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197results about How to "Promote marketization" patented technology

Driving behavior safety evaluation method based on human-vehicle-environment multiple data sources

ActiveCN107618512APromote marketizationCredible Driving Risk LevelStatistical analysisKnowledge Field
The invention provides a driving behavior safety evaluation method based on human-vehicle-environment multiple data sources and belongs to the field of automobile safety driving research in the aspectof road transportation application. The method comprises the steps that information data of a driver, driving data of a vehicle and environmental factor data are acquired as automobile driving sourcedata; according to the automobile driving source data, related factors which influence the driving safety are analyzed, and a driving risk evaluation index system is built; through statistical analysis, an evaluation value corresponding to an evaluation index is extracted in the source data, a driving risk score of a vehicle to be evaluated is calculated and obtained, and finally the driving behavior safety grade of the vehicle is determined. The driving behavior safety evaluation method has reliable evaluation results, can prevent dangerous driving behaviors, reduces traffic accidents and improves the traffic flow.
Owner:TSINGHUA UNIV

Intelligent irrigation fertilizing decision-making control system

The invention relates to an intelligent irrigation fertilization decision-making control system, comprising an input unit, an output unit, a data acquisition unit and an irrigation control unit, wherein, a decision-making analysis unit arranged in a decision control database receives the data from the input unit and exchanges data with a privilege unit after processing the received data, and then exchanges data with a fuzzy reasoning unit which also receives output data of a data management unit; after performing logical judgment and processing according to the received data, the fuzzy reasoning unit outputs the data to a control management unit; a sensor of the data acquisition unit acquires and transfers the soil humidity data to the data management unit; a controller of the irrigation control unit receives the data from the control management unit, and transfers the data to a switching quantity output module after processing, and the switching quantity output module transfers the data to a solenoid valve. The intelligent irrigation fertilization decision-making control system has the advantages that: crop physiological water demand indicators are introduced into the computer automatic control field, the irrigation fertilization decision-making is carried out through an irrigation indicator database and the fuzzy classification technology.
Owner:CHINA AGRI UNIV

Preparation method for polycarboxylic acid series comb-shaped surface active agent

The invention discloses a preparation method for a polycarboxylic acid series comb-shaped surface active agent, which comprises the following steps of: mixing two comonomers, an initiator, a chain transfer agent and a solvent under the protection of nitrogen, heating to a reacting temperature for polymerization to obtain an intermediate polymer; adding a graft compound, a catalytic agent and a dissolvant into the intermediate polymer, carrying out graft reaction at graft temperature, decompressing and removing part of solvent in a reaction system after reaction, and then precipitating the product with a precipitator; dissolving filter cakes with the solvent; precipitating the dissolved solution with the precipitator again, dissolving repeatedly, precipitating again and then refining, and finally decompressing and drying the product to the constant weight. The preparation method has the advantages of reasonable technology, simple operation, low preparation cost, mild reacting conditions and good product quality.
Owner:CHINA RES INST OF DAILY CHEM IND

Preparation method for siloxane-terminated organosilicon block polyurethane prepolymer

The invention discloses a preparation method for siloxane-terminated organosilicon block polyurethane prepolymer. The method includes the following steps: polyester polyol or polyether polyol, hydroxy-terminated silicone oil, castor oil and the like are dripped into aromatic or aliphatic diisocyanate, so that organosilicon block polyurethane prepolymer is obtained; and afterwards, under organic tin catalyst, siloxane with activated hydrogen is added into the organosilicon block polyurethane prepolymer to react, so that the stable siloxane-terminated organosilicon block polyurethane prepolymer is obtained. The cured film of the prepolymer prepared by the method has the advantages of high elasticity, low-temperature flexibility, high water resistance, high adhesive force, high wear resistance and high aging resistance. The siloxane-terminated organosilicon block polyurethane prepolymer can be widely applied in sealing or coating materials for environment protection, buildings, electronics and other industries and other fields.
Owner:INST OF APPLIED CHEM JIANGXI ACAD OF SCI

Water-insoluble modified polyvinyl alcohol coating liquor and its preparation process

The invention discloses an insoluble modified polyvinyl alcohol coating liquid and preparing method and film through the coating liquid, which comprises the following parts: polyvinyl alcohol, modifier, inorganics, crosslinking agent, catalyst and water. The coating liquid improves levelling, adhering and even property greatly, which increases obstruct property for kinds of gas.
Owner:刘建林

