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92results about How to "Destructive" patented technology

Safety isolation method for virtual network and physical network of cloud computing

The invention provides a safety isolation method for a virtual network and a physical network of cloud computing, wherein the isolation between the both layers of networks is realized by carrying out VLAN (Virtual Local Area Network) tagged and untagged operations on data frames, the access control of three layers is realized by a fire wall, the dynamic safety control is realized with the addition of IDS (Intrusion Detection System) software, so that not only can the communication between different VLANs be controlled, but also the access of other machines in the inner network to the cloud inner network can be controlled. Simultaneously, the network isolation can be performed between virtual machines or between virtual machines and physical machines by employing the VLAN, so that the physical machines and the virtual machines are divided in the different VLANs, namely, the isolation between the physical network and the virtual network can be realized.
Owner:GCI SCI & TECH

Traditional Chinese medicine biological agent for improving immunity of livestock and preparation method thereof

The invention relates to a traditional Chinese medicine biological agent for improving immunity of livestock and a preparation method thereof; the traditional Chinese medicine biological agent is prepared by combining traditional Chinese medicine formulas and modern microbiological technology; the biological agent adopts folium cortex eucommiae, grifola frondosa, astragalus root and herba epimedii, which belong to traditional Chinese medicines, as raw materials; bran, bean pulp, ammonium sulfate, magnesium sulfate, calcium carbonate and water are added in the raw materials after the raw materials are crushed, so as to form fermentation medium, strain nutrient solution with a certain proportion is added in the fermentation medium for fermentation, the mature solid fermentation broth is added in alcohol for extraction, separation, filtration, concentration, so as to prepare various dosage forms. The traditional Chinese medicine biological agent prepared by microbial fermentation metabolism can remarkably improve the immunity of livestock organisms, enhance the immunity of the organisms, improves the production performance of the livestock and effectively prevent immunity inhibitive diseases.
Owner:BEIJING DABEINONG ANIMAL HEALTH TECH

Traditional Chinese biological preparation for preventing and treating livestock diarrhea and preparation method thereof

The invention discloses a traditional Chinese biological preparation for preventing and treating livestock diarrhea and a preparation method thereof. The traditional Chinese biological preparation isprepared by combining a traditional prescription and a modern microbiological transformation technology, utilizing the strong transformation capacity of microorganism and fermenting and metabolizing the traditional Chinese pulsatilla root. The preparation method comprises the following steps: crushing the Chinese pulsatilla root; adding bran, glucose, urea, inorganic salt and water as a fermentation medium; adjusting the pH value; adding a strain culture liquid with a certain proportion for fermenting after sterilization; adding ethanol into matured solid leavening for lixiviating, separating,filtering, concentrating and preparing various preparations. The traditional Chinese biological preparation is prepared by the Chinese pulsatilla root after being fermented and metabolized by yeast,and has greatly superior treatment effect to Chinese pulsatilla root medicinal powder and decoctum thereof for the livestock diarrhea.
Owner:BEIJING DABEINONG ANIMAL HEALTH TECH

Phased array ultrasonic detection device and method for inner defects of composite insulator

The invention discloses a phased array ultrasonic detection device for inner defects of a composite insulator. The phased array ultrasonic detection device comprises a phased array probe, a phased array displayer, a phased array system unit and a system main control computer. The invention also discloses a detection method applicable to the phased array ultrasonic detection device for the inner defects of the composite insulator. The detection method comprises the following steps: 1, generating an ultrasonic signal by the phased array probe and generating a reflected ultrasonic signal when the ultrasonic signal meets the defects of the composite insulator; 2, transmitting the reflected ultrasonic signal to the phased array system unit and the system main control computer, and then transmitting data to the phased array system unit and the system main control computer; 3, processing data with the phased array system unit and the system main control computer, and then outputting a phased array scanning image with the phased array displayer; 4, determining sizes, types and positions of the inner defects of the composite insulator. The detection device and the detection method have the advantage of being capable of quickly, accurately and nondestructively detecting the inner defects of the composite insulator.
Owner:SOUTH CHINA UNIV OF TECH

Energy dissipation type debris flow check dam combined draining and guiding and blocking

