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45 results about "Technique development" patented technology

Digitel code manufacturing method jacquard weave double surface beautiful and glorious

The invention belongs to silk weaving picture-scenery technique development field, especially relates to a digital pattern two side beautiful brocade manufacturing method. The method includes the following steps: scanning, changing, color separating to set color bank; adding up crossing point according to electron lag; doing knitted texture design and confirming crunode position; inputting electron lag into loom control system. Materials drawing of the invention are very wide. And the product can satisfy consumerí»s individuation demand.
Owner:韩容

A2/O+A/O technique wastewater biological denitrification phosphorous removal process and its device

The invention pertains to a field of the technique development of sewage treatment system. The invention is designed to solve the problem of instability and low standard-reaching rate of biological denitrification and phosphorus removal technic A2 / O. The problem is caused by the competition of carbon source. The invention is based on the theory of dephosphorization and denitrification by denitrification and reasonably takes the advantage of the idea that intake carbon sources can be used instead of additional carbon sources to improve denitrification rate. The invention is designed to update the technic A2 / O to the technic (A2 / O+A / O) of anaerobia-anoxia 1-aerobic 2-anoxia 2-aerobic 2, and the invention can also optimize the nutrient removal ability of the technic (A2 / O+A / O) by starting the switches of aeration and stirring and side-flow pump in anoxia 2 zone according to different quality and quantity of intake water. The invention can also fully exert the denitrification phosphorus removal performance and effectively use the intake carbon source within the technic (A2 / O+A / O), can effectively improve water quality, evidently reduces operation cost and reforms operation status. The invention is applicable to urban sewage treatment which demands on a nutritive matter emission standard.
Owner:BEIJING UNIV OF TECH

Method for breeding crabs in paddy field utilizing ecology regulation and control

A method for rearing crab by ecological regulation belongs to the kind of ecological rearing in paddy field. With the technique development of paddy field comprehensive utilization, rearing crabs in paddy field has been public against that traditional method of production takes damage of chemical pollution on the field and crabs while can not meet the demand for green food. Based at the aim aforementioned, said invention fertilizes 50 % at the base of field and fresh water into field to cultivate crabs supported by plants and animals in water with additional bait, and whose excrement can be use as organic fertilizer for field. The invention performs no damage on the fields in the full process from cultivation period to capture period by adjusting the density of crabs, and performs harvest of paddy with high production of crabs.
Owner:PANJIN GUANGHE CRAB IND

High-speed rail smoothness detection system and method based on satellite positioning and inertial navigation.

The invention relates to the field of high-speed rail smoothness detection and in particular to a high-speed rail smoothness detection system and method based on satellite positioning and inertial navigation. The system and method can obtain high-precision external geometric parameters of a rail by arranging the GT-CORS base station network by establishing a GNSS reference station on the CPII. Through a gauge detection device, a sleeper identification device, an odometer on a rail detection vehicle and in combination with the acquisition of the accurate coordinate results of three GNSS antennas, the rail parameters can be calculated to guide the precise rail adjustment. Large-scale satellite positioning monitoring point networking method millimeter-level joint solution and three-antenna GNSS rail inspection equipment short baseline fast and millimeter-level solution method achieves precision of plane 1 to 2mm and an elevation measurement error of + / - 2.5mm. The method avoids the dependence on CPIII, increases rail detection speed from the original 100m / h to 1000m / h d, greatly improves the detection efficiency of the external parameters of the rail, significantly reduces economic cost, and has broad technical development and application prospects.
Owner:山东北斗华宸导航技术股份有限公司 +1

Preparation method of low thermal resistance thermal interface

The invention provides a preparation method of low thermal resistance thermal interface. Firstly a vertically aligned carbon nano tube (VACNT) is prepared on a substrate, then the VACNT is modified and magnetized, and then contact probability between the VACNT and a target substrate is improved by magnetic aiming, and finally bonding between the VACNT and the target substrate is realized by bonding technology. Owing to the combined action of magnetic force and pressure, conformal contact is formed between the VACNT and the target substrate, thus effectively reducing interface contact thermal resistance. The invention solves the difficult problem that the VACNT is directly used as thermal interface material, provides a new way for research and development of nano encapsulation and interconnection and low thermal resistance encapsulation technology, and promotes the research of optoelectronic integration technology and the research and development of power devices.
Owner:HUAZHONG UNIV OF SCI & TECH