Steel scoria tail mud composite slag micro mist agglutination material

The invention relates to a cementing material of steel slag tailings and composite slag micro powder, which comprises the composite slag micro powder and the steel slag tailings, and the weight ratio of the composite slag micro powder to the steel slag tailings is between 1 to 1 and 1 to 3; the specific surface area of the composite slag micro powder is larger than 350 m / kg, the composite slag micro powder comprises a combined material and the slag micro powder, wherein the combined material accounts for 8 to 35 percent of the composite slag micro powder by weight, and the slag micro powder accounts for 65 to 92 percent of the composite slag micro powder by weight; and the combined material comprises gypsum. The cementing material has the advantages that: 1, the method is an effective method utilizing large amount of waste slag; 2, the raw material of the composite slag micro powder has wide source; 3, the steel slag tailings are natural-grade tailings after steel slag wet-type ball milling magnetic separation particles are toughened, and the settled tailings do not need to be dried and are directly used as an auxiliary material; and 4, the steel slag tailings account for large proportion, and can fully utilize waste slag resources.
Owner:武钢集团有限公司

Method for monitoring absolute earth surface deformations of depression area by means of rising rail InSAR and falling rail InSAR without ground support

ActiveCN105938193ABreak through the limitation of only monitoring relative surface deformationPromote marketizationRadio wave reradiation/reflectionEngineeringEarth surface
The invention discloses a method for monitoring absolute earth surface deformations of a depression area by means of a rising rail InSAR and a falling rail InSAR without ground support. The method comprises the steps that relative earth surface deformation measured values of the earth surface in two different slope distance directions are obtained by means of data of the rising rail InSAR and data of the falling rail InSAR; relative deformations of the earth surface in the vertical direction and in the longitudinal direction are estimated by fusing relative deformation fields of the rising rail InSAR and the falling rail InSAR; absolute offsets of the relative deformation measured values of the rising rail InSAR and the falling rail InSAR are calculated by means of ground points of which relative deformation magnitudes in the longitudinal direction are smaller than a certain threshold; the absolute deformations of the earth surface in the vertical direction and in the longitudinal direction are estimated by means of the rising rail InSAR deformation value and the falling rail InSAR deformation value which are corrected through the absolute offsets. The technique bottleneck that a traditional InSAR only can obtain the relative earth surface deformations is broken through, and the absolute deformation results of the earth surface in the vertical direction and the longitudinal direction can be obtained without laying ground control points or assuming a far field deformation to be zero.
Owner:CENT SOUTH UNIV

Magnetic-navigation motion control system for use in capsule endoscopy

The invention discloses a magnetic-navigation motion control system for use in capsule endoscopy, which can realize the motion control and position control over a capsule endoscope in the alimentary canal. The system comprises a supporting part for an examination receiver, a magnetic assembly, a magnetic support seat and a servo control unit, wherein the magnetic assembly generates a quasi-static magnetic field by using a permanent magnet and mechanical movement to realize the positioning and orienting of the capsule endoscope with a built-in permanent magnet. The magnetic-navigation motion control system provided by the invention has 5 universal driving shafts and can realize the motion control and position control over the capsule endoscope in the alimentary canal with the external control over the feeding speeds, rotating speeds and relative movement speeds of the parts of a magnetic navigator system.
Owner:HUAZHONG UNIV OF SCI & TECH

Energy storage system automatic demand response method based on block chain technology

The invention provides an energy source local area network energy storage system automatic demand response method based on a block chain technology. The method comprises the following steps of obtaining state information of the energy storage system connected into an energy source local area network; building an energy storage system charging and discharging model; building an electric automobileschedulable capability comprehensive evaluation system; using a real-time electricity price mechanism; setting charging and discharging electricity price orienting electric automobile users; finally developing a decentered automatic demand response criterion on the basis of the block chain technology; building an intelligent contract between two trading parties. By aiming at the energy source local area networks comprising an electric automobile cluster, a wind light power generation system and an energy storage battery, a distributive node network for charging and discharging by the user is built by the invention for pursuing point-to-point direct trading of mass users; reasonable configuration of inside resources of the system is realized; the autonomous supply and demand balance state is achieved.
Owner:ZHEJIANG UNIV OF TECH