InactiveCN103088791AReduce flow ratePrevent structural cloggingBarrages/weirsButtress damsButtressAbove ground
The invention discloses an energy dissipation type debris flow check dam combined draining and guiding and blocking. The check dam comprises a dam body foundation and a dam body main body arranged above the dam body foundation, wherein the dam body main body comprises a plurality of buttresses distributed at intervals, a horizontal grille is arranged between each two buttresses, the buttresses extend towards upstream compared with the horizontal grilles, and the height H of the horizontal grilles above ground is in the range of from 0.5 to 1.0 m. The horizontal grilles are hollow, and drain holes are formed in the horizontal grilles and provided with transverse beams and longitudinal beams for supporting. Compared with the prior art, the buttresses are used for supporting the dam body and blocking coarse grain; drain holes are used for draining and guiding water of debris flow passing through the check dam, destroying constitutive property of the debris flow, and avoiding clogging of constitutive property; the horizontal grilles are used for conducting energy dissipation type debris draining and guiding, improving discharge capacity of the dam body, enabling the whole check dam not prone to clogging, improving capacity of resisting secondary debris flow after debris flow discharging once, and meanwhile safety of downstream can be endangered.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Gas turbine compressor vibration simulation test bed

The invention relates to a gas turbine compressor vibration simulation test bed, which is composed of an SFC variable frequency starter, a starting motor, a test compressor, a test bench, an air inlet component, an air exhaust component, a lubricating oil system, a vacuum pumping system, an acceleration vibration sensor, an eddy current vibration sensor and a vibration monitoring system, wherein the SFC variable frequency starter provides AC with variable frequency for the starting motor through a cable; the starting motor and the test compressor are coaxially connected through a coupling; the air inlet component is connected with the inlet of the test compressor; the outlet of the test compressor is connected with the inlet of the air exhaust component; and the middle level of the test compressor is provided with three air extraction pipelines. Various working conditions causing vibration of the compressor can be simulated, feature extraction is carried out on various types of vibration, and in the case of abnormal vibration happening to the gas turbine compressor, a problem can be found out timely, and adjustment is carried out.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Method used for identidying material anisotropic plasticity parameters based on spherical impression morphology

The invention discloses a method used for identidying material anisotropic plasticity parameters based on spherical impression morphology. According to the method, a spherical impression equipment isadopted for indentation test of a test piece so as to obtain impression morphology response information left on test piece surface; orthogonal decomposition and parametric approximation are adopted soas to obtain a value model used for representing the relationship of the material anisotropic plasticity mechanical property parameters with the impression morphology response information, reverse derivation constraint optimization problem is adopted so as to obtain the anisotropic plasticity mechanical property parameters of the material to be test through reverse derivation. In applications, the spherical impression morphology information obtained in the indentation experiment is input into the value model, and the anisotropic plasticity mechanical property parameters of the material to betest are obtained through certain steps of calculation. The method can be used in anisotropic material small size sample detection, nondestructive test, and material in-suit test, and the accuracy ofmaterial anisotropic plasticity parameters obtained via reverse derivation using the method is high.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Efficient anti-oxidative acne-removing handmade soap

The invention relates to a high-efficiency anti-oxidation and anti-acne handmade soap, which is characterized in that: calculated according to the weight fraction, it includes the following components: 10-15 parts of Chinese medicine extract, 5-10 parts of Phyllostachys pubescens leaf extract, 1-10 parts of Pyracantha fruit extract 3 parts, 1-3 parts of indigo fruit extract, 1-2 parts of mangosteen husk extract, 1-2 parts of Italian Buglossia extract, 2-4 parts of lychee leaf extract, 2-4 parts of bayberry leaf extract, Perilla leaf extract 1‑2 parts, mugwort extract 1‑2 parts, nicotinamide 6‑10 parts, tea saponin 0.3‑1 part, seabuckthorn seed oil 70‑100 parts, natural soap base 250‑350 parts. The handmade soap raw material extract of the present invention is extracted by ultrasonic extraction. This process has high extraction efficiency, and the utilization rate of active ingredients in plant and fruit medicines is extremely high, because the biological transdermal accelerator is derived from plant extracts and has good biophase Capacitive, and will not cause damage to the skin, with safety.
Owner:宁波秋日小城智能科技有限公司

Blasting fixing device, and draw shaft dredging system and method applied to blasting fixing device

