51results about How to "Good industry prospects" patented technology

The invention discloses a method for producing a rear passivation double-sided solar cell. The method sequentially comprises the following steps of: positive cleaning, making a texture surface, forming a PN junction through diffusion, performing periphery and rear etching, evaporating a positive SiNx anti-reflection film, evaporating a rear passivation film or/and SiNx [11] passivation film or other passivation films, performing screen printing on a back electrode, performing screen printing on a positive electrode, and sintering. The method for producing the rear passivation double-sided solar cell has the advantages that the compounding rate of the rear surface can be greatly reduced, the back reflection is improved, and the more photon-generated carriers are collected. Compared with processes such as photoetching, laser sintering and laser opening, the method is simple in process flow and suitable for mass production. The actual working and generating efficiency can be effectively improved. The used equipment is compatible with the traditional solar cell equipment, the equipment does not need to be increased, the process cost is low, the capacity is high, and the method has good industry prospects.

The invention discloses a preparation method and application of a graphene/cobalt-nickel-manganese ferrite nano-composite material. The preparation method comprises: adding a solution containing an iron source, a cobalt source, a nickel source and a manganese source into a dispersion containing graphene oxide drop by drop to obtain a mixed solution, adjusting pH of the mixed solution to greater than or equal to 8, adding a reducing agent into the mixed solution to obtain a precursor solution, transferring the precursor solution into a reactor, and carrying out microwave synthesis to obtain thegraphene/cobalt-nickel-manganese ferrite nano-composite material. The graphene/cobalt-nickel-manganese ferrite nano-composite material is composed of layered graphene and spherical cobalt-nickel-manganese ferrite nanoparticles. The spherical cobalt-nickel-manganese ferrite nanoparticles are uniformly dispersed on the layered graphene surface and between the layers. The graphene/cobalt-nickel-manganese ferrite nano-composite material has the characteristics of strong absorption intensity, effective absorption frequency bandwidth, thin thickness and light weight.

The invention belongs to the field of animal biomedicine engineering, and in particular discloses protein recombinant lactococcus lactis for secretory expression of a core antigen COE of a PEDV (Porcine Epidemic Diarrhea Virus) as well as a preparation method and an application of the protein recombinant lactococcus lactis. The method comprises the following steps: connecting a signal peptide and other sequences onto a gene of the core antigen COE of the PEDV via an overlap extension PCR method by designing multiple primers, connecting the gene to a lactococcus lactis expression vector pNZ8048 and introducing the vector with the gene into a cell of the lactococcus lactis NZ9000 in an electrotransformation manner so as to obtain recombinant bacteria; and inducing the recombinant bacteria with nisin so as to obtain an expression, and directly taking all induced cultures as oral vaccines capable of stimulating mice and inducing strong cellular immune responses. Thus, the protein recombinant lactococcus lactis can serve as a novel oral vaccine product with a good industrial prospect and has a positive effect for reducing harms of the PEDV to pig industry, thereby playing a great practical significance for promoting the healthy development of the pig industry.

The invention provides a touch control display module. The touch control display module comprises a cover plate, an upper polarizer, a lower polarizer, an upper substrate and a lower substrate, the upper substrate and the lower substrate are located between the upper polarizer and the lower polarizer, a liquid crystal layer is clamped between the upper substrate and the lower substrate, the touch control display module further comprises a first electrode layer and a second electrode layer, and a first conducting unit located on a first electrode string and a second conducting unit located on a second electrode string are arranged in a mutually-complementary mode. By means of the touch control display module, the haze problem caused by nanometer silver wires can be effectively lowered. The touch control display module has the advantages of being simple in process, good in display effect and the like.

The invention relates to flow pump technique field in precise machine which features that the circle edge of pump body is processed with slots on both upper and lower side, and with several through holes in slots; the slot is sealed by upper and lower pump cover forming a flow channel; upper and lower piezoelectric ceramic plate pasted respectively on the upper and lower side of the pump body, moreover the upper and lower pieces is one fourth wavelength different along the circle, generating a needed traveling wave fluctuate in upper and lower slots while working; flow inlet port and outlet port placed on the same or different sides of the ceramic pump, and block is just between the two port ensuring the flow enters from the inlet port and leaves from the outlet port. The flow direction is controlled by the phase difference of the two exterior power source while the flow amount, speed and back pressure with width, frequency and phase position. It is of low sealing requirement, high reliability, fine flow block performance, handily operation and the working frequency is above 10 KHz.

A piezoelectric ceramic pump of stationary wave driving mode enabling to flow fluid in forward and backward directions is prepared as enclosing pump cavity by two parallel pump shells, two pump covers and piezoelectric vibrator, forming piezoelectric vibrator by sticking piezoelectric ceramics on metal plate, setting equally divided electrode regions uniformly on front surface of piezoelectric ceramic plate, generating stationary wave ultrasonic vibration by said vibrator under action of electric field, setting polarization direction of each said region along thickness direction of said plate and making polarization direction be alternatively revered.

