48results about How to "Good environmental tolerance" patented technology

The invention relates to a preparation method of a polymer weak gel deep profile control agent. The preparation method comprises the following steps of preparing sodium carboxymethyl cellulose and distilled water into sodium carboxymethyl cellulose water solution of which the mass percentage is 1%-2%; adding acrylamide of which the mass is 2-8 times as great as that of the sodium carboxymethyl cellulose into the sodium carboxymethyl cellulose water solution, and then adding a cross-linking agent which accounts for 0.01%-2% of the total weight of the sodium carboxymethyl cellulose and the acrylamide; enabling nitrogen to enter into a closed system and isolating the air, and adding an initiating agent which accounts for 1%-2% of the total mass of the sodium carboxymethyl cellulose and the acrylamide; and discharging after carrying out constant-temperature reaction for 4-12 hours under the temperature of 30-60 DEG C. According to the preparation method disclosed by the invention, the acrylamide is grafted to the sodium carboxymethyl cellulose, polymer weal gel with a mesh structure is formed under the action of the initiating agent and the cross-linking agent, and a polymer weak gel system integrates the advantages of the sodium carboxymethyl cellulose and the acrylamide.

The invention discloses a flexible photovoltaic integrated power supply system. The power supply system comprises a physical power supply, a chemical power supply and a power supply controller. Solar energy is converted into electric energy through the physical power supply. A flexible thin film solar battery module is adopted and comprises an amorphous silicon thin film solar battery module, a microcrystalline silicon thin film solar battery module, an amorphous silicon-germanium thin film solar battery module, and a laminated solar battery module consisting of the amorphous silicon thin film solar battery module, the microcrystalline silicon thin film solar battery module and the amorphous silicon-germanium thin film solar battery module, or a copper-indium-gallium-selenium thin film solar battery module. The chemical power supply adopts a storage battery component which comprises a nickel-cadmium battery module, a nickel-hydrogen battery module, a lithium ion battery module, an alkaline-manganese charging battery module or a lead-acid storage battery module. The power supply controller is a solar power supply single output controller with the model of V-ST10, is respectively connected with the physical power supply, the chemical power supply and the load, and is used for regulating and controlling the physical power supply and the chemical power supply. The flexible photovoltaic integrated power supply system provided by the invention has the advantages of good flexibility, light weight, high intensity, good environment tolerance and the like.

The invention discloses a method for remedying heavy metal polluted soil by inducing calcium carbonate precipitation through microorganisms, and belongs to the technical field of geotechnical engineering. The method comprises the following steps: step 1, preparing a bacterial liquid and a cementing liquid; step 2, detecting the concentration of heavy metal pollutants in a suspected contaminated site; step 3, remedying the heavy metal polluted soil; and step 4, detecting the remedying effect. A slurry mixing mode is adopted, the cementing liquid, the bacterial liquid and the heavy metal pollutants can be in full contact, the operation is easy, the cost is low, the remediation uniformity is good, secondary pollution is avoided, and remedied soil can serve as a roadbed filler.

Provided is a retrofocus type optical system including a lens or a layer made of a material satisfying the following conditions of the Abbe constant νd and partial dispersion ratios θgd and θgF,

νd<30,

θgd<−3.333×10⁻³·νd+1.40,

θgF<−2.615−10⁻³·νd+0.67.

In the case that this layer is disposed on the front side of the aperture stop, the layer is designed to have a positive refractive power, and in the case that the layer is disposed on the rear side of the aperture stop, the layer is designed to have a negative refractive index.

The invention discloses a vibrio alginolyticus bacteriophage and application thereof to prevention of sea cucumber disease, belonging to the technical field of biology. The bacteriophage is collected in the China General Microbiological Culture Collection Center on March 11, 2014 and has a collection number of CGMCC No.8792 and a classification name of Vibrio alginolyticus bacteriophage; the vibrio alginolyticus bacteriophage is a short-tailed phage, has a head diameter being 50 nanometers and tail length being 15 nanometers, and has no shrinkage tail sheath and six short tail fibers. The bacteriophage is used for preventing infection and pollution caused by corresponding vibrio alginolyticus in the culturing process of sea cucumbers, and the potency is more than or equal to 10<5>PFU/mL. The bacteriophage has an inhibiting function on vibrio alginolyticus, and no vibrio alginolyticus-resistant strain is produced within 12 hours; the incubation period lasts for 28 minutes, the burse size is 79, and two orders of magnitude are lowered within 14 days in a seawater culturing environment.

