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Battery heating control system for vehicles and control method thereof

ActiveCN102055042AGuaranteed charge and discharge performanceWill not harmSecondary cellsBattery state of chargeElectricity
The invention provides a battery heating control system for vehicles and a control method thereof. The battery heating control system comprises a heating control module and a battery heating unit; the heating control module is electrically connected with the battery heating unit; the battery heating unit is used for heating a battery; the heating control module is used for starting the heating ofthe battery by the battery heating unit when the condition of heating starting is met and stopping the heating of the battery by the battery heating unit when the condition of heating stop is met, wherein the starting of the battery heating unit meets the following conditions simultaneously that: the ambient temperature K ambient of the system reaches a temperature set value K1; the battery temperature K battery reaches a temperature set value K2; and the battery state of charge (SOC) reaches a set value SOC1 of the battery SOC. The battery heating control system for the vehicles and the control method can better protect the battery.
Owner:BYD CO LTD

Chinese medicinal herb additive for egg chickens and application

The invention discloses a Chinese medicinal herb additive for egg chickens and application. The Chinese medicinal herb additive comprises membranous milkvetch root, eucommia bark, honeysuckle, jiuyue, Weeping Forsythiae Capsule, szechwon tangshen root, sanguisorba, hawthorn, Indian Buead, officinal magnolia bark, Chinese pulsatilla root, giant knotweed rhizome, ricepaperplant pith, largehead atractylodes rhizome, tangerine peel, malt, indigowoad root, swordlike atractylodes rhizome, indigowoad leaf, three immortals, liquorice, cyrtomium fortune, nutgrass galingale rhizome, chatoyancy, calamus and pinellia tuber, and mixture of the compositions is added with calcium bicarbonate, phytase, vitamin E and methionine. The Chinese medicinal herb additive effectively promotes absorption of nutrient, can prevent and control diseases, strengthen quality of eggshells, reduce the broken egg rate and soft-shell eggs, abnormal eggs and sand shell eggs, can effectively prevent bird flu, prevent and control diseases such as laxness, feather pecking, hair shedding, anus pecking, salpingitis, respiratory disease and the like, can achieve good effect with a dosage of about 4 percent, cannot damage physiological functions of the egg chickens, and can prolong egg laying peak season, improve color of the eggshells and the laying rate by 8 to 20 percent, and increase weight of eggs.
Owner:邹振可

Ultraviolet curing coating for preventing static on plastic surface and method for preparing the same

The invention relates to an ultraviolet photo-cured coating for the electrostatic prevention of the surface of plastic and a preparation method thereof, in particular to a photo-cured coating containing conductive powder of a metal oxide system or composite conductive powder. The coating comprises the following compositions in weight percent: 30 to 70 percent of oligomer, 25 to 65 percent of active thinner, 0.5 to 10 percent of light evocating agent, 5 to 40 percent of conductive powder, 0.2 to 8 percent of additive and 0 to 50 percent of solvent. As the added conductive powder of the metal oxide system and the composite conductive powder is white or light color, the prepared photo-cured has the characteristic of easy color modulation, has lasting antistatic property, high rigidity and wearing resistance, can be used for electrostatic prevention of the surface of electronic equipment, plastic vessel, shell of an electric appliance, office supplies, sports equipment and other plastic products.
Owner:SICHUAN UNIV