ActiveCN110567331AAccelerated destructionThe process of explosives transportation is smoothBlastingSingle supportDead weight
The invention discloses a blasting fixing device, and a draw shaft dredging system and method applied to the blasting fixing device. The blasting fixing device comprises a vertical pole and one or more sets of umbrella-shaped support mechanisms arranged on the vertical pole, a support platform used for fixing blasting charges is arranged at the top of the vertical pole, the umbrella-shaped supportmechanisms comprise a plurality of inclined brace rods arranged in an umbrella shape around the vertical pole, the umbrella-shaped support mechanisms are in opening states, one ends of the inclined brace rods are connected to the vertical pole, and the other ends abut against and are supported on the inner wall of a blasting channel through the blasting charges and gravity of the dead weight of the device. According to the blasting fixing device, the umbrella-shaped support mechanisms are used for fixing the blasting charges, after the blasting charges are transported below the position of ablockage, single support structures of the umbrella-shaped support mechanisms are used for supporting and fixing the blasting charges in a draw shaft for blasting for dredging, according to the draw shaft dredging system and method, the explosive transportation process is more stable, the blasting method is more destructive, at the same time, only the inexpensive umbrella-shaped support mechanismsare damaged during the initiation process, and the cost is lower.
Owner:CENT SOUTH UNIV

Self-discharging detection system for lithium ion battery

The invention discloses a self-discharging detection system for a lithium ion battery. The system includes a tomography measurement system, a data collecting system, an electrochemical characteristic measuring system and a detection control system. The tomography measurement system is used for obtaining complete data required for reconstructing a three-dimensional tomography image of the lithium ion battery; the data collecting system is used for performing treatment such as amplification, A / D conversion and the like on output signals of the tomography measurement system. The electrochemical characteristic measuring system is used for acquiring basic parameters such as voltage, current, capacity and the like of the lithium ion battery. The detection control system is used for scanning control during the data collection process, obtaining the self-discharging rate of the lithium ion battery and performing treatment such as display, storage and the like. The system provided by the invention realizes real time, lossless and accurate detection of the self-discharging rate of the lithium ion battery and is used for self-discharging rate detection during the lithium ion battery production process and lithium ion battery automatic sorting based on the self-discharging rate, and has important realistic meaning in improving the technique level in battery self-discharging detection of China.
Owner:SOUTH CHINA UNIV OF TECH

Method and equipment for improving quality of vegetable oil through continuous crystallization, crystal growing, and dewaxing refining

A method and equipment for improving quality of vegetable oil through continuous crystallization, crystal growing, and dewaxing refining are disclosed. Oil and grease dewaxing is performed through eight-stage staged cooling crystallization, six-stage constant-temperature crystal growing, and two-stage low-temperature filtration. Special crystallization and crystal growing devices are adopted, interferences of transmission on crystallization and crystal growing processes are effectively solved as a whole, the heat conduction efficiency is higher, crystal damage caused by a transmission device and relative movement in an oil and grease system is less, energy consumption is lower, crystal dispersibility is significantly improved, and aggregation effects of wax, esters and high-melting-point fat are better. The method and the equipment can further improve dewaxing, winterization and dewaxing effects in crystallization and crystal growing processes of wax-containing vegetable oil, prolong oil product refrigeration time to 60 h or above, improve flavor and quality of oil and make oil palatability good. The method and the equipment are suitable for corn oil, sunflower seed oil, soybean oil, rice bran oil, and the like, and are particularly suitable for corn oil, sunflower seed oil, and the like.
Owner:SHANDONG XIWANG FOOD

Tissue culture method for lindera glauca

The invention discloses a tissue culture method for lindera glauca. With the young, tender axillary buds of lindera glauca as explants, a rapid in vitro propagation method based on tissue culture, which includes obtainment of aseptic materials, induced differentiation and multiplication of adventitious buds, rooting of the buds, transplantation and the like, is established. The tissue culture method improves culture medium, adds glutamine regulator, greatly increases the differentiation rate, leaves out the aseptic induced rooting step in tissue culture, adopts open operation, and utilizes NAA to induce rooting, so that complete plants are grown; and the method overcomes the defects of long conventional lindera glauca-breeding period, low propagation coefficient and the like, enhances thestability of the trait of lindera glauca, can realize the factory mass production of seedlings, and can effectively solve the problem on how to supply high-quality lindera glauca seedlings.
Owner:CHINA JILIANG UNIV

