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Open power system numerical simulation system and method based on cloud technology
InactiveCN103246546AFlexible operationGuaranteed uptimeResource allocationTransmissionResource poolElectric power system
The invention relates to open power system numerical simulation system and method based on cloud technology. A client submits a service request to a cloud dispatching center and acquires a specific service only after submission succeeds, and the service is provided by a selected resource device in a resource pool. A task allocation strategy of the cloud dispatching center is based on provided computer available computing power indexes, load of the resource devices in the resource pool is balanced, and idle hardware resources are shared for the resource provider with no effect on self-operation, and a software computing engine also has the advantage of convenience in maintenance and updating. Therefore, the open power system numerical simulation system based on cloud theory has the advantages that efficiency and flexibility in secondary development of power system advanced analysis programs can be improved greatly, and utilization rate of various hardware and software resources can be increased further.
Owner:SHANDONG UNIV
Molecular marker for identifying amur sturgeon germplasm and application of molecular marker
ActiveCN105063192AThe experiment is accurate and fastSimple and fast operationMicrobiological testing/measurementDNA/RNA fragmentationGermplasmSturgeon
The invention provides a molecular marker for identifying amur sturgeon germplasm and a method for identifying amur sturgeon germplasm by virtue of the molecular marker. Amur sturgeon or a finished product thereof can be directly identified through sequence alignment on the basis of an interspecific sequence difference of an fzd8 gene segment obtained from PCR amplification of a specific primer between the amur sturgeon and other sturgeons. The molecular marker disclosed by the invention, which is used for analyzing and identifying an SNP site on the fzd8 nuclear gene segment screened from acipenseridae fishes, has the advantages of being accurate in experiment, reliable and rapid in identification, convenient and simple in operation, and the like.
Owner:CHINA THREE GORGES CORPORATION +1
Bacterial strain for producing lycopene and application of bacterial strain
ActiveCN103243066AImprove the ability to produce lycopeneIncrease productionBacteriaMicroorganism based processesLycopene synthesisBacterial strain
The invention discloses a bacterial strain for producing lycopene and an application of the bacterial strain, and belongs to the field of synthetic biology. The bacterial strain for producing lycopene contains a mevalonate pathway and a related gene which is synthetized by the lycopene optimized by a codon; and the synthetic gene sequence of the lycopene optimized by the codon is shown in SEQ ID NO.1-3. The bacterial strain can be used for producing the lycopene; and a seed solution of the bacterial strain is inoculated into a culture medium containing a carbon source to carry out prokaryotic expression, so as to obtain the lycopene. The gene synthetized by the lycopene is optimized by the codon or each protein of the mevalonate pathway is closer to A to B:ERG13:tHMG1:ERG12:ERG8:MVD1:Idi=1:10:2:5:5:2:5; and production of the lycopene can be further promoted. By adopting the bacterial strain, the yield of the lycopene can be greatly improved to over 1g / L; and the fermentation cycle is shortened by over 50%.
Owner:WUHAN UNIV
Methods and apparatus for model parallelism in artificial neural networks
PendingUS20190188570A1Simple and efficientImprove responseProgram initiation/switchingResource allocationAutomatic controlNerve network
The method according to an embodiment comprises automatically controlling allocation, to memories of available hardware resources, of parameters defining computational operations required to calculate an output of at least one layer of neurons of an artificial neural network. The allocation is controlled on the basis of previously-defined allocation data specifying how the operations required to calculate the output of the one layer of neurons are to be allocated to hardware resources to perform the operations. The allocation data is pre-defined using, at least partly, an automatic computer-implemented process, which may include checking before each iteration of the network which of the hardware resources are available to execute that iteration of the network and, if necessary, re-defining the allocation data for that iteration accordingly
Owner:FUJITSU LTD
Multi-cycle alternating stress cap rock simulation apparatus
InactiveCN103487326AAccurate recordExperiment fastMaterial strength using tensile/compressive forces
The invention relates to a multi-cycle alternating stress cap rock simulation apparatus, and mainly aims to provide an experimental apparatus for researching that a gas breaks through a rock sample. The apparatus is characterized in that the apparatus is formed by connecting a gas bottle, an air compressor, a gas booster pump, a data acquisition system, a liquid injection pump, a pressure regulating valve, a gas storage tank, a strain detector, a rock core holder, a thermotank, a ring tracking pump, a pressure loading device, a bubble detector, an erlenmeyer flask, an electronic balance and a vacuum pump through a pipeline; an axial pressure is applied to the rock core holder through an axial pressure inlet end on the rock core holder by the pressure loading device in order to stimulate the strata pressure; the rock core holder is positioned in the thermotank, foil gauges are fixed in the periphery of a rock core; and a fiber receiver which can cooperate with a correlation fiber sensor is arranged in the bubble detector. The experimental apparatus can accurately record the cap rock breakthrough pressure, and is helpful for completing the multi-cycle alternating stress cap rock sealing performance evaluation of underground gas storages.