The use of inorganic or organic poly acids is claimed for treating mineral fertilisers containing a nitrification inhibitor. The use of compounds of formula (I) is claimed as nitrification inhibitors. R1 = H, halo or 1-4C alkyl; R2 = 1-4C alkyl; R3 = H or CH2OH, and when R3 = H, the compound may be converted to a phosphoric acid salt. A mineral fertiliser containing a poly acid and optionally (I) is also claimed. 3,4-dimethylpyrazole (Ia), 4-chloro-3-methyl-pyrazole (Ib), N-hydroxymethyl-3,4-dimethylpyrazole (Ic), N-hydroxymethyl-4-chloro-3 -methylpyrazole (Id), acid addition salts of (Ic) and (Id), and mixtures of two or more of (Ia)-(d) are new. -

The invention relates to the field of titanium and titanium alloy, in particular to an anodic oxidation coloring method free of introducing of elements inconsistent with titanium and titanium alloy base materials. The method comprises the following steps that 1, titanium and titanium alloy are ultrasonically cleaned in a Micro-90 cleaning solution; 2, the cleaned titanium and titanium alloy are put in an acid pickling solution to be treated; 3, the titanium and titanium alloy are washed thoroughly with purified water; 4, the cleaned titanium and titanium alloy are clamped on a specific hanging tool, and the hanging tool is put in an anodic oxidation coloring solution to be oxidized; 5, the titanium and titanium alloy subjected to anodic oxidation coloring is washed thoroughly with purified water; and 6, the thoroughly washed titanium and titanium alloy are blow-dried and then put in a clean transfer box to be transferred. According to the anodic oxidation coloring method, the safety of implantation medical instruments is guaranteed to the largest extent, meanwhile, titanium and titanium alloy with various surface states are subjected to anodic oxidation treatment through an improved acid pickling technology, and color consistency is guaranteed.

A decorative heat-preserved wall board with solar and air heat collection is provided, which comprises a back board, a panel, a rim and an inner cavity. The back board is a shallow box-like heat-preservation sandwich board, an air inlet is provided at the lower part of the box bottom, an air outlet is provided at the upper part of the box bottom, at the air outlet, a solar fan is installed. The power supply of the fan is a solar photovoltaic power generating board at inner side at front of the panel. The panel is a flat glass. Between the panel and the back board, the rim is connected. On the rim, some concave ports for connecting are provided. In the inner cavity enclosed by the panel, back board and the rim, a corrugated heat-absorbing board is fixedly connected on the inner bottom side of the shallow box-like heat-preservation sandwich board. The outer surface of the corrugated heat-absorbing board is provided with a heat-absorbing coating. The inner wall of the corrugated heat-absorbing board is connected with heat-exchanging fins. The inside of the corrugated heat-absorbing board forms a heat-exchanging cavity, which is communicated with the air inlet and the air outlet. The invention greatly reduces the cost of the wall board integrating solar with a building, is easy to maintain, improves the service life and is easy to spread and apply in large area.

A light-emitting device in colour adjustable type includes an organic light-emitting diode and a planar colour conversion layer. The planar colour layer formed by a certain dosage of fluorescent materials is coated or deposited on the organic light-emitting diode in planar manner and micro-light colour mixing effect of granules in the fluorescent material is used to change short wavelength light-emitting spectrum generated by the organic light-emitting diode into a long wavelength light-emitting spectrum for changing the light-emitting colour of it so that the organic light-emitting diode canadjust its light-emitting colour by using the planar colour conversion layer formed with different fluorescent materials.