Lotion for treating female vagina inflammation

The invention relates to lotion for treating female vagina inflammation, aiming at providing lotion which has obvious clinical curative effect for treating gynecologic inflammation, has small side effect to the body and does not destroy the self defense function of the human body. The invention has the technical scheme that the lotion is external-application lotion prepared from the following raw materials according to parts by weight: 10 to 20 parts of coptis root, 10 to 20 parts of yellow-corktree bark, 10 to 20 parts of baikal skullcap root, 20 to 40 parts of cnidium fruit, 20 to 40 parts of broom cypress fruit, 5 to 15 parts of dried alum, 20 to 40 parts of cordate houttuynia, 20 to 40 parts of kuhseng, 20 to 40 parts of wild chrysanthemum flower, 20 to 40 parts of radix gentianae, 20 to 40 parts of smilax glabra rhizoma, 10 to 20 parts of stemona root, 20 to 40 parts of zanthoxylum, 20 to 40 parts of dandelion, 15 to 25 parts of radix sileris, 20 to 40 parts of borax, 10 to 20 parts of peppermint, 20 to 40 parts of angelica, 20 to 40 parts of radix arnebiae seu lithospermi and 10 to 20 parts of licorice. The invention is suitable for clinically common gynecologic inflammation.
Owner:HANGZHOU PYRAMIX BIOTECH

High voltage DC vacuum relay with high reliability and long service life

The invention discloses a high voltage DC vacuum relay with high reliability and long service life, which is arranged inside a vacuum cavity body that is sealed and connected by meal and ceramic; a ceramic insulator is connected between a movable contact component and a push rod in a sliding way; the good vacuum performance and electric insulation performance of the ceramic insulator can be utilized to lead the movable contact and a fixed contact to main good electric insulation together with a magnetic circuit system formed by a magnetic guide yoke iron plate of the relay, an iron core and the like no matter in a state of connection or disconnection, so that current interruption capability of the relay can be guaranteed when DC high-voltage load is switched; a vacuum chamber body and allparts in side the vacuum chamber body formed by the high voltage DC vacuum relay have low enough saturated vapor pressure and are treated by high temperature baking exhaust, so that the vacuum degreein the vacuum chamber body can ensure the work demand of the relay on switching heavy current and the DC high-voltage load for a long time; furthermore, the relay also has the advantages of simple andcompact structure, small volume, light weight, strong shock resistance and impact resistance, simple technique process, low production cost and large batch production.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS

Glass curtain wall cleaning machine

The invention relates to a glass curtain wall cleaning machine. The glass curtain wall cleaning machine comprises a walking mechanism, a cleaning mechanism and a water circulating mechanism which are fixed on a bracket, wherein the walking mechanism comprises a translation cylinder, a slide block, a slide rail, a lifting cylinder, first sucking disk sets and second sucking disk sets; two groups of first sucking disk sets are symmetrically arranged on the left and right sides of the bracket; two groups of second sucking disk sets are symmetrically arranged on the upper and lower sides of the bracket; the slide block is connected with the slide rail in a sliding way; a piston rod of the translation cylinder is fixedly connected with the bracket; the translation cylinder is fixedly connected with the slide block. By adopting the glass curtain wall cleaning machine, unmanned cleaning of the exterior walls of tall buildings is realized, the cleaning speed and cleaning efficiency are high, and automatic walking and barrier crossing functions of the cleaning machine are realized; moreover, the walking speed can be adjusted in a stepless way, and the cleaning force can be adjusted in order to meet the cleaning requirements of different exterior walls.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Non-cured rubber asphalt waterproof paint

The invention discloses a non-cured rubber asphalt waterproof paint. The preparation technology of the paint comprises the following steps: heating the asphalt to 140 DEG C, loading the heated asphalt into a stirring tank, adding a softening agent, rubber powder, and polymer, stirring for 30 minutes, heating to 160 DEG C, delivering the mixture to a colloid mill to grind the two edges, heating to 190 DEG C, adding a special additive, stirring for one hour, cooling to 160 to 170 DEG C, adding an auxiliary agent, stirring for one hour, adding a filling material, stirring for one hour, and finally discharging. The paint solves the problems of waterproof layer fracture due to the cracking stress, which is transferred from the basic layer to the waterproof layer, and the accelerated aging due to the flexural fatigue and high stress state of the waterproof layer. Moreover, because of the cohesiveness of the paint, the capillary pores and cracks in the basic layer can be perfectly sealed by the paint, thus the problem of water leaking in the waterproof layer is solved, and the waterproof reliability is greatly improved.
Owner:徐立