Low-temperature plasma catalyst, and preparation method and application thereof

Low-temperature plasma catalyst, and a preparation method and application thereof belong to the field of catalytic chemistry. The low-temperature plasma catalyst is formed by loading nano-scale mixture of barium titanate and titanium dioxide on the surfaces of Al2O3 particles. Mass ratio of the barium titanate and the titanium dioxide is 2:1-1:2. The preparation method includes: sequentially using nitric acid solution, NaOH solution and water to pretreat Al2O3 particulate carrier and drying; mixing nano-scale BaTiO3 and TiO2 powder according to the mass ratio of 2:1-1:2 and grinding, and dispersing the mixture to mixture of epoxy resin, firming agent and absolute ethyl alcohol to form emulsion; dispersing the treated Al2O3 particles into the emulsion, and allowing both resin and the powder mixture to adhere to the surfaces of the particles form adhesive layers; and pulling out the loaded Al2O3 particles, and naturally drying the particles in air. The low-temperature plasma catalyst enables removal rate of organic pollutant to be increased and power consumption to be lowered.
Owner:BEIJING UNIV OF TECH

Photoelectric oscillator based on optical resonant cavity

The invention discloses a photoelectric oscillator based on an optical resonant cavity, and aims to carry out photoelectric oscillation on laser so as to generate high-quality microwave signals. The photoelectric oscillator consists of a laser, a photoelectric modulator, an amplifier, a filter, a photoelectric detector and an optical resonant cavity which form a loop, wherein the loop forms the main structure of the photoelectric oscillator. The photoelectric oscillator disclosed by the invention has outstanding advantages in generating high-quality microwave signals in a light domain, and high-quality microwave signals can be formed through multiple times of oscillation; the optical resonant cavity is adopted to output the microwave signals through multiple times of oscillation, and the invention mainly aims to minimize the photoelectric oscillator; the optical resonant cavity is adopted to replace conventional long optical fibers, so that the photoelectric oscillator has the characteristics of small size, low consumption, stable performance and the like, and is applicable to the field of radio wireless communication and microwave photonics; the optical resonant cavity is realized through coupled prisms and micro disc cavities and thus is relatively stable in property when being compared with an optical resonant cavity realized through coupled waveguide and micro discs.
Owner:ZHONGBEI UNIV

Microwave assisted extraction method of lemon essential oil

The invention relates to a microwave assisted extraction method of lemon essential oil. The extraction method comprises the following steps: (1) cleanly cleaning lemon peel, then, drying and crushing, so as to obtain lemon peel powder; (2) putting the lemon peel powder into a nonmetallic vessel, adding water and salt into the nonmetallic vessel, putting the nonmetallic vessel into a microwave extraction device, and then, heating materials in the nonmetallic vessel until the materials in the nonmetallic vessel are boiled; applying microwave radiation to the materials in the nonmetallic vessel after the materials in the nonmetallic vessel are boiled, and collecting generated vapor and condensing, so as to obtain crude lemon essential oil, wherein the manner of microwave radiation applying is intermittent; (3) separating water and impurities from the crude lemon essential oil, thereby obtaining the lemon essential oil. The extraction method disclosed by the invention has the advantages of environmental friendliness, rapidness, energy saving and the like, and is less in environmental pollution, easy in raw material obtaining, simple in process, convenient in operation, low in energy consumption, low in cost and high in efficiency; the prepared lemon essential oil is free from organic solvent residues and is high in quality and high in purity, and the natural quality of the lemon essential oil is kept.
Owner:广东添乐化妆品有限公司

Edible grain blend oil rich in phytosterol

InactiveCN101773165AThe amount added is reasonableGood for healthEdible oils/fatsPhytosterol estersAntioxidant
The invention discloses an edible grain blend oil rich in phytosterol, which adopts grain oil as a main raw material and contains other edible plant oils simultaneously. The edible grain blend oil rich in phytosterol is characterized in that the edible blend oil is added with the phytosterol and / or phytosterol ester; and the total content of the phytosterol in the edible grain blend oil is 1 percent to 5 percent of the weight of the edible blend oil. Simultaneously, the edible blend oil is also added with antioxidant as an additive, the content of which is 0 percent to 0.2 percent of the weight of the edible blend oil. The edible grain blend oil rich in phytosterol has the advantages that: 1. the edible blend oil adopts the grain oil as a main raw material, the addition amount of the phytosterol and the phytosterol ester becomes more reasonable, and the total content of the phytosterol accords with the healthy recommendation of American FDA, thus being good for human health; 2. the main material adopts the edible grain oil with high content of the phytosterol, the formula is more reasonable, the industrial production is simple, simultaneously, the product cost is reduced, and marketization is easy to be realized; and 3. the edible grain blend oil rich in phytosterol supplies a gap that the edible grain blend oil rich in phytosterol does not exist in the market.
Owner:中粮北海粮油工业(天津)有限公司 +1

