Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

96results about How to "Solving resource constraints" patented technology

Resource allocation method and apparatus for physical uplink control channel, and base station

One embodiment of the invention discloses a method and a device for configuring a physical uplink control channel resource, and a base station. The method comprises: when ACK / NACK and SRI and unused resource amount in the resource reserved for CQI are bigger than the sum of a first preset value and a first amount, respectively reducing the first amount and a second amount for the semi-static ACK / NACK and the SRI and the resource reserved for the CQI; and when occupancy factor of the resource reserved for the semi-static ACK / NACK and the SRI is bigger than a second preset value, or the amount of the unused resource amount in the resource reserved for the CQI is smaller than or equal to a third preset value, increasing a third amount for the resource reserved for the semi-static ACK / NACK and the SRI, and increasing a fourth amount for the resource reserved for the CQI. The embodiment of the invention can reasonably configure the resource reserved for the semi-static ACK / NACK and the SRI and the CQI in PUCCH, so as to improve performance of a communication system.
Owner:HUAWEI TECH CO LTD

Planting method for conquering the continuous cropping obstacle of cured tobacco

The invention relates to a planting method for overcoming the continuous cropping problems of flue-cured tobacco. The quality of the flue-cured tobacco is improved by alternately intercropping the flue-cured tobacco and peanuts or sweet potatoes so as to improve the ratio of the medium and high rank tobacco, and both the output value per unit of land and the income of the tobacco grower are increased; and meanwhile, the flue-cured tobacco planting is integrated with the generalized agriculture production, therefore, the continuous cropping problems (such as growth inhibition, disease and insect pest epidemiology and product quality reduction, etc.) of the flue-cured tobacco are remarkably lightened, the flue-cured tobacco can be basically planted for a long term and in successive years, the problem of serious tobacco field resources in the southwest region is solved, and the sustainable production of the flue-cured tobacco is guaranteed.
Owner:SOUTHWEST UNIVERSITY

A wireless channel allocation method based on cells along the train

The invention discloses a method for distributing wireless channels based on cells along a railway. The method comprises the following steps of: registering a train identity; drawing up a railway cell list; forecasting the arrival of a train; preserving resources on a base station; withdrawing wireless resources for the base station; and logging off the train identity. In the invention, wireless channels are distributed to linear cells covered on the running route of the train according to the characteristic of fixed running direction of the train, so that the problem of wireless resource tension caused after the arrival of a highs-speed train at a certain cell is solved effectively, and the frequency spectrum utilization ratios of cells along the railway are increased.
Owner:BEIJING JIAOTONG UNIV

Variable wavelength-based hybrid optical access system

The invention discloses a variable wavelength-based hybrid optical access system, which comprises an optical line terminal (OLT) part, a remote node (RN) part and an optical network unit (ONU) part connected together through an optical fiber circuit, wherein the OLT part comprises a plurality of optical transceiver modules TRX; when an injection-locked Fabry-Perot laser diode (FP-LD) or reflection semiconductor optical amplifier (RSOA) is adopted at the transmitting end Tx of each optical transceiver module TRX, the common end of a first wave multiplexer / de-multiplexer MUX / DEMUX1 is connected with a light source SL through a wavelength division multiplexed (WDM) component and the output end of the WDM component is connected with the optical fiber circuit; or when a fixed wavelength laser or adjustable wavelength laser is used at the transmitting end Tx of the optical transceiver module, the common end of the first wave multiplexer / de-multiplexer MUX / DEMUX1 is connected with the optical fiber circuit directly. The variable wavelength-based hybrid optical access system of the invention can adapt to the network deployment of each operator so as to realize smooth updating of the network structure, solve the problems of the shortage of the optical fiber resource, the inventory cost and the maintenance cost and meet the requirements on the bandwidth and speed.
Owner:FENGHUO COMM SCI & TECH CO LTD

Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence

The invention discloses an anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence. The anti-aqueous dispersion synchronous grouting material consists of the following components in parts by weight: 100 parts of coal ash, 10-30 parts of slaked lime, 5-20 parts of cement, 10-50 parts of phosphorus gypsum, 0-200 parts of machine-made sand, 200-400 parts of shield mud and sand, 0.1-0.5 part of a water reducing agent, 0.05-0.2 part of a thickening agent and 80-120 parts of water. The shield mud and sand is used for replacing river sand and bentonite in a traditional grouting material, and the shield mud and sand and machine-made sand are taken as fine aggregates, so that the problem of resource shortage for natural sand is solved; moreover, the coal ash discharged at a power station and the phosphorus gypsum produced at a phosphorus chemical plant are reasonably utilized, so that the resource utilization of industrial waste is realized. The grouting material has the characteristics of good filling property, long castable time, large specific gravity, low consistence, anti-aqueous dispersion performance, segment floating prevention and the like, is prominent in environmental protection performance and low in cost, and can be widely applied to the shield segment grouting engineering and the like.
Owner:WUHAN MUNICIPAL CONSTR GROUP

Processing method for uplink reference signal, and base station and terminal

The invention provides a processing method for an uplink reference signal. The method comprises the following steps that: a base station receives a demodulation reference signal (DMRS) from a terminal; and the DMRS is utilized to replace a sounding reference signal (SRS) to perform a sounding function. In addition, the invention also discloses a base station and a terminal. According to a scheme provided in the invention, a problem on SRS resource constraints can be solved, thereby improving system performances.
Owner:CHINA MOBILE COMM GRP CO LTD

Unmanned aerial vehicle group cooperative safety control method based on switching topology

The invention discloses an unmanned aerial vehicle group cooperative safety control method based on switching topology. The method comprises the following steps: utilizing a time-varying switching topological graph to represent information interaction among unmanned aerial vehicle groups in each switching subsystem; considering the influence of external interference, respectively establishing thesecond-order dynamic equations of an unmanned aerial vehicle pilot and an unmanned aerial vehicle follower in the switching subsystems; designing a safety controller which simultaneously considers external interference and event triggering for tracking the motion track of the unmanned aerial vehicle pilot and keeping the formation among the unmanned aerial vehicle groups of followers; and establishing the equation of an unmanned aerial vehicle group error system under the switching subsystems to obtain the stability condition of unmanned aerial vehicle group error system, and inhibiting external interference by utilizing an H infinite method. The method solves the problems of information interaction, data redundancy and external interference under different formations in unmanned aerial vehicle formation.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Software internationalization processing method, device and system

InactiveCN106940646AOptimize internationalization processingEasy maintenanceNatural language translationBootstrappingSoftware engineeringClient-side
The invention relates to the technical field of computers, in particular to a software internationalization processing method, device and system, and aims to improve the problem that software internationalization processing is difficult to maintain in the prior art. By taking translation data of prompt copywritings corresponding to all items as multiple translation items and storing the translation data into a translation management server, the translation management server or a translation proxy server can return a translation request sent in allusion to a client and return the translation data to the client, so that the aim of translating the prompt copywritings in the items running in the client into a required language in real time is fulfilled, and the software internationalization processing is effectively optimized. Furthermore, according to the software internationalization processing method, the translation data of the prompt copywritings involved in the items are separated from codes; when the translation data of the prompt copywritings need to be updated, software packages do not need to be processed, so that a developer can maintain the software packages conveniently.
Owner:MICRO DREAM TECHTRONIC NETWORK TECH CHINACO

Movable infusion support used in cardiovascular surgical department

ActiveCN104971394AEasy to check outHigh activityInfusion devicesEngineeringBottle
The invention provides a movable infusion support used in the cardiovascular surgical department. The movable infusion support comprises an infusion bottle clamping device, a telescopic rod, a fixing rod and a base, wherein a height-adjustable armrest and a hook are arranged on the fixing rod, a guide groove and a plurality of sunken grooves opposite to the guide groove are formed in the surface of the telescopic rod in a concave mode, bolts of a micro-injection pump are matched with the guide groove and the sunken grooves and are clamped on the telescopic rod, and the infusion bottle clamping device is provided with upper elastic clamps and lower elastic clamps which are different in size and are used for clamping infusion bottles. The movable infusion support is simple in structure and good in stability, integrates multiple functions and can be freely moved. For a patient, the movable infusion support brings convenience to the patient to early get out of a bed for activities. For a nursing worker, the movable infusion support is convenient to operate, nursing safety is ensured, and the amount of nursing work is reduced.
Owner:陕西智宇寰宸医疗器械有限公司

