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Immersive three-dimensional modeling and straight-through 3D printing system and method based on XR
InactiveCN121808869Aquality improvementincrease success rateInput/output for user-computer interactionGeometric CADInteractive editingComputer printing
The invention discloses an XR-based immersive three-dimensional modeling and straight-through 3D printing system and method, and the method comprises the steps: S1, collecting user input, and converting the user input into an interaction instruction; s2, generating three-dimensional model data; s3, superposing the three-dimensional model into a real physical environment according to a proportion of 1: 1, and outputting a virtual-real fusion display result; s4, performing printability analysis on the model, marking a problem area, guiding a user to modify and providing an automatic repair suggestion; s5, generating a support structure, and providing visual preview and interactive editing; s6, slicing and path planning are executed, and a printing instruction file meeting the control requirement of the 3D printer is generated; s7, communication connection with the 3D printer is established, and printing state information is fed back; and S8, providing storage and calling support of the three-dimensional model file, parameter configuration and environment map data. According to the invention, seamless integration of immersive XR modeling, MR real-time verification and one-key direct-through 3D printing is realized.
Owner:TIANJIN UNIV OF TECH & EDUCATION (TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE) +1
Intelligent processing method and system for new media data
ActiveCN120929617BImplement automatic analysisreduce dependenceMultimedia data indexingMultimedia data clustering/classificationMediaFLOEngineering
The application relates to the field of information technology, in particular to an intelligent processing method and system for new media data. The method comprises the following steps: reading historical new media material data; analyzing the historical new media material data, calculating an availability estimation value of the historical new media material, and sorting and screening the historical new media resource according to the availability estimation value; storing the analyzed historical new media material data in a classified manner, and establishing a multidimensional index of the historical new media material data; receiving a new media content generation demand, converting the new media content generation demand into a new media material matching condition; screening and sorting new media materials based on the new media material matching condition, and selecting the first N new media material data as basic new media material data; and fusing a theme content based on the basic new media material, generating multi-form new media content, and realizing intelligent processing of high-efficiency, high-quality and self-optimizable new media content.
Owner:HANGZHOU XIAOLU CORGI NETWORK TECHNOLOGY CO LTD
Methods for constructing a biological model of tertiary lymphoid structure
PendingCN122081186Along durationShort cycleBacteriaMicroorganism based processesTransgenesisTertiary Lymphoid Structures
This invention discloses a method for constructing a biological model of tertiary lymphoid structures, which can rapidly and efficiently induce the generation of in situ TLS, without relying on specific tissues or organs, and without the need for complex and expensive preparation processes such as cell editing and transgenic mice. It can generate stable, mature, and long-lasting TLS structures within 2 to 3 weeks, and has the characteristics of short cycle, low cost, simple operation, reproducibility, safety and effectiveness.
Owner:SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV +1
Preparation method and application of non-noble metal material loaded noble metal electrocatalyst
ActiveCN115692749BHigh mass specific activityImprove catalytic activity of oxygen reduction reactionCell electrodesFuel cellsPtru catalystNon noble metal
This invention discloses a method for preparing a noble metal electrocatalyst supported on a non-noble metal material and its application. The preparation method includes: Step 1, dissolving a non-noble metal precursor and a noble metal precursor in a mixed solvent; Step 2, adding a carbon support and ultrasonically dispersing until homogeneous; Step 3, rotary evaporation to obtain a solid phase; Step 4, treating the solid phase with NH3 gas and then with Ar gas; Step 5, ultrasonically dispersing the treated solid phase in a sulfuric acid aqueous solution and refluxing to obtain a refluxed solid phase; Step 6, washing the refluxed solid phase with water until the pH of the filtrate is neutral, and drying the washed solid phase to obtain the noble metal electrocatalyst supported on a non-noble metal material. In electrochemical tests conducted in an HClO4 aqueous solution, this noble metal electrocatalyst supported on a non-noble metal material exhibits a half-wave potential above 0.875 V vs. RHE and a specific activity above 310 mA / mg. Pt It exhibits significantly enhanced catalytic activity for oxygen reduction reactions.