Two-gear transmission for electric vehicle

The invention discloses a two-gear transmission for an electric vehicle. The two-gear transmission is applicable to front-engine front-drive or rear-engine rear-drive vehicles, is positioned at the output end of a driving motor, and is of a three-shaft structure. The two-gear transmission comprises an input shaft assembly, an intermediate shaft assembly, an output assembly and a case assembly, wherein rotation central lines of the input shaft assembly, the intermediate shaft assembly and the output assembly are parallel; the input shaft assembly, the intermediate shaft assembly and the output assembly are mounted and supported on the case assembly. According to the two-gear transmission, the transmission efficiency is high, the structure is simple, the transmission ratio is liable to match, and the production and manufacturing cost is relatively low; the transmission torque is large, gear shifting control is accurate, reliability is high, and performance requirements that power is not interrupted during the gear shifting process, the time of the gear shifting process is short, and the gear shifting process is smooth can be met; the lighter driving motor can be adopted, and the cost of the driving motor is reduced; and the driving motor and a transmission system are integratedly designed, so that the comprehensive cost of an electric driving system is greatly reduced, and the loading compatibility on different vehicles is higher.
Owner:BEIHANG UNIV

Ankle rehabiliation apparatus with double-freedom degree

InactiveCN101502469AAchieve inversion/valgus movementAchieving Abduction/AdductionChiropractic devicesMotor driveAnkle rehabilitation
The invention relates to an ankle rehabilitation apparatus with two degrees of freedom, comprising a support. The invention is characterized in that a zigzag rod which can turn and swing around a D / P axis is hinged between the left part and the right part of the support; the zigzag rod is hinged with a sole supporting sheath facing the negative direction of a P / S axis via a hinge hole so as to lead the sole supporting sheath to turn and swing around the P / S axis. The support is also provided with a first motor drive mechanism and a second motor drive mechanism; the first motor drive mechanism and the second motor drive mechanism are used for driving the zigzag rod and the sole supporting sheath to carry out to-and-fro turning and swinging. By using the second motor drive mechanism to drive the sole supporting sheath to carry out to-and-fro turning and swinging, the invention realizes varus and eversion of the ankle, and by using the first motor drive mechanism to drive the zigzag rod to carry out to-and-fro turning and swinging, the invention realizes abduction and adduction of the ankle. The rehabilitation apparatus has simple structure, convenient use, low manufacturing cost, easy marketization and broad application prospect.
Owner:FUZHOU UNIV

Hangover-alleviating and liver-protecting composition containing rice bran fatty alkanol and preparation method

The invention provides a hangover-alleviating and liver-protecting composition containing rice bran fatty alkanol and a preparation method. The hangover-alleviating and liver-protecting composition comprises the following components: rice bran fatty alkanol and other active components according to a ratio of 1:1 to 1:100, wherein the other active components comprise the following materials in percentage by weight: 30 to 100% of semen hoveniae powder, 0 to 70% of yeast powder, and 0 to 70% of lactobacillus rhamnosus. The hangover-alleviating and liver-protecting composition has the advantages that the rice bran fatty alkanol is compounded with other active components, so that the better hangover-alleviating and liver-protecting effects are realized; the direct stimulation of alcohol to thedigestive tract after drinking is fully alleviated, and the metabolism of the alcohol is accelerated to relieve the damage to the organs and systems of human body by the product of alcohol in the metabolism process of the human body; the hangover-alleviating and liver-protecting composition is prepared into the tableted candy, the processing is convenient, the cost is economic, the marketing is easy, the convenience in use is realized for a consumer, the willing of a consumer is high, and the market application prospect is very broad.
Owner:上海梵怡生物科技有限公司