Discrete Fourier transform equipment of ADSL system

The invention provides a fourier transformation apparatus in the ADSL system that can be used for the modems of 256 communication channels, Being capable of accomplishing the 512 point DFT (I-DFT AND F-DFT) processing, the apparatus comprises a double port RAM, rotational factor module, sequential control module, read-write address producing module and butterfly-type calculation module. After the data preparation of the front level input double port RAM is ready, the sequential control module starts the read-write address producing module to begin to read-write data and the rotational factor, the butterfly-type calculation module performs the butterfly-type computation according to data and the rotational factor, the immediate data is stored in the double port RAM. The invention solves the problem of insufficient hardware resources, nearly 50% of operand can be saved
Owner:南通国邦科技发展有限公司

Real-time-digital-simulator-based modular multi-level converter bridge arm modeling method

The invention, which belongs to the technical field of power system operation and control, relates to a real-time-digital-simulator-based modular multi-level converter bridge arm modeling method. A bridge arm hybrid model is established for a bridge arm of a modular multi-level converter (MMC), a simplified equivalent model is established by L special sub modules in the bridge arm, and a detailedequivalent model is established by M common sub modules; modeling of fault states of all devices in the detailed and equivalent sub modules is carried out, so that the model is able to simulate internal faults of the sub modules; and then a fault node is added in the bridge arm model and thus the model is able to simulate a bridge arm fault. Therefore, a problem of resource limitation of modular multi-level converter system simulation by the real-time digital simulator in a GPC / PB5 environment is solved, so that the model can be applied to high-level MMC system simulation; and internal fault simulation of various converters can be completed, so that the study of the MMC protection control strategy is realized well.
Owner:POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD +1

ESB (Enterprise Service Bus) framework based resource perception adaptive system

The invention provides an ESB framework based resource perception adaptive system. The system comprises a short-range mobile P2P network, universal internet and private cloud. The system is provided with a cloud service host. The cloud service host is provided with: a request processing module, used for, when a client submits a request, processing the request, selecting a corresponding workflow mode and transmitting the selected workflow mode to a workflow engine module; the workflow engine module, used for executing task workflow in the selected workflow mode through message route control; and a prefetching module, used for performing prefetching according to prediction. The invention furthermore provides a policy for performing anticipation according to a context and a workflow model selection policy, so that a user preference prediction scheme can be perceived by utilizing the context, the waiting time is shortened, and dynamic adjustment is supported by utilizing a workflow mechanism of resource consciousness.
Owner:HUBEI UNIV OF TECH

Method using spent grains of white liquor for preparing active carbon

The invention discloses a method using spent grains of white liquor for preparing active carbon. Firstly, directly boiling the spent grains of the white liquor and NaOH solution together to remove silicon; and then taking the zinc chloride as an activating agent, and obtaining the finished product of active carbon through the work procedures of carbonization and activation, acid pickling, water scrubbing, filtration, drying, grinding and the like. According to the invention, the spent grains are used as a raw material to prepare the active carbon, which effectively recycles and utilizes the waste resources, increases the integrated development and the utilization ratio of the resources and provides a new way for the circulation, resourcfulization, scale production, industrialization and product profit improvement of the resources.
Owner:ANHUI GUJING DISTILLERY

S-band satellite communication terminal for offshore mobile platform

ActiveCN111010224ASolving resource constraintsBreakthrough in Maritime Satellite Signal Tracking TechnologyRadiating element housingsRadio transmissionTrunkingWave band
The invention discloses an S-band satellite communication terminal for an offshore mobile platform. The S-band satellite communication terminal comprises a parabolic antenna, a servo tracking device and an S-band satellite relay communication machine, the parabolic antenna is located at the top of the servo tracking module, and the parabolic antenna and the servo tracking module are electrically connected to the S-band satellite relay communication machine; the parabolic antenna is used for receiving a satellite forward electric wave signal and radiating a backward electric wave signal to thespace; the servo tracking device is used for calculating the pointing directions of the platform and the satellite, correcting the pointing directions by utilizing the received signal strength value,and controlling the parabolic antenna to point to the satellite according to the corrected pointing directions; the S-band satellite relay communication machine is used for realizing two-way communication between the terminal and the relay satellite and outputting shore-based instruction information to the offshore mobile platform; and performing feedback of the received signal intensity value tothe servo tracking device in real time. The satellite communication terminal is small in size, weight and power consumption, and meets the application requirements of offshore buoys with the diameteras small as 1 m.
Owner:NAT SPACE SCI CENT CAS