Owner:LANGFANG BRANCH INST OF RES INST OF GASOLINEEUM EXPLORATION & DEV OF PETROCHINA +1
Refractory material slag resistance test device
InactiveCN101762450ASimple and efficient operationHigh degree of automationWeather/light/corrosion resistanceCorrosionTemperature measurement
The invention provides a refractory material slag resistance test device, which mainly comprises a reaction gas cylinder, a gas valve, a gas purification device, a heating furnace, a crucible, slag, a refractory material sample, a sample rotating suspender, a photoelectric rotating device, a tail gas processing device, a lifting mechanism, a temperature control thermocouple, a temperature measurement thermocouple, a computer control system and the like. In the test process, the refractory material sample is made by a certain size and fixed on a disc type test tray, the slag is put in the crucible, the crucible is placed in a heath, a computer is started to run a temperature raising program, a protective gas is introduced, the refractory material sample is placed in the slag by the lifting device after the slag is completely melted, the rotating device is started, the computer controls the rotating speed of the rotating device, the refractory material sample is rotated in the slag to perform dynamic corrosion simulation, the rotating device is stopped at a preset time, the sample is taken out by the lifting device, and the corrosion condition of the sample is observed.
Owner:KUNMING IRON & STEEL +1
Magnetic Attachment Device For Releasably Attaching An Article To A Button
ActiveUS20150366297A1Precise positioning and alignmentExperiment fastSnap fastenersScarvesRotational axis
A magnetic attachment device for releasably attaching an article to a button on shirts, blouses, and the like. The magnetic attachment device comprising: (a) a button cover for a button secured to an article, said cover comprising a cap having an unobstructed interior and an open side for receiving a button therein, and a closure plate rotatably attached to said cap about a rotational axis between an opened and closed position with respect to said open side of said cap, wherein said button cover comprises a magnetic member; and (b) an article comprising a magnetic member, wherein upon contacting said magnetic member of said article and said magnetic member of said button cover provides a magnetically attractive force which is sufficient to attach said article to said button cover.
Owner:TAETZSCH ROY S
Sampling device, system for carrying out field sampling in oil field, method and application thereof
ActiveCN102052075ALarge diameterSmall dead volumeWithdrawing sample devicesBorehole/well accessoriesEngineeringBottle
The invention belongs to the field of development of oil and gas wells, and relates to a wellhead sampling device, in particular to a wellhead sampler designed for the characteristic of gas field environment containing high content of H2S / CO2, and a sampling system thereof. The sampling device comprises a sampling valve, a sampling bottle and a pressure reducing valve, wherein two ends of the sampling bottle are in threaded connection with the sampling valve; the external connection of the sampling valve is external-thread clamping sleeve type connection; the pressure reducing valve is used for carrying out pressure reduction and sample injection on high-pressure gas in the sampling bottle; the pressure reducing valve comprises an outer conveying sample injection port which is connected with an outer detector; and the outer conveying sample injection port is a clamping sleeve type connection port so as to eliminate dead angles of pipelines. In the invention, the field sampling for analysis is achieved, the result of experimental analysis has good consistency, the device is safe and reliable, and the corrosion resistance to H2S / CO2 is strong. In the gas field sampler disclosed by the invention, the sampling process is safer, the experimental process is more precise and faster, the applicable pressure range is wider, and more safety is achieved.
