496results about How to "Wide temperature range" patented technology

The invention belongs to the field of high-temperature part detecting equipment, in particular to a test device for simulating and testing the thermal fatigue failure of a high-temperature part in real time. The device mainly comprises a high-temperature gas two-way heating system, a real-time temperature testing and collecting system, a cooling system, an ARAMIS non-contact three-dimensional deformation test system, a PCI-2 AE non-destructive detection system, a 1260+1296-type material electric property AC impedance spectroscopy test system, a test control platform and the like. The device can simulate the thermal fatigue work environment of alternating temperature cycle in a high-performance aircraft engine, and synchronously realize the real-time testing and the analysis to the sample temperature, temperature gradient, surface morphology image evolution, three-dimensional deformation field, three-dimensional displacement field, interfacial oxide layer and thickening law, thermal fatigue crack initiation and propagation, cooling gas flow and other data. The device can provide an important experimental platform for effectively evaluating the fatigue failure process and the failure mechanism of the high-temperature part in the high-temperature thermal cycle environment.

The present invention includes methods and devices that detect target molecules in a biological sample. The sample analysis device of the present invention includes nanoparticles. In one embodiment, the nanoparticles are directly immobilized on the surface of the sample analysis device. In another embodiment, the nanoparticles are indirectly immobilized on the surface of the sample analysis device by incorporating them in appropriate media and immobilizing the nanoparticles within a matrix.

The invention provides a method for preparing a high-performance molybdenum-based hydrogen evolution electrode by phosphatizing a molybdate precursor and belongs to the fields of water electrolysis and electric catalytic hydrogen evolution in the chlor-alkali industry. The method comprises the steps of pre-processing foamed nickel, growing the molybdate precursor in situ on the surface of a pre-processed foamed nickel base with the hydrothermal synthesis method, and finally placing the prepared precursor and a phosphorus source into a rube furnace together for phosphating of the molybdate precursor so that the high-performance molybdenum-based hydrogen evolution electrode can be prepared. The method is novel, the technology adopted is simple, production cost is low, the requirement for equipment is low, and the method is suitable for industrial production. Furthermore, the electrode is large in specific area, can be combined with the base firmly, has excellent hydrogen evolution activity and stability, and can be widely applied to the fields of water electrolysis and hydrogen evolution in the chlor-alkali industry.

A liquid crystal compound represented by formula (1), a liquid crystal composition comprising the compound, and a liquid crystal display device comprising the composition:

For example, R¹ is alkyl having 1 to 20; ring A¹, ring A², ring A³, ring A⁴, ring A⁵, and ring A⁶ are 1,4-cyclohexylene or 1,4-phenylene; Z¹, Z², Z³, Z⁴, Z⁵, and Z⁶ is a single bond; X¹ is hydrogen or halogen; l, m, n, o, p, and q are 0 or 1, and l+m+n+o+p+q is 3.

It is an object to manufacture a highly reliable backlight device with less color unevenness and less luminance unevenness, and a high-performance and highly reliable display device including the backlight device, which can display a high quality image. A light emitting diode (LED) is used as a light source of a backlight device and thermoelectric elements are provided in a chassis for holding the light emitting diode so as to surround the light emitting diode (the thermoelectric elements are provided under the light emitting diode and on the four sides thereof). A temperature in the backlight device is adjusted by cooling and heating by the thermoelectric elements.

The invention discloses a measurement method for estimating actual available capacity by an SOC (state of charge) of a power battery set, belonging to the technical field of management of a power battery or the power battery set. The measurement method aims at solving a problem of high uniformity difference of the battery sets in an electric vehicle and a hybrid vehicle when in use, and to provide the measurement method for estimating the actual available capacity by the SOC of the power battery set. The actual available capacity of the power battery set is determined by monitoring voltages of batteries in the power battery set in charging and discharging processes according to situations that a highest voltage reaches an upper limit cut-off voltage in the charging process and a lowest voltage reaches a lower limit cut-off voltage in the discharging process, and actual charging and discharging cut-off voltages of the power battery set can be determined. A test proves that the actual available capacity of the batteries is determined by the measurement method and the batteries in the power battery set are good in voltage uniformity. The measurement method is suitable for measuring the actual available capacity of the power set in the electric vehicle and the hybrid vehicle.

