96results about How to "Strong environmental tolerance" patented technology

The invention provides a composite bacillus preparation containing three strains, a preparation method of the composite bacillus preparation and application of the composite bacillus preparation to ecological breeding, and belongs to the technical field of microorganism and feed additives. Bacillus coagulans, butyric acid clostridia and bacillus megaterium are used as fermentative strains respectively, and large-scale, low-cost and high-density fermentation production of spores is conducted through step-by-step magnification; three live bacterium preparations are prepared by mixing bacterial sludge with the spores and dry starch; the three live bacterium preparations are matched according to the equal weight ratio, the composite bacillus preparation is obtained, and the concentration of the spores reaches more than 1*108-109 cfu/g; the composite bacillus preparation serves as a microorganism and feed additive to be added to farmed animal feed according to the mass ratio ranging from 0.02% to 0.5%. The composite bacillus preparation is simple and stable in process, low in cost, high in spore content and environment tolerance, easy to store and high in survival rate; the purposes of composition and synergism are achieved through the collaborative supplementary effects of different bacilli in the aspect of micro-ecology adjustment, growth of farmed animals is promoted, the feed utilization rate and feed rewards are increased, diarrhea is prevented and reduced, and the breeding ecological environment is improved.

The invention discloses a method for preparing no-yellowing polyurethane sponge capable of being foamed at normal temperature. 4,4'-dicyclohexylmethane diisocyanate or a prepolymer thereof and polyether polyol serve as main raw materials; an environment-friendly catalyst and other auxiliary materials are added, the reaction and foaming are performed through a conventional polyurethane sponge production line at normal temperature, and the no-yellowing polyurethane sponge is obtained through a curing stage. The no-yellowing sponge can be obtained through the conventional polyurethane sponge production line at normal temperature, the raw materials do not need to be heated, existing equipment does not need to be modified, and the method has the advantages of small equipment investment and low energy consumption. In addition, since 4,4'-dicyclohexylmethane diisocyanate does not contain a benzene ring structure, obtained polyurethane sponge does not yellow, is excellent in aging resistance, oxidization resistance and illumination resistance and can be widely applied to the fields of shoe materials, furniture, electronics, printing supplies, aviation, automobiles, medical beauty, packaging, sports goods and articles for daily use.

An integrated biochemical sensor based on rib optical waveguide comprises an MZI (Mach-Zehnder interferometer) detection chip, an optical fiber support, a plurality of polymer cavities and a micro-channel system which are machined on the same SOI (silicon on insulator) silicon wafer as well as photoelectric detector and a detection circuit which are arranged in the polymer cavities. The MZI detection chip comprises the rib optical waveguide, a medium groove, a sample pool, a medium groove beam splitter and a medium groove beam combiner. Optical fiber is coupled with the rib optical waveguide, and the rib optical waveguide is coupled to the photoelectrical detector and the detection circuit. Light transmitted by an input end of the rib optical waveguide is split into two branch light beams by the medium groove beam splitter, the two branch light beams are transmitted along two waveguide arms respectively, one waveguide arm is coupled to the sample pool, the light beam of the waveguide arm is subjected to phase modulation by a sample in the sample pool, the two light beams are combined into an output light beam by the medium groove beam combiner, the photoelectric detector and the detection circuit detect change of light intensity and convert the output light beam into an electrical signal, and the sample in the sample pool is detected. The sensor is easy to machine, compact in structure, high in sensitivity and low in cost.

The invention discloses an ultra-soft and flexible solar cell array and a manufacturing method thereof. The ultra-soft and flexible solar cell array includes flexible solar cell monomers, and a high-transmittance transparent encapsulation layer coated on the surface of the flexible thin-film solar cell monomers is located at the The substrate layer, the reinforcement layer and the heat insulation layer under the flexible thin film solar cell unit are connected through an adhesive layer. The present invention also relates to a manufacturing method of an ultra-light and flexible solar battery array, which is composed of the above-mentioned layers by rolling or coating in order from top to bottom, and then tied and fixed with a hanging rope and a gripper on the surface of the carrier . The ultra-light and flexible solar battery array of the present invention is very thin, small in size, light in weight, easy to manufacture, reliable and durable, saves material and energy in the production process, and can be bent arbitrarily according to the shape of the installation surface, and is suitable for mobile power generation applications.