Owner:CHINA PETROLEUM & CHEM CORP +1
Full-automatic western blot treatment device and system
The invention relates to the western blot treatment system treatment technology field, and especially discloses a full-automatic western blot treatment device. The device comprises a rack. A sample table is arranged on the rack, a plurality of incubation boxes are arranged on the sample table, and the incubation boxes are used for containing experimental samples. A sample adding channel is formedbetween each incubation box and external experimental liquid, and the external experimental liquid flows into the incubation boxes through the sample adding channel for experiments. The sample addingchannel includes a liquid path. The liquid path includes a liquid path pipeline, a driving pump and a liquid path monitoring module. The sample adding channel further includes a front-end needle headand a rear-end needle head, one end of the front-end needle head is connected with the liquid path pipeline, the other end is inserted into an external reagent bottle. One end of the rear-end needle head is connected with the liquid path pipeline, and the other end of the rear-end needle head is connected to the incubation boxes. The invention further discloses a treatment system applying the treatment device. In the invention, functions of automatic sample adding, automatic recovery, automatic cleaning, automatic incubation and the like can be realized.
Owner:GUANGZHOU BLT INSTR & METER
Magnetic attachment device for releasably attaching an article to a button
ActiveUS9433257B2Easy to receiveExperiment fastScarvesClothes buttonsRotational axisElectrical and Electronics engineering
A magnetic attachment device for releasably attaching an article to a button on shirts, blouses, and the like. The magnetic attachment device contains: (a) a button cover for a button secured to an article, the cover contains a cap having an unobstructed interior and an open side for receiving a button therein, and a closure plate rotatably attached to the cap about a rotational axis between an opened and closed position with respect to the open side of the cap, wherein the button cover contains a magnetic member; and (b) an article containing a magnetic member, wherein upon contacting the magnetic member of the article and the magnetic member of the button cover provides a magnetically attractive force which is sufficient to attach the article to the button cover.
Owner:TAETZSCH ROY S
Experimental system for testing storage tank fire performance
ActiveCN106841508AFast burning testComprehensive collectionChemical analysis using combustionCombustionEngineering
The invention provides an experimental system for testing the storage tank fire performance. The experimental system comprises an experimental device and a testing device. The experimental device is used for performing a storage tank fire combustion experiment, and the testing device is used for testing tank fire combustion performance parameters. The experimental system can rapidly perform fire combustion experiments of storage tanks which are of various sizes and contain various types of fuel, various specified parameters can be continuously collected in real time, and the basis is provided for profound and comprehensive research of the storage tank fire performance.
Owner:CHINA PETROLEUM & CHEM CORP +1
Dynamic loop microwave auxiliary clear-up device
InactiveCN101226119ASimple structureEasy to manufacturePreparing sample for investigationPeristaltic pumpMicrowave
The invention relates to a dynamic circulation microwave auxiliary digestion instrument, which is composed of a microwave source (1), a microwave resonant chamber (2), a peristaltic pump (3), an accumulator (4) and a test solution pipe (5), wherein the peristaltic pump (3) pumps the test solution in the accumulator (4) into the test solution pipe (5) which has a coil pipe structure (23) in the microwave resonant chamber (2), the test solution in the coil pipe (23) is digested via coupled microwave and flows back to the accumulator (4). The invention has the advantages that the invention can significantly accelerate digestion reaction which is hard to process at normal temperature or needs long reaction time, as the digestion reaction of COD content test in waste water. The COD digestion of national standard method needs 2h at high temperature, while the inventive method only needs several minutes. The invention can be combined with checker or analysis technique, with better extension and wide application.