It is to provide a silica glass containing TiO₂, having a wide temperature range wherein the coefficient of thermal expansion is substantially zero.

A silica glass containing TiO₂, which has a TiO₂ concentration of from 3 to 10 mass %, a OH group concentration of at most 600 mass ppm and a Ti³⁺ concentration of at most 70 mass ppm, characterized by having a fictive temperature of at most 1,200° C., a coefficient of thermal expansion from 0 to 100° C. of 0±150 ppb/° C., and an internal transmittance T_400-700 per 1 mm thickness in a wavelength range of from 400 to 700 nm of at least 80%. A process for producing a silica glass containing TiO₂, which comprises porous glass body formation step, F-doping step, oxygen treatment step, densification step and vitrification step.

The invention discloses a testing device for simulation and real-time detection of erosion of thermal barrier coatings of turbine blades, belonging to the field of simulation devices in a special service environment. The testing device comprises an erosion particle feeding system, a test testing platform (1), a temperature test system, an acoustic emission nondestructive testing system, a control platform and the like. An erect fixed shaft (101) is arranged on the test testing platform (1) and is connected with a horizontal supporting shaft. The testing device can be used for simulating the erosion service environment in which hard particles in a high-performance aero-engine repeatedly impact thermal barrier coatings of turbine blades due to the driving of airflow. By controlling the parameters such as erosion speed, angle, size and the like of erosion particles, the process that the coatings are eroded by different hard particles in the service process is realized and the real-time test and analysis of data, such as the temperature, the surface topography evolution, the interfacial oxidation of a sample and the like can be synchronously realized. The device can provide an important test platform for effectively assessing the erosion failure process and the failure mechanism of coatings of turbine blades in the special service environment.

The invention discloses a mixed format signal optical fiber transmission device. The mixed format signal optical fiber transmission device comprises a sending end, a fiber channel and a receiving end, wherein the sending end converts input camera link format video image signals and multi-channel universal serial signals into optical signals, the optical signals are sent to the receiving end through the fiber channel, and the receiving end receives the optical signals and restores the optical signals to original video image signals and multi-channel universal serial data signals. The mixed format signal optical fiber transmission device is suitable for optical fiber transmission of the camera link video image signals and the multi-channel universal serial signals in all configuration modes, the transmission of mixed format signals in a single-fiber channel at different rates can be achieved through multiplexing of a transmission bus, and consumption of extra fiber channels and devices is reduced. According to the mixed format signal optical fiber transmission device, electrical signal conversion processing and transmission control are achieved through a field programmable gate array (FPGA) device, the requirement for actual functions is met, meanwhile, the usage of application-specific integrated circuits is reduced, the advantage of high integration and universalization degrees can be achieved, and supports can be provided for further function extension and performance upgrading.

The invention provides a process for preparing a new plastic, which comprises the following steps: (1) preparing raw materials; (2) weighing and proportioning the raw materials; (3) mixing PVC powder, stabilizers, packing, plasticizers and other additives, then carrying out high-speed kneading on the obtained mixture, and preplasticizing the mixture so as to obtain a pre-plasticized mixture; (4) mixing the pre-plasticized mixture with TPU particles, carrying out banbury mixing on the obtained mixture under the condition of gradient temperature control so as to obtain colloidal products; (5) carrying out double-screw granulation on the obtained colloidal products; and (6) carrying out sorting, dehydration and packing on the granular products obtained in step 5 so as to obtain the new plastic. The process is simple, the conditions of the process are easy to control, and the process is suitable for large-scale production. The invention also provides a new plastic, which has the characteristics of high resistance to wear and scrape, high elasticity, easy recovery, high flame retardance, ultraviolet resistance, freezing damage (caused by low temperature in the north) resistance, environmental protection, soft handfeel and stick resistance, and the like; and the new plastic can be applicable to wire and cable compound.