The invention provides a negative type photosensitive siloxane composition, which is high in resolution, high in temperature resistance, and high in transparency. The negative type photosensitive siloxane composition can inhibit the heat collapse occurring in the heat consolidation without improving the molecular quantity of the high crosslinking agent or the siloxane composition. The negative type photosensitive siloxane composition comprises a (I) polysiloxane, aromatic imide compound released by light radiation and a solvent (III).

The invention relates to a holothurian culture water body remediation agent prepared by a mixed fermentation process and a preparation method and application thereof. Based on physiological habits and culture characteristics of holothurian the holothurian culture water body remediation agent consists of bacillus flexus CGMCC No.5115, bacillus subtilis CGMCC No.5116 and bacillus cereus CGMCC No.5117 which are separated and screened in a holothurian culture environment according to a marine microorganism technology. The preparation method comprises the steps: fermenting by using corn flour and bean pulp as main culture raw materials at a temperature of 28-37 DEG C for 24-48h, and processing by using zeolite, kieselguhr and rice hull as adsorption and suspension compound carriers, to obtain the holothurian culture water body remediation agent prepared by the mixed fermentation process. The holothurian culture water body remediation agent has high water environment tolerance and good floatability, suspension property and floating controllability, is beneficial to a three-dimensional purification effect of a seawater culture water body, and has the advantages of preventing the water body from being acidized or suffering from odor bottom, effectively inhibiting pathogen microorganisms, preventing holothurian diseases, and improving yield and quality of holothurian culture.

The invention discloses a cultivation method for brachymystax lenok fry. The cultivation method includes the steps of A, artificial incubation; B, fry opening feeding; C, transferring out of an incubation tank for cultivation, and stocking at reasonable density; D, pool dividing domestication, wherein palatable bait is selected, food domestication control is conducted, and meanwhile scientific daily management and disease prevention are conducted. According to the biological characteristics of brachymystax lenok, total artificial regulation is conducted on the aspects of water temperature, illumination, dissolved oxygen and the like, the advantages that the physiques of the fry are healthy, strong and balanced, the bait utilization rate is high, environmental tolerance is high, and disease resistance is high are achieved by means of food intake regulation and standard management, and the fertilized ovum hatching rate of the brachymystax lenok and the growth rate and survival rate of offspring fishes are greatly increased. The offspring fishes are healthy, strong and balanced, high environmental tolerance and disease resistance are achieved, and occurrence of malformation is greatly reduced. The method is simple, high in operability, good in practical applicability and completely suitable for large-scale production of the fry, and is used for species resource protection and natural population restoration of the brachymystax lenok accordingly.

The invention discloses a biomaterial with the effects of dissolving algae, degrading algal toxin and removing nitrogen and phosphorus, and a preparation method of the biological material. An activated carbon fiber-Acinetobacter sp. composite material is taken as a core, and the surface of the activated carbon fiber-Acinetobacter sp. composite material is coated with a chitosan-calcium alginate polymer by self-assembly; the activated carbon fiber-acinetobacter composite material is a composite material obtained by taking activated carbon fiber as an immobilized carrier to load Acinetobacter sp.; the chitosan-calcium alginate polymer is porous polymer sol formed by bonding and cross-linking chitosan and calcium alginate. The biomaterial can dissolve algae cells, degrade algal toxin, and remove nitrogen and phosphorus at the same time, furthermore has the advantages of high degradation efficiency, environmental friendliness, strong environmental tolerance, good stability, reusability, good storage, and the like, and can effectively solve the problems of cyanobacteria bloom and algal toxin pollution caused by water eutrophication.

The invention relates to the field of optical films, in particular to a flexible copper grid base transparent conducting thin film. The flexible copper grid base transparent conducting thin film comprises a flexible transparent thin film substrate, an anti-reflection layer and a copper grid conducting layer, wherein the anti-reflection layer is arranged between the flexible transparent thin film substrate and the copper grid conducting layer. The anti-reflection layer is formed by alternatively overlapping at least one low refractive index film layer and one high refractive index film layer, and the copper grid conducting layer is formed by a diamond or square or hexagonal copper line and at least one cupric oxide thin film layer. The flexible copper grid base transparent conducting thin film can be taken as a substitute of an ITO (Indium Tin Oxide) conducting thin film and is widely applied to the touch screen, flexible display and electromagnetic shielding fields; in comparison with the conventional ITO conducting thin film, the flexible copper grid base transparent conducting thin film has lower production cost, higher transmittance and better anti-oxidation property and at least one order of magnitude higher surface square resistance, and is especially suitable for preparation of large-area high-resolution touch screens.