Owner:JILIN UNIV
Vacuum dual-chamber high temp, quenching furnace
InactiveCN100999776AReduce lossAvoid pollutionFurnace typesHeat treatment furnacesCooling chamberQuenching
The present invention belongs to the field of solidification and heat treatment apparatus, and is especially one kind of vacuum double chamber quenching furnace. The main structure of the vacuum double chamber quenching furnace includes a double-layer water cooled heating chamber, a quenching cooling chamber, a vacuum pumping system, a coolant chamber, a coolant collecting chamber, and a movable sample setting mechanism. There are one graphite heater coated with Al2O3 or CaZrO3 inside the double-layer water cooled heating chamber, refractory material outside the graphite heater, one temperature thermocouple in the center of the graphite heater, etc. The vacuum double chamber quenching furnace is used mainly for preparing quenched sample and has the features of high sample heating temperature, no contamination on the sample, etc.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Small molecule substrate based enzyme activity assays
InactiveUS20060134696A1Experiment fastImprove efficiencyMicrobiological testing/measurementLibrary screeningChemical reactionWhole cell lysate
The invention relates to a method of high throughput chemical analysis comprising the steps of combining one test compound with a solution comprising m enzyme(s) and n substrate(s), wherein m is an integer equal to one or greater, n is an integer equal to one or greater, and m+n≧3, incubating for a period of time said test compound within said solution, separating the chemical species in said combined solution by a chromatography step after said incubating step, and measuring the relative amounts of substrates and separately identifiable products produced therefrom by a chemical reaction catalyzed by said enzymes. The present SMSBEA assays are particularly well suited to enzyme-substrate systems in which both the substrate(s) and product(s) have mobilities such that they can be separated on short chromatography columns. The method of the invention is also particularly well suited to HTS applications in which an enzyme agonist or antagonist is sought. An advantage of the method is that the effects of a test compound on several enzymes may be analyzed simultaneously and without substantial purification of the enzyme solution, e.g., whole cell lysates.
Owner:CYTONOME INC
Cell observation experimental method and device thereof
InactiveCN101135650AEasy to trainConvenient experimentMicrobiological testing/measurementMaterial analysis by optical meansExperimental methodsFeedback control
Said apparatus comprises: a microscope, an image capturing device, a computer, a micro-pressure controller and a chip. In said chip, there are micro channels; said computer is connected to the port of image capturing unit through communication bus; the image capturing unit is connected to the microscope; the chip is placed on the object table; said micro-pressure controller is connected to each out-connection port of the chip micro channels via pneumatic pipeline; the micro-pressure controller is connected to the computer.
Owner:彭兴跃
Combined detection kit for human tumor gene mutation
ActiveCN106636442AHigh sensitivityHigh detection sensitivityMicrobiological testing/measurementHuman tumorFluorescence
The invention provides a combined detection kit for human tumor gene mutation. The combined detection kit comprises the following parts: an EGFR (Epidermal Growth Factor Receptor) gene primer group, a KRAS gene primer group, a BRAF (serine-threonine kinase) gene primer group, an NRAS gene primer group, a PIK3CA (Phosphatidylino-sitol 3-kinases) gene primer group, a HiFi enzyme, a PCR (Polymerase Chain Reaction) reaction solution, a digestive enzyme, ligase, a ligation buffering solution, a ligation joint, a fluorescent probe, a Taq enzyme of QPCR (Quantitative Polymerase Chain Reaction) reaction, a QPCR primer and a QPCR reaction solution. The combined detection kit provided by the invention can be used for simultaneously detecting mutant sites of a plurality of driving genes of human tumors, including one or more gene mutant sites of EGFR, NRAS, KRAS, PIK3CA and BRAF; an experiment result has high sensitivity and the mutation rate of 1 percent can be detected; the detection sensitivity is greatly improved and the difficulties in the prior art are overcome; meanwhile, requirements on large-batch and rapid detection are met through a whole experiment process.
Owner:浙江绍兴鼎晶生物医药科技股份有限公司
Blast furnace coal spraying-iron ore sintering experiment simulation device
ActiveCN107190113AControl heating rateImprove accuracyBlast furnace detailsCombustionIron ore sintering
The invention belongs to the technical field of metallurgy chemical engineering and particularly relates to a blast furnace coal spraying-iron ore sintering experiment simulation device. The blast furnace coal spraying-iron ore sintering experiment simulation device comprises a coal powder combustion furnace, a sintering furnace, a hot air furnace communicating with the coal powder combustion furnace or the sintering furnace, a support moving the hot air furnace to communicate with the coal powder combustion furnace or the sintering furnace, a control and data collection system connected with the coal powder combustion furnace, the sintering furnace and the hot air furnace, and an air cylinder supplying air to the control and data collection system. Through the blast furnace coal spraying-iron ore sintering experiment simulation device provided by the invention, the function that coal powder-hot air continuous combustion and iron ore hot air sintering are simulated simultaneously is achieved, the experiment device utilization ratio is increased, device cost is lowered, and the practical application problems that the occupied area is large, the area of a laboratory is limited, and an experimental device is inconvenient to move are solved.