Test server, test client, test system, and test method

The invention relates to the field of test, and discloses a test server, a test client, a test system, and a test method. The test server comprises a distribution module used to distribute test cases to run to a plurality of test clients, and an operation data recovery module used to receive operation data of distributed test cases operated in the plurality of test clients from the plurality of test clients. The test server, the test client, the test system, and the test method improve efficiency of automated testing, and solve a problem of entity mobile phone resource shortage.
Owner:LETV INFORMATION TECH BEIJING

Benzalkonium chloride monomer synthesis technology

The invention relates to the technical field of fine chemicals, and more specifically relates to a benzalkonium chloride monomer synthesis technology. The synthesis technology comprises the following steps: (1) according to a formula, weighing fatty alkyl dimethyl tertiary amines, benzyl chloride, and ethyl acetate; (2) adding ethyl acetate into a glass lined reactor, pumping fatty alkyl dimethyl tertiary amines and benzyl chloride into a head tank, starting the stirring device of the reactor, dropwise adding fatty alkyl dimethyl tertiary amines and benzyl chloride into the reactor at a room temperature according to a same ratio; (3) heating the reactor to a temperature of 70 to 100 DEG C, and maintaining the temperature to carry out reactions for 7 to 10 hours; (4) starting circulating cooling water to cool the products to the room temperature until crystals are precipitated completely; (5) taking out the crystals, subjecting the crystals to vacuum suction filtration, during the suction filtration process, washing the crystals by ethyl acetate for 2 to 5 times, and saving the filter cakes; and (6) adding ethyl acetate into the filter cakes, carrying out re-crystallization, and after the crystals are completely precipitated, drying the crystals. The production cost is low and the purity of prepared benzalkonium chloride is high.
Owner:广东洛斯特制药有限公司

Novel fiber-reinforced alkali-activated slag concrete material and preparation method thereof

The invention discloses a fiber-reinforced alkali-activated slag concrete material and a preparation method thereof. The concrete material is composed of slag, sodium hydroxide, water glass, sand, gravel, coal gangue, water, a water reducer and basalt fibers. The concrete material is prepared from the following components in parts by mass: 414 parts of slag, 29 parts of sodium hydroxide, 138 partsof water glass, 515 parts of sand, 717 parts of broken stone, 239 parts of coal gangue, 166 parts of water, 8 parts of a water reducer and 13.3 parts of basalt fibers. The basalt fibers are well bonded with a concrete matrix, and the tensile strength and the crack resistance of the concrete material are remarkably improved and are higher than those of common concrete. The fibers can reduce concrete shrinkage and inhibit crack development in the concrete, when the concrete is subjected to external load, the load can be uniformly transferred, the internal stress concentration is avoided, the destroy on concrete is prevented, and the overall strength of the concrete can be greatly improved.
Owner:LIAONING TECHNICAL UNIVERSITY

Method of realizing series monitoring terminal treatment in network communication and its device

This invention refers to a method for obtaining series connected monitor terminal process in network communication and apparatus thereof. Said invention makes unified design to series connected monitor terminal process that is in turn scanning effective mark of every channel and processing data parameter of each channel according to said effective mark, then storing the processing result in one RAM, said RAM adopts horizontal structure to make one group of data in one channel storing in one row of horizontal RAM, solving the problem of resource shortage in TCM-SINK design and raising accessing efficiency.
Owner:吴宏旗