Owner:XIAN CATALYST NEW MATERIALS CO LTD
A method for synthesizing a large single-crystal sodium-ion battery layered-oxide cathode material
PendingCN122257093AImprove stabilitySimple and fast operationPolycrystalline material growthFrom solid stateElectrical batteryPhysical chemistry
The application discloses a synthesis method of a large single-crystal sodium-ion battery layered oxide positive electrode material, and comprises the following steps: (1) weighing metal oxides containing transition metal elements, transferring to a device with mixing functions, uniformly mixing, and obtaining a metal oxide mixture; (2) adding acid to the metal oxide mixture, fully mixing, and completing an acid treatment process; (3) adding alkali to the mixture after acid treatment, fully mixing; (4) transferring the mixture obtained in the step (3) to a calcining furnace, high-temperature calcining, and obtaining a layered oxide. The acid treatment process is introduced, the surface of the metal oxide forms a defect structure under the action of the acid, and the defect structure is more beneficial to the formation of strong interaction between each component of the metal oxide and between the metal oxide and sodium-containing alkali, so that a larger single-crystal layered oxide structure is finally formed, and the specific capacity, rate performance and cycle performance are excellent.
Owner:JIANGSU ZHENGXUQI NEW MATERIALS CO LTD
Data transmission quality optimization method and system for intelligent electric meter
ActiveCN122001820Aevenly distributedAvoid instant calculation peaksKey distribution for secure communicationSmart meterData transmission
The invention relates to the field of data processing, in particular to a data transmission quality optimization method and system for an intelligent ammeter, and the method comprises the steps: obtaining a historical sensitivity sequence and a secret key updating record of each ammeter, and constructing a transmission sensitive vector; clustering the electricity meter groups and endowing sensitive grades to the electricity meter groups; dividing a transmission period into a plurality of time slots, establishing corresponding transmission scheduling groups, and distributing the ammeters to the groups according to the sensitivity levels to form an initial scheduling scheme; collecting network and computing resource states and computing resource pressure at the beginning of the current transmission period; and comparing the resource pressure with double thresholds, taking the sum of the transmission sensitivities of the electric meters in the group as a load according to a comparison result, dynamically adjusting the corresponding sequence of each transmission scheduling group and the transmission time slot according to the load, and issuing a transmission instruction. According to the invention, through a double-layer scheduling mechanism combining historical behavior grading and real-time resource perception, peak shifting transmission of the electricity meter group is realized, and the processing efficiency of the concentrator is remarkably improved.
Owner:HANGZHOU HUALONG ELECTRONIC TECH CO LTD
Positioning tool for welding landscape bridge and welding method thereof
ActiveCN121670258Bavoid random movementShorten the period of on-site constructionSlide plateIndustrial engineering
This invention discloses a positioning fixture and welding method for welding landscape bridges, mainly relating to the technical field of welding devices. It includes a first base plate and a second base plate, each with several L-shaped blocks. A first sliding rod is slidably connected to each L-shaped block, and several arc-shaped plates are provided at the ends of the first sliding rods. A first spring is provided between the arc-shaped plates and the L-shaped blocks. It also includes fixing plates symmetrically arranged at both ends of the first base plate and used in conjunction with the second base plate. A first sliding plate and a second sliding plate are slidably connected to the first and second base plates, respectively. The first and second sliding plates are slidably connected, and a first welding torch is mounted on the first sliding plate. Furthermore, it includes a third sliding plate detachably connected to the first sliding plate, and a second welding torch is mounted on the third sliding plate. The beneficial effects of this invention are: solving the problem of low on-site construction efficiency in existing landscape bridge welding, improving the efficiency and quality of landscape bridge welding, and reducing the labor intensity of workers.
