serve as one seedling growing mode for the walnuts in the plateau region.
Owner:QINGHAI UNIVERSITY

Method for predicting yield and quality of Italian Ryegrass based on plant height and tillering

InactiveCN106875059AReliable scientific guidanceQuick Science GuideForecastingComplex mathematical operationsGrowth plantAnimal Foraging
The present invention relates to a method for predicting the yield and quality of Italian Ryegrass based on plant height and tillering and belongs to the agricultural technology field. According to the method, a simple mathematical model is adopted to predict the quality of the Italian Ryegrass through the growth time, number of cutting times, plant height and tillering of the Italian Ryegrass which can be obtained easily with manual means under a cutting condition. The method includes the following steps that: a mathematical model equation is calculated; forage grass growth time is calculated and collected; plant growth data such as the number of cutting times are calculated and collected; the forage grass growth time, the number of cutting times and the like are substituted into the mathematical model equation, so that calculation can be performed, forage grass growth indexes required to be analyzed are substituted into an established binary regression model and a multiple regression model; and the nutrient quality of the Italian Ryegrass is accurately predicted through calculation, and the optimal harvest time of the Italian Ryegrass is determined. The method has the advantages of simplicity, high practicability, quickness, convenience, high accuracy, low cost and the like. The method is just slightly affected by the climate. The method is suitable for Italian Ryegrass which is grown continuously for many years, in the first year, data should be collected, and the sample model for a region is established, and in the second year, the model can be used for production and scientific research. With the method adopted, a lot of money and time can be saved for small- and medium-sized agricultural production units.
Owner:LANZHOU UNIVERSITY

Deepwater silt layer geological large-span multi-line reinforcement system and jacking culvert construction method

The invention relates to a deep water silt layer geological large-span multi-line reinforcing system and a jacking culvert construction method, and aims at providing a reinforcing system and a construction method for a high-water-level, long-jacking-stroke, large-span and high-tonnage jacking culvert to penetrate through multiple existing lines. The reinforcing system comprises a high-pressure jet grouting secant pile, a fender pile, an anti-traversing pile and a supporting pile. The jacking culvert construction method comprises the steps of starry well-point dewatering, foundation pit excavation and sliding plate fabrication, frame bridge prefabrication, line reinforcement, jacking equipment installation and process control. By adopting starry well-point dewatering, the problems of underground water burst and foundation instability during jacking are solved; since a frame bridge is integrally jacked after being prefabricated, the rigidity is high, the seismic performance is good and the influence by climate is smaller; compared with the traditional construction method, the reinforcement and the installation are convenient and easy to operate, the jacking speed is quick and the construction period is shortened; I-shaped steel, steel rails and sleepers used for engineering can be recycled; the overall economic benefits are remarkable, the practical value is greater and the application prospect is wide.
Owner:NO 1 ENG CO LTD OF CHINA RAILWAY 22ND CONSTR BUREAU +1

Slump retaining type polycarboxylic acid water reducing agent, and preparation method and application thereof

The invention discloses a slump retaining type polycarboxylic acid water reducing agent, and a preparation method and application thereof. The water reducing agent is prepared from the following raw materials in parts by weight: 27 to 35 parts of polymethylacrylic acid, 1 to 5 parts of polyepoxysuccinic acid, 7 to 15 parts of casein, 5 to 12 parts of polyethylene glycol adipate and 3 to 10 parts of calamine; the calamine is smashed; absolute ethyl alcohol is added for heat stirring treatment; the polyepoxysuccinic acid is added, and heat stirring treatment is performed; then, the casein solution is added, and heat stirring treatment is performed; the polymethacrylic acid and the polyethylene glycol adipate are added; heat treatment, ultrasonic treatment and centrifugal treatment are performed; filter liquor is taken; heat stirring treatment is performed; the water reducing agent is obtained. The water reducing agent has the advantages of high slump retaining performance, excellent dispersion performance and good adaptability; the preparation process is simple; the control is easy; the reaction period is short; no pollution exists; the energy consumption is low; a good effect is also achieved on reducing the slump loss of concrete under the condition of low mixing content; the concrete water loss and evaporation due to long-time transportation and high temperature can be reduced; the industrial production is easily realized.
Owner:江苏润天建材(集团)有限公司

Lily magnolia cuttage sapling cultivation method and foundation soil formula of lily magnolia cuttage sapling

The invention discloses a lily magnolia cuttage sapling cultivation method and a foundation soil formula of lily magnolia cuttage sapling. The lily magnolia cuttage sapling cultivation method comprises the steps: A, preparing a cultivation matrix, wherein perlite and nutrient soil with the ratio of 10:1 to 10:2 are used as foundation soil for lily magnolia cultivation; B, shearing branches of lily magnolia at least including two-leaf lily magnolia; C, performing cuttage of the lily magnolia; performing indoor cuttage on the sheared lily magnolia, wherein the cuttage depth of the cut lily magnolia is 3.5-6 cm; D, performing growth cultivation including irrigation and boric fertilizer application to leaves: irrigating cut lily magnolia seedlings by magnetized deep well water, applying boric fertilizer to the inner leaf surfaces after spraying is ended, keeping the temperature at 25-32 DEG C during fertilizer application to the leaf surfaces, and carrying out sunshade treatment. According to the method and the formula, the transplanting survival rate of the lily magnolia and the speed of seedling multiplication are increased, so that foresting is facilitated; therefore, the landscape performance is improved.
Owner:广德诚源花卉苗木种植家庭农场
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