Sucking disk type high-rise building outer wall cleaning machine

The invention relates to a sucking disk type high-rise building outer wall cleaning machine. The sucking disk type high-rise building outer wall cleaning machine comprises a walking mechanism fixed on a bracket, a cleaning mechanism and a water circulation mechanism, wherein the walking mechanism comprises a translation cylinder, a sliding block, a sliding rail, a lifting cylinder, two first sucking disk groups and two second sucking disk groups, the two first sucking disk groups are symmetrically arranged on left and right sides of the bracket, the two second sucking disk groups are symmetrically arranged on upper and lower sides of the bracket, the sliding block is connected with the sliding rail in a sliding mode, a piston rod of the translation cylinder is fixedly connected with the bracket, and a cylinder body of the translation cylinder is fixedly connected with the sliding block. The sucking disk type high-rise building outer wall cleaning machine is fast in cleaning speed, high in cleaning efficiency, steplessly adjustable in walking speed, and capable of achieving unmanned cleaning, automatic walking, as well as an obstacle crossing function, and adjusting cleaning capability to meet the cleaning requirements of different outer walls.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Welding manipulator

The invention belongs to the manipulator or automatic welding technical field and relates to a welding manipulator; wherein, a vertical shaft is arranged on a chassis, a big rocker is arranged on the vertical shaft, which can rotate around the vertical shaft, a small rocker is articulated with the outer end of the big rocker, a vertical shaft and a sleeve shaft are arranged on the outer end of the small rocker, a welding gun head is articulated with the lower end of the vertical shaft. The rotation of the big rocker, small rocker and the vertical shaft and the rising and falling of the vertical shaft and the sleeve shaft are driven by an electric motor, and the rotational angle and the displacement signal are collected or measured by an encoder; the rotation of the welding gun head is driven by the electric motor, and the rotational angle and the displacement signals are collected or measured by the encoder, the signals realize controlling the rotation of the electric motors by a controller to drive the motion of the big rocker, the small rocker, the vertical shaft, the outside shell shaft and the welding gun head. The invention enjoys high degree of automation and dependable welding quality, which can be widely used as an automatic welding device in shipbuilding, carmaking, machinery industry, chemical engineering, metallurgy, construction and other industries.
Owner:WENLING FENGYUN ROBOT

Method for increasing combustion efficiency of combustion engine

The invention provides a new method for increasing combustion efficiency of a combustion engine; based on non equilibrium plasma technology, a non equilibrium plasma generator with low power is designed and applied, has small volume, can be widely applied to such as fuel power equipment such as automobiles, airplanes and the like and really realizes the combustion efficiency increase of the fuel equipment and exhaust emission reduction. The non equilibrium plasma generator provided by the invention is applied for carrying out controllable dielectric barrier discharge so as to activate fuel or combustion-supporting fuel, thus fundamentally improving combustion situation of the fuel, causing the fuel to fully and effectively burn and simultaneously achieving the effect of energy saving and emission reduction.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Riser stress measuring device and measuring method

The invention relates to a riser stress measuring device and a measuring method. Four fiber Bragg grating stress sensors are arranged around the riser, namely the four fiber Bragg grating stress sensors are arranged around the axial direction of the riser 5, and the four sensors are positioned in the same circle on the outer wall of the riser at an interval of 90 DEG. When an external force is applied onto the riser, the four sensors arranged on the outer side of the riser are stretched and bent. In the invention, the circumferential and bending combined stress of the riser can be measured and calculated by the sensors. The device has a simple structure, low external environment sensitivity and high measurement structure accuracy, and can be widely used in measurement of stress of various risers.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Chinese herbal feed additive and manufacturing method