The invention discloses an environment-air constant flow automatic sampling system and a sampling method thereof. The system comprises a vacuum sampling tank, a buffer container and a switch valve, wherein the buffer container is respectively communicated with the vacuum sampling tank and the atmospheric environment through the switch valve; through the switching control of the switch valve, the buffer container is alternately communicated with the atmospheric environment and the vacuum sampling tank to reach the air pressure balance of the sample feeding gas. The invention also discloses a constant current environment air sampling method. The technical monopolization in foreign countries on the high-precision atmosphere constant current sampling device is broken; the atmospheric samplingflow rate control precision is controlled; the inertness of the integral gas flow path is ensured; the flexible flow rate control and regulation mode is realized; the common use industrial volume production devices and materials are used; consumable avoidance and easy maintenance are realized; the economic and efficient fully automatic environment air constant flow automatic sampling system is built; the contribution is made for national atmospheric environment monitoring and control.

The invention discloses a method for seedling sugpo prawn, comprising the specific steps of: (1) preparing mixed vaccine of bdellovibro nectophore and liposome; (2) putting mixed vaccine of bdellovibro nectophore in a seedling tank so that the content of bdellovibro nectophore in the sea water reaches as high as 101pfu/mL and aerating for 5-12h; (3) putting the sugpo prawn anuplius at the densityof 60000-120000/m<3>; and (4) and in the seedling process, putting bait regularly and putting the mixed vaccine of bdellovibro nectophore at an interval of five days after putting the larva, obtaining the sugpo prawn seedling when the larva prawn grows to 15 days or all the prawns grow with the length of 1cm above, wherein the concentration of the mixed vaccine of bdellovibro nectophore is 10pfu/mL. The invention can effectively reduce the time for changing water in the seedling process by putting the mixed vaccine of bdellovibro nectophore in the water quality treatment and bait in matching with scientific seedling quality management or even failing to changing water, thereby improving the yield of prawn seedling and enhancing the prawn seedling survival rate and immunity.

The invention relates to an AGV multispectral color discrimination tracking navigation and shape and color positioning method based on a visual identification technology, and the method comprises the following steps of constructing a longitudinal and transverse grid type AGV operation network, employing a plurality of vertical color bands constructed by a first color identifier, employing a plurality of horizontal color bands constructed by a second color identifier. The longitudinal colored bands and the transverse colored bands are respectively crossed to form the longitudinal and transverse grid type AGV operation network, and the intersection points or specific position points of the longitudinal colored bands and the transverse colored bands are the intersection position points or specific position pointsmarked by the specific shapes of the longitudinal colored bands and the transverse colored bands and having both shapes and colors. In the AGV navigation running process, the running route of the AGV is determined through the spectral color visual identification of the longitudinal colored bands and the transverse colored bands, and through visual identification of the position information marked in a shape and color combination mode, the intersection where the AGV passes and the position information are determined, and the AGV runs to a preset terminal point according to the determined running route, the intersection and the position information. The method is applied to the technical field of AGVs.

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 discloses a pipeline metal shock absorber. The pipeline metal shock absorber comprises a metal pipeline body and damping supports. The damping supports are arranged at the two ends of the metal pipeline body in a sleeving mode. A steel pipe is arranged in the metal pipeline body; a metal wire woven sleeve is arranged at the non-damping support sleeving position outside the steel pipein a sleeving manner; a granular material is arranged between the metal wire woven sleeve and the steel pipe; and each damping support comprises a metal rubber pad, a support body and a pipe hoop. The corresponding metal rubber pad is arranged at the bottommost portion of each damping support, wherein the support body is arranged at the top end of the metal rubber pad, the pipe hoop is arranged at the top end of the support body, a sleeving groove is formed in the center between the pipe hoop and the support body, a groove is formed in the inner side wall of the sleeving groove, and a pipeline elastic pad matched with the groove is arranged in the groove. The integral vibration and noise reduction design of the pipeline connecting position and the pipeline wall of the pipeline system is achieved, and the pipeline system can be widely used in pipeline supporting, elastic connecting and other mechanical structures in various industries.

