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Solvent-free organic silicon pressure-sensitive adhesive and preparation method thereof
ActiveCN102174309AReduce or eliminate the generation ofGood compatibilityAdhesivesEnd-groupSolvent free
The invention relates to a solvent-free organic silicon pressure-sensitive adhesive. The organic silicon pressure-sensitive adhesive comprises the following components in part by mass: 100 parts of polydimethylsiloxane of which the end group is alkenyl; 1 to 300 parts of polydimethylsiloxane of which the end group is hydroxyl; 1 to 50 parts of MQ resin, 1 to 30 parts of polyisobutylene, 20 to 200 parts of diluting agent, 0.1 to 5 parts of crosslinking agent and a platinum catalyst capable of curing the organic silicon pressure-sensitive adhesive. The invention also relates to a preparation method of the organic silicon pressure-sensitive adhesive. The organic silicon pressure-sensitive adhesive has the characteristics of high initial tack, long residual action, proper peeling strength, drug penetration and the like, is nontoxic, environmentally-friendly and reusable, and can be prepared into pressure-sensitive adhesive tapes, medical pressure-sensitive adhesive strips and other functional materials requiring the pressure-sensitive performance.
Owner:SHENZHEN CITY SQUARE SILICONE MATERIALS
Novel passive target skin whitening efficacy nanoemulsion for night and daylight and method of preparing the same
ActiveCN101401775AStable physical and chemical propertiesGood effectCosmetic preparationsToilet preparationsIrritationSkin whitening
The invention relates to a novel passive targeting nano emulsion with skin whitening effect and a preparation method thereof. The invention uses a novel passive targeting transdermal delivery dosing system TDDS-nano emulsion as a carrier of a function component for whitening or lighting the skin, uses different physical and chemical properties, action mechanism and actual effect of each skin whitening function component, especially the action advantages of certain novel skin whitening function components, and provides skin whitening effect nano emulsion systems with two joint applications in morning and evening matched with each other. The two joint applied nano emulsion systems not only have minimum spherical grains, extremely even distribution of nano-scale grains, remarkable passive targeting function, good transdermal absorption and strong penetrability, but also have extremely even, exquisite, smooth and glossy texture of the nano emulsion, is quite comfortable after coating on the face or the skin, has no stimulus and good stability; and the nano is light yellow, beautiful in appearance, bright and transparent, clear and crystalline, has light opalescence, and is adhesive but not sticky, thick but not heavy, oily but not greasy.
Owner:董萍 +1
Stack core of water-cooling double-section breeding nuclear reactor as well as nuclear reactor using the same
InactiveCN101299351AIncrease temperatureInclusiveNuclear energy generationShieldingNuclear reactor coreNuclear reactor
The invention belongs to the technical field of the nuclear reactor engineering, particularly to the water-cooling two-region multiplication nuclear reactor core and the nuclear reactor adopting the same, wherein the water-cooling two-region multiplication nuclear reactor core includes a fast neutron energy spectrum area adopting the coating grain sheath fuel assembly and a thermal neutron energy spectrum area adopting the dense rod bundle fuel assembly or the coating grain sheath fuel assembly. The water-cooling two-region multiplication nuclear reactor core of the invention adopts the coating grain sheath fuel assembly, which breaks through the restrain of the stainless steel shell to the outlet scream temperature, realizes the higher coolant outlet temperature, meanwhile the fast neutron core is leaked to the thermal neutron energy spectrum core constituted by the rod bundle fuel assembly dense boom at the subcritical to be multiplied.