Session management method and device

The invention provides a session management method and device, relates to the field of Internet, and aims to solve the problem of short firewall session number resources. The method comprises the following steps: establishing a unique transmission control protocol (TCP) session for each DNS (Domain Name System) client; receiving a DNS inquiry request carried in a user datagram protocol (UDP) session; and confirming a TCP session of the DNS client corresponding to the UDP session, and forwarding the DNS inquiry request to a DNS server through the TCP session. The technical scheme provided by the invention is suitable for a DNS inquiry process, and a plurality of UDP sessions are converged into one TCP session on a firewall.
Owner:ZTE CORP

Masonry mortar made from mine tailings

The invention belongs to the technical field of building materials, in particular to a masonry mortar made from tailings. It is characterized in that the production of masonry mortar made of tailings that meets M2.5-M10 has the following proportions by weight: 100-245 parts of Portland cement, 1270 parts of tailings, 234-56 parts of lime paste, and 1 part of water reducing agent. -1.36 parts, water 277 parts. The present invention uses tailings with a particle size of 0.15-0.3 mm, which is obtained by grading through screening equipment in the gravity separation and magnetic separation processes, and its purpose is to avoid the incorporation of harmful components and the fluidity of the mortar with too fine tailings particle size, which cannot construction. Its production cost is about 20 yuan per cubic meter, about 60 yuan can be saved per cubic meter, and the annual benefit is about 180 million yuan. In addition, the replacement of river sand with tailings can also reduce the discharge of mine tailings, extend the service life of tailings ponds, reduce the damage to natural rivers caused by the mining of river sand, and ultimately achieve the purpose of less rural land occupation and environmental protection.
Owner:ANSTEEL GRP MINING CO LTD

Sand-washing technique of slate flour

The invention relates to a process for sand washing with stone dust. The invention is characterized in that the process for sand washing with stone dust comprises the following steps: (1) performing filtering and water scrubbing to separate out fine sand, soil particles and water; (2) sending the separated rough sand into a crusher for crush with water; (3) separating the sand, soil particles and water which are recrushed, refiltered and rescrubbed and the mixture of the sand, soil particles and water which are crushed, refiltered and scrubbed at the first time; (4) separating the mixture of sand, soil particles and water and then obtaining the finished sand and the finished soil particles which can be used to improve soil, wherein the water can be recycled for use. The invention performs three-waste treatment and processing to the waste stone dust generated during the production in a quarry, uses the stone dust which contains dust, fine sand and rough sand in the quarry as the raw materials to produce the building sand, thereby not only saving the problem concerning the shortage of the natural fine aggregate resource, but also being favorable for the environment protection in a aggregate production place and reducing the stacking place of the quarry waste and the environmental pollution.
Owner:刘庆凯

Plastering mortar replacing river sand by using tailing

InactiveCN101967051AGood fluidity and durabilityInhibition of volume shrinkageSolid waste managementRiver sandBuilding material
The invention relates to a building material, in particular to plastering mortar replacing river sand by using a tailing. 100 to 150 parts of portland cement, 100 to 150 parts of tailing with the particle size of between 0.15 and 0.28 millimeter, 1 to 1.5 parts of water reducing agent and 50 to 75 parts of water are stirred and mixed by a stirrer according to a certain volume ratio so as to prepare ready mixed mortar or dry mortar which serves as floor plastering mortar, wall surface plastering mortar, masonry mortar and the like. The plastering mortar has the advantage that: the tailing can be reasonably mixed with cement, macadam, the water reducing agent and the water, so that the tailing has a uniform structure in the mortar and volume shrinkage such as chemical shrinkage, dry shrinkage and the like generated in a set cement hardening process can be restrained and reduced simultaneously. Therefore, a produced mortar admixture has high liquidity and durability, volume shrinkage generated in the set cement hardening process can be restrained and reduced effectively and the mortar is prevented from cracking, so that the high value-added resource utilization of the tailing is realized.
Owner:ANSTEEL GRP MINING CO LTD

Improved H.264 compressed encoding method for video file under limited bandwidth and emission rate condition