Preparing method for synthesizing shape-controlled anisotropic particles through emulsion polymerization based on asymmetry monomer-swelling non-crosslinking seed particles

InactiveCN105622852APolymer scienceMicroparticle
The invention relates to a preparing method for synthesizing shape-controlled anisotropic particle through emulsion polymerization based on asymmetry monomer-swelling non-crosslinking seed particles. Non-crosslinking monodisperse polymer particles are used as a seed particle, protruded asymmetry monomer-swelling particle with liquid attached to the surface are obtained through an improved dual swelling polymerizing technique, and the shape-controlled anisotropic particles can be obtained through emulsion polymerization based on the asymmetry monomer-swelling particles. The prepared anisotropic particles have wide application value in the fields of light reflection, self assembling, catalyst carrier immobilization and biological macromolecule immobilization. Furthermore, the preparing method has an improving effect on both theory and technique of seed polymerization.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Contact Probe And Socket For Testing Semiconductor Chips

A contact probe and a socket for testing semiconductor chips are provided with a simple structure, so that they can be easily manufactured, and can reduce a signal path not only to improve test reliability but also remarkably reduce the dimensions of test equipment. The contact probe comprises: a nonconductive elastic plate having main through-holes corresponding to contact terminals of a test target; plungers coupled on upper sides of the main through-holes, each having a plunger head that is elastically supported by the elastic plate and a plunger body that extends downwards from the center of the plunger head; and contact pins coupled on lower sides of the main through-holes, each having a receiving hole contacting the plunger body of each plunger at a center thereof. Thus, the contact probe employs a simple structure capable of coupling the plungers to the nonconductive elastic plate and elastically supporting the plungers, so that they can be easily manufactured, improve the signal pass of test electric current to secure test reliability, and be manufactured at a subminiature size suitable for equipment for testing semiconductor chips, which are gradually becoming complicated due to technical development.
Owner:LEENO IND INC

Tension equipment of continuous mill system

The invention involves a tension device of tandem rolling system. It includes two guide rollers guiding rolling pieces move, floating roller is equipped between said two guide rollers and supports rolling pieces with constant force and makes the rolling pieces stretching force constant through moving up and down, the rolling pieces between said floating roller and said two guide rollers is vertical. Said floating roller can be connected with a hydraulic means which has constant support force, also can be connected with a counterweight body with constant stretching force through hanger rope. The invention proposes a technology program which ensures rolling pieces stretching force constant in rolling plant through changing storage rolling pieces length in rolling mill plant, has characteristics of simple structure, separately adjustment, fast dynamic response and high control precision, etc, it effectively solves the enormous puzzle and technical difficulty stopping tandem rolling technique development for years and years.
Owner:郑红专 +1

Antibody library of bacteriophages and applications in immunoassay of pesticide residue

The invention relates to a phage antibody library which assembles an ScFv gene fragment between Restriction Enzyme cutting sites of SfiI and NotI of a pCANTAB5E carrier. The phage antibody library is characterized in that the ScFv gene fragment can be affinitive and enriched with antigens of 16-membered macrolide agricultural chemicals to form a soluble single-chain antibody and the phage antibody library is applied to immunoassay of pesticide residue. The phage antibody library has the advantages that the antibody with high affinity can be obtained without animal immunization, the test period is short, the antibody library is the phage antibody library which takes small molecular milbemycin oxime of a 16-membered macrolide generic structure as immunogen to construct, the antibody library theoretically can directly obtain a specific antibody library of 16-membered macrolide compound through screening, the screening flux is high, the efficiency is high, the specificity is strong, and the affinity selecting range is wide, so that the phage antibody library has wide application prospect in the aspects such as agricultural chemical antibody preparation, testing technique development and the like.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Preparation method of coal ash modified nanometer aluminum oxide/polyimide composite film