The invention provides a Chinese herbal feed additive and a manufacturing method of the feed additive, and belongs to the field of animal feed additives. The Chinese herbal feed additive is prepared by mixing the following raw materials: radix bupleuri, astragalus mongholicus, codonopsis, poria, atractylodes, licorice, angelica, rehmannia glutinosa, white peony root, glossy privet fruit, hawthorn, medicated leaven, malt, rhizoma atractylodis, oriental wormwood, dodder, fructus cnidii, herba epimedii, pulsatilla, golden cypress, folium isatidis, folium artemisiae argyi, ash bark, cortex ailanthi, vitamin E, vitamin B2 and methionine. When pestilence happens, based on the formula above, the following raw materials can be added: dandelion, honeysuckle and fructus forsythiae. The manufacturing method comprises the steps of drying, weighing, mixing, crushing, screening and mixing the Chinese herbal raw materials. When applied to the feed of laying ducks, the Chinese herbal feed additive has the functions of replenishing Qi to invigorate the spleen, regulating and enriching blood, retaining Yin and nourishing blood, nourishing liver and relieving pain, helping digestion and invigorating stomach, clearing away heat and toxic materials, and inducing diuresis and reducing edema, can improve resistance of the laying ducks, prevent intestinal tract and oviduct inflammation, obviously improve the laying rate of the laying ducks, and reduce the feed-gain ratio.
Owner:李玉刚

Mask solution and mask containing same

The invention discloses a mask solution. The mask solution contains a moisturizer, wherein the moisturizer is prepared from sodium hyaluronate, trehalose, sodium polyglutamate, betaine, tremella polysaccharide and glyceryl polymethacrylate. The mask solution disclosed by the invention is capable of durably and deeply moisturizing the skin, is good in mildness, is also suitable for skin sensitive persons, is natural and non-toxic, is mild and non-irritant, cannot damage the skin after long-term use, has an obvious effect in improving the skin, and is beneficial for enabling the skin to restore elasticity and be glossy.
Owner:曾万祥

Steel-structure-use nuclear-radiation-resistant paint

The invention discloses a steel-structure-use nuclear-radiation-resistant paint which is characterized in that the paint comprises main agents, a curing agent, and a coupling agent. The main agents comprise epoxy resin, organosilicon modified epoxy resin, a radiation-resistant filling agent, a diluting agent, and a processing auxiliary agent. The paint is prepared from the components of, by mass: 100 parts of epoxy resin, 20-60 parts of organosilicon modified epoxy resin, 50-80 parts of radiation-resistant filling agent, 30-60 parts of the diluting agent, 2-5 parts of the processing auxiliary agent, 25-50 parts of the curing agent, and 1-3 parts of the coupling agent. A mass percentage ratio of the main agents to the curing agent is 6-11:1. The steel-structure-use nuclear-radiation-resistant paint provided by the invention has excellent radiation resistance and decontamination property. The paint does not precipitate environment-polluting harmful substances.
Owner:GUANGZHOU SUPER CHEM COATING CO LTDGUANGZHOU SUPER CHEM COATING CO LTD

Chinese medicinal herb feed additive for meat rabbits and application thereof

InactiveCN101595947APrevent predisposition to diseaseImprove securityAnimal feeding stuffBulbulHouttuynia
The invention discloses a Chinese medicinal herb feed additive for meat rabbits and application thereof. The additive comprises the following components: ordate houttuynia, magnolia officinalis, bitter orange, phellodendron, Chinese bulbul, liquorice, rhizoma atractylodis, medicated leaven, Chinese yam rhizome, hawthorn, muze, pilose asiabell root and refined mirabilite. The additive fully considers Chinese medicament compatibility principles of eighteen incompatible medicaments and nineteen medicaments of mutual antagonism according to physiological characteristics of the meat rabbits, ensures that pointed components are compatible with each other, then draw the strong points of others to offset own weakness and cooperate with each other, has good disease-preventing, disease-resistant, growth-promoting and fattening effects, and strengthens the disease resistance. The additive can prevent common diseases that the meat rabbits are susceptible to such as mastitis, constipation, abdominal distension and the like, improve the economic benefit of rabbit breeding, has no side effect, and cannot remain harmful substances; the additive can play a larger role by about 2 percent of consumption, and cannot cause the damage to the physiological functions of the meat rabbits; and the Chinese medicinal herb additive has the advantages of broad sources of raw materials, low cost, high safety and remarkable benefit, so the additive can be developed toward a higher level in meat rabbit breeding industry.
Owner:邹振可