Owner:CCCC LANDSCAPE SHANDONG CO
A residential package delivery device suitable for drone logistics
PendingCN122501663AImplement automatic notification functionTimely reminder to collect
This application relates to a residential parcel transportation device applicable to drone logistics. This application falls within the field of low-altitude economic technology. The technical solution adopted in this application includes: a rooftop transfer system, installed on the rooftop of a residential building, for receiving parcels dropped by drones and completing parcel alignment, horizontal transfer, and temporary storage scheduling; an exterior vertical transportation system, fixedly installed on the building's exterior facade and located directly below the rooftop transfer system, for vertically transferring parcels output from the rooftop transfer system to the corresponding floors; and a user-end receiving system, installed near the windows of users on each floor of the residence, for receiving vertically transferred parcels and real-time monitoring of the support occupancy status; the horizontal transfer end of the rooftop transfer system and the initial bearing position of the exterior vertical transportation system are at the same horizontal height and on the same straight line perpendicular to the building's exterior wall, achieving seamless connection between horizontal and vertical transfer.
Owner:POWERCHINA HUADONG ENG CORP LTD
Steel structure fixing structure on concrete waterproof roll
ActiveCN224078406UWill not cause water leakageIncrease the bearing areaBuilding insulationsWater leakageArchitectural engineering
The utility model relates to a steel structure fixing structure on a concrete waterproof coiled material, which is characterized in that a steel plate is arranged above a waterproof coiled material layer, an anchor bolt penetrates through a vertical first anchoring hole corresponding to the waterproof coiled material layer and a concrete structural plate, and a waterproof coating layer is arranged between the anchor bolt and the first anchoring hole of the waterproof coiled material layer; the anchor bolt, the waterproof roll layer and the waterproof coating layer jointly form a waterproof closed loop layer, so that water leakage is basically avoided; the bottom face of the steel stand column is welded to the upper portion of the steel plate, the steel plate is fixed to the concrete structural plate of the top plate through the anchor bolts and the nuts, then the basement top plate can be used for supporting the stand column, the stress area is large, and the stress effect is better; the protective layer is arranged to cover the waterproof roll layer, the steel plate, the upper ends of the anchor bolts and the nuts, so that the ground is not interfered; due to the fact that the steel plate anchor bolts and the nuts are constructed along with the basement top plate, independent foundations do not need to be additionally arranged, construction procedures are fewer, and the period is shorter.
Owner:GUANGXI ROAD & BRIDGE GRP CONSTR ENG CO LTD
An inspection apparatus housing made with an extrusion device
This utility model relates to the field of material forming and processing technology, and discloses an extrusion device for manufacturing the shell of inspection equipment. It includes a base plate, a mold first fixedly connected to the top right side of the base plate, support plates first fixedly connected to both the front and rear ends of the top right side of the base plate, a support plate second fixedly connected to the top right side of the base plate near the edge, a motor second fixedly connected to the top of the support plate second, a pinion gear fixedly connected to the top output end of the motor second, a toothed strip meshing with the outer wall of the pinion gear, and a U-shaped frame fixedly connected to the left side of the toothed strip. In this utility model, the rotation of the pinion gear driven by the motor second, and the movement of the U-shaped frame driving the movement of the mold second, enable rapid descent for compression molding, shortening the compression molding cycle. Furthermore, by using different molding dies, various profiles can be produced to meet the basic material requirements of different inspection equipment shells.