The invention discloses a preparation method of a coal ash modified nanometer aluminum oxide / polyimide composite film. The preparation method can be used for preparing the nanometer aluminum oxide hybrid polyimide film by utilizing nanometer aluminum oxide sol, so that corona-resistant characteristics and dielectric performances of the polyimide film can be remarkably improved, and the corona-resistant service life of the nanometer aluminum oxide hybrid polyimide film is 8-9 times that of the pure polyimide film. The preparation method further can be used for improving and overcoming the defects of the pure polyimide film, remarkably improving the mechanical strength, the hardness, the abrasion performance and thermal decomposition temperature of the pure polyimide film, so that the comprehensive performances of the pure polyimide film are improved. Moreover, the novel polyimide nanometer composite film prepared by the preparation method disclosed by the invention has the characteristics of being high temperature resistance, good in mechanical performances, excellent in electrical performances, easy to machine and form, low in cost and the like, so that the development requirements of high and new technologies including the aerospace technology, the micro-electronics technology, the electrical technology, the chemical technology, the energy technology and the like can be completely satisfied.
Owner:安徽朝日电子新能源有限公司

Patent technology evolution analysis method and system

The invention discloses a patent technology evolution analysis method and a patent technology evolution analysis system. The patent technology evolution analysis method comprises the following steps: S1, collecting patent data; S2, extracting patent information; S3, automatically partitioning technology development stages; S4, implementing technology evolution analysis; S5, implementing technology development tendency prediction. According to the patent technology evolution analysis method and the patent technology evolution analysis system, key information of patent information such as patent abstracts and application dates is extracted and used as a sample vectors of an ordered cluster, and the development stages of technology can be automatically partitioned by using an ordered cluster method objectively; the dynamic evolution process of the technology can be demonstrated, that is, the process of generation, development, upsurge till extinction of the technology; technology development tendency prediction is beneficial to implementation of technical strategic planning. The public can relatively conveniently and visibly understand the development process and the future tendency of the technology.
Owner:DALIAN UNIV OF TECH

Continuous loading vickers

InactiveCN1693875AContinuous loading implementationInvestigating material hardnessEngineeringMechanical engineering
The invention is a kind of continuously loading dimension vickers. It includes a press head which keeps contact with the sample, and an optical system which is used for measuring the dint value under a strength or examining whether there is a crack and what its size is. The invention has one characteristic: a rise and fall flat roof is fixed in response to the press head. Moreover, the invention has some advantages for its realizing continuously loading and satisfying the modern science technique development's new request for dimension vickers.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

U-shaped straight line servo motor

The invention relates to a U shape linear servo motor comprising a stator, a mover, an installed platform and a coil winding. The stator comprises magnetic steels and a U shape base; the coil winding is inserted in the mover with the upper end connecting to the installed platform fixedly connected with a linear guideway while the other end clamped between the magnetic steels and forming an air gap with the magnetic steel. One group of the magnetic steels is formed by a monomer magnetic pole with an N pole and an S pole. Multiple groups of magnetic steels are symmetrically and parallelly arranged on both sides of the U shape base and U shape cavity along the mover axes and the magnetic polarity of the magnetic steels at the adjacent position is reverse. The linear servo motor has advantages of simple structure, good rigidity of the mover structure and high frequency stability, good heat dissipation performance of the whole machine and high unit power density, effectively weakens the motor cogging reluctance, improves the thrust stability during the whole machine running, solves the difficult problem puzzling the linear motor control technique development for a long time, realizes industrial production and effectively expands the application field of the linear motor.
Owner:长沙一派直驱科技股份有限公司

System and method for action payment

This invention relates to one movable payment mechanism, which provides service onto movable device for all trade type by network payment mechanism, wherein along with information technique development, people tends to use some novel types to buy any product and services; most service producer only provide cash or credit card payment which will not satisfy the current market needs.
Owner:郑福烱

Method and device for detecting heavy metal content in soil based on sample box method