Ecological type water-based synthetic leather

The invention relates to ecological type water-based synthetic leather which comprises a dry layer, a foaming layer, a bonding layer and a base material, and is characterized in that the dry layer, the foaming layer, the bonding layer and the base material are sequentially compounded in a layered way; and the dry layer, the foaming layer and the bonding layer are made from water-based resin. The product does not change the physical properties of solvent type synthetic leather, the whole leather layer structure adopts the non-toxic, harmless, safe and environment-friendly water-based material, and all the links of the whole production process are maintained to be clean and environment-friendly, so that the ecological type water-based synthetic leather is completely environment-friendly. The ecological type water-based synthetic leather saves a great deal of organic solvent, reduces the production cost of the synthetic leather, and is in accordance with the development tendency of synthetic leather industry, thus having a wide application prospect.
Owner:广东宏裕智汇创新科技有限公司

Pedestrian protection device

A pedestrian protecting device has a collision sensor (1), an electronic control unit (2), an elevator unit (3), an airbag (4), and a height adjustment units (5). The collision sensor (1) is provided in the front of the vehicle (100) for detecting the collision. When the electronic control unit (2) determines that the vehicle (100) collides together with a pedestrian, the electronic control unit (2) drives and lifts the elevator unit (3), the airbag (4), and the height adjustment units (5). Thus, when the elevator unit (3) lifts a bonnet (500) of the vehicle (100), The height adjustment unit (5) lowers the vehicle (100), which leads the pedestrian to the bonnet (500) to be protected by the airbag (4).
Owner:DENSO CORP

Spin hall effect-based magnetic random access memory

Disclosed is a spin hall effect-based magnetic random access memory. The magnetic random access memory is characterized in that a non-magnetic heavy metal layer, an MTJ unit and a side electrode are all cuboid columnar and are perpendicular to a circular crystal substrate surface; an upper electrode, a bottom electrode and an insulation layer are parallel to the circular crystal substrate surface;meanwhile, the free layer of the MTJ unit is in direct contact with the non-magnetic heavy metal layer; the MTJ unit and the side electrode are isolated from the upper electrode and the bottom electrode through the insulation layer; and the non-magnetic heavy metal layer is in direct contact with the upper electrode and the bottom electrode. A spin hall effect-based SOT-MARM storage unit is characterized in that when a current flows through the non-magnetic heavy metal layer, a spin current is generated based on the spin hall effect; the spin current flows through the free layer to be acted on a free layer magnetic torque in a torque form to be subjected to turnover so as to complete information writing in; and in addition, when the current flows through the MTJ unit and flows to the sideelectrode through the bottom electrode, information reading in the storage unit is completed.
Owner:XI AN JIAOTONG UNIV

Process for producing lithium ion battery negative pole material of lithium titanate

The invention relates to the preparation method of Li4Ti5O12 as the negative electrode material of Li-ion battery. The preparation method comprises the following steps: dissolving nanoscale TiO2 and Li salts in a solvent at a molar ratio of 5:4 to 5:4.5, mixing completely, drying to remove the solvent to obtain a pre-mixture, heating the pre-mixture to melt the salt, soaking for 2 to 5 h, and calcining at 600 to 1,000 DEG C for 6 to 16 h to obtain Li4Ti5O12 with spinel structure and particle diameter of 0.3 to 2 mum. The preparation method has the advantages of easily-obtained raw materials, low cost, simple preparation process, low energy consumption, easy industrial production, no generation of the three wastes, no environmental pollution, and wide application prospect. By adopting a eutectic mixture as the molten medium, the preparation method can prepare high-performance and high-dispersion nanoscale Li4Ti5O12 with high specific surface area at lower temperature.
Owner:SHANGHAI UNIV