The invention discloses a bispecific chimeric antigen receptor targeting CD123 and NKG2D ligands and the application of the bispecific chimeric antigen receptor, and particularly discloses a bispecific chimeric antigen receptor (CAR) amino acid construct or a functional variant thereof, wherein the bispecific chimeric antigen receptor (CAR) amino acid construct can simultaneously expresses an anti-CD123 single-chain antibody and a natural NKG2D extracellular fragment and can target CD123 and NKG2DL; the bispecific chimeric antigen receptor has a parallel connection mode and a series connectionmode; and the invention discloses a CAR (chimeric antigen receptor), a construct structure thereof, a nucleotide sequence of the construct, a recombinant expression vector containing the nucleotide sequence and a construction mode and application of the corresponding expression vector. The CAR structure endows T cells with higher and lasting multiplication capacity and high anti-tumor capacity; and according to the bispecific chimeric antigen receptor, multiple infusions of single-target CAR-T cells can be avoided, so that not only is the harm to a patient reduced, but also the economic pressure of the patient can be reduced, and the bispecific chimeric antigen receptor has relatively great clinical research and application values.

The invention discloses a lactobacillus rhamnosus and an application in the preparation of antidepressant products. The invention provides a lactobacillus rhamnosus TF318 of which the CCTCC No. is 2018113. The invention also provides the application of lactobacillus rhamnosus TF318 in the preparation of antidepressant products. The invention also provides an antidepressant product of which the active ingredient is lactobacillus rhamnosus TF318. The product is food, health food or drug. The lactobacillus rhamnosus TF318 has antidepressant effect and can be used as a functional probiotic bacteria which is capable of treating and preventing depression. The lactobacillus rhamnosus provides new idea for clinically preventing and controlling spiritual diseases relative to depression.

The invention discloses a low-carbon quasi-single crystal ingot furnace and a method for adopting the low-carbon quasi-single crystal ingot furnace for ingot casting. The low-carbon quasi-single crystal ingot furnace comprises a furnace body (1), a heat insulation cage (2) and a heat exchange table (9), wherein a crucible (7) is placed on the heat exchange table (9), the top of the crucible (7) is provided with heaters A (3), and heaters B (8) are distributed at the circumference of the crucible (7) and are connected with traction devices (12) through heater lifting rods (11). The method comprises five steps including material charging, heating melting, crystal growth, annealing and cooling. The low-carbon quasi-single crystal ingot furnace and the method have the advantages that the ingredient supercooling phenomenon caused by carbon content enriching in a solute boundary layer can be effectively inhibited, so the influence on the growth speed of quasi-single crystals caused by impurity enriching is reduced, and meanwhile, the content of carbon in quasi-single crystal ingots can be effectively reduced; and the generation and the growth of the fine crystal regions near the crucible wall can be effectively inhibited, so the quality of the quasi-single crystal ingots can be obviously improved, and the utilization rate of the ingots is improved.

The invention discloses a method for opening a passivation layer on the back surface of a solar cell. In the method, the opening operation is performed by adopting the conventional equipment; the width of the opening obtained by using the method is equal to the width of the opening obtained by using an improved corrosive slurry opening technology, namely a better opening width can be obtained without changing the equipment, so that the utilization value of the old equipment is increased; meanwhile, by adopting the opening technology, the price of the used acidic liquid and the price of the later-stage cleaning solution are low; screen printing is not required, so damages to the equipment is avoided; therefore, the production cost is reduced; and the method has a good industrial prospect.

The invention belongs to the technical field of fabric dyeing methods, and particularly relates to a dyeing method of a bamboo fiber fabric based on a mahonia bealei plant dye. When mahonia bealei, used as a natural plant dye, is applied to the bamboo fiber for dyeing, a fabric with the antibacterial property can be obtained to be more applicable to manufacturing of home clothes. The dyeing methodprovided by the invention comprises the following steps of carrying out desizing and scouring treatment on the fabric by adopting starch biological enzyme and scouring enzyme respectively, and performing bleaching by using hydrogen peroxide and hydrogen peroxide biological enzyme; and obtaining a mahonia bealei dyeing solution through alcohol extraction, carrying out dyeing by taking a salt as aco-dyeing agent, and then carrying out soaping. The color of the dyed fabric is soft and elegant, the dyeing process is simple, the mahonia bealei dye obtained through the alcohol extraction mode canbe freeze-dried and stored, and transport and use are facilitated. The scheme is applied to practical production and has high economic significance.

The invention discloses a combined guard board for preparing a pseudo-single crystal with high utilization rate and a method for preparing the pseudo-single crystal, wherein the guard board is improved to realize different heat radiation intensities in different areas of a crucible, so as to improve a growth condition of the single crystal. The combined guard board for preparing the pseudo-single crystal with high utilization rate comprises a lateral crucible graphite guard board which is attached onto the outer wall of the crucible; the lateral crucible graphite guard board comprises an inner guard board attached onto the outer wall of the crucible, and an outer guard board attached onto one side of the inner guard board; the outer guard board is located on one side of the inner guard board far away from the crucible; a plurality of strip-shaped inner guard board holes with the axes being in parallel with one another are formed on the inner guard board; a plurality of strip-shaped outer guard board holes with the axes being in parallel with one another are formed on the outer guard board; and the axes of the strip-shaped inner guard board holes are in parallel with the axes of the strip-shaped outer guard board holes. With the adoption of the combined guard board, the ratio of the radial transmission to the vertical transmission of the heat from the crucible is greatly decreased so as to effectively inhibit the radial heat current of the crucible, and the formation proportion of polycrystal around a cast ingot is decreased, so that the utilization rate of the cast ingot is increased.