The invention discloses an improved H.264 compressed encoding method for a video file under the limited bandwidth and transmission rate condition, and relates to the field of digital image processing. The improved H.264 compressed encoding method aims at solving the problem that adaptive network resources of a video downloading transmission method in an existing wireless mobile communication network are limited, and the high-speed and high-definition transmission requirement is met. The improved H.264 compressed encoding method includes the steps that in the initial phase, each frame of image is compressed in advance, characteristics of the images in different directions are extracted through plural wavelet transformation, and meanwhile information redundancies are reduced; in the inter-frame prediction phase, according to the directive characteristics obtained through the wavelet transformation, the spatial correlation between inter-frame images is judged, the complexity and the dimensionality of motion vector calculation are reduced, and a P frame and a B frame are obtained; in the intra-frame prediction phase, detail characteristics are eliminated, prediction and integer cosine transformation are only carried out on the overall characteristics, and an I frame is obtained. The improved H.264 compressed encoding method is suitable for improved H.264 compressed encoding on the video file under the limited bandwidth and transmission rate condition.
Owner:HARBIN INST OF TECH

Image acquisition method and device for simulating crowded scene and visual processing method

The embodiment of the invention provides an image acquisition method and device for simulating a crowded scene and a visual processing method, and the method comprises the steps: carrying out the enhancement of a target scene image according to a preset rule, and then sequentially carrying out cutting, splicing and overlapping on all enhanced images according to corresponding cutting, splicing andoverlapping rules, so that an aliasing image containing the information of the target object is used as a simulation image for simulating a crowded scene. According to the technical scheme, the problem that the number of actual sample images is limited during model training in various visual application scenes is well solved, especially for a crowded scene in which information of a target objectis shielded; in addition, the simulation image obtained through the method can be compatible with the context information of the global scene image and the local information of the target object in the scene image, so that the model training quality and the like can be well ensured.
Owner:UBTECH ROBOTICS CORP LTD

Flow-regime concrete mix with tailings in place of river sand

InactiveCN101967050ASolve the shortage of river sand resourcesGood fluidity and durabilitySolid waste managementRiver sandPortland cement
The invention relates to a flow-regime concrete mix with tailings in place of river sand. The concrete mix is characterized by comprising the following components in part by weight according to a production formula: 100 to 150 parts of portland cement, 220 to 330 parts of gravel, 156 to 234 parts of tailings, 1 to 1.5 parts of water reducing agent and 50 to 75 parts of water. The concrete mix has the advantages that: because the tailings can be reasonably mixed with the cement, the gravel, the water reducing agent and the water and stirred and mixed by a stirrer, the concrete mix for pouring various buildings, construction beams, plates, columns, foundations, pavements and the like can be manufactured; and the mix concrete has a uniform structure, so that the volume shrinkage, such as chemical shrinkage, drying shrinkage and the like, produced during hardening of set cement can be suppressed and reduced. Thus the produced concrete mix has high fluidity and durability, can effectively suppress and reduce the volume shrinkage produced during the hardening of the set cement and prevent the concrete from cracking, so that the high-added-value resource utilization of the tailings can be realized.
Owner:ANSTEEL GRP MINING CO LTD

Pre-filled injector

The invention belongs to the technical field of injectors and discloses a pre-filled injector. The pre-filled injector comprises a tubing cap, a needle tubing, a handle, a push bar and a piston, the front end of the handle is provided with an inner thread, an outer thread is arranged in the needle tubing and close to the handle end, the handle and the needle tubing are assembled rotatably in a threaded manner, the front end of the needle tubing is provided with an outer thread, the tubing cap is provided with an inner thread, the tubing cap and the needle tubing are assembled rotatably in a threaded manner, the outer diameter of the push bar is matched in size with the inner diameter of the handle, and the outer diameter of the piston is matched in size with the inner diameter of the needle tubing; during assembly, the push bar penetrates the handle to be assembled with the piston, the assembled handle is in threaded connection with the needle tubing, and assembly is locked to form a retaining structure. A filling machine is characterized in that a certain amount of liquid medicine is injected to the injector from the top end of the needle tubing, the tubing cap and the needle tubing are rotatably assembled in a threaded manner and locked hermetically, and then the injector is sent to a sterilization bin for steam sterilization for 30 minutes at a high temperature of 121DEG C.
Owner:石家庄鑫富达医药包装有限公司