Modified polyvinyl acetal resin

It is an object of the present invention to provide a modified polyvinyl acetal resin, which is superior in flexibility, an adhesive property to a resin substrate under high humidities, heat resistance, a thermal decomposition property, humidity resistance and toughness and has low oxygen permeability and an adequate adhesive property and is low in viscosity and high in secular stability of viscosity in forming a solution thereof, and an adhesive composition, an ink, a coating material composition, a thermal developing photosensitive material, a slurry composition for a ceramic green sheet, and a ceramic green sheet, which use the modified polyvinyl acetal resin. <??>The present invention is a modified polyvinyl acetal resin, which is obtainable by acetalizing a modified polyvinyl alcohol having ethylene in a random basis as a constituent unit of a main chain and an ethylene content of 1 to 20 mole % and a saponification degree of 80 mole % or more and, has ethylene in a random basis as a constituent unit of a main chain.
Owner:SEKISUI CHEM CO LTD

Environment-friendly water-based coloring-fluorescent dual-sensitivity osmotic agent and preparation method thereof

The invention belongs to the detection technology method for the surface discontinuity of metal and nonmetal workpieces, and particularly relates to an environment friendly water-based coloring-fluorescent double-sensitivity penetrant and the preparation method thereof. The penetrant adopts water as the primary solvent, and the other components of the penetrant mainly comprises a penetrating solvent, fatty alcohol amide, natural fatty alcohol polyoxyethylene ether, dyes, other additives, etc. The preparation method comprises the following steps: screening the raw material; metering; distributing the raw material; filtering; checking; bottling; etc. The penetrant has the advantages of high sensitivity and double-sensitivity, allows a crack with an opening width of 0.1Mum to be detected, and is applicable to observation in sunlight or under the irradiation of a black light lamp in a dark room. Since the water is adopted as the primary solvent, the penetrant has the advantages of environment friendly material, flame resistance, non-environmental pollution, safe application, low preparation cost, etc.
Owner:FUDAN UNIV

Beef cattle forage and preparation method thereof

The invention discloses a beef cattle forage and a preparation method thereof. The beef cattle forage comprises sugarcane tail leaves, peanut vine, corn stalks, rice straws, cassava stalks, corn, soybeans, peanuts, superworm powder, fish meal, salt and a growth accelerator. The growth accelerator comprises composite yeast powder, garlicin, seaweed meal, zeolite powder, sodium bicarbonate, hawthorn fruit and malt. The forage is prepared through the steps of air drying, fermentation, crushing, granulation, drying and mixing. The forage has the advantages of no medicinal residual, balanced nutritional components, increased nutrition conversion rate and utilization rate, enhanced palatability, enhancement of the appetite of enhancement, effective promotion of the healthy growth of the beef cattle, and nursing cost reduction.
Owner:李志山

Preparation method of low-surface-residual-alkali nickel cobalt manganese ternary positive electrode material

The invention relates to a preparation method of a low-surface-residual-alkali nickel cobalt manganese ternary positive electrode material and belongs to the field of chemical energy storage batteries. The preparation method includes that boric acid or citric acid is dissolved in alcohol, so that a certain amount of free-state hydrogen ions are contained in a solution; a nickel cobalt manganese ternary positive electrode material is added then, acid-alkali neutralization reaction between H+ and material surface residual alkali is utilized, and reaction intensity is regulated through stirring time, so that the residual alkali on the surface of the material can be reduced effectively, and pH value of the surface of the material is lowered; an alcohol solution is used for flushing then, so that the surface of the material is ensured to be free of residual borate ions or citrate ions; alcohol molecules probably left on the surface are removed through a two-time calcining method, so that uniformity and stability of the material are improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Lactobacillus plantarum and application thereof in rice wine brewing