Owner:东莞市蒂优塑胶科技有限公司
A method and system for automatically calculating and analyzing wind pipe support load of a nuclear power plant
The present application belongs to the technical field of nuclear power engineering design, and provides a nuclear power plant wind pipe support load automatic calculation and analysis method and system, comprising: obtaining data information of a nuclear power plant wind pipe; calling a corresponding three-dimensional support model in a preset wind pipe information library according to the data information of the nuclear power plant wind pipe; automatically calculating the wind pipe support load according to the three-dimensional support model; and automatically completing the mechanical analysis of the wind pipe support load according to the calculated wind pipe support load; the present application can realize the data information of the wind pipe support, automatically call the support model in the wind pipe information library to complete three-dimensional support modeling; according to the three-dimensional support model, the automatic calculation and automatic analysis of the wind pipe support load can be realized, the complex process of drawing, mapping, data extraction and coupling iterative calculation of the designer is cancelled, the cycle of mechanical calculation and analysis of the wind pipe support is shortened, and the accuracy of the calculation result is greatly improved.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD
Deep feature and automatic machine learning-based sgRNA activity prediction method and device
PendingCN121768486AExperimental verification proves that the method is effectiveImprove cutting efficiencyBiostatisticsBiological modelsAlgorithmSequence model
The invention relates to the technical field of gene editing, and discloses an sgRNA activity prediction method and device based on deep features and automatic machine learning. The method comprises the following steps: acquiring sgRNA training data with editing efficiency labels and discretizing the sgRNA training data into classification labels; after the sgRNA and the PAM sequence are spliced, inputting the spliced sgRNA and PAM sequence into a pre-training depth sequence model to extract high-dimensional features; obtaining a low-dimensional feature vector through nonlinear dimensionality reduction; an automatic machine learning framework is combined with cross validation, and a prediction model is automatically trained and optimized based on low-dimensional features; and finally, carrying out activity prediction and sorting screening on candidate sgRNA by utilizing the model. According to the method, through fusion of deep semantic extraction, nonlinear structure maintenance and a full-automatic modeling process, the accuracy, robustness and development efficiency of sgRNA activity prediction are effectively improved, and an efficient pilot screening tool is provided for a gene editing experiment.
Owner:XIANGHU LABORATORY
Seed breeding method for water horns
PendingCN121866926AImprove germination rateShort cycleSeed and root treatmentGrowth substratesPlant hormoneWater Chestnuts
The invention relates to the technical field of agricultural cultivation, in particular to a breeding method of water horn seeds. The method comprises the following steps: storing dried water chestnut seeds at 8-16 DEG C for 8-24 days, and soaking the water chestnut seeds in a potassium permanganate aqueous solution for 15-25 minutes; and sowing the soaked water horns seeds in a matrix, and culturing for 18-22 days to obtain seed seedlings. According to the method provided by the invention, the germination rate of the water pod seeds is extremely high and reaches 99%; and the method is short in operation period and simple in operation steps, does not need any plant hormones and chemical substances, effectively solves the breeding problem of the water hormones, and has important significance for reducing the endangered degree of the water hormones.
Owner:INST OF TROPICAL BIOSCI & BIOTECH CHINESE ACADEMY OF TROPICAL AGRI SCI
Highway bridge facilitating water drainage
ActiveCN224620419UDrainage Structure ImprovementEffective drainage structure
This utility model discloses a highway bridge with convenient drainage, comprising a beam body and concrete and asphalt layers arranged sequentially from bottom to top on the beam body. Drainage ditches are provided on both sides of the beam body, with a filter layer at the top of the drainage ditches. A water collection trough of a certain height is reserved above the filter layer. Multiple drainage holes are spaced along the length of the bridge on the filter layer, with filter plugs inside the drainage holes. A drain pipe is provided at the bottom of the drainage holes, with the outlet of the drain pipe extending to the pier foot and connecting to a collection pool. This utility model has a simple structure, high ease of construction, short construction period, and low construction cost. It ensures good drainage effect and is very easy to clean, greatly reducing cleaning costs. The addition of a rainwater collection pool at the pier foot of the highway bridge enables rainwater recycling, which is environmentally friendly and prevents foundation corrosion at the pier foot, thus improving the service life of the bridge.