Suspension cylinder and crane

The invention discloses a suspension cylinder and a crane, relates to the technical field of engineering machinery, and solves the problem that in the prior art, the capability of a suspension cylinder for adapting to complex and severe conditions is poor. The suspension cylinder comprises a cylinder, a piston rod, a cylinder stroke detection apparatus and a vibration damping bearer, wherein one of the cylinder and the piston rod is connected with the vibration damping bearer, and the cylinder stroke detection apparatus comprises a movable body and a detection module. The detection module gives off corresponding cylinder displacement detection signals when the movable body and the detection module move relative to each other. Either the movable body or the detection module is fixedly connected with the cylinder, and the other one of the movable body and the detection module is fixedly connected with the piston rod. The crane employs the suspension cylinder provided in the invention. The capability of the suspension cylinder for adapting to complex and severe conditions is improved.
Owner:XUZHOU HEAVY MASCH CO LTD

Method for identifying anisotropic plasticity parameters of plate based on single-cone indentation

The invention discloses a method for identifying the anisotropic plasticity parameters of a plate based on single-cone indentation, used in the technical field of nondestructive testing and in-situ testing of anisotropic materials. The method comprises the following steps: establishing a numerical model for correlating the indentation response parameters and the plasticity parameters of an anisotropic material by using a dimensionless function; analyzing the material response of a single-cone indentation experiment to obtain the anisotropic plasticity parameters of a metal plate, and obtainingthe load-displacement relation curve of a test piece; testing the unloaded residual indentation morphology by a three-dimensional confocal microscopic device, and extracting the contact depth valuesof the residual indentation contour in two orthogonal directions of transverse and longitudinal lines of the tested material; and substituting the material response information extracted in the indentation experiment into the established dimensionless function model, and carrying out reverse calculation to obtain the anisotropic plastic parameters of the metal plate. The anisotropic plasticity mechanical parameters reversely calculated by the method are unique and have a high accuracy.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Shutter type wind-resistant advertising board

The invention discloses a shutter type wind-resistant advertising board. The shutter type wind-resistant advertising board comprises a board surface, a track, a wind pressure sensor, an external frame, a cylinder type rotating shaft, a driving motor, a support, a programmable controller, a forward rotation contactor, a reverse rotation contactor, a forward rotation switch, a reverse rotation switch and a stop switch. When wind pressure reaches a certain degree, the forward rotation switch is triggered, the driving motor is started, the board surface performs shutter type contraction towards one side of the external frame, the stop switch is triggered after contraction is finished, the driving motor stops running, a framework is exposed totally, and at the time, the advertising board almost has no windward side except the framework and has good performance in resisting strong wind. The shutter type wind-resistant advertising board is simple in structure, greatly reduces maintenance cost after the strong wind and is safe, reliable and durable.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Offshore wave energy-wind energy integrated system and integrated power generating method

The invention discloses an offshore wave energy-wind energy integrated system and an integrated power generating method, and belongs to the field of marine renewable energy utilization. The offshore wave energy-wind energy integrated system and the integrated power generating method solve the technical problems of existing wind energy and wave energy. The offshore wave energy-wind energy integrated system comprises a floating type platform system, a wind power generating system, an oscillating floating type wave energy power generating system, and a mooring system. The wind power generating system and the oscillating floating type wave energy power generating system are mounted at the floating type platform system. The floating type platform system is connected with the mooring system to connect the mooring system with the seabed. The offshore wave energy-wind energy integrated system has the beneficial effects that overall power generation amount is effectively improved, the ocean energy resource utilization rate is greatly improved, earnings are obviously increased, and the commercialization process is promoted.
Owner:DALIAN UNIV OF TECH

Traditional Chinese medicine bio-preparation of improving immunity of livestock and poultry, preparation method thereof and feed therewith

The invention relates to a traditional Chinese medicine bio-preparation of improving the immunity of livestock and poultry, a preparation method thereof and a feed therewith. According to the invention, the traditional Chinese medicine bio-preparation is prepared by combining a traditional Chinese medicine preparation with modern microorganism technologies, wherein the bio-preparation is prepared through the steps of: (1) employing the traditional Chinese medicines comprising oldenlandia diffusa, scutellaria baicalensis, astragalus membranaceus and liquorice as raw materials; (2) crushing the raw materials and adding bran, soybean meal, magnesium sulfate, manganese sulfate, sodium acetate and water to form a fermentation culture medium; (3) adding a bacterial strain culture solution in a certain ratio and performing fermentation; and (4) adding alcohol to a matured solid fermentation product to perform extraction, filtration and concentration to prepare various preparations. The traditional Chinese medicine bio-preparation, prepared through microorganism fermentation and metabolism, can significantly improve the immunity of livestock and poultry, can enhance body immunity, can increase production performance of the livestock and poultry, and can effectively prevent and treat immunosuppressive diseases.
Owner:BEIJING DABEINONG ANIMAL HEALTH TECH +2

Chrysanthemum morifolium tissue culturing and breeding method

InactiveCN103975851AOvercoming conventional cuttingsOvercome the cycleHorticulture methodsPlant tissue cultureAxillary budBud
The invention discloses a Chrysanthemum morifolium tissue culturing and breeding method. The method enables a large amount of high-quality Chrysanthemum morifolium seedlings to be obtained within a short period to be obtained in order to meet the needs of the market. The method comprises the steps of aseptic material obtaining, inductive culturing bud propagation and rooting, strong seedling culturing, and rooted seedling transplanting. Axillalry buds are used as an explants, and the tissue culturing method is used to rapidly breed, so the disadvantages of long period, low breeding coefficient, easy infection and propagation of viruses, and the like of routine cutting and division breeding of Chrysanthemum morifolium are overcome; and tissue culture seedlings produced by using the method have the advantages of few viruses, stable heredity and the like.
Owner:CHINA JILIANG UNIV

Method for ultrasonic extraction of total saponins of rhizoma panacis majoris

The invention discloses a method for the ultrasonic extraction of the total saponins of rhizoma panacis majoris, which comprises: drying rhizoma panacis majoris, crushing and sieving with a 40-mesh sieve, weighing coarse powder, placing in a Soxhlet extractor, adding petroleum ether, refluxing for 2 hours, taking a filter paper barrel out and drying medicinal materials in the air for later use; and weighing processed materials, adding 30 to 70 percent ethanol into the materials according to a material-to-liquid ratio (g / mL) of 1:10-20, fully and uniformly shaking, soaking for 1 hour, and ultrasonically extracting for 10 to 30 minutes at 30 to 50 DEG C. The operation of the ultrasonic extraction method has the advantages of simplicity, time conservation, safety, convenience, low cost, high extraction rate, complete components and the like.
Owner:SHAANXI NORMAL UNIV

Novel preparation process for thermal barrier coating

ActiveCN109930102AHigh densityImprove selective oxidation abilityMolten spray coatingSurface layerDry ice
The invention relates to a novel preparation process for a thermal barrier coating. The novel preparation process comprises the following steps: generating a metal bonding bottom layer on the surfaceof a matrix; generating an in-situ thermal growth oxide layer (TGO); and generating a ceramic heat-insulating surface layer, wherein the TGO layer is pre-grown before the matrix serves. The TGO layercomprises alpha-aluminum oxide. A compact and continuous TGO layer which takes alpha-aluminum oxide as the principal component is preset through large-particle dry ice jetting and purifying rougheningtreatment and pre-vacuum argon gas oxidizing treatment. An oxide film has very good high-temperature oxidization resistance, prevents quick oxidization, reduces a layer thickness increase rate of theTGO layer, and achieves the purpose of reducing thermal barrier coating peel-off probability.
Owner:江苏源清动力技术有限公司

High-yield preparation method for active polysaccharides of wheat bran

The invention provides a high-yield preparation method for active polysaccharides of wheat bran. In the method provided by the invention, a wheat bran superfine powder is taken as a raw material, degreased through petroleum ether, and then subjected to cellulase extraction, alcohol precipitation, starch removal and protein removal to prepare the crude polysaccharides of wheat bran. The reaction conditions of the method provided by the invention are moderate, acids and bases damaging a polysaccharide structure are avoided, the overall preparation process is simple, and the method is a practical, efficient and high-yield method for preparing the polysaccharides of wheat bran. Meanwhile, the polysaccharides of wheat bran, which are prepared by the method provided by the invention, have the advantages of being high in sugar content, high in purity, high in bioactivity and the like.
Owner:HUAIYIN TEACHERS COLLEGE