InactiveCN104062255ARealize contactlessNondestructive Security TestingMaterial analysis by optical meansSoil scienceSoil heavy metals
The invention discloses a method and device for detecting heavy metal content in soil based on a sample box method, and relates to the technical field of agriculture and environment detection. The method comprises the following steps: acquiring a soil sample of which the heavy metal content does not exceed the standard, pretreating to prepare a standard soil sample, putting the standard soil sample into a sample box, acquiring a terahertz pulse time-domain waveform of the standard soil sample, establishing a fingerprint spectrum bank, and comparing a terahertz spectrum of the soil sample to be tested after the pretreatment with the fingerprint spectrum bank of the standard soil sample, thereby acquiring the heavy metal data of the soil sample to be tested. By adopting the method and the device, heavy metal pollution qualitative and quantitative detection on the soil sample acquired in fields can be efficiently, rapidly, nondestructively and safely performed, and theory and method basis are provided for application of terahertz spectrum technique to detection on important physical and chemical parameters of agricultural soil and application technique development and study.
Owner:BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI

Method for Chinese patent drug fast qualitative analysis utilizing acousto-optic filter near infrared spectral technique

InactiveCN101021470ASolve the problems of chemical pretreatment and complicated operationSimple and fast operationColor/spectral properties measurementsTesting medicinal preparationsInfraredAcousto-optics
A method uses acousto-optic adjustable filter near infrared (AOTF-NIR) spectrum technique in quick qualitative analysis of proprietary Chinese medicine. Near infrared spectrum containing rich information of medicine is achieved by AOTF-NIR spectrum technique and computer etc. Collects NIR spectrum of correcting set samples by AOTF near infrared spectrometer and builds qualitative analysis model by principle component analysis (PCA) to analyze. Base on the invention, quick qualitative analysis for other proprietary Chinese medicine and on-line monitoring method in key segments of proprietary Chinese medicine production are realized, which advances research technique development of proprietary Chinese medicine.
Owner:山东医学高等专科学校

Rotary type test tube rack for biological technique development

The invention discloses a rotary type test tube rack for biological technique development. The rotary type test tube rack comprises a base, a middle shaft, a pipe clamp, a pipe cylinder and an upper cover, wherein a base plate is horizontally arranged at the bottom, the base plate externally has the shape of a round plate body, a seat shaft vertically fixed at the base plate is welded to the axiscenter of the base plate, a lower hole is formed in the top of the seat shaft, and a middle shaft is mounted on the seat shaft; a rotating shaft is of a tubular structure, an upper hole is formed in the rotating shaft, lower threads are formed in the bottom of the rotating shaft, a blocking ring is remained at the outer part of the rotating shaft on the upper sides of the lower threads, the rotating shaft is externally sleeved with the pipe clamp, an inner ring is located at the middle shaft in the pipe clamp, a plurality of connecting rods are arranged outside the pipe clamp, and the top endsof the connecting rods are lantern rings; middle rings are respectively welded to two ends of a vertical rod, and the upper cover covers the upper part of the pipe cylinder; and a handle is welded tothe upper part of a horizontal part on the top, an upper bolt is welded to the axis center of the lower surface of the horizontal part of the top, and an opening is formed in the side surface of theshell and is just suitable for being penetrated by a test tube. The rotary type test tube rack is convenient to use and flexible to move and can be universally popularized and used.
Owner:广东一氪生物技术股份有限公司

Method for Chinese patent drug fast quantitative analysis by acousto-optic filter near infrared spectral technique

A method uses acousto-optic adjustable filter near infrared (AOTF-NIR) spectrum technique in quick qualitative analysis of proprietary Chinese medicine. Near infrared spectrum is combined with medicine informatics by AOTF-NIR spectrum technique and computer etc. NIR spectrum of correcting set samples is collected by AOTF near infrared spectrometer. Physical and chemical data of sample parameters is determined by conventional chemical analyzing apparatus. Based on function relationship formed between them, these spectrum data and parameters are associated by mathematics. Quantitative model is built by least-squares procedure (LSP) to analyze. Based on the invention, quick qualitative analysis for other proprietary Chinese medicine and on-line monitoring method in key segments of proprietary Chinese medicine production are realized, which advances research technique development of proprietary Chinese medicine.
Owner:山东医学高等专科学校

