Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
66results about How to "Fast load" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Preparation method of stannic oxide nanocrystalline loaded tin disulfide nanosheet composite nanomaterial
ActiveCN104998660ASimple processProduct yield is highPhysical/chemical process catalystsCompositermesNanomaterials
The invention discloses a preparation method of a stannic oxide nanocrystalline loaded tin disulfide nanosheet composite nanomaterial. The method comprises the following steps that S1, a tin disulfide nanosheet is prepared, wherein L-cysteine and stannic chloride are dissolved in water and are mixed evenly, light yellow sediment is obtained after a hydrothermal reaction, rinsing, centrifugal separation and drying are carried out, and the SnS2 nanosheet is obtained; S2, a composite material is prepared, wherein stannic chloride and vitamin C are dissolved in water, the SnS2 nanosheet prepared in the S1 is dispersed in the solution, then NaHCO3 is added, even mixing is carried out, a microwave reaction is carried out under the backflow condition, cooling, rinsing, centrifugal separation and drying are carried out, and the composite nanomaterial SnO2 / SnS2 is obtained. The molar ratio of the L-cysteine to the stannic chloride added in the S1 is 6-8:1, and the molar ratio of the stannic chloride added in the S2 to the SnS2 nanosheet is 1-5:1. According to the prepared SnO2 / SnS2 composite material, SnO2 nanocrystalline is evenly dispersed and firmly loaded on the SnS2 nanosheet, the caking phenomenon of the SnO2 nanocrystalline is avoided, and the obviously-enhanced catalytic property is shown.
Owner:LINGNAN NORMAL UNIV
Parallel user state protocol stack management method and protocol stack system
ActiveCN104951357AImprove performanceOvercoming distribution bottlenecksResource allocationTransmissionUser stateResource pool
Embodiments of the present invention provide a method for managing parallel user mode protocol stacks and a protocol stack system, and the method comprises: monitoring the running state of the instance corresponding to each protocol stack of the user mode protocol stacks, one instance corresponding to one protocol stack of the user mode protocol stacks; determining a first instance and a second instance, wherein the first instance is the instance in an abnormal running state, and the second instance has the capability of moving into at least one load to be migrated in the first instance; and re-establishing the at least one load to be migrated in the second instance according to a PCB in a shared resource pool, wherein the PCB corresponds to the at least one load to be migrated in the first instance. In the embodiments of the present invention, as the load to be migrated is reestablished in the instance with the capacity of moving into the load according to the PCB in the shared resource pool, wherein the PCB corresponds to the load to be migrated in the abnormal instance, the system distributing bottleneck caused by the protocol stacks sharing one distributing module is overcome, and the load balance and failure recovery are quickly performed, and therefore the performance of the protocol stack system is improved.
Owner:HUAWEI TECH CO LTD
Method and system for dynamic data access
InactiveCN106503139ASimple structureFlexible configurationSpecial data processing applicationsData migrationSystem structure
The invention discloses a method and system for dynamic data access. The access method comprises the steps of reading database configuration information so as to initiate a consistent Hash ring which comprises a plurality of actual nodes, wherein each actual node corresponds to a database, and distributing a plurality of virtual nodes for each actual node; obtaining a Hash value of access conditions of to-be-accessed data; obtaining nearest codes which are on the consistent Hash ring and are larger than or equal to the Hash value; and causing the to-be-accessed data to correspond to corresponding databases of the nearest nodes. The method and system for dynamic data access are flexible to configure, low in maintenance cost and balanced in load, and the data migration amount is small during system structure changing.