Owner:WUHAN UNIV OF SCI & TECH
Immumofluorescent antibody labeling method of cotton tender tissue microtube framework
InactiveCN106771129AEasy to rise and breakAvoid damageMaterial analysisImmunofluorescenceFluorescein
The invention provides an immumofluorescent antibody labeling method of a cotton tender tissue microtube framework. The method comprises the following process steps: performing fixation by a fixing liquid; performing dehydration; freezing a microtome section; removing non-specific fluorescence; and performing immunolabelling; performing section sealing and the like. The method provided by the invention combines fluorescein with the microtube framework at the cotton tender tissue to immunolabel the cotton tender tissue microtube framework so as to observe changes of the cotton tender tissue microtube framework in the tissue level and research resistance of cottons to non-biological adversity stress and resistance of cottons on plant diseases and insect pests. The method provided by the invention is simple in step, easy to master, clear in result and suitable for observing the cotton tender tissue microtube framework, and also has certain reference value in observing other plant tender tissue microtube frameworks.
Owner:INST OF IND CROPS HENAN ACAD OF AGRI SCI
Numerical simulation open-type application program interface of electric power system
ActiveCN102750183AIncrease opennessIncrease flexibilityMultiprogramming arrangementsTransmissionElectric power systemParameter Type
The invention discloses a numerical simulation open-type application program interface of an electric power system, namely a network structure based on a C / S (Client / Server) mode. The interaction between a client side and a server end is realized by virtue of a message packing unit, a message transmission unit and a message analysis unit which are arranged at the client side and the server side, wherein the message packing unit is in charge of managing and packing a message required to be sent according to a unified format; the message transmission unit is in charge of transmitting the packaged message to a receiving terminal through a TCP / IP (Transmission Control Protocol / Internet Protocol); and the message analysis unit is provided with a normalized function table and used for looking up the received message, determining a function and thus processing parameters or return values in the message, wherein the structure of the function table is as follows: function name | parameter number | each parameter type | return value number | each return value type. The network structure based on the C / S mode can be used for realizing the function separation of a user and software, so that the user (the client side) can concentrate on the development the of an advanced analysis function, a software calculation engine (the server end) can be applied more efficiently and maintained and updated simpler and more conveniently, and therefore, the open-type structure can be used for greatly improving the efficiency and flexibility of developing the advanced analysis function of the electric power system.
Owner:SHANDONG UNIV
Method for detecting sulfate content by conductivity titration
The invention discloses a method for detecting sulfate content by conductivity titration. The method comprises the following steps of: step 1, taking a to-be-detected aqueous solution sample having asulfate concentration of less than or equal to 100 ppm; step 2, adding an excess barium chloride standard solution into the to-be-detected aqueous solution sample to obtain a mixed system; step 3, adding a dispersing agent into the mixed system, then adding hydrochloric acid or nitric acid to adjust the pH value to 5-8 to obtain a treated to-be-detected aqueous solution sample; step 4, performingtitration on the treated to-be-detected aqueous solution sample by taking a standard solution of soluble sulfate as a titrant, and recording the titration curve of the relationship of the conductivityand the total titration volume after each titration; step 5, stopping the titration when the conductivity of the treated to-be-detected aqueous solution sample increases linearly with the addition ofthe standard solution of soluble sulfate to obtain a volume V2 of the standard solution of the soluble sulfate consumed corresponding to the titration end point; step 6, calculating the concentrationof sulfate in the to-be-detected aqueous solution sample.