Ultralow power consumption differential structure nonvolatile memory compatible with standard CMOS (Complementary Metal-Oxide-Semiconductor Transistor) process

The invention discloses an ultralow power consumption differential structure nonvolatile memory compatible with standard CMOS (Complementary Metal-Oxide-Semiconductor Transistor) process, which aims at solving the problem of the incapability of compatibility with the standard CMOS process. With the adoption of a differential output structure, the area of a storage unit structure is reduced. The ultralow power consumption differential structure nonvolatile memory comprises a plurality of storage units, wherein each storage unit comprises two identical modules; each module comprises a control tube, a tunneling tube, a first reading tube, a second reading unit and five transistors of a selection tube; all the transistors comprise mono-crystal and polycrystal silicon gate structure and gate oxide layers same in thickness; the storage units are compatible with the standard CMOS process. By virtue of the ultralow power consumption differential structure nonvolatile memory compatible with the standard CMOS process, the application cost is reduced; the technique development period is shortened; the ultralow power consumption differential structure nonvolatile memory is good in stability, relatively high in reading speed and high in reliability.
Owner:NAT UNIV OF DEFENSE TECH +1

Preparation method of color slices

The invention discloses a preparation method of color slices, aiming at solving the problems that the existing preparation method of a color sheet prepared by coating, drying and stripping films on the surface of a covered plastic film or teflon film platform cannot achieve the thickness and the productivity of the color slices at the same time. Through adopting the preparation method for coating, drying and stripping films on hard smooth sheets of a granite slab, a wear-resistant floor or a glass plate and the like, the thickness of each color slice can be controlled to be 0.05-0.25mm, and a great amount of color slices can be produced only by paving more smooth hard sheets for coating films under natural conditions, and the problem of the thickness and productivity can not be achieved at the same time, can be effectively solved. The prepared color slices have the advantages of being thin in thickness, and high in productivity, thus effectively promoting the development of the production technology of the color slice manufacturing industry.
Owner:广西启利新材料科技股份有限公司

Substrate surface microfluidics method

The invention discloses a substrate surface microfluidics method. The method comprises the following steps: performing modification treatment on a substrate; making a pre-pattern of liquid flow on the surface of the substrate; making a solvent flow along the pattern according to a hydrophilicity and hydrophobicity principle; controlling the solvent to flow directionally by an electrical heating method; and conveying and diluting solvent-doped dye molecules directionally. Another measure of a microfluidic technology is provided by the method. Selective flow of the liquid can be realized through a hydrophilic and hydrophobic surface pattern; the flow speed of the liquid can be controlled by controlling different line widths of the hydrophilic and hydrophobic surface pattern; surface microfluidics can be realized through electrical region-based heating; and organic functional molecules can be conveyed directionally through surface microfluidics. Through adoption of the method, strict requirements of a conventional preparation process are eliminated; the bottleneck in development of a conventional surface microfluidics technology is broken; and the requirements on instruments and the environment are relatively low.
Owner:SHANGHAI UNIV

Hydraulic pump service life test bench

The invention discloses a hydraulic pump service life test bench, and belongs to the technical field of hydraulic system fault prediction, which is mainly used for fault diagnosis and predication of guided missile weaponry hydraulic systems. The hydraulic pump service life test bench includes a drive system, a pressure adjustment system, a control system, a signal acquisition and display system and a cooling system. A vibration signal, a pressure signal, a flow signal, and a temperature signal of a full service life period of the hydraulic pump are monitored, and the information is stored in an industrial personal computer through a data acquisition card and is used for fault prediction. The hydraulic pump service life test bench can acquire degradation information of the hydraulic pump in all round, can achieve an acceleration degradation test in the overpressure and overspeed condition and an inconstant acceleration degradation test at a constant pressure, can extract full accurate feature information and improve the test efficiency, can effectively acquire all the service life data of the hydraulic pump, and can lay the foundation for later fault prediction technique development.
Owner:PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE

Method for realizing TABLE multi-line simultaneous edition

The invention relates to the technical field of software technique development, in particular to a method for realizing TABLE multi-line simultaneous edition. The method has the advantages that TABLE is operated through a JS (javascript) language, and the editions of the collection data List, such as addition, modifying and deletion, are performed; the addition, the modifying and deletion are operated on the same webpage, the separation of single functions is not needed, and the data is submitted after the operation is completed; the problem of poor experience of a user in the complicated service system is effectively solved, and the method can be applied to the TABLE edition.
Owner:G CLOUD TECH

Preparation method of PbTe colloid nanocrystalline self-assembly film

The invention relates to a preparation method of a PbTe colloid nanocrystalline self-assembly film driven by constant temperature, constant pressure and constant load air flow, belonging to the field of preparation of ordered nano films by using rheotaxy, and the ordered nano film material is an important material for the development of new technologies of electronics, information, biology, and the like. The method comprises the following steps of: dispersing colloid nanocrystalline in a constant temperature, constant pressure and constant load air flow deposition device filled with a mixed solvent, wherein the colloid nanocrystalline is monodisperse PbTe colloid nanocrystalline prepared by adopting a colloid chemical method; driving the colloid nanocrystalline to carry out self-assembly by utilizing bath temperature and carrier air flow; assembling the colloid nanocrystalline on a Si wafer substrate to form a PbTe nanocrystalline film layer; and then clearing away residual liquid on the surface of the film by utilizing a high-speed film throwing technology. The thickness of the film layer can be effectively controlled through controlling the deposition time, and the prepared PbTe colloid nanocrystalline self-assembly film has uniform and consistent surface and is highly ordered. A tool in the invention for controlling solution evaporation has simple structure, low cost, simple and convenient operation and effective method.
Owner:XI AN JIAOTONG UNIV

Immersion ultrasonic measurement device and method for adjusting and measuring channel gap

The invention discloses an immersion ultrasonic measurement device and method for adjusting and measuring a channel gap. The immersion ultrasonic measurement device comprises a measuring head and a distance adjustable device, wherein the measuring head includes the main body of a measuring head; a slit channel is formed in the end part of the main body of the measuring head in the radial direction, and enables the melt to flow; one side of the slit channel is provided with a probe channel; a buffer rod with a cladding layer is arranged in the probe channel; an ultrasonic probe is fixedly arranged in the buffer rod; the buffer rod is fixed on the distance adjustable device; a displacement sensor is arranged on the distance adjustable device; and the distance adjustable device drives the buffer rod to move axially along the probe channel, so that the distance from the ultrasonic probe to the radial direction of the slit channel can be adjustable. During the process of ultrasonic measurement for a polymer melt, the immersion ultrasonic measurement device can break through the restriction of the physical width of a current die and can expand the test area of the probe. The immersion ultrasonic measurement device can research the granularity size and the dispersion behavior for the polymer filling system melt in different channels, and has practical significance for the technology development of polymer processing engineering.
Owner:SOUTH CHINA UNIV OF TECH

Portable ship block deformation control method

InactiveCN103077262AImprove shipbuilding efficiencyPromotionalSpecial data processing applicationsMarine engineeringData acquisition
The invention relates to the technical field of ship and ocean engineering equipment, in particular to a portable ship block deformation control method. The method comprises the following steps of 1, identifying a design model document and importing the design model document; 2, sampling physical profile data; 3, importing the sampled data; and 4, comparing and analyzing the design model and the sampled model. According to the method provided by the invention, no margin ship building can be realized, the ship building efficiency can be speeded up, and technical support for batch ship building precision control management is provided, and promotion and inheritance can be reached. Moreover, the defects that the existing ship building experience and margin distribution method need long time to accumulate, are obviously lagged compared with the current large ship building technique development trend and do not have promotion and inheritance are overcome.
Owner:CNPC BOHAI EQUIP MFG +1

A2/O+A/O technique wastewater biological denitrification phosphorous removal process and its device