Owner:SHANGHAI CTRIP COMMERCE CO LTD
Interference coordination method for power adjustment of antenna beam in wireless communication system
The present invention provides an interference coordination method for power adjustment of an antenna beam in a wireless communication system, comprising: step S1, a source base station where the beam is to be adjusted sends power adjustment information of the beam to a target base station which may be influenced; step S2, the target base station pre-estimates whether it can withstand interference after beam power adjustment of the source base station according to the interference from the beam to be adjusted it has undergone, or pre-estimates whether it can withstand interference after beam power adjustment of the source base station by transferring edge users adjacent to the source base station to the source base station and obtains pre-estimated results; step S3, the target base station negotiates with the source base station according to the estimated results so as to determine whether the source base station can perform beam adjustment. According to the invention, a balance point is quite quickly achieved between system resources and network load after the beam power adjustment; the system resources of the network can be reasonably used; and partial beam power adjustment would not cause sudden degradation of the performance of users of adjacent cells.
Owner:SHANGHAI RES CENT FOR WIRELESS COMM
Preparation method of hemostatic sponge and hemostatic sponge prepared thereby
ActiveCN109091699AEasy to operateHigh porositySurgical adhesivesPharmaceutical delivery mechanismFreeze thawingPorosity
The invention discloses a preparation method of a hemostatic sponge, comprising the following steps: (1) dispersing oxidized cellulose powder into water to obtain 0.1-2.0wt% of oxidized cellulose dispersion, and then homogenizing the oxidized cellulose dispersion under high pressure to obtain a nanooxidized cellulose suspension; (2) injecting the nanooxidized cellulose suspension into a mold, performing 1 to 7 times of freeze-thaw cycles to obtain nanocellulose hydrogel, freezing the nanocellulose hydrogel for sizing, and then drying to obtain the hemostatic sponge; wherein one freeze-thaw process is: freezing for 8-16 h at -40 to -18 DEG C, and then unfreezing for 8-16 h at 4-25 DEG C. The invention also provides the hemostatic sponge prepared by the preparation method. The hemostatic sponge has high carboxyl content, high porosity and water absorption capacity, and can quickly absorb excess blood on the wound surface to achieve effective hemostasis.
Owner:ZHENGZHOU UNIV
Method and application of reference voltage correcting circuit for controlling buck converter
The invention relates to the technical field of power sources and correcting circuits, in particular to a method and application of a reference voltage correcting circuit for controlling a buck converter. According to the circuit, the output end of a comparator EA is connected with one end of a capacitor C and a grid electrode G of a field-effect tube, a source electrode S of the field-effect tube is connected with a constant current source 2I input signal line, one end of a constant current source 2I output signal line is connected with the other end of the capacitor C, a tapping line of the constant current source 2I output signal line is connected to the ground, a drain electrode D of the field-effect tube is the VREF output voltage point C of a comparator and is connected with one end of a resistor R and one end of a constant current source I output signal line, the other end of a constant current source I input signal line is connected with a power source VDD, the other end of the resistor R is connected with the reverse input end of the comparator EA, a voltage VREF is arranged at the reverse input end of the comparator EA, a voltage FB is arranged at the same-phase input end of the comparator EA, and the circuit output voltage point C is controlled by the voltage VREF and the voltage FB. Compared with the prior art, input offset voltages are small, the output voltage errors caused by a COT structure can be removed, and the output voltage precision is improved.
Owner:南京泰艾微电子有限公司
Load balancing method and load balancing device
ActiveCN105991458AAvoid interruptionFast loadData switching networksBusiness dataDistributed computing
The invention discloses a load balancing method applied to a load balancing device. The load balancing method includes the following steps that: when it is determined that the amount of business data flowing out from a first virtual node meets an alarm threshold value, a virtual node of the same type with a second virtual node is determined, wherein the second virtual node is used for processing the business data from the first virtual node; and after the virtual node of the same type with the second virtual node is set to a standby state, when it is determined that the amount of the business data meets a fault threshold value, forwarding configuration information between the first virtual node and the virtual node in the standby state is increased, and the virtual node in the standby state is set to a load state so as to share the load of the second virtual node, and the alarm threshold value is smaller than the fault threshold value. The invention also discloses a load balancing device.