Owner:张育曼 +1
Reactor core structure, molten-salt pebble bed reactor and fuel management and reactor core loading method of molten-salt pebble bed reactor
PendingCN109509562AMinimize Reactor Control RisksMaintain core stabilityOptical rangefindersFuel elementsNuclear engineeringMolten salt
The invention discloses a reactor core structure, a molten-salt pebble bed reactor and a fuel management and reactor core loading method of the molten-salt pebble bed reactor. An active region of thereactor core structure is provided with a charging opening located at bottom and a discharging opening located at top, the density of fuel spheres in the active region is lower than that of a molten salt in the active region, and fuel inventory capable of being contained by the active region is greater than preset fuel inventory of full-power operating days. According to the reactor core structure, the global unloading of the fuel spheres at lifespan ends can be achieved, and components achieving an online reloading function are not required, so that the device can be simple; the fuel spheres,which are subjected to global unloading at the lifespan ends, have no need of being treated one by one and directly enter a spent fuel treatment system, so that radioactivity can be lowered, the reliability of the device is improved, and thus, the purification of the fuel spheres can become simple; due to the reactor core structure, the fuel management and reactor core loading method can have anadjusting margin, and a running target is guaranteed.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
Synthetic compressor lubricant for compressing multi-component hydrocarbon mixture gas
ActiveCN101955841ASolving Dilution ProblemsReduce downtime lossesLubricant compositionHydrocarbon mixturesAntioxidant
The invention provides synthetic compressor lubricant for compressing a multi-component hydrocarbon mixture gas. The synthetic compressor lubricant consists of polyalkalene glycol synthetic oil serving as base oil and an additive. The synthetic compressor lubricant comprises the following components in percentage by weight: 90 to 97 percent of polyalkalene glycol synthetic oil, 0.05 to 2 percent of antioxidant, 0.01 to 2 percent of anti-rusting agent, 0.5 to 3 percent of oiliness agent, 0.01 to 0.5 percent of metal passivator, 0.5 to 5 percent of extreme-pressure antiwear agent and 0.001 to 0.01 percent of antifoaming agent. The synthetic compressor lubricant can resist dilution of a hydrocarbon gas to a lubricant, can adapt to the compression to the hydrocarbon gas, has good compatibility with a water vapor-containing gas mixture, and meets special requirement on the oil for a multi-component hydrocarbon mixture (such as flare gas) compressor system. The problem of dilution of the multi-component hydrocarbon mixture gas (such as the flare gas or gas) to the lubricant is successfully solved; accidents, such as stop, shaft locking and the like, of a compressor, caused by reducing of viscosity, are radically avoided; and the work stoppage loss and the worker labor intensity of enterprises are reduced.
Owner:CHINA PETROLEUM & CHEM CORP
Model training method, color difference correction method and device, medium and electronic equipment
ActiveCN109903256AHigh precisionImprove stabilityImage enhancementImage analysisImaging processingSample image
Owner:BOE TECH GRP CO LTD +1
Space debris large envelope capturing system with mechanical arms capable of being ejected out
ActiveCN106428632AInclusiveEasy to controlCosmonautic power supply systemsArtificial satellitesCushionBody type
The invention discloses a space debris large envelope capturing system with mechanical arms capable of being ejected out. The capturing system comprises a six-side cubic satellite body; solar panels are installed on the satellite body; buffer cushion surfaces are installed on the four sides, connected in sequence, of the satellite body; each buffer cushion surface comprises an air cushion and a force sensor arranged in the air cushion; the rigid-soft spliced mechanical arms are installed on the portions, at the two sides of the buffer cushion surfaces, of the satellite body; the force sensors are connected with the two rigid-soft spliced mechanical arms through ejection devices correspondingly; and each rigid-soft spliced mechanical arm comprises a soft part and a rigid claw, wherein the soft part is connected with the corresponding ejection device, and the rigid claw is connected to the front end of the corresponding soft part. According to the space debris large envelope capturing system with the mechanical arms capable of being ejected out, impact of fast moving debris can be borne, inclusivity of the soft parts of the rigid-soft spliced mechanical arms on sizes and shapes of the debris is higher, the rigid claws are easy to control, advantages of both rigid capturing and soft capturing are achieved, and the capturing effect is excellent.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Cross-platform mobile office system based on cloud end
PendingCN106056361AInclusiveSolve the pain points of enterprise managementOffice automationRights managementCommunication interface
The invention discloses a cross-platform mobile office system based on a cloud end. The system comprises a register and login module, a company public information and personnel resume module, an enterprise authentication and personal real name authentication module, an enterprise organization structure and authority management module, a message push and instant messaging interface adapter module, an office system platform access interface adapter module, an office system industry matching module, an account password-free login authorization interface module and a database adaption module. The register and login module is used for enabling enterprises and individuals to register and log in the mobile office system; the company public information and personnel resume module is used for displaying and searching company public information and personnel resume information; and the enterprise authentication and personal real name authentication module is used for real name authentication of the enterprises and the individuals. The mobile office system is based on the cloud end and can be in cross-platform use; and the office system is high in timeliness and can realize quick and efficient office work.