Applying method of zinc electrode additive in zinc and nickel secondary battery

The invention discloses application of a zinc electrode additive in a zinc and nickel secondary battery. By means of application, deformation and dendritic crystals of zinc oxide can be improved, and other properties of conductivity, electrical resistivity, deposition form, deposition rate and the like are improved. Meanwhile, the problems of deformation, dendritic crystal and poor cyclic property of zinc oxide and low specific discharge capacity of anionic zinc-based hydrotalcite are solved. By means of the application, good cyclic property and high specific discharge capacity can be simultaneously obtained, and the marketization of the zinc and nickel secondary battery is facilitated.
Owner:CENT SOUTH UNIV

Disposable double stage filtering magnetic machine oil filter

The disposable double stage magnetic machine oil filter has two filtering rooms, including one magnetic filtering room and one filter paper filtering room, formed inside the casing and one isolating cylinder inside the casing to guide the machine oil to pass successively through these two filtering rooms. The present invention has increased area and time for machine oil to contact with the magnet, raised metal particle filtering effect, no jamming in the filter paper, long service life of the filter and excellent protection on the engine.
Owner:周中标

Device and method for modifying activated carbon adsorbent by using rotating low-temperature plasma

The invention discloses a device for modifying an activated carbon adsorbent by using a rotating low-temperature plasma. A track is transmitted by a motor, and is wound on a quartz tube reactor, and the two ends of the quartz tube reactor are provided with an air inlet and an air outlet; a joint of an air inlet pipe is installed in the air inlet by means of a sealed bearing, and a discharge area is formed in the middle of the quartz tube reactor and is interspersed in a grounding coil; the diameter of the grounding coil is greater than the outer diameter of the quartz tube reactor, and the grounding coil is erected on a grounding support; a corona wire is erected inside the discharge area of the quartz tube reactor by means of a rolling bearing, penetrates out of the air outlet of the quartz tube reactor and is connected with an alternating current power supply. The invention also discloses a corresponding method. The device and the method provided by the invention have the advantages of easiness in operation, environment friendliness, economy, and large-scale production, the obtained absorbent is in a granular shape, the penetration time of the adsorbent can be prolonged, the CH4 adsorption capacity of the adsorbent can be increased, and the device and the method can be used for effectively enriching and separating CH4 gas with the concentration of 0.2% or used for the treatment field of volatile organic compounds (VOCs).
Owner:FUJIAN ZIJIN ENVIRONMENT ENG TECH

Low-cost ecological ceramic material having a plurality of sound absorbing structures and preparation method thereof

The invention discloses a low-cost ecological ceramic material having a plurality of sound absorbing structures. The low-cost ecological ceramic material having the plurality of sound absorbing structuresis prepared from the following components: 22% to 27% offly ash, 13% to 18%ofcoal gangue, 8% to 12% ofred mud, 40%to 45% ofshale, 5%to 10% offeldspar, 0.2%to 2% of foaming agent, 0.5%to 3% of binder, 7%to 12% of pore forming agent, and 0% to 1% ofsurfactant; a variety of pore structures are arranged, and water vapor in the environment is absorbed to adjust the humidity of the air. The invention further discloses a preparation method of the low-cost ecological ceramic material.A perforated plate sound absorbing structure, a microperforated resonance sound absorbing structure, and a thin plate resonance sound absorbing structure are formed by three pore-forming methods of mechanical punching, pore forming agent, and foaming agent respectively, the open porosity of the material is increased, the high-frequency sound absorption effect is improved, the plurality of sound absorbing structures improve the sound absorption effect of the low and medium frequency, the preparation material islow in cost, and the environment-friendly effect is conformed.
Owner:SHANXI TIANHE NEW MATERIAL TECH CO LTD

Sulfonating polycarboxylic acid type ceramic water-reducing agent and preparation method thereof

The invention relates to the preparation of ceramic water-reducing agents, in particular to a sulfonating polycarboxylic acid type ceramic water-reducing agent and a preparation method thereof. The preparation method of the water-reducing agent comprises the following steps: obtaining styrene maleic anhydride copolymer by the reaction of maleic anhydride and styrene, then sulfonating and modifying the copolymer, and finally obtaining the ceramic water-reducing agent. The method has the advantages of easy synthesis, simple operation as well as easy marketization and industrial application. The obtained ceramic water-reducing agent can improve the fluidness of ceramic slurry, enable the ceramic slurry to have appropriate viscosity and good fluidness under the situation of moisture content reduction and avoid phenomena of crawling, and the like.
Owner:GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI

Photovoltaic power station efficiency attenuation prediction method

ActiveCN106204332AInsufficient consideration to make up for efficiency attenuationMake up for the problem that the accuracy needs to be improvedData processing applicationsSystems intergating technologiesUltrasound attenuationDecomposition
The invention discloses a photovoltaic power station efficiency attenuation prediction method. The method comprises the steps that firstly, actually-measured power station operating environment parameters and output power are selected as actually-measured samples; a power station simulation platform is established, the environment parameters of the actually-measured samples are input into the simulation platform, and simulation samples under corresponding environment parameters are obtained; the power of the two sets of samples is regarded as a signal source, an actually-measured power signal and a simulated power signal are denoised, and data obtained after denoising is used for calculating power station output efficiency EFF values at corresponding moments; the obtained EFF value sequence is decomposed through an EMD method, and all the EFF values obtained after decomposition through the EMD method are stored as a historical sequence; sample points are drawn from the historical sequence and input into an efficiency attenuation prediction model, and predicted values are obtained. The method overcomes the defect that through an existing model, photovoltaic power station efficiency attenuation under different outdoor conditions is not predicted sufficiently, and the method is beneficial for market-oriented operation of a photovoltaic power station and further achievement of failure prediction and healthy management technologies of the photovoltaic power station.
Owner:HOHAI UNIV CHANGZHOU

Hydrogel encapsulated bacterial spore self-repairing material with pH responsiveness and cement-based concrete self-repairing method

ActiveCN111056799AGood biocompatibilityNon-toxicBiotechnologyBacillus pseudofirmus
The invention belongs to the field of interdiscipline of civil engineering materials and microbiology, and relates to a hydrogel encapsulated bacterial spore self-repairing material with pH responsiveness and a cement-based concrete self-repairing method. The self-repairing material comprises hydrogel with pH responsiveness, bacterial spores encapsulated by the hydrogel and a calcium source, wherein the hydrogel is prepared from a cross-linked hydrophilic polymer, and the bacterial spores comprise bacillus pseudofirmus spores. The hydrogel used in the invention has pH responsiveness, and can encapsulate bacterial spores on the premise of ensuring no damage to cement strength, thus successfully realizing cement self-healing.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD

Organic boron zirconium crosslinking agent

The invention provides an organic boron zirconium crosslinking agent, belonging to the technical field of oilfield fracturing fluids. In order to solve the problem that the existing organic boron zirconium crosslinking agent prepared from the expensive organic zirconium complex enhances the raw material cost of the organic boron zirconium crosslinking agent and lowers the economic benefit, the invention provides an organic boron zirconium crosslinking agent which comprises the following components in parts by weight: 1 part of inorganic zirconium salt, 2-4 parts of water, 3-6 parts of isopropanol, 0.4-1 part of inorganic boride, 4-20 parts of methanol, 2-4 parts of polyalcohol, 1-2 parts of sodium alpha-hydroxycarboxylate, 1-2 parts of triethanolamine and 0.5-1 part of tetrahydroxypropyl ethylenediamine. By using the cheap inorganic zirconium salt as the raw material, the organic boron zirconium crosslinking agent provided by the invention greatly saves the cost, and is beneficial to marketization of the organic boron zirconium crosslinking agent and wide application in the high-temperature-resistant fracturing fluid system.
Owner:SOUTHWEST PETROLEUM UNIV

Method for preparing nanoscale regenerated cellulose by adopting molten salt system

The invention discloses a method for preparing nanoscale regenerated cellulose by adopting a molten salt system. The method specifically comprises the following steps: (1) adding a cellulose raw material into a molten salt system, and heating and dissolving to obtain a uniform and transparent cellulose-molten salt solution; (2) adding a proper amount of regeneration solvent into the cellulose-molten salt solution, and carrying out solid-liquid separation to obtain nanoscale regenerated cellulose; (3) washing the separated regenerated cellulose solid with water, and evaporating and concentrating the separated liquid to recover the regeneration solvent and obtain a regenerated molten salt solution; and (4) preparing the cleaned regenerated cellulose into a cellulose dispersion liquid, and carrying out high-pressure homogenization treatment to obtain the stably dispersed nanoscale regenerated cellulose. According to the invention, the yield of the nanoscale regenerated cellulose preparedby the method is 96-99%, the cost is low, the process is green, clean and sustainable, nano-crystalline cellulose materials in different aggregation states can be obtained, and the method has an important promotion effect on the development of the nano-crystalline cellulose industrial process.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Anti-blockage regenerated water trickle irrigation system