Receptacle for weighing prescribed target quantities of substances

A receptacle for the weighing-in of free-flowing substances has a fill opening, a tubular-shaped circumference wall, and a bottom part. The bottom part is connected to the tubular-shaped circumference wall, which it tightly closes off in the direction of gravity when the weighing receptacle is in its operating position. The weighing receptacle can be set on the weighing pan of a balance and can be filled like a beaker with free-flowing substances without allowing the latter to escape therefrom. The bottom part can be opened either by an outside force acting on the weighing receptacle and / or through the influence of a solvent acting on the weighing receptacle, forming an outlet orifice in the bottom part. The weighing receptacle, otherwise tightly sealed in the direction of gravity, can be flushed out with a fluid when the outlet orifice is opened.
Owner:METTLER TOLEDO INC

Rabbit anti-big gerbil immune serum

A rabbit anti-Rhombomys opimus immune serum is prepared by the following steps of: (1) preparation of Rhombomys opimus serum IgG antigen by collecting Rhombomys opimus blood, separating Rhombomys opimus serum by centrifugation, adding into saturated ammonium sulfate solution, refrigerating, performing high speed centrifugation to remove impurities and fibrin in the serum, collecting the supernatant, supplementing saturated ammonium sulfate solution, refrigerating, performing high speed centrifugation, removing the supernatant, collecting the sediment that is crude Rhombomys opimus serum IgG, purifying, charging into a dialysis bag, and dialyzing overnight; and (2) preparation of rabbit anti-Rhombomys opimus IgG antibody by selecting experimental rabbit, sucking the Rhombomys opimus IgG antigen, immunizing a rabbit by multi-site hypodermic injection along both sides of the rabbit spine for four times, collecting blood from the experimental rabbit, isolating serum, detecting antibody, collecting blood from carotid artery of the experimental rabbit when the antibody titer reaches 1:32, standing, and centrifuging when serum is separated out to obtain rabbit anti-Rhombomys opimus immune serum. The invention has the advantages of simple process and convenient application.
Owner:THE CENT FOR DISEASE CONTROL & PREVENTION OF XINJIANG UYGUR AUTONOMOUS REGION

Disposable sanitary napkin in line with ergonomics

The invention relates to the field of disposable absorption articles and particularly relates to a disposable sanitary napkin in line with ergonomics. The disposable sanitary napkin comprises a body,wherein the body comprises a liquid-permeable surface layer, a liquid-impermeable bottom layer and an absorption core arranged between the liquid-permeable surface layer and the liquid-impermeable bottom layer, the body comprises a front end part, a middle part and a rear end part, the absorption core located on the front end part is provided with a plurality of front low-lying grooves formed along a width direction, the absorption core located on the rear end part is provided with a plurality of rear low-lying grooves formed along a width direction, side edges of the body located at each rearlow-lying groove are outwards provided with fold lines, the absorption core is provided with an elastic body for covering the rear low-lying grooves, a stretch ratio of the elastic body in a length direction of the body is 1.1 to 1.2 times, and a plurality of penetrating holes are formed in the elastic body. According to the disposable sanitary napkin, the technical problem of the existing sanitary napkins that the risk of menstruation leakage is caused due to the fact that the sanitary napkins cannot be in fit with a body during wearing is solved.
Owner:FUJIAN HENGAN HLDG CO LTD +2

Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance

The invention relates to a method for twining a double helix line of an inhaul cable, in particular to a method for twining the double helix line of the inhaul cable having wind-rain induced vibration resistance. The double helix line comprises a steel wire, a helix rib and helix lines, wherein the twining method comprises the steps: (1) choosing the high-intensity zinc plated steel wire, helix rib and helix line, wherein the helix line is made of high-intensity colored polyethylene materials having the same color as the PE color of an inhaul cable jacket layer, and the diameter of the helix line is phi 5mm or phi 8mm based on the concrete outer diameter of the inhaul cable, (2) twisting the steel wire, wherein the steel wire bundle is concentrically twisted towards the left side, (3) wrapping, and (4) extrusion molding: wrapping the helix rib, extruding a black PE and colored PE double jacket layer outside of the wrapped steel wire bundle, wherein the jacket layer is tightly wrapped on the steel wire bundle; after finishing the extrusion molding, the helix rib is wrapped before cooling the PE of the double jacket layer; and two helix lines are wrapped at the same time. The inhaul cable prepared by using the twining method provided by the invention can efficiently resist wind-rain induced vibration so as to ensure the safety of bridges.
Owner:SHANGHAI PUJIANG CABLE

Method for detecting beta-carotene, astaxanthin and starch in haematococcus pluvialis under nitrogen stress