Pre-filled high-temperature sterilization syringe

The invention belongs to the technical field of syringes, in particular suitable for a drug injection mode for animals, and discloses a pre-filled high-temperature sterilization syringe. The pre-filled high-temperature sterilization syringe comprises a tube cap, a needle tube, a push rod and a piston, wherein the part, near the handle end of the needle tube, of the needle tube is provided with a stop ring, and the front end of the needle tube is provided with an external thread; the tube cap is provided with an internal thread, and the tube cap and the needle tube are assembled through rotation of the threads; the outer diameter of the push rod is matched with the inner diameter of a handle, and the outer diameter of the piston and the inner diameter of the needle tube are in an interference fit for sealing; the stop ring is welded to the part, near the handle end of the needle tube, of the needle tube, and during assembly, the push rod runs through the inner hole of the handle and assembled with the piston so as to form a locking structure after assembly. According to the pre-filled high-temperature sterilization syringe, a filling machine is used to inject a certain amount of drug liquid through the top of the needle tube of the syringe, the tube cap and the needle tube are assembled through rotation of the threads so that sealing and locking can be achieved, and the syringe is delivered into a sterilization chamber for steam sterilization at a high temperature of 121 DEG C for 30 minutes.
Owner:石家庄鑫富达医药包装有限公司

Lubricating oil biological base oil and preparation method thereof

The invention discloses lubricating oil biological base oil and a preparation method thereof. The lubricating oil biological base oil comprises the following components: 30-55 parts of plant base oil,1.5-2.2 parts of trimethylchlorosilane, 15-25 parts of toluene, 3.2-3.8 parts of acetic acid, 4-6 parts of anhydrous ether, 3.9-4.5 parts of hydrogen peroxide, 1.5-2 parts of triethylamine and 3-5 parts of a catalyst. An environmentally friendly plant oil raw material replaces a petroleum-based raw material to prepare the biological environmentally friendly lubricating oil, raw material reagent resources are abundant, environmental pollution is small, the problem that petroleum resources at the present stage is in shortage can be solved, meanwhile, the requirement for environmental protectionis met, according to the prepared biological lubricating oil base oil, organosilicone is used for modifying vegetable oil, after modification, the oxidation stability and lubricating property of thevegetable oil are improved obviously, an oil product derived from the vegetable oil has good biological degradability, and compared with mineral oil, the lubricating oil biological base oil is more environmentally friendly.
Owner:SHANDONG YUANGEN PETROLEUM CHEM

Method and system for debugging automatic testing script and agent device

The invention provides a method and system for debugging an automatic testing script and an agent device. The method comprises the steps of: obtaining a command executing result from a script executing server; obtaining a data structure of a function from a function base; and carrying out error check on the command of the testing script and the function call according to the obtained command executing result and the data structure of the function. The system comprises an agent device, an information storage module, a script executing server, a function library and a script debugging module. The invention realizes that the automatic testing script can be debugged without using a device to be tested and a testing instrument, thereby solving the problem of resource shortage of the device to be tested and the testing instrument.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD

Fly Ash Fluid Concrete Made from Tailings

The invention belongs to the technical field of building materials, and in particular relates to a fly ash fluid concrete made from tailings. The proportion by weight of the tailings fly ash fluid concrete meeting the requirements for the production of C20-C35 concrete is as follows: Portland cement 100-137 parts, 273-261 parts of gravel, 163-153 parts of tailings, 34-29 parts of fly ash, 1-1.5 parts of pumping agent, 58-49 parts of water. Tailings particle size is 0.15-0.3 mm. The pumping agent is an improved NST-5, JZ-1 or LF-5 high-efficiency pumping agent. According to the production process of fluid concrete, C20 fly ash fluid concrete is produced. The cost of using tailings to replace river sand is about 20 yuan, and it can save about 60 yuan per cubic meter. Based on the replacement ratio of 100%, the annual benefit is about 360 million yuan. In addition, the replacement of river sand with tailings can also reduce the discharge of mine tailings, extend the service life of tailings ponds, reduce the damage to natural rivers caused by river sand mining, and ultimately achieve the purpose of less rural land occupation and environmental protection.
Owner:ANSTEEL GRP MINING CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products