The invention provides nickel, cobalt, lithium manganate core-shell material gel and a preparation method therefor. A nickel, cobalt, lithium manganate positive electrode material adopts a spherical-like core-shell structure doped with a little amount of metal elements, wherein the content of nickel in an inner layer is high, and the content of nickel in the outer layer is relatively low; a lithium source solution and a chelating agent solution are dropwise added to a metal salt solution I in sequence to form gel I; the gel is subjected to water bath heating to obtain a gelation precursor I; next, the gelation precursor is subjected to smashing and spheroidizing technologies to prepare a spheroidized precursor I; the lithium source solution and the chelating agent solution are dropwise added to a metal salt solution II in sequence to be subjected to gel treatment, sol treatment and smashing to obtain a precursor II; next, by virtue of the spheroidizing technology and by taking the spheroidized precursor I as the core, the precursor II is subjected to surface coating to obtain the final spherical core-shell precursor; and the spherical core-shell precursor is subjected to high-temperature sintering in an oxygen atmosphere to obtain the doped core-shell material. By virtue of the gel method, the main elements and the doped elements can be dispersed uniformly; and meanwhile, by virtue of coating of the outer layer low-nickel element, the tolerance of the material in the air can be improved, thereby greatly improving the rate, cycling and safety performance of the ternary material.

The invention discloses a lithium ion battery monitoring multifunctional fiber sensor, a system with the sensor and a manufacturing method of the sensor. The multifunctional fiber sensor comprises a charged state sensor and a temperature sensor in serial connection, each of the charged state sensor and the temperature sensor uses a multi-mode fiber as a substrate, and each multi-mode fiber includes a silica core, a fluorine-doped cladding and a acrylic ester coating from inside to outside; the multi-mode fiber is etched in hydrofluoric acid in a wet method, so that the fluorine-doped claddingis thinned to form a fiber evanescent wave sensor, namely the charged state sensor; and the temperature sensor is connected in series to the back end of the charged state sensor, and the fluorine-doped cladding of the multi-mode fiber of the temperature sensor is etched and thinned and coated with a fluorescent layer with PMMA as the matrix. Two important parameters, namely temperature and chargedstate, of the lithium ion battery can be measured at the same time without mutual interference, and the sensitivity is high.

A metal capacitor in which an electric conductivity is significantly improved by applying a metal material for an electrolyte and a manufacturing method thereof is provided. The capacitor includes a metal member comprising a groove forming portion where a plurality of grooves is formed, an electrode withdrawing portion formed on the groove forming portion, and a sealing portion; a metal oxide layer being formed on the metal member; an insulating layer being formed on the metal member to expose the electrode withdrawing portion of the metal member; a plurality of main electrode layers, each main electrode layer being formed on the metal oxide layer that is formed on the groove forming portion of the metal member; and a conductive connecting layer being formed on the plurality of main electrode layers and the insulating layer to face the electrode withdrawing portion of the metal member and connect the plurality of main electrode layers, wherein a lead terminal is connected to the electrode withdrawing portion of the metal member and each of the main electrode layers.

A process for preparing the zirconium oxide ceramic film on the surface of functional self-assembled organic silane film includes such steps as preparing said self-assembled organic silane film containing S on the surface of monosilicon or glass chip, oxidizing the S-contained radicals on the surface of film to become sulfo radicals, and preparing zirconium oxide ceramic film in the aqueous solution by chemical adsorption. Its advantages are low cost, low poison, high density, and uniformly, large area, and high antiwear nature.

The invention relates to a K1-type electrical connector assembly of a mineral insulated cable for nuclear power, and the assembly comprises a cable assembly, and a plug and a socket which are respectively spliced with two ends of the cable assembly. The cable assembly is characterized in that the cable assembly comprises a mineral cable, a corrugated pipe wrapped outside the mineral cable, a positioning plate for fixing the mineral cable, and a stainless steel pipe welded with the positioning plate; the stainless steel pipe is internally provided with a glue pouring area and a switching jack contact piece; the switching jack contact piece is of a double-end jack structure, one end of the switching jack contact piece is electrically connected with the mineral cable core wire through a barewire, and the other end is plugged with the plug or the socket; the plug comprises a connecting nut, a spline housing, an insulator part, and a glass sintering part which is in butt joint with the double-end jack contact part; the socket is of an integrated structure formed by sintering a socket shell, a glass cake II and a double-end contact pin contact piece II through glass. The assembly provided by the invention is resistant to irradiation and aging and long in service life, and it is guaranteed that the product can still be used after being subjected to severe accident working conditionswhile the using requirements of a nuclear-grade K1-type electrical connector are met.