Owner:GUIZHOU TONGYUAN HIGHWAY SURVEY & DESIGN CONSULTING CO LTD
SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, amplification primer and application of SNP molecular marker in soybean breeding
PendingCN121951102ALarge detection throughput potentialHigh polymorphismMicrobiological testing/measurementDNA/RNA fragmentationSoybean mosaic virusGenetics
The invention relates to the technical field of biology, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, an amplification primer and application of the SNP molecular marker in soybean breeding. The SNP molecular marker is located at the 910489bp site of a No.7 chromosome of a soybean genome, and the polymorphism of the SNP molecular marker is C / A. The invention provides application of the SNP molecular marker related to the soybean mosaic virus resistance in identification or auxiliary identification of the soybean mosaic virus resistance. By providing the accurate, simple, convenient and low-cost SNP molecular marker and the detection method thereof, early-stage, rapid and efficient molecular-assisted selection of soybean mosaic virus resistance characters is realized, so that the breeding process of a new variety of disease-resistant soybeans can be remarkably accelerated, and the SNP molecular marker has important breeding application value.
Owner:NORTHEAST NORMAL UNIVERSITY
Panax ramosa rare saponin composition, preparation method and application thereof
ActiveCN110959853Befficient conversionIncrease expansionCosmetic preparationsSugar food ingredientsLactic acid bacteriumYeast
The present application relates to a rare ginsenoside composition and a method and application thereof, wherein the ginsenoside composition comprises 0.02-0.1 mg / mL of S-Rg3, 0.009-0.029 mg / mL of R-Rg3, 0.087-0.245 mg / mL of Rg5 and 0.013-0.044 mg / mL of CK. The rare ginsenoside is prepared by fermentation, which comprises the following steps: step-by-step fermentation with yeast and lactic acid bacteria. Through the step-by-step fermentation method, the inherent ginsenoside is converted into rare ginsenoside, and 17 kinds of rare ginsenosides, including S-Rg2, R-Rg2, F1, F4, Rk3, F2, Rh4, S-Rg3, R-Rg3, PPT, Rg5, CK, S-Rh2, R-Rh2, Rk2, Rh3 and PPD, are obtained. The bioactivity of the fermented ginseng is higher, and the fermented ginseng can be applied to the food, medicine, health food and skin care product industries.
Owner:ANGEL NUTRITECH CO LTD
Capacity expansion method and device for application service
PendingCN121879972AImprove rapid expansion capabilitiesReduce operation and maintenance costsResource allocationTransmissionComputers technologyOperating system
The embodiment of the invention provides an application service capacity expansion method and device, and belongs to the technical field of computers. The method comprises the following steps: monitoring a service load of an application service, and determining a service load specification to which the service load belongs; and under the condition that the business load of the application service is improved from a first specification to a second specification, executing a service-uninterrupted capacity expansion operation on each application service module corresponding to the application service based on corresponding module configuration information so as to obtain a capacity-expanded application service matched with the second specification, and the application service is decomposed into a plurality of application service modules which can be independently expanded according to the functional composition.
Owner:CHINA TELECOM CLOUD TECH CO LTD
Application of Chinese rose SVP transcription factor in regulation and control of flowering phase and petal size
ActiveCN122081390Areduce areaImproved morphological consistencyPlant peptidesFermentationBiotechnologyAnthesis
The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of a Chinese rose SVP transcription factor in regulation and control of flowering phase and petal size. The invention aims to provide a new choice for regulating Chinese rose organs by researching MADS-box transcription factor family member SVP in Chinese rose. The technical scheme of the invention is the application of the Chinese rose SVP transcription factor in regulating and controlling the flowering phase and / or the petal size of a plant. The amino acid sequence of the SVP transcription factor is shown as SEQ ID NO.2. By adopting the method disclosed by the invention, accurate intervention on the petal size and the flowering phase of the Chinese rose can be realized through RhSVP silencing.