Owner:南京动酷网络科技有限公司
Neural machine translation method based on Multi-BiRNN encoding
ActiveCN107729326AInclusiveRich semantic informationNatural language translationNeural architecturesSemantic representationAlgorithm
The invention relates to a neural machine translation method based on Multi-BiRNN encoding. Multi-BiRNN encoding is adopted at an encoder end, that is to say that on the basis of using source languagesentences as input sequences, one or more groups of BiRNN are added to encode other input sequences associated with the input sequences; on the basis of Multi-BiRNN-encoded neural machine translation, in the encoding process of a source end, the source language sentence sequences and a dependency syntax tree thereof are considered at the same time, and serialization results of the syntax tree areobtained by means of two different traversal modes respectively and serve as Multi-BiRNN encoding input with the source language sentence sequences; at the output end of each BiRNN, a word is formedin a vector splicing mode. According to the method, vectors obtained by encoding contain more abundant semantic information, the source language sentence sequences and other sequences associated withthe source language sentence sequences are considered at the same time, and the disambiguation function is achieved in the semantic representation process of the source language sentences.
Owner:SHENYANG AEROSPACE UNIVERSITY
A rectal in-situ gel for antipyretic and preparation method thereof
The invention discloses a rectal in-situ gel for antipyretic and a preparation method thereof, which comprises the following components in terms of mass fraction: 1-20% of antipyretic drug, and 5-30% of in-situ gel matrix , 0.1-10% of tackifier, 0.1-10% of lubricant, 0.1-10% of preservative, 0.1-10% of transdermal absorption regulator, and the balance is water. The rectal in-situ gel for antipyretic provided by the present invention not only has no drug dead angle, but also enhances the adsorption capacity and prolongs the drug effect by adding bioadhesive substances, and reduces the excretion of the drug caused by the stool caused by the solid preparation; it has good Inclusiveness, it can be either a specific medicinal ingredient or an active ingredient of a traditional Chinese medicine extract.
Owner:陕西医药控股集团新药技术开发有限公司
ZrC inert matrix dispersed pellet nuclear fuel as well as preparation method and application thereof
ActiveCN107093468AImprove fault tolerance performanceImprove securityNuclear energy generationReactors manufactureVacuum furnaceReactor safety
The invention discloses ZrC inert matrix dispersed pellet nuclear fuel as well as a preparation method and application thereof and aims at solving the problems in the prior art that since thermal conductivity of an inert matrix of dispersed nuclear fuel is reduced rapidly under the irradiation condition, fault-tolerant performance is reduced and reactor safety is influenced. The ZrC inert matrix dispersed pellet nuclear fuel comprises the inert matrix, a fuel element and a fuel-free zone protective layer, wherein the inert matrix is ZrC, and the fuel-free zone protective layer is made from ZrC. The preparation method comprises the following steps: coating ZrC mixed slurry on TRISO particles by virtue of a spray deposition process to form a compact ZrC inert matrix, carrying out mould pressing on ZrC mixed powder to form a fuel-free zone biscuit, then carrying out complex pressing on the inert matrix and the fuel-free zone biscuit to form an IMDP biscuit, then sintering the IMDP biscuit in a vacuum furnace at high temperature, cooling the furnace, and then carrying out machining on a sintered billet according to the required size, so that a fuel assembly in a water reactor and a high temperature gas cooled reactor is obtained.