The invention discloses a method for preparing supported nickel oxide. The method includes effectively decomposing a precursor NiCp2 under oxygen atmosphere conditions at the temperatures of 500-600 DEG C, carrying out reaction, generating nickel oxide nano-particles and uniformly dispersing the nickel oxide nano-particles on cubic boron nitride powder carriers. The method has the advantages that experimental parameters such as the precursor NiCp2 content and the oxygen content are changed, accordingly, the NiCp2 can be quickly decomposed and coated, the size and microscopic structures of powder are controlled, the cubic boron nitrate powder keeps in stirred states, the nickel oxide nano-particles can be prepared and uniformly dispersed on the surfaces of the cubic boron nitride powder carriers, and carbon pollution in reaction procedures can be prevented; the method is simple and is short in preparation cycle, and the nickel oxide nano-particles prepared by the aid of the method are uniformly dispersed and can have broad application prospects in diversified field when used as catalytic materials, functional materials and the like.

The present invention discloses one kind of composite medium for the biotreatment of drinking water and its usage. The composite medium contains glucose, acetate and phosphate in the mass proportion determined on whether the limiting nutritious elements in the water to be treated are organic matter or phosphate. The usage includes determining whether the limiting nutritious elements in the water to be treated are organic matter or phosphate in the BGP process; determining the DOC and BDOC of the water into the reactor; compounding medium based on the determined results; and throwing the composite medium. The present invention has high organic matter eliminating rate and other advantages.

The invention discloses an interplanting method for lemongrass and okra. The method comprises the following steps: pre-processing seeds and disinfecting for further use; transplanting seeds in a nursery seedling plate after germination and transplanting seeds to the field when seeds grow up at the heights of 10-18 cm; burning chicken manures on the soil that needs to be sowed and turning over soil for 2 to 5 times, planting an okra seedling each two plants of lemongrass, keeping the distance between lemongrass seeds and okra plants for 5-8 cm and watering once per day to ensure the water content in the soil ranges from 30%-45%; picking off tops after lemongrass flower and carrying out daily management and picking after flowers wither 8-12 days. The interplanting method for lemongrass and okra has the following beneficial effects: steps are simple; the lemongrass and okra are planted together so that usage of arable areas is reduced and yield of okra is improved; quality of okra is improved; insect pests are reduced; and the interplanting method has a good industry prospect.

The invention provides an antitumor medicine. Nifuroxazide and/or salt of the nifuroxazide are used as active components of the antitumor medicine, and pharmaceutically acceptable auxiliary componentsare added into the nifuroxazide and/or the salt to prepare the antitumor medicine. The invention further provides application of the nifuroxazide to preparing antitumor medicines. Preferably, tumor is osteosarcoma. The antitumor medicine and the application have the advantages that apoptosis of osteosarcoma cells can be effectively induced by the nifuroxazide and the salt of the nifuroxazide, osteosarcoma cell proliferation, migration and invasion can be inhibited by the nifuroxazide and the salt of the nifuroxazide, and obvious antitumor effects can be realized in an in-vivo manner; the nifuroxazide and/or the salt of the nifuroxazide can be used for preparing osteosarcoma medicines, and accordingly the antitumor medicine and the application have excellent industrial prospects.

The invention relates to the technical field of metallurgy, and particularly discloses a biochar-containing composite iron ore pellet for microwave reduction. The composite iron ore pellet comprises apellet core and a pellet shell wrapping the pellet core; the pellet core comprises iron ore powder 1, iron ore powder 2 and biochar; the pellet shell comprises iron ore powder 1; the specific surfacearea of the iron ore powder 1 is greater than or equal to 1656.0 cm<2>/g; and the specific surface area of the iron ore powder 2 is greater than or equal to 853.0 cm<2>/g. Preparation and applicationmethods of the pellet are also disclosed. The composite iron ore pellet has a core-shell structure, the biochar is only distributed on the pellet core, the two kinds of iron ore powder meet the particle size grading requirement in the pellet core, the ubiquitous problem that the performance indexes of a biochar-containing composite iron ore pellet green pellet are relatively poor can be synergistically solved, the microwave reduction performance of the pellet can be improved, and the iron grade, the metallization rate and the reducibility of the reduced metallized pellet are improved.

The invention discloses a medicine for treating ketamine addiction, and belongs to the field of anti-addiction medicines. The invention discloses a medicine for treating ketamine addiction. The medicine takes a substance for improving the expression of a Mgll gene as an active ingredient. The invention provides an effective solution for ketamine addiction, and has good industrial prospect and public benefit value.