PendingCN113640245ARealize synchronous real-time monitoringDestructivePreparing sample for investigationMaterial analysis by optical meansMetaboliteNitrogen stress
The invention discloses a method for detecting beta-carotene, astaxanthin and starch in haematococcus pluvialis under nitrogen stress. The method comprises the following steps: S1, obtaining terahertz and far infrared band spectrograms under a haematococcus pluvialis stress environment by using a Fourier infrared spectrometer; S2, obtaining spectrums of beta-carotene, astaxanthin and starch standard substances by using the Fourier infrared spectrometer, and comparing the spectrums with the light obtained in the step S1 under the haematococcus pluvialis stress environment; S3, acquiring content change information of different substances in haematococcus pluvialis in the nitrogen stress environment multiple rounds to prepare a plurality of standard samples; S4, respectively detecting a spectrogram of the haematococcus pluvialis under nitrogen stress and a spectrogram of a metabolite of the haematococcus pluvialis under nitrogen stress by using the standard samples; and S5, establishing a correlation model based on the absorbance value at the characteristic peak position and the corresponding substance component. According to the invention, the problems that the conventional physical and chemical methods have destructiveness in pretreatment, and the physical and chemical methods are difficult to realize synchronous real-time monitoring of various metabolites are solved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Hydraulic energy storage power generation type anchoring system for wave energy power generation device

The invention discloses a hydraulic energy storage power generation type anchoring system for a wave energy power generation device. The hydraulic energy storage power generation type anchoring systemcomprises an anchor, an anchor chain, an anchor gear, a chain stopper, a mooring rope, a hydraulic cylinder, an energy accumulator, an oil tank and a hydraulic power generation system, wherein the anchor gear and the chain stopper are installed at the top end of the wave energy power generation device, one end of the anchor chain is connected with the anchor, and the other end is installed on theanchor gear and connected with a cable; the hydraulic cylinder, the energy accumulator, the oil tank and the hydraulic power generation system are installed in a bottom cabin of the wave power generation device, the other end of the cable is connected with a piston rod of the hydraulic cylinder, one path of a rod cavity of the hydraulic cylinder is connected to the energy accumulator through a one-way valve, the other path is connected with the oil tank through a one-way valve, and a rodless cavity of the hydraulic cylinder directly communicates with air in the bottom cabin. According to thehydraulic energy storage power generation type anchoring system, safe and reliable operation of the wave energy power generation device under severe sea conditions or typhoon conditions can be achieved, and the anchoring system is simple in structure, low in cost, easy and convenient to throw and easy to operate.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Double spiral wind-rain resistant vibration damping method

The invention relates to a vibration damping method in the technical field of bridge machines, in particular to a double spiral wind-rain resistant vibration damping method. The method mainly comprises the following steps: (1) twisting steel wires; (2) enwrapping, wherein enwrapping layers are uniform and compact and have no damage; (3) performing extrusion molding on a bundle of steel wires, winding spiral ribs, and extruding two cover layers of black PE and multicolor PE outside the enwrapped bundle of the steel wires, wherein the cover layers are wrapped compactly; (4) cutting off marks; (5) manufacturing an anchor; (6) performing super tensioning; and (7) packaging. The method inhibits the damage of wind-rain induced vibration to inhaul cables, and improves the service life of the inhaul cables.
Owner:SHANGHAI PUJIANG CABLE +1

An ultrasonic guided wave detection system and detection method for composite insulator defects

The invention discloses an ultrasonic guided-wave detecting system for the defect of a composite insulator. The ultrasonic guided-wave detecting system comprises a system master control computer, a signal generator, a power amplifier, a piezoelectric paster and a digital oscilloscope. The invention further discloses a detecting method applied to the ultrasonic guided-wave detecting system for the defect of the composite insulator. The detecting method comprises the following steps that 1, the frequency dispersion equation of propagation of guided waves in a composite insulator model is determined; 2, a corresponding frequency dispersion curve is obtained through insulator test piece related parameters tested through experiments; 3, stimulation guided wave frequency, periods and modal are determined according to a frequency dispersion curve conclusion; 4, stimulation and receiving points are selected, and defect detection of guided waves is achieved; 5, a guided wave detecting waveform is placed in a computer for data analysis processing, whether the defect exits or not it judged, and the size and type of the defect are judged. The detecting advantages of being accurate, fast, long in distance, large in range, low in cost and the like are achieved.
Owner:SOUTH CHINA UNIV OF TECH
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