The invention discloses Lactobacillus plantarum and application of the Lactobacillus plantarum in rice wine brewing and belongs to the field of food biotechnology. The bacterial strain is named Lactobacillus plantarum. The bacterial strain is obtained from rice milk in a screened mode, the bacterial strain is preserved in the China general microbiological culture collection center in September 3, 2013, and the preservation number is CGMCC No.8097. The Lactobacillus plantarum and a ready-to-use starter of the Lactobacillus plantarum can be used for rice wine brewing, so that the production process is controllable and slightly affected by seasons, operation is simple and convenient, and the Lactobacillus plantarum has important significance in the innovation of the rice wine brewing technology.
Owner:JIANGNAN UNIV +1

Carbon fiber gas cylinder detection line and carbon fiber gas cylinder detection method

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.
Owner:TECHN MONITORING CENT OF CHANGQING PETROLEUM EXPLORATION BUREAU

Method and device for measuring working fluid level of oil well

The invention relates to a method and device for measuring a working fluid level of an oil well. The method comprises the steps of generating a transient mechanical striking force; enabling a resonant cavity with liquid to generate transient free vibration under an effect of the transient mechanical striking force and forming a transient sound field in the resonant cavity; receiving a time domain waveform signal of the transient sound field; and obtaining a resonant acoustic spectrum frequency of the resonant cavity according to the transient time domain waveform signal so as to obtain a depth value of the working fluid level in the resonant cavity. By means of the method and device, disclosed by the invention, the depth value of the working fluid level is obtained through accurate measurement, the recognition difficulty of the obscure working fluid level is solved, and thus the variation of the working fluid level during the production of the oil well, in particular the situation that attachments exist on the surface of the fluid level, can be preferably monitored.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Garbage and sludge high pressure themolysis processing method, system and application thereof

The invention discloses a garbage and sludge high pressure themolysis processing method, system and application thereof. The invention carries out themolysis reaction for 5min-1.5h under the conditions of 8-80atm and 150-320 DEG C and three times of dehydration drying, not only heat value of garbage and sludge is greatly improved, dehydration, benzene removing, dechloridation, deodorization, disinfection, sterilization, volume reduction, bag breaking and degradation decomposition are carried out on garbage and / or sludge and percolation liquid is treated, and clean energy and recycled self-circulation heat are taken as heat supply energy source, energy consumption is reduced; but also method in material is rejected, so as to reduce the production probability of dioxin in garbage incineration smoke. The invention realizes garbage and sludge comprehensive reclamation, including power supply, heat supply, production of multiple organic compound fertilizers and environmentally friendly building materials and direct recovery of metal, battery and plastic. The invention can realize preparation of garbage and sludge organic compound fertilizer and feed, pre-treatment of garbage incineration generating and pre-treatment of garbage themolysis generating and has the characteristics of environmental protection, energy conservation and wide application range.
Owner:SOUTH CHINA AGRI UNIV

Construction method of tunnel waterproof and water drainage system

The invention discloses a construction method of a tunnel waterproof and water drainage system, comprising the following steps: (1) preparing raw materials on a drainage layer; (2) injecting the drainage layer; (3) injecting a waterproof layer. The drainage layer and the waterproof layer of the invention all adopt the construction technology of injection. On the basis of water conductivity function, the drainage layer also has the functions of leveling and adapting to structural deformation, the waterproof layer adopts the construction mode of instantaneous film forming by ultraspeed curing and injecting, and the formed film is an integral structure, thus realizing that the integral structure is seamless and waterproof, the injection surface is free of flow, the film surface is smooth without bubbles and the construction produces no volatile organic compounds, simultaneously greatly improving the construction efficiency and reducing the labor intensity of workers.
Owner:CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST

Stripping preparation method of graphics platinum/titanium metal thin film

This invention relates to a preparation method for peeling off patternized Pt / Ti films including: preparing a sacrifice layer on a chip, patternizing the sacrifice layer by a photoetching technology, etching the sacrifice layer at the place reserving the Pt / Ti metal film and reserving the sacrifice layer at the place where the Pt / Ti metal film is peeled off, preparing a Pt / Ti metal film on the patternized sacrifice layer and discharging the sacrifice layer to peel off a pattern of the film.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI
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