Owner:CHINA AGRI UNIV SANYA RES INST
Creep life prediction method for nickel-based single crystal alloys considering primary orientation angle
The application discloses a creep life prediction method for a nickel-based single crystal alloy considering a primary orientation deviation angle, and comprises the following steps: S1, acquiring a primary orientation deviation angle of a sample; S2, performing a creep test on the sample to obtain creep test data; S3, establishing a creep constitutive damage equation, constructing a correlation formula of a primary orientation deviation angle influence factor and the primary orientation deviation angle, and introducing the primary orientation deviation angle influence factor into a material degradation term in the creep constitutive damage equation for correction; S4, calibrating undetermined parameters in the corrected creep constitutive damage equation by using the creep test data; and S5, establishing a finite element model of a nickel-based single crystal high-temperature alloy sample based on the calibrated creep constitutive damage equation, and calculating the creep life of the sample by using the finite element method. The application changes the influence of the primary orientation deviation on the creep life from "systematic theory coupling" to "engineering precise quantification", and is more suitable for actual engineering application requirements.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST
Grinding rotor and vertical nanosand mill having the same
The present application relates to a kind of grinding rotor, including top wall, and with top wall connection side wall, grinding rotor inside is opened with grinding inner cavity, the outer periphery of side wall is provided with multiple grinding bars, the cross-sectional area of grinding bar is along the decreasing trend of grinding rotor radial direction from inside to outside, at least part grinding bar is provided with first inclined plane in the face side along the direction of rotation of grinding rotor, first inclined plane is arranged with horizontal plane angle;Side wall is provided with several heterodirectional variable-diameter channels, each heterodirectional variable-diameter channel is gradually tapered from inside to outside, each heterodirectional variable-diameter channel includes top surface, first side, bottom surface and second side connected in sequence, top surface and bottom surface are arranged with angle between them. Through the design of grinding bar and heterodirectional variable-diameter channel and cooperate with separating wheel assembly, avoid forming grinding dead zone in grinding cavity, and effectively improve the grinding efficiency and grinding uniformity.The present application also relates to vertical nanometer sand mill with the grinding rotor.
Owner:DONGGUAN LONGLY MACHINERY +1
A method for determining the swallowing capacity of an aeroengine
ActiveCN115270467Blow costShort cycleGeometric CADSustainable transportationAviationPhysical medicine and rehabilitation
This application provides a method for determining the bird-swallowing capability of an aero-engine, belonging to the field of aero-engine testing. The method includes: evaluating the bird strike resistance of blades using strength simulation, correcting it with component test results to obtain the blade's bird strike resistance characteristics; evaluating the aerodynamic impact of damaged blades through aerodynamic modeling, correcting it with blade-mounted testing to obtain the aerodynamic impact characteristics of damaged blades on the engine; determining the quantitative relationship between bird-swallowing parameters and blade damage based on test and simulation results; determining the strength and aerodynamic boundaries of the aero-engine's bird-swallowing capability; determining the engine's bird-swallowing capability based on the engine's bird-swallowing strength and aerodynamic boundaries, combined with bird-swallowing standards; and improving the bird-swallowing capability of an engine with determined bird-swallowing capability through targeted design improvements.
Owner:AECC SHENYANG ENGINE RES INST
A method for preparing pseudo-grassland bioplasts and its application
This invention discloses a stable and efficient method for preparing protoplasts from *Pseudolarix amabilis*. The method directly uses etiolated *Pseudolarix amabilis* seedlings as material to prepare protoplasts, requiring no other aseptic procedures, and the entire process is simple and convenient. Furthermore, by setting different buffer component ratios and a specific mannitol concentration, this invention achieves stable maintenance of the osmotic pressure of *Pseudolarix amabilis* seedling cells during the separation process. Experimental verification shows that the protoplast yield using this method is 1.32 × 10⁻⁶. 5 The protoplasts were prepared at a density of 1 protoplast per ml, with 95% of them intact and undamaged, resulting in significantly improved quality and activity. Furthermore, the enzymatic hydrolysate described in this invention overcomes the difficulty of enzymatic hydrolysis caused by the high degree of leatheriness in *Pseudolarix amabilis* leaf tissue. This method is suitable for widespread application in the field of herbaceous plant biotechnology.