The invention discloses a degradable type shield tail sealing grease of a shield excavation machine, belonging to the field of chemical grease. The degradable type shield tail sealing grease of the shield excavation machine is prepared by compounding the following raw materials in parts by weight: 16-20 parts of base oil, 10-16 parts of thickening agents, 68-76 parts of filling materials, 3-5 parts of lubricating agents, 0.5-2 parts of antioxidants, 0.3-1.7 parts of antirusting agents, 0.5-1.5 parts of antimildew agents, 5-7 parts of viscosity index modifying agents and 16-24 parts of plasticizing agents. The preparation method of the degradable type shield tail sealing grease comprises the following steps of: firstly adding the base oil, the thickening agents, the viscosity index modifying agents, the antirusting agents, the antimildew agents, lubricating agents and the antioxidants to an agitator according to weight ratio at normal temperature, and uniformly mixing and agitating; then adding the filling materials in batches, and uniformly mixing; finally adding fibers, and mixing and agitating for about 90 minutes. The degradable type shield tail sealing grease not only has property of the conventional shield tail sealing grease and the advantages of low cost, high adhesivity, good pumping effect and excellent sealing property, but also can be degraded by microbes contained in soil without polluting the soil and underground water, belongs to an environmental-friendly product.

Conventional TiO₂—SiO₂ glass contains hydrogen atoms substantially, and during deposition under ultrahigh vacuum condition, the hydrogen molecules will diffuse in the chamber, and H₂ molecules will be taken into a film thereby formed. Hydrogen molecules will readily diffuse, and the optical characteristics of the multilayer film are likely to be thereby changed.

In an optical material for EUV lithography, a multilayer film is coated by ion beam sputtering on a silica glass having a TiO₂ concentration of from 3 to 12 mass % and a hydrogen molecule content of less than 5×10¹⁷ molecules/cm³ in the glass.

A method for producing a toner, the method including discharging a toner composition liquid from a plurality of nozzles to form liquid droplets thereof, the toner composition liquid being prepared by dissolving or dispersing in a solvent a toner composition containing at least a binder resin, a colorant, an acid-modified hydrocarbon wax and an unmodified hydrocarbon wax, the waxes serving as a releasing agent, and solidifying the liquid droplets so as to form solid particles.

A crosslinkable, pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.

A display element having high response property, wide viewing angle property, and high contrast property, and exhibiting a wide driving temperature range and excellent durability and reliability. Between two facing substrates (1, 2), a cholesteric liquid crystal layer (3) made of a liquid crystal material exhibiting a cholesteric phase whose spontaneous twist pitch is shorter than a wavelength of visible light is provided. Facing planes of the substrates (1, 2) are provided with alignment films (8, 9) for aligning liquid crystal molecules near the interface of the substrate in a specific direction. Furthermore, the planes are provided with electrodes (4, 5) for applying an electric field on the cholesteric liquid crystal layer (3) in a direction substantially parallel to a plane of each substrate. The cholesteric liquid crystal layer (3) exhibits optical isotropy in the direction parallel to the plane of each substrate when no voltage is applied. Display is performed by applying an electric field on the cholesteric liquid crystal layer (3) so as to exhibit optical anisotropy in the direction parallel to the plane of each substrate.