Owner:XIAN THERMAL POWER RES INST CO LTD
Internal transcribed spacer (ITS2) molecular marker identifying method for aquaculture of catfish hybrids
InactiveCN102758022AAccurate resolutionExperiment fastMicrobiological testing/measurementBiotechnologyMicrobiology
The invention relates to an ITS2 molecular marker identifying method for aquaculture of catfish hybrids. Southern catfishes, catfishes and hybrids of the southern catfishes and the catfishes serve as objects of study, ITS2 gene sections in catfishes are selected to serve as molecular markers, the length difference the IST2 gene sections of the southern catfishes and the catfishes, and the southern catfishes, the catfishes and hybrids of the southern catfishes and the catfishes are identified successfully. The method has the advantages of being fast in experiment, convenient to operate, visual in identification and free from sequencing.
Owner:TONGWEI
Device and method for observing insect movement and heat distribution
InactiveCN107677253AAchieve observationDoes not affect physical functionPhotogrammetry/videogrammetrySensing radiation from moving bodiesEngineeringObservability
The invention discloses a device and method for observing insect movement and heat distribution in the field of bionic design. The device comprises a thermostatic box, a thermostatic control device, ahigh-speed camera device, an infrared thermal imaging device, an insect holding device and an illuminating device. The thermostatic control device is located in the left side in the thermostatic boxand is connected to the thermostatic box. The high-speed camera device is located outside the thermostatic box and right above the insect holding device. The infrared thermal imaging device is locatedin the right side in the thermostatic box and is not connected to the thermostatic box. The insect holding device is located in the right side of the thermostatic control device and in the left middle zone in the thermostatic box. The illuminating device is located at the upper part of the thermostatic box. The device has the advantages of simple operation, fast experimental process and high insect selective observability, can keep the thermostatic case in the observation area under laboratory conditions, can study insect movement characteristics and heat distribution and has a wide application prospect.
Owner:TSINGHUA UNIV
Multi-functional electrical experiment instrument
InactiveCN102693664AAdjust the proportional relationship between resistance valuesAdjust the proportional relationshipEducational modelsElectrical resistance and conductanceFire - disasters
Owner:雷海平
Data processing method
InactiveCN105005245AEasy to handleImprove processing efficiencyProgramme controlComputer controlData acquisitionComputer terminal
The embodiment of the invention discloses a data processing method, which comprises the steps of receiving sampling data acquired by a data acquisition terminal through a sensor channel interface; analyzing the sampling data by using a selected analysis algorithm, and acquiring analysis result data; generating a drawing window corresponding to the selected analysis algorithm, and displaying the analysis result data in the drawing window. According to the data processing method disclosed by the embodiment of the invention, people need not to set different modes to receive and process the sampling data, processing for the acquired data is simplified, and users are enabled to conduct an experiment quickly.
Owner:BEIJING T&S TECHNOLOGIES CO LTD
Experimental system for testing tank pool fire characteristics
ActiveCN106841508BComprehensive collectionExperiment fastChemical analysis using combustionCombustionTest fixture
The invention provides an experimental system for testing the storage tank fire performance. The experimental system comprises an experimental device and a testing device. The experimental device is used for performing a storage tank fire combustion experiment, and the testing device is used for testing tank fire combustion performance parameters. The experimental system can rapidly perform fire combustion experiments of storage tanks which are of various sizes and contain various types of fuel, various specified parameters can be continuously collected in real time, and the basis is provided for profound and comprehensive research of the storage tank fire performance.
Owner:CHINA PETROLEUM & CHEM CORP +1
Rapid construction method of transcriptome sequencing library, and application of rapid construction method
ActiveCN110951827APromote amplificationQuality improvementMicrobiological testing/measurementLibrary creationBiotechnologyHigh concentration
The invention provides a rapid construction method of a transcriptome sequencing library, and an application of the rapid construction method. Compared with the existing reports, the invention is an efficient library construction method specifically for RNA with a small and medium-length of 100-300 bp, and the construction method does not require any enzyme reaction and chemical reaction treatmentbefore synthesizing cDNA, and cannot cause degradation and loss of RNA during the treatment process. The experimental process is rapid and simple, the whole process has no complicated treatment of RNA and intermediate products, the construction method is especially suitable for the case of a small initial sample size, the efficient connection is realized, and finally the transcriptome library with a sufficiently high concentration is obtained to complete on-machine sequencing and subsequent transcriptome sequencing related applications. The widespread application of transcriptome sequencing of single cells, exosomes, or precious clinical samples in fields such as basic research, clinical diagnosis, and drug development is effectively realized.