Owner:ZTE CORP
Method for preparing air purification material from microporous medium through catalytic oxidation and air purification material
The invention belongs to the technical field of air purification, and particularly relates to a method for preparing an air purification material from a microporous medium through catalytic oxidation and the air purification material. According to the method, the air purification material is prepared by taking a microporous medium substrate, an oxidizing agent, a catalyst and a pH color developing agent as raw materials through the steps of 1 centrifugal impregnation loading, 2 steaming and pressing loading, 3 drying, 4 surface color developing treatment and the like; the catalytic oxidizing agent is loaded on the wall face of the microporous medium and microporous channels through a centrifugal impregnation mode, and therefore the loading speed and the loading degree are high; by means of steaming and pressing loading, the loading degree can be intensified under the saturated vapor pressure and internal energy, the structure of the microporous medium can be optimized, hole penetrating is improved, and improvement of the purification property is promoted; after surface color developing treatment, and the color of the surface of the purification material can be changed by acidic materials generated in purification, so that the experience feeling of the purification capacity and effect is obtained. The air purification material has the advantage of achieving thorough, rapid and lasting purification.
Owner:湖北格林森绿色环保材料股份有限公司
Three-phase dual-active-bridge direct-current converter control system and control method
ActiveCN111371326AOutput Voltage Deviation MinimizedFast loadDc-dc conversionElectric variable regulationSingle phaseVoltage reference
The invention discloses a three-phase dual-active-bridge direct-current converter control system. The invention belongs to the technical field of power electronics, the problem that a single closed-loop proportional-integral regulator is slow in response to step change of an output load is solved. The system comprises a front-stage three-phase H-bridge inverter, a rear-stage three-phase H-bridge rectifier, three single-phase high-frequency transformers and three phase-shifting inductors, windings of the three single-phase high-frequency transformers are connected with the preceding-stage three-phase H-bridge inverter and the backward-stage three-phase H-bridge rectifier in a Y-Y-shaped connection mode, and the three phase-shifting inductors are connected between the preceding-stage three-phase H-bridge inverter and the single-phase high-frequency transformers in series; the system further comprises a power switch tube driving system and a load feedforward compensation system. The output voltage deviation of the converter is minimized when the reference voltage and the output load are subjected to step change; the control method can realize rapid, stable and accurate adjustment of the output voltage; after dead zone compensation control is added, the power transmission precision of the converter under phase shift modulation is improved.
Owner:HEFEI KEWELL POWER SYST CO LTD
Large cross-section tunnel supporting system construction method applicable to steep dip layered rock mass
ActiveCN105065032AEnsure stabilityHigh strengthUnderground chambersTunnel liningSupporting systemRailway tunnel
The invention relates to the field of highway tunnel and railway tunnel surrounding rock supporting, in particular to a large cross-section tunnel supporting system construction method applicable to steep dip layered rock mass. The method is characterized in that when a forward inclination layer pilot tunnel and an upper part middle pilot tunnel are dug, a temporary support and first and second layer linings positioned in the positions of the forward inclination layer pilot tunnel and the upper part middle pilot tunnel are made; and when a backward inclination layer pilot tunnel and a lower part pilot tunnel are dug, a temporary support and a first layer lining positioned at the backward inclination layer pilot tunnel and the lower part pilot tunnel are made. The method has the advantages that by aiming at the steep dip layered rock mass tunnel digging damage features, the strength and the rigidity of top and arch part supporting structures are mainly reinforced; the strength and deformation characteristics of surrounding rock of tunnel top and layer exposure parts can be effectively enhanced; the deformation and the instability of the surrounding rock in the two weak positions are controlled; and the stability of the rock mass in the arch part or layer exposure parts is ensured.
Owner:SHANGHAI TUNNEL ENGINEERING RAILWAY TRANSPORTATION DESIGN INSTITUTE
Energy storage electric heater
InactiveCN106225049AIncrease enthalpyHigh densityCentral heating with accumulated heatLighting and heating apparatusElectric heatingElectricity
The invention discloses an energy storage electric heater. The energy storage electric heater comprises a shell, and multiple closed heat storage units mounted in the shell; partition spaces are formed between the adjacent heat storage spaces; each heat storage unit is provided with an electric heating module inside and filled with a heat storage medium; the multiple electric heating modules are electrically connected through leads; and multiple intake holes and multiple exhaust holes are respectively formed in the bottom and the top of the shell. The energy storage electric heater uses phase change molten salt as the heat storage mediums; on the one hand, the phase change molten salt is high in enthalpy value and density, and is fast in heat conduction; and on the other hand, as the phase change of the phase change molten salt can be used for realizing molten latent heat and sensible heat combined heat storage process or heat release process, for the same heating space, the electric load is lower, the heat is higher, the heating is faster, the equipment size is smaller, and the weight is lighter.
Owner:北京航天国泰科技有限公司
Preparation method of formaldehyde purifying material
ActiveCN109499547AHuge specific surface areaGood porosityGas treatmentOther chemical processesL&D processActivated carbon
The invention relates to a preparation method of a formaldehyde purifying material, and belongs to the technical field of preparation of a composite material. The preparation method comprises the following steps: carrying out modification treatment on rush fiber by adopting activated carbon, and carrying out immersion treatment on washed rush fiber by using an activated carbon dispersion system formed by mixing an organic solvent and the activated carbon, thus obtaining modified rush fiber. According to the preparation method disclosed by the invention, the activated carbon is adsorbed by utilizing a three-dimensional meshy pore structure of rush, the loading capacity of the rush fiber on the activated carbon is increased, and the problem of long purification time of traditional activatedcarbon is effectively improved by combining high adsorption capacity of the rush. The rush fiber modified by the activated carbon is simple in production technology and short in production process, pollution to the environment is reduced, safety, energy saving, economy and environment protection are realized, and remarkable social and economic benefits are obtained.
Owner:WUHAN TEXTILE UNIV
Load balancing method and system for incremental computation of dynamic graphs
ActiveCN107479968ABalance load overheadOverhead synchronizationResource allocationGraphicsComputation process
The invention discloses a load balancing method and system for incremental computation of dynamic graphs. The method comprises the steps of utilizing degrees, initialization increment values and convergence times of vertices in the last iterative calculation process to generate a prediction histogram; after a graph data structure changes, initializing the state values and increment values of all the vertices in graph data; before new iteration calculation starts, utilizing the histogram and the degrees and initialization increment values of new vertices to predict convergence times corresponding to all the vertices; counting load conditions of all the vertices of each partition from slave nodes of the partition, sending the load conditions to a main node, dispatching and balancing the load of each partition by the main node, and returning decision results to each slave node; dispatching loads from migration partitions of the slave nodes to target partitions or receiving loads from overload partitions. Through the load balancing method and system for the incremental computation of the dynamic graphs, after the dynamic graphic data changes, the load condition of each partition in the new iteration calculation process can keep balanced, and therefore the effect of speeding up graph iterative calculation is achieved.
Owner:HUAZHONG UNIV OF SCI & TECH
Preparation method of Cu-MOFs loaded multifunctional cotton fabric
ActiveCN114277576AImprove bonding fastnessIncrease exchange rateVegetal fibresCu2 ionsCarboxylic acid
The invention relates to the technical field of functional textile preparation, in particular to a preparation method of a Cu-MOFs loaded multifunctional cotton fabric, which comprises the following steps: step 1, modifying a cotton fabric by using polycarboxylic acid; step 2, loading the Cu-MOFs on the cotton fabric at room temperature by adopting a layer-by-layer assembly method, and endowing the cotton fabric with multiple functions of antibiosis, adsorption, photocatalysis and the like. According to the preparation method, carboxyl is introduced to the cotton fabric, copper ions are adsorbed, then a layer-by-layer assembly method is adopted, the copper ions are combined with ZnO nano particles, a (Zn, Cu) hydroxyl double-salt intermediate is formed, the anion exchange rate is increased, and Cu-MOFs are rapidly loaded to the cotton fabric at the room temperature. The method has the characteristics of low energy consumption, simple equipment, convenience in operation and the like. The prepared multifunctional cotton fabric loaded with Cu-MOFs has a wide application prospect.
Owner:NANTONG UNIVERSITY
Load balancing and computation localization method of iterative backtracking algorithm based on HDFS (Hadoop distributed file system)
ActiveCN104331439AFast loadFast load balancingDatabase management systemsTransmissionDistributed File SystemIp address
The invention relates to a load balancing and computation localization method of an iterative backtracking algorithm based on an HDFS (Hadoop distributed file system). The method comprises the steps of: S1, reading IP addresses and load states of all survival nodes in all data analysis engine systems by Planner; S2, reading distribution information of all data packages of a table from name nodes by the Planner; S3, realizing the load balancing by using the iterative backtracking algorithm according to the IP addresses and load states of all survival nodes in all data analysis engine systems read by the Planner and the distribution information of all data packages of the table from name nodes. According to the generated Planner, on the basis of guaranteeing the computation localization as far as possible, the method can rapidly and efficiently realize load balancing.
Owner:北京东方国信科技股份有限公司
Composite basalt fiber purification material and preparation method thereof
InactiveCN106219768AMany surface active sitesImprove bonding abilityWater treatment compoundsBiological water/sewage treatmentPhosphateActive site
The invention discloses a composite basalt fiber purification material and a preparation method thereof. The purification material is prepared from a composite basalt fiber carrier and water purification microorganisms loaded on the carrier, and the composite basalt fibers are prepared from 95.0-99.9 parts of basalt and 0.1-5.0 parts of phosphate. According to the composite basalt fiber purification material and the preparation method thereof, the composite basalt fibers which are subjected to composite modification treatment and have a large quantity of surface active sites, low surface energy and higher bonding capability with microorganisms serve as the carrier, then the microorganisms are loaded on the composite basalt fibers, and thus the water purification material is obtained; the purification material is large in microorganism loading capacity and high in water purifying efficiency, and application and popularization of the basalt fiber water purification material are promoted.
Owner:SICHUAN LIJIU INTPROP SERVICE CO LTD
Nano titanium alginate air purifying material and preparation method thereof
ActiveCN106377983AFast loadDeep loadGas treatmentDispersed particle separationInternal energyVapor pressure
The invention belongs to the technical field of air purification, and particularly relates to a nano titanium alginate air purifying material and a preparation method thereof. The method uses a microporous medium matrix, an oxidizer, a catalyst and a pH developer as raw materials and comprises the following steps: S1. centrifugal impregnation loading; S2. autoclave loading; S3. drying; and S4. carrying out surface development treatment and the like to obtain the air purifying material. According to the preparation method, the centrifugal impregnation mode is utilized to load a catalytic oxidizer on the microporous medium wall surfaces and microporous channels, and has the advantages of high loading speed and high loading degree; the autoclave loading can enhance the loading degree under the actions of saturated vapor pressure and internal energy, and can optimize the microporous medium structure and enhance the perforated holes, thereby being beneficial to the enhancement of the purification property; and after the surface development treatment, the acidic substances generated during purification can discolor the purifying material surface, thereby obtaining the experiences of purifying capacity and effects. The air purifying material provided by the invention has the advantages of thorough purification, high speed, high durability and the like.
Owner:彭伟
Wearable lower limb walking exoskeleton device
InactiveCN106239484AExpand the scope of activitiesCompact structureProgramme-controlled manipulatorMotor speedThree level
The invention belongs to the field of mechanical structure control, and relates to a wearable lower limb walking exoskeleton device. The device comprises a waist strap, servo motor speed reduction modules, first cylindrical gears, second cylindrical gears, end covers, thigh protecting bushes, shank protecting bushes, foot protecting bushes, pin shafts and other components. The device is compact in structure and reasonable in motion freedom degree distribution, servo motors are adopted in power, and are matched with three-level speed reduction devices, the beneficial effects of being high in control precision, high in response speed and large in load are achieved, a composite with the high strength and the small mass is selected in component material selection, wearing is comfortable, operation is flexible, and the movable range of a person can be expanded to be maximum limit.
Owner:BEIJING LINGYI TECH CO LTD
Self-assembled cyclodextrin functionalized magnetic-gold composite material as well as preparation method and application thereof
InactiveCN111234049AExtended service lifeThe preparation method is simple and controllableOther chemical processesOrganic chemistry methodsMicrosphereCyclodextrin
The invention discloses a self-assembled cyclodextrin functionalized magnetic-gold composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing diamino-modified magnetic Fe3O4@SiO2 sub-microspheres by utilizing solvothermal reduction, TEOS hydrolysis and silanization reaction; preparing gold nanoparticles by adopting asodium borohydride reduction chloroauric acid method, mixing the gold nanoparticles with the diamino-modified magnetic Fe3O4c sub-microspheres to obtain a more stable magnetic gold nanoparticle compound by utilizing coordination and chelation of diamino on the surfaces of the magnetic sub-microspheres and the gold nanoparticles. Meanwhile, sulfhydrylated beta-cyclodextrin is prepared and is fixedon the surface of the magnetic Fe3O4@SiO2 / Au composite material through an Au-S bond, so that the magnetic functional composite material is prepared. A magnetic nano material is used as a chiral selector carrier and combined with a self-assembly technology as a fixing mode to prepare a chiral recognition material, so that the defects of stability and loading capacity of a chiral stationary phase are expected to be improved, and rapid screening of a chiral selector and efficient and high-capacity chiral separation are realized.
Owner:TIANJIN UNIV
Self-adaptive load balancing method for parallelization of spatial computation
ActiveCN102063331ASmall communication loadFast loadMultiprogramming arrangementsRound complexitySelf adaptive
Owner:TONGJI UNIV
Method for preparing air purification material by catalytic oxidation of microporous medium and air purification material
The invention belongs to the technical field of air purification, and particularly relates to a method for preparing an air purification material from a microporous medium through catalytic oxidation and the air purification material. According to the method, the air purification material is prepared by taking a microporous medium substrate, an oxidizing agent, a catalyst and a pH color developing agent as raw materials through the steps of 1 centrifugal impregnation loading, 2 steaming and pressing loading, 3 drying, 4 surface color developing treatment and the like; the catalytic oxidizing agent is loaded on the wall face of the microporous medium and microporous channels through a centrifugal impregnation mode, and therefore the loading speed and the loading degree are high; by means of steaming and pressing loading, the loading degree can be intensified under the saturated vapor pressure and internal energy, the structure of the microporous medium can be optimized, hole penetrating is improved, and improvement of the purification property is promoted; after surface color developing treatment, and the color of the surface of the purification material can be changed by acidic materials generated in purification, so that the experience feeling of the purification capacity and effect is obtained. The air purification material has the advantage of achieving thorough, rapid and lasting purification.
Owner:湖北格林森绿色环保材料股份有限公司
Method for loading metal organic skeleton structure with noble metal nano-particles
InactiveCN109482236APayloadRealize the loadOrganic-compounds/hydrides/coordination-complexes catalystsMetal-organic frameworkRedox
The invention relates to a method for loading a metal organic skeleton structure with noble metal nano-particles. The method comprises the following steps: with cuprous oxide as a reducing template, feeding cuprous oxide nano-crystals into a mixed solution of a noble metal precursor and an organic ligand; generating oxidation-reduction reaction by virtue of the noble metal precursor and cuprous oxide so as to generate noble metal nano-particles, and simultaneously coordinating Cu<2+> with the organic ligand so as to generate MOFs; and packaging the generated noble metal nano-particles with generated MOFs, so as to load MOFs with the noble metal nano-particles by virtue of a one-step method. According to the method, the loading of the noble metal nano-particles in MOFs is realized by virtueof the simple and rapid method, and the loading of different noble metal nano-particles in MOFs can be realized by only changing the noble metal precursor and the corresponding solvent. The method issuitable for preparing long-stability noble metal nano-particle composite catalyst and is applied to the catalytic chemical field.
Owner:EAST CHINA JIAOTONG UNIVERSITY
Manned lunar rover wheel soil bin test bed
The invention discloses a manned lunar rover wheel soil bin test bed, and belongs to the technical field of spaceflight. According to the invention, rolling wheels of a test trolley are in rolling connection with a U-shaped rail, the front end of a steel wire rope is fixedly connected to a roller of a traction resistance system, and the rear end is fixedly connected with a tension sensor of the test trolley; and a horizontal displacement sensor, a vertical displacement sensor, the tension sensor, a speed reducer assembly and a dynamic torque sensor are all controlled by a computer. According to the test bed, the defects of small size load, low speed, unstable traction resistance and the like of a tested wheel of a small lunar rover wheel soil bin test bed can be overcome; the tested wheelis large in size, large in load, high in speed and constant in traction force; and the test result is more accurate. The manned lunar rover wheel soil bin test bed is convenient to operate, safe and reliable, the wheel performance under different conditions is tested by changing the load, the rotating speed, the traction resistance and the like of the tested wheel, the effect of multiple test conditions can be achieved, the test diversity can be improved, data such as the test rotating speed, the test time and the power can be output at any time through the sensor and the computer, and recording is convenient.
Owner:JILIN UNIV
Transport and transfer vehicle and ammunition can transfer method based on transport and transfer vehicle
ActiveCN109132886AShorten the running distanceReduced working radius and lifting momentCranesArm movingEngineering
The invention provides a transport and transfer vehicle and an ammunition can transfer method based on the transport and transfer vehicle. The transport and transfer vehicle comprises a telescopic support platform and a mechanical arm; the telescopic support platform is used for supporting a load in the loading process and comprises N guide rails, N is greater than or equal to 2, and the N guide rails are parallel to one another and are installed at the bottom of the transport and transfer vehicle and driven by external force to stretch out and draw back at the two sides of the transport and transfer vehicle; the mechanical arm moves the tail end to a target position according to target posture information and running track information which are input from the outside and carries out catching action according to a catching instruction. The ammunition can transfer method adopts a full-automatic transfer algorithm to achieve fast transfer and improves the transfer efficiency.
Owner:BEIJING INST OF SPACE LAUNCH TECH +1
Power-on control circuit and electronic equipment with same
InactiveCN111313674AFast loadMeet the power-on demand of electric loadsPower conversion systemsControl signalControl engineering
The invention provides a power-on control circuit and electronic equipment with the same. The power-on control circuit comprises: an input energy storage module, wherein a first end of the input energy storage module is connected with an input power supply, and a second end of the input energy storage module is connected with a grounding end; a switch module, wherein the first end of the switch module is respectively connected with the input power supply and the first end of the input energy storage module, the second end of the switch module is connected with the power supply end of an electric load, and the switch module is used for being switched on when a power-on control signal is detected, so that the input power supply and the input energy storage module supply power to the electricload; and a control module, wherein the control module is used for outputting the power-on control signal when a power-on instruction is detected. According to the power-on control circuit disclosedby the invention, when the switch module is in a conduction state, instantaneous large current required by a load is rapidly provided through the input power supply and the input energy storage module, and rapid power-on of the load can be realized.