Owner:MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
Power transmission line tracking method and system
InactiveCN105139374ARealize tracking evaluationImprove efficiencyImage enhancementImage analysisEngineeringHough space
The invention discloses a power transmission line tracking method and system. The method comprises the steps of: utilizing a ratio operator to carrying out edge detection on an image, and obtaining an edge binary image; carrying out housh conversion on the binary image, outputting a straight line of a power transmission line, and storing hough space parameters of the currently output straight line of the power transmission line; combined with the hough space parameters of a straight line of the power transmission line, applying particle filtering for successively calculating hough space parameters of each subsequent video frame, carrying out line determination on the straight line of the power transmission line by utilizing a Bayes classifier, and obtaining a determination result indicating whether the straight line of the power transmission line is a right power transmission line. According to the invention, collected continuous video frames are used for carrying out power transmission line tracking, the detection efficiency and accuracy of the power transmission line are improved, and the Bayes classifier is utilized for carrying out line determination on the power transmission line obtained by tracking, so that the detection accuracy of the power transmission line is further improved.
Owner:TIANJIN AEROSPACE ZHONGWEI DATA SYST TECH CO LTD +1
Method for solidifying cement with radioactive fluorine-containing waste liquor
The invention relates to a method for solidifying cement with radioactive fluorine-containing waste liquor. The method comprises the following steps: S1, providing the radioactive fluorine-containing waste liquor; S2, mixing Portland cement, an additive and the radioactive fluorine-containing waste liquor according to a proportion of 1000kg: 500kg: 450L, wherein the additive is prepared from zeolite, silica fume and quartz sand according to a mass ratio of 1: 1: 3; S3, solidifying the mixture in a mould to obtain a cement solidification body. According to the method for solidifying the cement with the radioactive fluorine-containing waste liquor, the precipitation rate of radioactive elements and element fluorine is restricted by zeolite; the fluidity of cement mortar and the water segregation amount are reduced by the silica fume; the compressive strength of the cement solidification body is increased by the quartz sand. Therefore, the various indexes of the cement solidification body provided by the invention can satisfy the requirements of GB14569.1-2011 and can tolerate the element fluorine well, such that almost no element fluorine is leached out.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
Resource allocation indication method and device, base station and terminal
The present disclosure relates to a resource allocation indication method and apparatus, a base station, and a terminal. The method is applied to a base station based on a machine type communication MTC, including: limiting an allocation amount and / or an allocation position of a physical resource block PRB in a narrowband allocated by a base station to a terminal; determining the number of bits occupied by the downlink control information DCI of a PRB resource allocation indication field according to the allocated amount and / or the allocated location; and based on the number of bits, establishing a mapping relationship between the PRB resource allocation indication field and the allocation amount and the allocation location of the PRB in the narrowband. With the embodiment method adopted by the present disclosure, the space occupied by the PRB resource allocation indication field in the downlink control information DCI can be compressed.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Preparation method of DHA jellyfish egg polypeptides freeze-dry powder
InactiveCN101331951AIncrease profitIncrease added valueAnimal proteins working-upFood preparationFreeze-dryingRhopilema esculentum
The invention relates to the deep processing of jellyfish, in particular to a method for manufacturing DHA jellyfish egg polypeptide freeze-dried powder by adopting jellyfish eggs and includes the following steps: a. obtaining jellyfish eggs; b. biological composite enzymolysis; c. biological enzymatic modification; d. jellyfish egg polypeptide purification; e. low temperature concentration; f. vacuum complex formulation; g. vacuuming freeze-dried powder. The invention has the positive effects that the jellyfish egg polypeptide is formed by making use of the abandoned jellyfish egg in the jellyfish processing and adopting the technologies of composite enzymolysis and enzymatic modification; the invention refines the fish oil, lecithin, Vitamin E, taurine and chitosan through the super-membrane purification and vacuum complex formulation, vacuums and freeze-dries the jellyfish egg polypeptide freeze-dried powder rich in DHA as well as prepares the DHA jellyfish egg polypeptide freeze-dried powder with inclusion, oxidation resistance, anti-complex polymerization and edible trophism, which can alleviate physical fatigue, have the function of vasodilation, reduce the blood pressure and blood fat and enhance the immunity.