Owner:广州表观生物科技有限公司
Device and method for simulating influence of external environment change on occurrence of sulfur element in sediment
The invention discloses a device and a method for simulating influence of external environment change on occurrence of a sulfur element in a sediment. The device comprises an external environment simulation system, a lake water sediment system and a filtering, collecting and detecting system, the influence of oxygen content, pH value, organic matter and iron content adjustment on the sulfur form is combined, multi-factor common influence simulation is supported, and the sulfur release amount of silt at different depths in different environments can be researched; and the simulation process issimple, convenient and fast, high in safety and low in investment capital.
Owner:HOHAI UNIV
CH4 enzyme digestion identifying method of hybrid yellow catfish
ActiveCN106282379AEffective research population germplasmGuaranteed reliabilityMicrobiological testing/measurementEnzyme digestionMicrobiology
The invention provides a CH4 enzyme digestion identifying method of hybrid yellow catfish. The CH4 gene segment after PCR amplification has the interspecific crossing sequence difference between the yellow catfish and pelteobagrus vachelli; the restriction enzyme Hind III is applied to enzyme digestion; the enzyme digestion locus is A->AGCTT; the yellow catfish, pelteobagrus vachelli and hybrid descendants of the yellow catfish and pelteobagrus vachelli are analyzed and identified by application of a RFLP (restriction fragment length polymorphism) method. The hybrid and the purebred which are not easy to distinguish morphologically can be distinguished from the level of molecular biology; the method is fast in experiment, simple in operation, direct in identification and free from sequence testing.
Owner:SICHUAN UNIV
Circuit module identification method, circuit module and simulation experiment system
ActiveCN108804844AFast intelligent identificationFast simulationDesign optimisation/simulationCAD circuit designComputer moduleComputer engineering
The embodiment of the invention discloses a circuit module identification method, a circuit module and a simulation experiment system. Positioning identification information is stored in a readable-writable module of the circuit module, and the positioning identification information comprises identifier information of at least two positioning pines of the circuit module and identification information for determining the attribute of the circuit module; the circuit module receives a read request sent by a hardware platform based on at least two positioning pins; and the positioning identification information is sent to the hardware platform through at least two positioning pins. Therefore, the hardware platform can position the location of the circuit module on the hardware platform based on the positioning identification information; the external equipment or system can acquire the positioning identification information of the circuit module on the hardware platform through the hardware platform, thereby realizing intelligent identification of the circuit module on the hardware platform and providing possibility for the synchronization of the material construction and virtual simulation of the circuit, the user can quickly and efficiently perform simulation and experiment at any time, and the difference between the theory and the practical can be seamlessly bridged.
Owner:深圳市易星标技术有限公司
Water-bath constant-temperature oscillator for laboratory
InactiveCN112275344AAvoid influenceGood vibrating effectBioreactor/fermenter combinationsBiological substance pretreatmentsWater bathsExperimental laboratory
The invention belongs to the field of oscillators for experiments, and particularly relates to a water-bath constant-temperature oscillator for a laboratory. The oscillator comprises a shell, whereinthe inner bottom surface of the shell is fixedly connected with a water bath box through a supporting spring, a horizontal placement screen plate is arranged in the water bath box, the side walls of the two sides of the shell are respectively and fixedly communicated with an air inlet pipe and an air outlet pipe, a draught fan is installed at the air inlet end of the air inlet pipe, an electromagnetic valve is arranged in the air inlet pipe, the air outlet end of the air outlet pipe is fixedly communicated with a vortex pipe, the hot end of the vortex pipe is fixedly communicated with a backflow pipe, the other end of the backflow pipe penetrates through the side wall of the shell and extends into the water bath box, the lower surface of the water bath box is fixedly connected with a wingplate through a supporting rod, and the wing plate is horizontally arranged. The electromagnetic valve can be controlled to be opened and closed intermittently to drive the wing plate to vibrate up and down in a reciprocating mode, no friction is generated in the vibration process, the friction loss is reduced, the service life is prolonged, and the influence of generated noise on the laboratory environment is avoided.
Owner:王超艳
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