The invention relates to multi-coordination-agent cyanide-free electrogilding liquid and an electrogilding process, which belong to the technical field of electrogilding. The electrogilding liquid is prepared from a main coordination agent, an auxiliary coordination agent, potassium hydroxide, potassium carbonate, goldpotassium chloride, combined additives and ultrapure water. The electrogilding process comprises the following steps: 1, preprocessing a substrate; 2, electroplating an intermediate nickel plating layer; 3, electrogilding, namely washing the substrate after electroplating the intermediate nickel plating layer with ultrapure water, directly feeding the substrate into a plating cell containing the multi-coordination-agent cyanide-free electrogilding liquid to be electrogilded, taking out a sample from the electrogilding liquid after the electrogilding, washing the surface of the sample by utilizing distilled water, and drying the sample through cold air. Double coordination agents are used as the coordination agents of gold ions in the electrogilding liquid, so that a cyanide-free electrogilding system which has high current efficiency, smoothness and compactness in plating layer crystallization, wide current density range, wide temperature requirement and capability of guaranteeing the golden bright appearance of the plating layer compared with those of a single coordination agent system is obtained.

The invention relates to a natural gas hydrate, and particularly to an accelerant for strengthening the generation of a gas hydrate. The accelerant for generating the gas hydrate, provided by the invention, is prepared by compounding of a novel anion gemini surfactant and solid activated carbon particles with a strong heat transmission effect at a certain mass ratio; a liquid mixture is formed after the high-speed mechanical agitation and the ultrasonic dispersion are conducted on the reagent, and the essence is that solid particles with a high heat-conducting property are wrapped in the gemini surfactant, so that nanometer solid particles cannot be agglomerated easily, and the mixing solution with uniformly dispersed solutes is formed, and the mixing solution is free of sediment; the application temperature ranges from 0 DEG C to 10 DEG C, the pressure ranges from 0 MPa to 12 MPa, and the time of hydrate generation induction period ranges from 1 min to 3 min; compared with the pure water system, the generation speed rate of the hydrate is increased by 140%-200%.

The technology relates to spray dried plasma and methods of making the same. The method includes providing plasma to a spray drying apparatus, spray drying the plasma, at the spray drying apparatus, to form physiologically active plasma powder, the spray drying apparatus configured utilizing one or more parameters, and storing the physiologically active plasma powder.

A high and low temperature resistant damping silicon rubber consists of organic polysiloxane 55-70%, hydrophobic carbon white 25-38%, polysiloxane or silane 0-7.6%, peroxide cross-linking initiating agent 0.4-3.0% or/and ferric oxide<=4%. The chain general formula of organic polysiloxane is R1xR2ySiO(4-x-y)/2, among them x+y is positive integral of 1-3, R1 is monoacidic alkyl, R2 is monoacidic unsaturated group such as phenyl, vinyl and allyl etc., content of phenyl is 5-15mol%, content of vinyl is 0.05-0.23mol% and molecular weight of polymer is 45-60 ten thousand. The process is carried out by mediating, mixing and vulcanizing. It has better damping characteristic, less compression deformation and higher mechanical strength. It can be used for aircraft damping absorber.

The invention discloses a catalyst for preparing synthesis gas or hydrogen and a preparation method and application of the catalyst. The catalyst comprises an active ingredient and an assistant, and is loaded on a carrier. The preparation method comprises the following steps: uniformly mixing raw materials for preparing the catalyst through a coprecipitation, impregnation or mixed-grinding manner, and roasting to obtain the catalyst. The catalyst is applied to reaction of producing synthesis gas by reforming of natural gas or reaction of producing hydrogen by reforming of natural gas, or reaction of producing the synthesis gas or hydrogen by reclaiming coalbed methane, purge gas and flue gas with methane ingredient being 5-50 percent by mole. The catalyst has the characteristics of high activity, high stability, high temperature resistance and the like, and overcomes defects of poor stability, high probability of inactivation and the like of an existing methane reforming catalyst.

A wireless passive temperature sensor comprising a surface acoustic wave (SAW) delay line is constructed on a piezoelectric substrate having a thermal coefficient of frequency. An array of addressable, wireless passive temperature sensors can be used to monitor an array of temperature points on a structure using a wireless reader. Each sensor can be monitored by measuring the frequency of maximum reflection in their respective bands. A wireless passive heat flux gauge uses two temperature sensors with different frequency and/or time delay responses to measure that temperature differential across a thermal conductor that has a well characterized thermal conductivity and thickness.

The invention belongs to chemical industry and waste gas process field, in particular providing a process method which mixes organic waste gas purifying and resource recovery. The specific procedure is that: make the mixed waste gas pass through a filter to be filtered, and then enters into a single-seat multilevel absorption tower and contacts with a packing layer and a liquid distribution device; when the series of the single-seat tower is 3, the second-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising the mixing liquid which is pumped in after cooled by a heat interchanger at the bottom of the adsorption tower and the mixing liquid which generates in the middle groove of the third-grade; the third-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising fresh absorbent, the regenerating liquid recycled by a mixing liquid separation device and the collecting liquid collected by a collecting hopper of third-grade; when the series of the single-seat tower is N and is larger than 3, all grades of absorbent from the second grade to the N minus 2 is a mixing liquid comprising a mixing liquid generated in the middle groove of the next grade and a collecting liquid collected by the collecting hopper on the same grade, the absorbent of the N minus grade is the colleting liquid collected by the collecting hopper of the N minus 1 grade, the absorbent of the N grade is a mixing liquid comprising of pumped fresh absorbent and the regenerating liquid recycled by the mixing liquid separation device. The fresh absorbent is an environment-protected organic solvent with high boiling point, strong lipophilicity and low volatility. The invention can recycle a plurality of organic infectant in waste gas, the technics procedure is simple, practical, and the operation cost is low.

The invention belongs to the technical field of surface treatment, and discloses a preparation method of a high-hardness self-lubricating wear-resistant composite coating on the surfaces of titanium and titanium alloy. The wear-resistant coating structure is composed of a hard ceramic phase formed by micro-arc oxidation and a low-friction-coefficient polytetrafluoroethylene filling phase. The method comprises the steps that: grinding is carried out, and the surfaces of titanium and titanium alloy are cleaned, such that surface oil stains and impurities are removed; titanium and titanium alloy are subjected to a micro-arc oxidation treatment, such that the hard ceramic phase with high hardness, low pore size, and high porosity is prepared; with a hot-dip process, polytetrafluoroethylene is filled on spaces, cracks, and surface of the ceramic coating; and with a heat treatment, the ceramic phase and polytetrafluoroethylene is fused together. With the method, the high-hardness and low-friction-coefficient wear-resistant composite coating can be prepared on the surface of titanium alloy, and the coating surface is flat and uniform. The coating has good corrosion resistance.

Composite materials with thermoelectric properties and devices made from such materials are described. The thermoelectric composite material may comprise a metal oxide material and graphene or modified graphene. It has been found that the addition of graphene or modified graphene to thermoelectric metal oxide materials increases ZT. It has further been found that the ZT of the metal oxide becomes effective over a broader temperature range and at lower temperatures.

The invention relates to a flame retardant sodium-ion battery electrolytic solution and application thereof. The electrolytic solution comprises the following ingredients with the concentration: 0.001-2mol/L sodium salt, carbonate esters and/or ether organic solvents, 0.1-50% of a flame retardant additive and 0-0.5mol/L other functional additives. The flame retardant sodium-ion battery electrolytic solution is applied into a sodium primary battery, a sodium secondary battery and a sodium ion battery. A sulfuryl fluoride base group-containing compound has good flame retardance, has little influence on the electrochemical performance and can be used as a novel electrolytic solution flame retardant additive; the flame retardant additive is added into the electrolytic solution, so that the combustibility of the electrolytic solution can be reduced. A phosphonitrile base group-containing compound has good flame retardance, has little influence on the electrochemical performance, and can be used as a novel electrolytic solution flame retardant additive; the flame retardant additive is added into the electrolytic solution, so that the combustibility of the electrolytic solution can be reduced. After the electrolytic solution is applied to the sodium battery, the combustion possibility of the electrolytic solution is zero.