Owner:丹东海沃水产有限公司
WEB video playing method based on Adobe FlashPlayer and Jquery frame
InactiveCN104883614AInclusiveWill not cause playback turmoilSelective content distributionTime parameterVideo streaming
The invention provides a WEB video playing method based on Adobe FlashPlayer and a Jquery frame. The method includes following steps: step 1, obtaining video information from a server according to a user instruction; step 2, loading and playing a video streaming according to the video information; and step 3, searching corresponding video data according to jump playing time parameters and playing the video data if a progress bar is dragged. The method facilitates user usage.
Owner:FUJIAN HONGTIAN INFORMATION IND
Sports shoe sole material
The invention discloses a sports shoe sole material. The elasticity of a sports shoe sole prepared by virtue of the technical scheme of the invention is 71 percent, the heat shrinkage rate is 1.2 percent, the compression deformation rate is 30 percent, the hardness is 50 degrees, and the density is 0.18 g / cm3. The sports shoe sole material formula consists of the following components by weight percent: 40 to 50 percent of vinyl-vinyl acetate copolymer (the content of VA is 26 percent); 15 to 25 percent of vinyl-vinyl acetate copolymer (the content of VA is 40 percent), 20 to 30 percent of vinyl-octylene copolymer, 10 to 15 percent of EPDM, 1 to 1.5 percent of transparent zinc oxide, 0.4 to 0.6 percent of stearic acid, 3.5 to 4.5 percent of white foaming agent, and 0.4 to 0.6 percent of cross-linking agent.
Owner:QIAODAN SPORTS CO LTD
Cement mortar for fixing low-medium level radioactive sundries and preparation method thereof
The invention discloses cement mortar for fixing low-medium level radioactive sundries and a preparation method thereof, solving the problem that in the prior art, performance of the cement mortar is very difficult to meet a current standard EJ1186-2005. The cement mortar for fixing provided by the invention comprises water, ash, sand and additive, wherein the ash comprises the following materials in percentage by weight: 6%-12% of coal ash, 3%-10% of silica fume and the balance of cement; the weight ratio of the water to the ash is 0.25-0.3, the weight ratio of the sand to the ash is 0.2-0.4, and the weight of the additive is 0.4%-1.25% of that of the ash. The cement mortar prepared according to the preparation method provided by the invention has average compressive strength of more than 70MPa, fluidity of more than 400mm and anti-permeability of far below 2500C, and meets requirements of the current standard EJ1186-2005; and test raw materials are cheap and prone to acquire, so that the cement mortar is strong in economy, and very applicable to popularization for use.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Magnetic therapy aid-sleeping latex pillow
The invention discloses a magnetic therapy aid-sleeping latex pillow. The magnetic therapy aid-sleeping latex pillow comprises a pillow inner including a magnetic therapy layer, a traditional Chinese medicine layer and a main latex body layer from the top to the bottom. Multiple permanent magnets are arranged in the magnetic therapy layer and are neatly arrayed in a homopolar manner and in the same direction. The traditional Chinese medicine layer is filled up with traditional Chinese medicine components having aid-sleeping effect. The upper surface of the main latex body layer is of a curved structure having a sunken middle part and two protrusions on two sides. The main latex body layer has the upper and a lower surface. The position, where the main latex body layer is located in the middle portion of on a transversely-upward first side, is provided with a neck-protecting structure which is a groove having a gentle inclined surface formed by connection between a rectangular or circular-arc the upper surface and a circular-arc lower surface. Honeycomb-shaped breathable structures are uniformly arranged on the upper surface of the main latex body layer.The magnetic therapy aid-sleeping latex pillow has following beneficial effects: magnetic therapy is effectively carried out when a human body sleeps; the head and the neck can be supported; and the magnetic therapy aid-sleeping latex pillow can relieve fatigue and release pressure in order to improve sleep quality.