The invention discloses a photosensitive ink material and a technological process for applying the prepared photosensitive ink material to printing. The photosensitive ink material is prepared from components in percentage by weight as follows: 30%-60% of photosensitive resin, 30%-50% of pigments, 4%-8% of a photoinitiator, 5%-10% of a diluent and 1%-5% of an aid. The photosensitive ink material is applicable to color spraying or inkjet systems of 3D curved glass frames, and on the basis of no increase of construction difficulty, the negative effect of a curved surface on the exposure imagingeffect is reduced as far as possible. On the basis of the special requirements of photosensitive ink for printing of 3D curved glass cover plates, various key raw materials are designed and synthesized and are used for a formula of the photosensitive ink, on one hand, the key raw materials are used for matching a production process, on the other hand, the key raw materials are used for matching acuring process, and more importantly, the ink pattern effect, the environmental tolerance of cured patterns and other properties are improved.

The invention discloses a high-performance multifunctional strain sensor material with a stable interface as well as a preparation method and application thereof. The strain sensor material mainly comprises an organic silicon elastomer serving as a substrate, and a micro-nano-scale rough crack structure is constructed on a polished surface of the organic silicon elastic substrate; and the conductive particles are inserted and assembled on the swollen substrate working surface based on ultrasonic pushing, so that a rough material working surface with coexistence of wrinkles and cracks and densely stacked and assembled conductive particles on the outermost layer is constructed. The surface resistance of the attachment surface of the conductive particles of the sensor material is lt; 104 omega. The material has good external force action, rain wash and high and low temperature complex environment tolerance, the upper surface of the micro-nano-scale coarse structure is super-hydrophobic, and the particle layer is stable after acid-base corrosion, repeated adhesive tape adhesion and pulling and repeated stretching deformation. The resistance of the material shows sensitive response to tensile deformation, and the material can be used as an excellent strain sensor material with good complex environment tolerance.

The invention discloses an oily sludge treatment method which comprises the following steps: (1) carrying out aerobic treatment on oily sludge to obtain a sludge-water mixture; (2) carrying out air flotation treatment on the mud-water mixture to obtain oily mud water and oily wastewater; part of the oily muddy water flows back to the step (1), and the remaining oily muddy water is subjected to chemical oxidation treatment to obtain oil-removed sludge; the oily wastewater is subjected to Fenton oxidation treatment, part of the oily wastewater subjected to Fenton oxidation flows back to the step (1), and the remaining part of the oily wastewater is discharged; in the step (1), offshore oil tolerant bacteria are added in the aerobic treatment process. An aerobic treatment and chemical oxidation coupling process is adopted, the method is applied to a high-oil-content and high-salt-content environment, harmless treatment of the oil sludge and recovery of petroleum resources are achieved, and the whole process is stable in operation, easy and convenient to operate, short in treatment period, high in oil removal efficiency and good in environmental tolerance.

The invention provides high-stability magnetic immobilized laccase, a preparation method thereof and a method for efficiently degrading dye. The preparation method comprises the following steps of: firstly, synthesizing magnetic Fe3O4 nanoparticles by adopting a solvothermal method; then functionalizing the magnetic nanoparticles by using amino functional groups; and finally, crosslinking by using a bifunctional reagent glutaraldehyde to prepare the magnetic immobilized laccase with high activity, high stability and high reusability. Compared with the prior art, the magnetic immobilized laccase prepared by the preparation method provided by the invention is simple to operate, economic and environment-friendly, high in atom utilization rate, green and pollution-free; and the magnetic immobilized laccase has continuous and stable catalytic ability, simple and convenient reusability and green sustainability, and the production cost is greatly reduced, so that the magnetic immobilized laccase has a wide application prospect in the fields of catalytic oxidation, water body treatment, environmental remediation and the like.