Owner:SICHUAN AGRI UNIV
Rear side wall inner plate, door ring structure and vehicle
ActiveCN224146019UImprove design efficiencyIncrease productivitySuperstructure subunitsStructural engineeringMechanical engineering
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1
Preparation method and phenotype identification method of Zmpste24 gene knockout non-human animal model
PendingCN121950796AShort cycleFully study the pathogenic mechanismHydrolasesVector-based foreign material introductionBiotechnologyZMPSTE24 gene
The invention relates to a gRNA of a targeted non-human animal Zmpste24 gene, a preparation method of a Zmpste24 gene knockout non-human animal model and a phenotype identification method. The gRNA comprises a nucleotide sequence which is complementary with a second exon region of the non-human animal Zmpste24 gene; the target sequence of the second exon region of the non-human animal Zmpste24 gene is as shown in SEQ ID NO: 4; the gRNA comprises gRNA1 as shown in SEQ ID NO: 1 and gRNA3 as shown in SEQ ID NO: 3, and the molar ratio of the gRNA1 to the gRNA3 is (1-5): (1-5). The Zmpste24 gene knockout non-human animal model prepared by the invention shows a remarkable senescence phenotype at the age of 12 weeks, and has the advantages of remarkable phenotype, good reproducibility, short experimental period and the like. The multi-dimensional phenotype identification method established by the invention can comprehensively evaluate the influence of gene knockout on the aging process.
Owner:BEIJING LAB ANIMAL RES CENT
Metal-faced sandwich composite integrated panel of a shielded room
ActiveCN224281814UMeet the design requirementsImprove shielding effectCovering/liningsGlass/slag layered productsStructural engineeringElectromagnetic shielding
This utility model discloses a metal-faced sandwich composite integrated panel for shielded rooms, relating to the fields of electromagnetic shielding and building envelope technology. This utility model includes a new integrated panel one for external building shielding and enclosure and a new integrated panel two for internal building shielding, decoration, and sound absorption. New integrated panel one consists of an enclosure layer, a sandwich layer, and a shielding layer; new integrated panel two consists of a shielding layer, a sandwich layer, and an enclosure layer. Through the unique design of new integrated panels one and two, this utility model is suitable for a wide frequency band of 10kHz-50GHz, exhibiting excellent shielding effectiveness, meeting and exceeding the national military standard GJB5792A-2021C level standard, fully meeting the design requirements of anechoic chambers and other types of shielded rooms. New integrated panels one and two are produced and constructed using innovative models and processes, achieving true integrated shielding, resulting in higher construction efficiency, better quality, stronger safety, shorter cycle time, and higher cost-effectiveness.
Owner:CHANGZHOU NEW DISTRICT JINLIDA ELECTRONICS CO LTD
A temperature shock and hot vacuum test integrated device
ActiveCN224303422UShort cycleReduce installation positioning errorsStrength propertiesProcess engineeringRefrigeration
The utility model discloses a temperature impact and hot vacuum test integrated equipment, including the vacuum chamber and sealing cover plate of being equipped with vacuum channel, wherein, the vacuum chamber is equipped with respectively and is sealed interval arrangement heating sub -chamber and refrigeration sub -chamber, the positioning transplant module of measured workpiece is still equipped with in the vacuum chamber, is used for installing positioning measured workpiece, and realizes the displacement switching of measured workpiece between heating sub -chamber and refrigeration sub -chamber simultaneously, the utility model discloses can provide hot vacuum test condition and temperature impact test condition simultaneously, has greatly reduced the period of measured workpiece to carry out temperature impact test and hot vacuum test, and has reduced the installation positioning error of measured workpiece in the test installation process, has effectively protected measured workpiece, is very suitable for being used in the temperature impact test and hot vacuum test in spaceflight material and spare part (for example space photovoltaic module) reliability test.