Owner:BEIJING BITMAIN TECH LTD
A kind of preparation method of hemostatic sponge and the prepared hemostatic sponge
ActiveCN109091699BEasy to operateImprove structural stabilitySurgical adhesivesPharmaceutical delivery mechanismCarboxyl radicalFreeze-drying
The invention discloses a preparation method of a hemostatic sponge. The steps are as follows: (1) disperse oxidized cellulose powder in water to prepare an oxidized cellulose dispersion with a mass fraction of 0.1wt% to 2.0wt%, and then oxidize the cellulose The dispersion liquid is subjected to high-pressure homogenization treatment to obtain a nano-oxidized cellulose suspension; (2) inject the nano-oxidized cellulose suspension into a mold, and perform 1 to 7 freeze-thaw cycles to obtain a nano-cellulose hydrogel. The cellulose hydrogel is freeze-shaped, and then freeze-dried to obtain a hemostatic sponge; wherein, one freeze-thaw process is: freezing at -40°C to -18°C for 8-16 hours, and then thawing at 4-25°C for 8-16 hours. The invention also provides a hemostatic sponge prepared by the preparation method. The hemostatic sponge has high carboxyl content, high porosity and water absorption capacity, and can quickly absorb excess blood on the wound surface to achieve the purpose of effective hemostasis.
Owner:ZHENGZHOU UNIV
Method for preparing integral metal-based environmental catalyst by metal replacement method
PendingCN114177919AFast loadStrong loadIncinerator apparatusMetal/metal-oxides/metal-hydroxide catalystsAir atmospherePtru catalyst
The invention discloses a method for preparing a monolithic metal-based environmental catalyst by a metal replacement method, which comprises the following steps: carrying out acid pickling, alkali washing and water washing on a monolithic metal substrate, and then carrying out heat treatment in an air atmosphere for later use; dissolving a noble metal precursor in water, and then adding a surfactant to obtain a noble metal precursor replacement liquid; at 40-95 DEG C, immersing the integral metal base material into a precious metal precursor replacement liquid, carrying out metal replacement reaction, taking out the integral metal base material after metal replacement is completed, cleaning, drying, and roasting at 200-500 DEG C for 3-5 hours to obtain the integral metal-based catalyst, according to the invention, an integral metal-based catalyst slurry coating technology is abandoned, metal and alloy materials in any shape can be rapidly and firmly loaded with nano noble metal active components on the surface through a metal replacement reaction, the noble metal active components are tightly combined with a metal base material, the shedding rate is almost zero, and the catalyst has a good application prospect. And the catalyst shows very high characteristic of catalytic oxidation of VOCs (Volatile Organic Compounds).
Owner:ZHEJIANG UNIV OF TECH
A load balancing method and load balancing device
Owner:ZTE CORP
A Method for Realizing Horizontal Expansion of One-to-One Network Address Translation Gateway
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
Self-assembled amino acid derivative functionalized magnetic-carbon nanotube composite material and its preparation method and application
ActiveCN111229189BTightly boundStable in natureComponent separationOrganic compound preparationHydroxyprolineMagnetic carbon
The invention discloses a self-assembled amino acid derivative functionalized magnetic-carbon nanotube composite material and its preparation method and application. The magnetic Fe is prepared by a one-step solvothermal reduction method. 3 o 4 ‑Multi-walled carbon nanotube composites utilizing magnetic Fe 3 o 4 Hydrophobic interaction of / MWCNTs composite material, N-hexadecyl-L-hydroxyproline self-assembled on the surface of carbon nanotubes to obtain a stable complex, this material was used as a chiral adsorbent to resolve amino acid enantiomers isomers to test their chiral resolution performance. The present invention uses magnetic nanomaterials as chiral selector carriers, combined with self-assembly technology as a fixed method to prepare chiral recognition materials, which is expected to improve the stability of the chiral stationary phase and the lack of loading capacity, and realize rapid screening of chiral selectors. Efficient, high-capacity chiral separations.
Owner:TIANJIN UNIV
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com