Owner:孔静波
Real-time video streaming character positioning method based on heterogeneous image computing
InactiveCN104794469AThe calculation result is accurateInclusiveCharacter and pattern recognitionImage basedHistogram equalization
Owner:TONGJI UNIV
Preparation method of water-soluble high-molecular cyclodextrin polymer
InactiveCN106589169AStrong inclusion abilityHigh molecular weightSolubilityNucleophilic substitution
The invention discloses a preparation method of a water-soluble high-molecular cyclodextrin polymer, and belongs to the field of chemical modification of cyclodextrin. The method comprises the following steps: activating hydroxyl groups in alkaline environment, and carrying out nucleophilic substitution on chloropropylene oxide and a hydroxyl group activated solution used as a nucleophilic agent; terminating the above reaction when the reaction time is reached; and adjusting the obtained reaction system to be neutral, carrying out alcohol precipitation and water washing purification on the obtained product, and drying the purified product to obtain the water-soluble high-molecular cyclodextrin polymer. The obtained cyclodextrin polymer has high weight average molecular weight reaching 10<7> Da, and has high water solubility of 500 g / L or above, so the cyclodextrin polymer obtained in the invention is better than reported cyclodextrin polymers. The cyclodextrin polymer structurally reserves the cavity of cyclodextrin, also has high-molecular effects, has strong inclusion capability to guests, and has high practical values in the field of insoluble substance solubilizing.
Owner:JIANGNAN UNIV
Mobile rural garbage treatment equipment distribution method based on DEA and nuclear density
PendingCN113762793AInclusiveImprove the environmentGeometric CADRefuse transferringNuclear physicsGarbage collection
The invention relates to a mobile rural garbage treatment equipment distribution method based on DEA and nuclear density, in particular to the mobile rural garbage treatment equipment distribution method. The invention aims to solve the problem of low garbage collection efficiency and treatment efficiency caused by non-uniform distribution of garbage transfer stations in the existing method. The method comprises the following steps: 1, determining the positions of a garbage collection point, a transfer point and a treatment end point; 2, calculating the garbage amount of the garbage collection point; 3, establishing a waste transfer station evaluation index system; 4, collecting data required by evaluation of the garbage transfer station; 5, operating the DEA model to obtain the DEA pretreatment efficiency of each garbage transfer station in the region; 6, obtaining a fuzzy superposition graph; 7, opening ArcScene software, and adding the fuzzy superposition graph to obtain a three-dimensional kernel density analysis graph; and 8, on the basis of the three-dimensional kernel density analysis chart, carrying out supplementary stationing configuration on the mobile rural garbage treatment equipment. The method is applied to the field of garbage treatment equipment distribution.
Owner:HARBIN INST OF TECH
Fluorescent RT-PCR reagent and method for detecting influenza A virus, influenza B virus and coronavirus SARS-CoV-2
InactiveCN112410469AAvoid risk of failureAvoid temperatureMicrobiological testing/measurementMicroorganism based processesFreeze-dryingLate gene
The invention provides a freeze-dried type multiple fluorescent RT-PCR reagent and a method for detecting and distinguishing influenza A virus, influenza B virus and coronavirus SARS-CoV-2. Primers and probes of the fluorescent RT-PCR reagent for detecting the influenza A virus, the influenza B virus and the coronavirus SARS-CoV-2 provided by the invention are obtained by designing and screening based on the latest gene sequence information of the influenza A virus, the influenza B virus and the coronavirus SARS-CoV-2 in a public gene sequence database, and the reagent has good inclusivity, specificity and reaction performance. According to the reagent, a human RNase P nucleic acid fragment is used as a detection internal reference. In addition, the fluorescent RT-PCR detection reagent forthe influenza A virus, the influenza B virus and the coronavirus SARS-CoV-2 is prepared into a freeze-dried form capable of being stored at normal temperature through freeze-drying technology, thus avoiding the risk that the conventional liquid fluorescent PCR detection reagent is invalid due to the change of storage temperature or repeated freezing and thawing, and the transportation and management cost is reduced.