Owner:LIUZHITAO NEW ENERGY TECH (SHANGHAI) CO LTD
Composite defluorination agent for deep defluorination of water body and preparation method thereof
This invention discloses a composite defluoridating agent for deep defluorination of water and its preparation method. The defluoridating agent is an aqueous solution of a metal salt or an aqueous solution of a metal salt dispersed with nanoparticles. The active ingredient of the defluoridating agent contains at least three metal ions: lanthanum, aluminum, and zinc, and the molar ratio of La, Al, and Zn is 1~4:3~5:1~3. The pH of the aqueous solution is 6.0~6.5. Compared with traditional PAC, which requires more than 5 mmol / L to reduce fluoride ions to 1 mg / L, the composite defluoridating agent of this invention only requires 1.2 mmol / L (based on the total concentration of active ingredients) to reduce fluoride ions to below 1.0 mg / L, significantly reducing treatment costs and sludge production. In addition, this invention has a fast settling speed, achieving solid-liquid separation within 10 minutes. In the preferred scheme containing nanoparticles, magnetic adsorption settling can be completed within 5 minutes, greatly shortening the water treatment process cycle.
Owner:BLUESTAR LEHIGH ENG INST CO LTD
A pharmaceutical composition for treating infant night cough, preparation and application thereof
ActiveCN117919351BSignificant effectto achieve conditioningRespiratory disorderPlant ingredientsAdjuvantNocturnal cough
The application discloses a medicine composition for treating infant night cough, which is composed of Radix Bupleuri, Radix Paeoniae Alba, Fructus Aurantii Immaturus, roasted Germinated Millet, roasted Millet, Pericarpium Citri Reticulatae, Folium Pyrrosiae, Radix Trichosanthis, Radix Pulsatillae, Radix Anemarrhenae, Radix Peucedani, Radix Trichosanthis, Radix Ophiopogonis, Radix Sophorae Immaturus, and Radix Glycyrrhizae. The medicine composition can be added with pharmaceutically acceptable adjuvants to form preparations. The medicine composition and the preparations can be used for preparing medicines for treating infant night cough.
Owner:LUXI COUNTY TRADITIONAL CHINESE MEDICINE HOSPITAL
Method for testing the production quality of titanium alloy titanium 60 blisk
ActiveCN116380892Breflect rationalityreflect accuracyInvestigating crystalsPreparing sample for investigationTitaniumTitanium alloy
This invention relates to a method for inspecting and controlling the production quality of integral Ti60 titanium alloy bladed disks, belonging to the technical field of manufacturing key materials and components for aero-engines. The method includes processing multiple batches of billets through die forging, solution heat treatment, and aging heat treatment to form integral Ti60 titanium alloy bladed disk forgings; selecting one forging from each batch and dissecting it along its radial axis; cutting microstructure samples of different sizes from at least the blades, rims, spokes, and hub; pre-treating each microstructure sample to prepare the surface to be inspected; and using optical microscopes of different magnifications to perform microstructure testing on each inspection surface and analyze whether the parameter characteristics of β-grains and α-grains are qualified and meet preset conditions. This invention improves the efficiency of Ti60 titanium alloy integral bladed disk production quality.
Owner:AECC SICHUAN GAS TURBINE RES INST
Bladder cancer-specific aptamer, aptamer derivatives and uses thereof
This invention belongs to the field of molecular biology and medical detection technology, and discloses a bladder cancer-specific nucleic acid aptamer, nucleic acid aptamer derivatives, and their applications. The nucleotide sequences of the nucleic acid aptamer are shown in SEQ ID NO: 1, 2, and 3. This invention screened three monoclonal nucleic acid aptamer DNA chains from bladder cancer tissue samples using the exponential enrichment systematic evolution (SELEX) technique and identified two target proteins that bind to these three nucleic acid aptamers. The nucleic acid aptamers specifically target the target proteins CAPRIN1 and FXR1 on the surface of bladder tumor cells. The nucleic acid aptamers obtained by this invention have advantages such as high affinity and specificity, no immunogenicity, simple chemical synthesis, stability, and ease of storage and labeling, providing a new molecular tool for the early diagnosis and targeted therapy of bladder cancer.
Owner:RENJI HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE