97results about How to "High environmental tolerance" patented technology

An insulating transformer includes a semiconductor substrate, an insulating substrate, a primary winding provided on one of the semiconductor substrate and the insulating substrate, a secondary winding provided on other of the semiconductor substrate and the insulating substrate, and an insulating spacer layer provided in between the semiconductor substrate and the insulating substrate for insulating and separating the primary winding and the secondary winding. The primary winding and the secondary winding are disposed to face each other. The insulating spacer layer maintains a constant interval between the semiconductor substrate and the insulating substrate.

The invention relates to a manufacturing method for a nanometal transparent conductive film. Specific steps are as follows: (1) manufacturing a nanometal into an initial suspension liquid; (2) preparing an additive; (3) adding the additive into the nanometal initial suspension liquid so that a coating nanomeal ink is prepared; (4) coating the nanometal ink on a substrate in a spin coating, slit-type coating, slightly concave plate coating or spray coating method and then pre-baking for 5-20 minutes in a dryer at 100 degrees and then putting the substrate into the drying oven to bake for 5-20 minutes at 140 degrees; (5) at last, making the substrate with a conductive layer pass a planishing mill so as to obtain a conductive layer which is lower in haze level. Through optimization of a formula of the nanometal suspension liquid and conditions of a coating process, a one-step-method coating process is adopted to improve the hardness and the environment tolerance of the film and reduce the haze level of the film.

In the present invention, provided is a phosphor member capable of improving a yield and an extraction rate, in addition to high environmental tolerance, high heat resistance, high durability and a high color rendering property, by which variations of color and an amount of light are reduced, and also provided are a method of manufacturing the phosphor member and an illuminating device. Disclosed is a phosphor member prepared separately from an LED light source constituting a white illuminating device, wherein the phosphor member possesses phosphor particles and an inorganic layer having been subjected to coating and a heat treatment.

The invention discloses a method for preparing gentio-oligosaccharide by using immobilized beta-glucosidase. The method for preparing the gentio-oligosaccharide by using the immobilized beta-glucosidase comprises the following steps of: 1) preparing beta-glucosidase through solid-state fermentation of Aspergillus niger; 2) immobilizing the beta-glucosidase by a crosslinking-embedding method; and 3) producing the gentio-oligosaccharide by transforming glucose by using the immobilized beta-glucosidase. The recovery rate of enzyme activity of an immobilized enzyme prepared by the method is up to 60 percent, and the conversion rate of a substrate, namely the glucose converted by the immobilized enzyme is 45 percent; and the stability and pH tolerance of the immobilized enzyme are remarkably improved, the mechanical strength is high, the immobilized enzyme can be continuously and repeatedly used for 4 to 6 bathes, and the enzyme activity is kept unchanged. The utilization rate of the gentio-oligosaccharide produced by an enzyme method is improved, the production cost and difficulty in separation and purification of the gentio-oligosaccharide are reduced, and the method is suitable for large-scale continuous production and has a great significance for improving the technical level of the production of the gentio-oligosaccharide in China.

The invention provides a preparation technology of metal nanometer fiber. The preparation technology comprises the following steps: 1) dissolving metal salt, macromoleclar polymer and curing agent in a solvent, obtaining a static spinning liquid; 2) placing the static spinning liquid in a static spinning equipment for spinning, obtaining a jet spinning protofilament, and collecting the jet spinning protofilament in a single fiber mode on a first collection reel; 3) slowly pulling out the jet spinning protofilament on the first collection reel collected in the step 2), placing the jet spinning protofilament in a two stage continuous tunnel furnace for heating and sintering, wherein, a front section is air atmosphere sintering and a back section is a reducing atmosphere sintering; 4) winding and collecting a metal nanometer fiber obtained by sintering in the step 3) in single fiber mode to a second collection reel, and obtaining a metal nanometer fiber. According to the invention, the continuous single metal nanometer fiber of high quality is effectively formed, and the fiber has the ultrafine, ultrasoft and high conductive characteristics.

The invention discloses a perimeter security system based on a single optical fiber and a fiber bragg grating of the single optical fiber, which is suitable for fields such as optical fiber communication and optical fiber sensing. An output end of a light source (1) of the system is connected with an input end of a phase modulator (13); an output end of the phase modulator is connected with a first branch (101) of a Y branching device; a second branch (102) of the Y branching device is connected with an input end of a wave separator (3); a third branch (103) of the Y branching device is connected with one end of an optical fiber (4); a knocking signal (5) is applied to the optical fiber and an output end of the wave separator (3) is connected with an input end of a photoelectric detector (6); an output end of the photoelectric detector is connected with an input end of an amplifying circuit (7); an output end of the amplifying circuit is connected with an input end of a signal processing module (8); and an output end of the signal processing module is connected with a display module (9) and a loudspeaker (10). The system has a simple structure and is easy to realize; and an interference field can be formed by the single optical fiber to detect and position an invading signal.

The invention discloses chalcogenide glass and a preparation method thereof and relates to the field of glass deep processing.The technical problem that a diamond-like carbon film on the surface of chalcogenide glass is prone to rupture is solved.The chalcogenide glass comprises a chalcogenide glass substrate and a coating film layer deposited on the surface of the chalcogenide glass substrate.The coating film layer comprises a germanium carbide film layer and a diamond-like carbon film layer deposited on the surface of the germanium carbide film layer in sequence from the chalcogenide glass substrate.The chalcogenide glass has excellent optical properties and good surface strength.By intruding the germanium carbide transition layer between the chalcogenide glass substrate and the diamond-like carbon film, the adhesive force between the chalcogenide glass substrate and the diamond-like carbon film is increased, the problem that the diamond-like carbon film on the surface of the chalcogenide glass is prone to rupture is avoided, and the environmental tolerance of the chalcogenide glass is enhanced.

Disclosed are: a phosphor member which can reduce color variation and light-intensity variation, improve environmental tolerance, heat resistance, durability and color rendering, and increase yield and retention; a method for producing the phosphor member; and a lighting device. This phosphor member, which is produced separately from an LED light source constituting a white lighting device, is characterized by comprising phosphor particles and an inorganic layer obtained by coating and heating treatments.

The invention relates to a nitrogen fertilizer synergist which comprises 0.1-50 wt% of nitrogen fertilizer inhibitor and 50-99.9 wt% of polymer or polymer salt, wherein the nitrogen fertilizer inhibitor is combined with the polymer or polymer salt through covalent bond or ionic bond. By compounding the nitrogen fertilizer inhibitor with the polymer or polymer salt, the nitrogen fertilizer synergist can effectively avoid the problems of volatilization and hydrolysis after the nitrogen fertilizer inhibitor is directly added into the nitrogen fertilizer, obviously lowers the degradation efficiency of the nitrogen fertilizer inhibitor in soil after the nitrogen fertilizer is applied, prolongs the half life in soil, and obviously displays the effect on inhibiting the nitration of the nitrogen fertilizer, thereby enhancing the environment tolerance of the nitrogen fertilizer. Besides, the invention also relates to a nitrogen fertilizer containing the nitrogen fertilizer synergist.

The present invention relates to strengthened cyanoacrylate adhesive compositions. More particularly, the present invention relates to strengthened cyanoacrylate adhesive compositions which contain agraphite platelet material that increases the shear and peel strength of the compositions.

The invention provides a negative photosensitive composition being capable of low temperature curing. A cured film with high transparency and high chemical resistance can be obtained. A pattern forming method employing the composition is provided. The negative photosensitive composition is characterized by comprising a polysiloxane, (methyl) acrylic polymers, a compound comprising more than two (methyl) acryloyl groups, a polymerization initiator and a solvent.

An image capturing lens assembly includes five lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof and includes at least one convex critical point in an off-axis region thereof.

A thin-film piezoelectric element, a manufacturing method thereof, and an actuator using the thin-film piezoelectric element. In the actuator of the present invention, the first and second structures in which the piezoelectric film is sandwiched between the main electrode film and the counter electrode film are respectively formed on two substrates. The first main electrode film 2 and the first counter electrode film 5 have protrusions 211 and 511 , respectively, and the second counter electrode film 15 has a protrusion 151 . There are connection wirings 9 for connecting the structure bonding the above two structures and the protruding portion 211 and the second main electrode film 12 , and between the protruding portion 511 and the protruding portion 151 . In this way, an actuator capable of high-precision position control can be provided.

The invention provides a silica glass member for wavelength conversion for which environmental tolerance, heat resistance, durability and color rendering properties are high, which can be produced using a low-heat process, and which can efficiently convert wavelengths; and a production method therefor. The silica glass member for wavelength conversion is formed by a silica glass substrate and a silica glass surface layer film formed on the surface of the substrate. The silica glass surface layer film is obtained by coating the surface of the silica glass substrate with a polysilazane-containing solution which contains phosphor particles the average particle diameter of which is 0.1 mu m-20 mu m and spherical silica fine particles which are hydrophobic and have an average particle size of 1nm-100nm, drying the coated substrate in the air, and carrying out heating of the same in a water-vapor atmosphere. In the polysilazane-containing solution, the ratio of phosphor particles to the total amount of the polysilazane and phosphor particles is 10:3-7 parts by mass, and the NH group concentration of the silica glass surface layer film is no more than 1000ppm.

The invention relates to a surface hydrophobing agent, particularly to an antifouling anti-scale nano easy-to-clean coating solution, and a preparation method and application thereof. The preparation method of the antifouling anti-scale nano easy-to-clean coating solution comprises the following steps: (1) dissolving a silane coupling agent or a titanate coupling agent and an active-group-containing perfluorinated organic matter in C2-C5 saturated monohydric alcohols, regulating the pH value to 2-4 by using an acidic catalyst, adding a curing agent, and performing a reaction at 40-60 DEG C to form a gel liquid; and (2) adding nano fumed silica into the transparent gel liquid obtained in the step (1), and performing uniform dispersion to obtain the antifouling anti-scale nano easy-to-clean coating solution. The antifouling anti-scale nano easy-to-clean coating solution provided by the invention is hydrophobic and oleophobic; low surface energy is achieved; the surface is easy to clean; and the coating solution is capable of resisting fouling and scales, is transparent and friction-resistant, and can be stored stably. The coating solution has the characteristics of favorable chemical stability and the like, and can be cured at normal temperature. The production technique is simple, and is suitable for large-scale production and application.

The invention provides a connection structure of a connection end of a component and a connection terminal used in instruments and meters, discloses the connection structure of the connection end of the component and the connection terminal which is especially suitable for the field of electric energy meters, and aims at providing the connection structure of the connection end of the component and the connection terminal which is simple in structure, low in resistance in a contact position of the connection end of the component and the connection terminal, large in axial torsion of the connection terminal and low in self-power-consumption. The connection structure of the connection end of the component and the connection terminal comprises the connection terminal and a sampling device, wherein the connection terminal is a metal connection cylinder. Two ends of the metal connection cylinder are respectively provided with opposite holes, and the opposite holes are not communicated with each other. One end of the connection terminal is provided with a connection hole used for input and output of meter external power, and the other end of the connection terminal is connected with an input and output end binding post of the component, and a compression joint structure is formed by the other end of the connection terminal and the input and output end binding post of the component. The connection structure of the connection end of the component and the connection terminal has the advantages of being simple in structure, and convenient to produce and assemble. Meanwhile, the connection structure of the connection end of the component and the connection terminal can not loose or fall off easily and can improve usability of the component and the like.

The invention relates to a manufacturing method for a highly-wear-resistant nanometal transparent conductive film. The method is characterized in that the manufacturing steps are as follows: (1) manufacturing a nanometal into an initial suspension liquid; (2) preparing an additive; (3) adding the additive into the nanometal initial suspension liquid so that a coating nanomeal ink is prepared; (4) coating the prepared nanometal ink on a substrate in a spin coating, slit-type coating, slightly concave plate coating or spray coating method and then pre-baking for 5-20 minutes in a dryer at 100 degrees and then putting the substrate into the drying oven to bake for 5-20 minutes at 140 degrees and then a high-hardness and great-compactness conductive layer is obtained; (5) at last, making the substrate with the conductive layer pass a planishing mill so as to obtain a conductive layer which is lower in haze level. A one-step-method coating process is adopted to improve the hardness and the environment tolerance of the film and reduce the haze level of the film.

The invention relates to a miniature silicon sapphire differential pressure sensor. The miniature silicon sapphire differential pressure sensor is used for measuring pressure and differential pressure of hydraulic pressure or air pressure, and is characterized in that a metal diaphragm is processed at the top of a sensitive core body; a silicon sapphire chip is arranged on the metal diaphragm; the metal diaphragm and the silicon sapphire chip are integrated into one body through high temperature sintering, and are connected with a circuit board through pinboards and a first wire; the sensitive core body is overall arranged in a pedestal; the upper segment of the sensitive core body is a threaded segment, and is in threaded connection with the pedestal; and the lower segment of the sensitive core body is a sealing segment, and is in sealed connection with the pedestal. The invention relates to a miniature silicon sapphire differential pressure sensor which not only avoids the hidden trouble caused by leakage of silicone oil in a current oil sealing type silicon piezoresistive differential pressure sensor, but also has the advantages of miniaturization, high accuracy, high anti-interference capability, high reliability, and high environmental adaptability.

The invention discloses an unmanned watching system for railway on-site operation protection based on coreless optical fiber sensing, and is suitable for the fields of railway construction, optical fiber sensing and the like. The unmanned watching system consists of a measuring module and a receiving module, wherein the output end of a laser source (1) of the measuring module is connected with the input end of a phase modulator (2); the output end of the phase modulator (2) is connected with the input ends of coreless optical fibers (3); vibration signals are applied to the coreless optical fibers; the output ends of the coreless optical fibers (3) are connected with the input end of a photoelectric detector (4); the output end of the photoelectric detector (4) is connected with the input end of a signal processing module (5); the output end of the signal processing module (5) is connected with the input end of a wireless transmitting module (6); the output end of a wireless receiving module (7) of the receiving module is connected with the input end of a signal processing module (8); the output end of the signal processing module (8) is connected with a display module (9) and a loudspeaker (10). Through the adoption of a coreless optical fiber sensing technology, the unmanned watching system can accurately position an approaching train, and has the advantages of low energy dependence, electromagnetic interference resistance, corrosion resistance and the like; the phenomenon that at mountain regions and curve regions, which are poor in observation conditions, protection personnel cannot inform on-site construction personnel to avoid a train in time can be avoided.

Optical multi-channel measurement unit for a process measurement includes first ends for receiving optical radiation from the optical radiation source, and second ends for outputting the optical radiation for illuminating the at least one object. Optical detectors receive optical radiation from at least one measurement channel via at least one optical filter and convert an intensity of the optical radiation to an electrical signal. A movement mechanism causes, for filtering the wavelengths of the optical radiation propagating between detectors and the optical measurement channels through the optical filters, at least one of the following: movement inside at least one optical filter and movement between the filters and the detectors.

The present invention provides a method of preventing or treating obesity by administering the probiotic bacterium of a novel Parabacteroides goldsteinii strain to the subject in need. The novel Parabacteroides goldsteinii strain is derived from the gastrointestinal tract of an individual and has better aero-tolerance and better acid-tolerance therefore it has better environmental tolerance to adapt to different living environments. The novel Parabacteroides goldsteinii strain not only can effectively prevent the weight gain of the individual, but also can effectively slow down the weight gain of the obese individual; therefore, the novel Parabacteroides goldsteinii strain of the present invention can be used for preparing a pharmaceutical composition for prevention and / or treating obesity.

The invention provides a double-cylinder hydraulic telescopic excavator shovel head, and relates to the technical field of excavators in mechatronics. The double-cylinder hydraulic telescopic excavator shovel head comprises a first shovel head body and further comprises a second shovel head body and a third shovel head body which are symmetrically connected to the two sides of the first shovel head body. The two ends of the first shovel head body are connected with a first telescopic plate and a second telescopic plate correspondingly. A first guide rail matched with the first telescopic plateis arranged on the side wall of the second shovel head body. The first guide rail is internally provided with a first limiting clamping base used for limiting the first telescopic plate. The side wall of the third shovel head body is provided with a second guide rail matched with the second telescopic plate. The second guide rail is internally provided with a second limiting clamping base used for limiting the second telescopic plate. A hydraulic device for driving the second shovel head body and the third shovel head body to transversely move is further fixed to the back side of the first shovel head body. The double-cylinder hydraulic telescopic excavator shovel head has the beneficial effects that the structure is flexible, the dustproof effect is good and work durability is high.

The invention discloses an electrode capable of reversing polarity, and application thereof. The electrode comprises a substrate, a middle layer and a catalyst layer, wherein the substrate comprises metal or alloy thereof; the middle layer is arranged on the substrate and comprises platinum group metal and platinum group metal oxide; and the catalyst layer is disposed on the middle layer, and the catalyst layer includes a mixed metal oxide. The electrode can be used as an electrode for electrolysis, electrodialysis or electroplating. The electrode can meet the working environment requirements of the cathode and the anode at the same time, the environmental tolerance is improved, and the protection of the substrate is realized; and polarity reversal can be carried out, and sediments on the surface of the electrode can be quickly and efficiently cleaned.

Methods and compositions are provided for the improvement of double-strand-break-inducing agent activity in eukaryotic cells, through the usage of one or more morphogenic factors or developmental genes. The morphogenic factor may be provided to the same cell or to a different cell than that comprising or receiving the double-strand-break-inducing agent. The morphogenic factor may be provided to a cell as a polynucleotide composition on a recombinant vector, and may be placed on the vector outside of a T-DNA border. The morphogenic factor may be provided via an upregulation of an endogenous gene. The morphogenic factor, or the double-strand-break-inducing agent, may further comprise a cell penetrating peptide. The morphogenic factor may be co-introduced with a vector comprising RepA.

The invention discloses a granulation method of a microbial fertilizer. The method comprises: carrying out solid fermentation on an organic material containing microbial bacteria to obtain a bacterial fertilizer, and carrying out molding granulation on the bacterial fertilizer to obtain bacterial fertilizer particles; carrying out surface mechanical activation treatment on the bacterial fertilizer particles; respectively preparing modified starch with the particle size of 0.01-5 microns and aerated concrete powder with the particle size of 50-200 microns, mixing the modified starch with the aerated concrete powder, adding a dispersing solvent, and stirring to obtain coating slurry; and carrying out coating treatment on the bacterial fertilizer particles by using the coating slurry, and drying to obtain the microbial fertilizer. In the granulation process of the biological bacterial fertilizer, the surfaces of fertilizer particles are firstly activated and then coated with the coating film prepared from the aerated concrete powder and the modified starch, so that fertilizer efficiency components are fully fixed and cannot be directly and completely collapsed, dissolved and lost when meeting water, and stable dissolution and emission of the fertilizer efficiency can be always kept by the microporous structure; therefore, the slow-release effect is achieved, the environmental tolerance of the biological bacterial fertilizer is improved, and the long-term stability of the fertilizer efficiency is ensured.

The invention discloses a preparation method of a covalent organic framework encapsulated enzyme, which comprises the following steps: firstly mixing an enzyme solution protected by polyvinyl polypyrrolidone with an aldehyde ligand solution, then conducting mixing with an amino ligand solution, and conducting centrifuging to obtain a precipitate which is the covalent organic framework encapsulated enzyme. The aldehyde group ligand is 1,3,5-triformylphloroglucinol, and the amino ligand is biphenyl diamine. The covalent organic framework encapsulated enzyme is prepared by adopting a one-step synthesis method, and the method is simple to operate, good in repeatability and high in stability. Compared with a traditional enzyme immobilization method, the crystalline porous covalent organic framework prepared by the method can overcome the defect of incomplete retention of enzyme active sites caused by traditional enzyme immobilization. The covalent organic framework encapsulated enzyme can enhance the environmental tolerance of the free enzyme and improve the recovery rate and cyclic utilization rate of the free enzyme.

The invention provides a thermoelectric refrigeration auxiliary direct-current power transmission converter valve cooling system. The system comprises a water supply pump, a deionization system, a main circulating pump, a converter valve, an outer cooling heat exchanger, a main filter and a three-way valve. The system further comprises a refrigeration galvanic couple pile and a controllable direct-current power supply, wherein the refrigeration galvanic couple pile and the controllable direct-current power supply form a closed loop, the hot end of the refrigeration galvanic couple pile is connected with the water outlet end of the converter valve through a plate-type heat exchanger, and the cold end of the refrigeration galvanic couple pile is connected with the water inlet end of the converter valve through a plate-type heat exchanger. According to the thermoelectric refrigeration auxiliary direct-current power transmission converter valve cooling system provided by the invention, the overall heat dissipation capability of the outer cooling heat exchanger of the direct-current power transmission converter valve cooling system can be improved, and the size of the outer cooling heat exchanger can be reduced; and the direction of current of the refrigeration galvanic couple pile is changed through a commutator to achieve the function of a heater in winter, thereby reducing the power of the heater.

The invention discloses a green micro-ecological compound fertilizer and a preparation method thereof. The green micro-ecological compound fertilizer is prepared from the following raw materials in parts by weight: 30-60 parts of a bio-organic fertilizer base material, 8-20 parts of liquid biological bacteria, 5-18 parts of modified starch and 18-25 parts of aerated concrete powder. The micro-ecological compound fertilizer has the characteristics of greenness, environment-friendliness and high efficiency. Besides, the aerated concrete powder and the modified starch are added into the compound fertilizer. A large number of micro-pores are formed in the surface and the interior of the aerated concrete powder, and the aerated concrete powder can serve as a filling carrier of organic fertilizer and biological bacteria. The modified starch, on one hand, plays a role in bonding, and on the other hand, the ionic groups in the modified starch are matched with the aerated concrete powder to form a spatial net-shaped structure, so that organic fertilizer and biological bacteria in the fertilizer particles are fully fixed and cannot directly collapse and lose when encountering water, and the micro-porous structure can always keep stable emission of the fertilizer, so that the environmental tolerance of the compound fertilizer is effectively improved, and the long-term stability of the fertilizer efficiency is ensured.