Owner:深圳市赛格诺生物科技有限公司
Solvent-free organic silicon pressure-sensitive adhesive and preparation method thereof
ActiveCN102174309BReduce or eliminate the generation ofGood compatibilityAdhesivesEnd-groupSolvent free
Disclosed is a solventless silicone pressure sensitive adhesive, comprising: 100 parts by mass of a polydimethylsiloxane having an alkenyl group as an end group; 1 to 300 parts by mass of a polydimethylsiloxane having a hydroxyl group as an end group; 1 to 50 parts by mass of MQ resin; 1 to 30 parts by mass of polyisobutylene, 20 to 200 parts by mass of a diluent; 0.1 to 5 parts by mass of a crosslinking agent and a platinum catalyst capable of solidifying the silicone pressure sensitive adhesive. Also disclosed is a preparation method for the silicone pressure sensitive adhesive. The silicone pressure sensitive adhesive disclosed has the characteristics of good initial tackiness, long effectiveness, suitable peel-off strength and good drug permeability, is non-toxic and environmentally-friendly, is capable of repeated use, can be made into pressure sensitive adhesive tapes, pressure sensitive adhesive strips for medical use, as well as other functional materials where such pressure sensitive properties are required.
Owner:SHENZHEN CITY SQUARE SILICONE MATERIALS
Elastic internal clavicle fixator
InactiveCN106580412AAvoid Compression TrendsInclusiveInternal osteosythesisBone platesStress concentrationAcromion
The invention discloses an elastic internal clavicle fixator composed of a clavicle distal steel plate body, an elastic arm with an upswept angle, and elastic plates attached to the steel plate body, with the clavicle distal steel plate body and the elastic arm integrally formed; when the elastic arm is inserted to a position slightly to the lower rear of acromion, clavicle is downwardly reduced by pressing down the fixator, whether to restore the clavicle length through a slide relief hole or not is determined according to shortening condition of a fracture segment, a distal facture bone piece is fixed through clavicle distal locking holes, and a proximal fracture end is firmly fixed through proximal large locking holes. In this way, stress of the fracture end is transferred to the acromion through the elastic arm, reduction loss can be prevented, micro motion function of the acromioclavicular joint can also be retained, the elastic plates can control the rise of the distal end of clavicle and can also self-deform to absorb stress or disperse the stress to the whole elastic arm, stress concentration is prevented, and elastic fixation is finally achieved.
Owner:谢志进
Radioactive waste solidification base material and preparation method of solidified glass
PendingCN110335695AStable chemical and physical propertiesStrong weather resistanceRadioactive decontaminationIgneous rockRadioactive waste
The invention discloses a radioactive waste solidification base material and a preparation method of solidified glass. The invention is characterized in that: the radioactive waste solidification basematerial is natural magmatic rock, which mainly comprises the following components by weight percentage: 45%-65% of SiO2, 9%-18% of Al2O3, 4%-12% of CaO, 3%-10% of MgO, 6%-16% of Fe2O3+FeO, 2%-9% ofNa2O+K2O, 1%-5% of TiO2, and the balance 1%-5%. The preparation method includes: adding simulated radioactive waste into natural magmatic rock, performing powder milling, conducting melting at 1400-1500DEG C for 3-4.5h, and carrying out molding, annealing and cooling, thus obtaining solidified glass. The radioactive waste solidified glass prepared from the radioactive waste solidification base material provided by the invention has good chemical stability and thermal stability, obvious solidification effect and low weight loss rate of simulated radioactive waste elements.
Owner:SOUTHWEAT UNIV OF SCI & TECH
Linkage double hoisting mechanisms of tower crane and speed regulating method
ActiveCN103803434AMeet the length requirementInclusiveWinding mechanismsCranesArchitectural engineeringReducer
The invention discloses linkage double-hoisting mechanisms of a tower crane and a speed regulating method. The tower crane is provided with the two hoisting mechanisms, wherein one hoisting mechanism comprises a single-speed electric motor, a speed reducer I and a winding drum I, the other hoisting mechanism comprises a double-speed electric motor, a speed reducer II and a winding drum II, the winding drum I and the winding drum II are respectively wound with a plurality of steel wire ropes, the steel wire ropes wind around steering pulleys, load-trolleys and lifting hooks of arm ends of the hoisting mechanisms respectively, and the single-speed electric motor, the double-speed electric motor and a controller are connected. The two hoisting mechanisms are used, the steel wire ropes string the two winding drums, the lifting hooks and the load-trolleys of the tower crane, more steel wire ropes can be contained, and requirements of the tower crane for the lengths of the steel wire ropes are met. The hoisting mechanisms at two different steel wire rope linear speeds are adopted, and speed regulation can be easily achieved through combination of the speeds.