The invention discloses a bearing retainer material and a preparation method thereof. The material is prepared from the following raw materials in percentage by weight: 2 to 5 percent of molybdenium disulfide, 8 to 12 percent of polyimide, 9 to 15 percent of polybenzoate, the balance of polytetrafluoroethylene. The preparation method comprises the following steps of: weighting the raw materials; mixing the raw materials; grinding the mixture; loading the mixture into a mould; pressurizing to prepare a blank; sintering the blank; and processing the blank into a finished product. The retainer material has the advantages of high temperature resistance, low temperature resistance, dimension stability, small erosion to metal and rubbed surfaces and good abrasion resistance. A retainer made of the bearing retainer material can be used under harsh conditions of no magnetism, ambient temperature changed between -19 and +55 DEG C, and rotation speed up to 7,200r/min so as to improve the performance of bearings.

The present disclosure is directed to an optical apparatus suitable for coupling to an optical network. The optical apparatus is adapted to transmit multiplexed optical signals on the optical network and/or de-multiplex optical transmissions from the network. The optical apparatus includes an optical waveguide and an optoelectronic device. The optical waveguide has a set of diffractive elements in the form of a scribed volume hologram, which provides an optical transfer function. The optical waveguide also includes a first optical port and a second optical port. The second optical port is adapted to be optically coupled to the optical network. The optoelectronic device includes a plurality of optical portions. The optoelectronic device is adapted to convert optical signals at the optical portions into electric signals and/or convert electric signals into optical signals at the optical portions.

The invention relates to an energy-saving high-temperature counter radiation resistant inorganic coating for coating the liner of a kiln and a preparation method thereof. The coating mainly comprises oxides, such as cobalt oxide, zirconium oxide powder, aluminum oxide and chromic oxide, and silicon powder, silicon carbide, sodium silicate, aluminium dihydrogen phosphate, silica flour, graphite powder, boron oxide and other components and is prepared by grinding, soaking, heating reaction, stirring and mixing. The coating has high thermal shock resistance, high radiation utilization rate, high corrosion resistance, high cracking resistance, high oxidization resistance and high thermal stability. The inorganic coating of the invention has the advantages of allowing for normal construction without making special modification of the basal body of the kiln, along with small investment, quick response, no toxicity, no corrosion and desirable social and economic benefits.

The invention relates to a strengthen porcelain and a production process thereof, which more particularly relates to an eggshell strengthen porcelain and the corresponding production process. A body of the eggshell strengthen porcelain comprises kaolin, weathered potash feldspar, quartz, Alpha oxidized aluminum single crystal, zirconia single crystal, bentonite and talc. The production process of the eggshell strengthen porcelain comprises steps of ore sorting, batching, ball milling by adding water, sieving, removing iron, pressure filtering, clay preparation, forming, baking, biscuit firing, glazing, sintering to finish. The product of the invention has good whiteness, transmittance and thermo stability, high mechanical strength, smooth glaze, light instrument; the thickness of the product is approximately one half of the traditional strengthen porcelain only.

The invention provides freshwater chlorella sorokiniana XJ02 and application thereof in fixation of CO2 and production of microalgae oil. The preservation number of the chlorella is CCTCC (China Center For Type Culture Collection) NO: M2013104. The chlorella disclosed by the invention can be used for fixing 0.03-20% of CO2 at high efficiency, the CO2 fixation efficiency of chlorella is 130-343mg/L/d, the biomass (dry weight) concentration of the chlorella is 720-2250mg/L, the oil content of chlorella is 29.2-41%, the oil fatty acid of the chlorella is mainly composed of C16 and C18 short-chain fatty acids, and the chlorella is suitable for production of biodiesel. Compared with the reported microalgae, the chlorella has higher CO2 fixation efficiency and biomass yield; and the chlorella can be used for obtaining the microalgae oil at high yield by selecting an appropriate culture condition, thus the production cost of the microalgae oil can be greatly reduced. An excellent production algae is provided for high-efficient fixation of CO2 in the environment and preparation of biodiesel by the microalgae oil.