The invention pertains to a field of the technique development of sewage treatment system. The invention is designed to solve the problem of instability and low standard-reaching rate of biological denitrification and phosphorus removal technic A2 / O. The problem is caused by the competition of carbon source. The invention is based on the theory of dephosphorization and denitrification by denitrification and reasonably takes the advantage of the idea that intake carbon sources can be used instead of additional carbon sources to improve denitrification rate. The invention is designed to update the technic A2 / O to the technic (A2 / O+A / O) of anaerobia-anoxia 1-aerobic 2-anoxia 2-aerobic 2, and the invention can also optimize the nutrient removal ability of the technic (A2 / O+A / O) by starting the switches of aeration and stirring and side-flow pump in anoxia 2 zone according to different quality and quantity of intake water. The invention can also fully exert the denitrification phosphorus removal performance and effectively use the intake carbon source within the technic (A2 / O+A / O), can effectively improve water quality, evidently reduces operation cost and reforms operation status. The invention is applicable to urban sewage treatment which demands on a nutritive matter emission standard.
Owner:BEIJING UNIV OF TECH

Detecting instrument of rain gauge

The invention relates to a detecting instrument of a rain gauge. The detecting instrument includes a water tank for holding simulated rainwater, a gravity detecting device for detecting the weight of the water tank and a control system. The water tank is used for communicating with the to-be-detected rain gauge. The control system is electrically connected to the gravity detecting device and the to-be-detected rain gauge. When the simulated rainwater flows from the water tank into the to-be-detected rain gauge, the to-be-detected rain gauge detects detection volume of the simulated rainwater and displays the detection volume on an interactive screen through the control system. The gravity detecting device detects a weight change of the water tank, calculates volume according to a changed weight value and the density of the simulated rainwater, and displays the calculation volume on the interactive screen through the control system. Since the technology of gravity measurement develops maturely, the measurement precision is high and the rain gauge usually detects a volume value, the determination of the precision of the rain gauge by detecting the weight can perform high-precision calibration on the rain gauge.
Owner:北京创信恒通科技有限公司

Method for extracting and purifying horse radish peroxidase from horse radish by using monoclonal antibody affinity adsorption technology

The invention relates to a method for extracting and purifying horse radish peroxidase, in particular to a method for extracting and purifying horse radish peroxidase from horse radish by using monoclonal antibody affinity adsorption technology. A method for extracting horse radish peroxidase by using monoclonal antibody affinity adsorption technology uses monoclonal antibodies having high specificity and high affinity aiming at horse radish peroxidase and conjugation of carrier padding to extract and purify horse radish peroxidase from horse radish by using a method of affinity chromatography. The invention uses monoclonal antibody affinity adsorption to purify HRP, thereby not only saving time and cost but also not producing much water material; moreover, compared with the traditional method, the activity of enzyme is greatly improved so as to accord with the requirement for environment-friendly and social-saving social construction. The HRP product extracted and purified by the technology has good quality and low cost, has stronger market competition, and also accords with better and better quality requirement of technical development for HRP; therefore, the invention will replace the traditional deposition purification method.
Owner:HUZHOU YINGCHENG BIOLOGICAL TECH

Drive motor of centrifugal fan

The invention discloses a drive motor of a centrifugal fan and a motor, wherein, an end face (10) at one end of a double-layer base (7) is provided with a heat dissipation air duct hole (13); a heat dissipation air duct (14) is arranged between a base external cylinder (12) and a base internal cylinder (11); the heat dissipation air duct (14) is communicated with the heat dissipation air duct hole (13); and a shaft (1) penetrates the centre hole of the end face (10) of the base (7). The drive motor of the invention has simple and compact structure, easy manufacturing, energy conservation, improved rotating speed of the fan, increased wind pressure of the fan, improved flow rate of the fan, reduced volume of the fan, lowered manufacturing cost, increased efficiency, adaptability to the demand of technique development and the like, wherein, the rotating speed is improved from 3000r / min to 30000r / min.
Owner:CHONGQING DEMA FREQUENCY CONVERSION MOTOR R & D
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