Owner:SHANDONG DAHAN CONSTR MACHINERY
Method for measuring combination strength of investment casting shells
ActiveCN103196755BPrecise positioningThe real reaction layer combinationPreparing sample for investigationMaterial strength using steady shearing forcesWaxInvestment casting
The invention discloses a method for measuring combination strength of investment casting shells. The method comprises the following steps of: (1) gradually preparing a multi-layer shell I in a wax mould recess, and grinding the part not being filled by the shells I on the upper part of the recess to make the depth of the recess be equal to the average thickness of the shells; (2) splicing wax moulds to form a wax mould III provided with a recess and utilizing the shells I and a wax plate as bottom surface, and gradually preparing a multi-layer shell II in the recess; (3) clamping a step-shaped shell obtained by dewaxing or roasting in a mould of a universal tester, locating the shell by the cooperation of fillers, baffles and upper and lower moulds with the universal tester, and measuring the combination strength of the layers; and (4) calculating shear strength T through critical load F and shearing area A, T is equal to F / A. The method for measuring combination strength of investment casting shells disclosed by the invention can be used for accurately locating the combination surface of the layers of the shell to directly measure the combination strength of the layers, the preparation of the shell is in accordance with the actual condition, the reliability is strong, the operation is simple, and the problem that the combination force of the investment casting shells is difficult to evaluate is solved.
Owner:TSINGHUA UNIV
Ship-shore connection system-based big data information transmission mode
PendingCN112820095ANot lostMeet individual requirementsElectric signal transmission systemsNon-electrical signal transmission systemsData packModem device
The invention belongs to the technical field of data transmission communication and relates to a ship-shore connection system-based big data information transmission mode. The ship-shore connection system-based big data information transmission mode comprises a ship-side data workstation, a shore-side data workstation, a first NEC data transmission modem, a second NEC data transmission modem, an optical fiber connection carrier and an SSL communication system; ship-shore communication is adopted as a carrier of big data exchange, and the network construction platform technology of the ship-shore communication is mature and convenient, good in compatibility and strong in universality, and can be suitable for various ships, platforms and oil gas terminals; the personalized requirements of customers can be met, the inclusiveness of transmitted data is wide, and the selectivity is high; the later maintenance cost is low, reading can be achieved just by decoding data through a photoelectric conversion module, most importantly, safety is high, interference of severe electricity and electromagnetic waves is avoided; and the data can be stored in real time, and even if connection is cut off in an emergency, the transmitted data cannot be lost.
Owner:上海中远船务工程有限公司
Lower limb rehabilitation mechanical leg with adjustable height
ActiveCN109330824AReduce riskGuaranteed service functionChiropractic devicesSagittal planeEngineering
The invention discloses a lower limb rehabilitation mechanical leg with an adjustable height. The mechanical leg comprises a rack assembly and a hip joint assembly, the rack assembly comprises a basepanel and a rack side plate, the rack side plate is provided with a U-shaped groove with an upper opening and a lifting and lowering guiding rail, the hip assembly comprises a lower installing plate,an upper installing plate, a lifting and lowering electric push rod and a hip joint power assembly, the hip joint assembly further comprises a lifting and lowering sliding block, the lifting and lowering sliding block fits with the lifting and lowering guiding rail, the hip joint power assembly comprises a bearing seat, a hip reducer, a bearing end cap, a reducer connecting plate, two positioningblocks, a hip joint limiting block and a hip joint output shaft, and the hip joint output shaft extends out from the U-shaped limiting groove to be connected with a thigh joint assembly. According tothe mechanical leg, the height is adjustable, the thigh part of the rehabilitation leg can be rotated for 180 degrees on a sagittal plane, and the function of performing alternate rehabilitation training of left and right legs of a patient using a rehabilitation mechanical leg is achieved.
Owner:YANSHAN UNIV
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