The invention relates to an anti-blockage regenerated water trickle irrigation system, belongs to the field of hydraulic engineering, and has an IPC (International Patent Classification) number of E02B 13 / 00. The trickle irrigation system comprises a filtering system, a measuring and controlling system, a pipe network system and a trickle irrigator. Regenerated water for irrigation sequentially passes through a sandstone filter with a typical filtering material ratio and an automatic backwashing type laminated filter, thus the contents of suspended matters, organic matters, microorganisms andthe like in the regenerated water are effectively reduced; and before irrigation, the regenerated water passes through a mesh gauze filter for further filtering out matters which easily cause blockage. The technical scheme is applicable to long-term usage of the regenerated water for agriculture and green area irrigation, is used for well solving the problems that the filtering system has poor filtering effect, the trickle irrigator, an electromagnetic valve and a water meter are easily blocked so that the performances decrease and the pipe network system is nonuniform in watering when the traditional trickle irrigation system uses the regenerated water for irrigation, and has quite broad market application prospects.
Owner:BEIJING WATER SCI & TECH INST

Detector for electric leakage fire monitoring

The invention belongs to the technical field of detectors and particularly relates to a detector for electric leakage fire monitoring. The detector for electric leakage fire monitoring, good in monitoring and detecting effect and low in cost, comprises a single-chip microcomputer, a temperature sensor, a smog sensor, a gas sensor, a leakage current transformer, an A / D conditioning circuit, an audible-visual alarm, an EEPROM (Electrical Erasable Programmable Read Only Memory), a keyboard, an LCD (Liquid Crystal Display), an RS485 bus, a clock, a releasing controller and a fire-fighting interface. The structural key points of the detector are that ports of the single-chip microcomputer are respectively connected with the temperature sensor, the smog sensor, the gas sensor, the A / D conditioning circuit, the audible-visual alarm, the EEPROM, the keyboard, the LCD, the RS485 bus, the clock, the releasing controller and the fire-fighting interface; and the A / D conditioning circuit is connected with the leakage current transformer.
Owner:陶建臣

Blade electric vehicle integrated two-shift automatic electric drive assembly

The invention relates to a blade electric vehicle integrated two-shift automatic electric drive assembly, the assembly is suitable for a front-engine front-drive automobile or a rear-engine rear-drive automobile and comprises a drive motor (E) and a dry clutch two-shift automatic transmission (T); the dry clutch two-shift automatic transmission (T) is arranged on the output end of the drive motor (E); the drive motor (E) is a DC drive motor or an AC drive motor and comprises a drive motor rotor (10), a drive motor stator (11), a drive motor box (12), a first bearing (13) and a second bearing (14); the dry clutch two-shift automatic transmission (T) is a double-shaft structure and comprises an input shaft assembly (I), a middle shaft assembly (M), an outlet assembly (O) and a box assembly (0); the assembly provided by the invention adopts a fixed axis gear transmission scheme, the transmission efficiency is high, the structure is simple, the transmission ratio is easy to match, and the production cost is relatively low.
Owner:BEIHANG UNIV

Method for thermoelectric coupling analysis of double-glass photovoltaic module

The invention discloses a method for thermoelectric coupling analysis of a double-glass photovoltaic module. Firstly, a simplified engineering mathematic model of the photovoltaic module is obtained according to physical models such as a single diode of a photovoltaic battery, and a simulation model of the photovoltaic module is established. Secondly, a heat exchange manner of the double-glass photovoltaic module is analyzed according to structure characteristics, physical characteristics and optical characteristics of the double-glass photovoltaic module; according to an energy balance equation, a relation equation of temperature, power, convection and thermal radiation of the module is established; and a temperature physical equation of the module is obtained. Finally, a thermoelectric coupling simulation model is established in combination with the engineering mathematic model and the temperature physical equation of the module, so that the thermoelectric coupling analysis of performance of the double-glass photovoltaic module can be achieved. The method disclosed by the invention makes up deficiency of existing models in consideration of temperature influences generated during performance research of the double-glass module, effectively makes up vacancy in the field, facilitates the performance research of the double-glass photovoltaic assembly and also facilitates further marketization of the double-glass photovoltaic module.
Owner:HOHAI UNIV CHANGZHOU
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