The invention discloses a hydrogen sensor for a new energy vehicle. The hydrogen sensor for the new energy vehicle comprises a shell, a nonporous gas separation membrane arranged in the shell, a gas detection unit and a humidity regulating-controlling unit, wherein the gas detection unit is located between the gas separation membrane and the humidity regulating-controlling unit; the gas detection unit comprises an electrolyte for carrying out proton transfer, and a working electrode, a counter electrode and a reference electrode which are in contact with the electrolyte, the working electrode, the counter electrode and the reference electrode are all porous gas diffusion electrodes; hydrogen entering into the shell passes through the gas separation membrane by a dissolution-desorption manner, reaches the gas detection unit by a spraying manner, and enters into the working electrode by a vortex manner to generate a chemical reaction. The hydrogen sensor disclosed by the invention is suitable for detecting hydrogen content of environments of new energy vehicle interior and the like, and has the advantages of quick response, strong environmental tolerance, good anti-shock and vibration resistance, excellent selectivity and the like.

The invention provides an ultrathin nitrogen-defect carbon nitride nanosheet. The nitrogen-defect carbon nitride nanosheet is amorphous carbon nitride with a two-dimensional conjugated structure, and the thickness of the nitrogen-defect carbon nitride nanosheet is 0.51-1.56 nm. The nitrogen-defect carbon nitride nanosheet disclosed by the invention has a relatively large specific surface area and an ultrathin sheet structure, and meanwhile, the nitrogen defect concentration is controllable. As a photocatalyst, the carbon nitride nanosheet rich in nitrogen defects has the characteristics of high photocatalytic activity, strong environmental tolerance, good stability and the like. The nitrogen-defect carbon nitride nanosheet can be obtained by calcining bulk-phase carbon nitride for multiple times in different atmospheres, the concentration of nitrogen defects can be regulated, and the preparation method is simple, low in cost, easy to operate and easy to expand and amplify. The prepared nitrogen-defect carbon nitride nanosheet can be used as a photocatalyst for on-site preparation of hydrogen peroxide, and is also suitable for industrial popularization and application.

The invention discloses a sugpo prawn larva breeding method, which comprises the following steps of: (1) preparing bdellovibrio bacteriovorus plasma liquid; (2) pouring the bdellovibrio bacteriovorus plasma liquid into a nursery pond, wherein the bdellovibrio bacteriovorus plasma content of seawater is more than 101pfu/mL and aeration is carried out for 5 to 12h; (3) pouring the nauplius larvae of the sugpo prawns into the nursery pond at the density of 60,000 to 120,000/m<3>; and (4) regularly feeding bait into the nursery pond in a breeding process, and pouring the bdellovibrio bacteriovorus plasma liquid at the concentration of over 10pfu/mL into a nursery pond at an interval of at least 5 days every time after the nauplius larvae are poured into the nursery pond, wherein the young sugpo prawns can be obtained after the prawn larvae have been developed for 15 days or the body lengths of the prawn larvae are more than 1cm. In the invention, by water quality treatment and by pouring the bdellovibrio bacteriovorus plasma liquid into the bait and adopting scientific breeding management, the water exchange times during the breeding process can be effectively reduced and even water is not required to be exchanged, so that the yield of the young prawns is improved and the survival rate and immunity of the young prawns are improved.

The invention discloses a preparation method and application of microbial seed coating and belongs to the field of agricultural biotechnology. The preparation method includes the steps of firstly, providing the fermentation liquor of Trichoderma chlamydospores, wherein the Trichoderma comprises Trichoderma harzianum and Trichoderma viride; secondly, mixing the fermentation liquor containing the Trichoderma chlamydospores with a dispersing agent, a film-forming agent and 5% of protecting agent; thirdly, adding an adhesive and seeds after the stirring in the second step is completed; fourthly, adding cold water with the mass being 50% of the mass of the rest of protecting agent into the rest of protecting agent, evenly stirring, heating to 60 DEG C, keeping the temperature for 2 minutes until uniform liquid is formed, and cooling for standby; fifthly, evenly mixing the fermentation liquor obtained in the third step and the protecting agent obtained in the fourth step, and subjecting themixed liquid to spray drying to obtain the microbial seed coating. The preparation method has the advantages that the problems that Trichoderma spores are short in storage time and cannot achieve large-scale production can be solved favorably by using the chlamydospores as the preparation effective component, and the requirements for being used as biological pesticides can be satisfied.