36results about How to "Mature and stable" patented technology

The invention relates to a thin-film crystalline silicon perovskite heterojunction solar cell and a preparation method thereof, which relate to a semiconductor device specially suitable for converting light energy into electrical energy, which consists of a transparent conductive substrate, a P-type thin-film crystalline silicon hole transport layer, and a perovskite The light absorbing layer, the electron transport layer made of dense titanium dioxide and the back electrode are composed of the perovskite light absorbing layer and the P-type thin film crystalline silicon hole transport layer with matching energy levels; the composition method is: P-type thin film crystal The silicon hole transport layer is placed on the transparent conductive substrate, the perovskite light absorbing layer is placed on the top of the P-type thin film crystalline silicon hole transport layer, and the perovskite light absorbing layer and the P-type thin film crystalline silicon hole transport layer form a thin film In the crystalline silicon perovskite heterojunction, the electron transport layer composed of dense titanium dioxide is placed on the perovskite light absorbing layer, and the back electrode is placed on the electron transport layer composed of dense titanium dioxide. It overcomes the shortcomings of the existing perovskite solar cells, such as insufficient stability, high manufacturing cost or large amount of silicon materials used.

The invention relates to an integrated treatment process for green hospital sewage, which belongs to the technical field of sewage treatment. In order to solve the problem of incomplete removal of pathogenic microorganisms and organic matter in existing hospital sewage treatment methods, the present invention provides a green integrated treatment process for hospital sewage. , ultra-magnetic separation system and mud-water separation system; both septic tanks and biological tanks are added with ABS microbial agents, and the pollutants such as COD, BOD, SS, E. coli and TN are degraded in turn; The treated sewage enters the ultra-magnetic separation system to remove insoluble pollutants. The invention effectively combines the ABS microbial agent treatment method with the supermagnetic separation water treatment method, which solves the environmental protection problem that hospital sewage treatment is not up to standard, does not need to use chemical agents for disinfection, saves sewage treatment costs, has no secondary pollution, and discharges up to the standard. Reclaimed water can be recycled.

The invention discloses a marketing control method for table purpose lambs. The method comprises the steps that daily feed consumption RHL of a table purpose lamb for sale is firstly determined, the price LJ of currently-fed feed, the price of the table purpose live lamb in current the market and the raising number of days D of the current table purpose lamb are surveyed, the current number N of table purpose lamb for marketing is calculated, the value of y is calculated according to a calculation formula, and the table purpose lamb is judged to be sold or not. According to the marketing control method for table purpose lambs, a lamb farmer can determine and calculate whether the limbs are suitable for marketing or not easily according to the growth and development curve, feed conversion rate and economical benefit and by taking the market price of live limbs, the feed cost, the number of limbs raised and raising number of days as parameters, and the operation is convenient.

The invention discloses the application of PEDF and its derivatives in the preparation of drugs for reconstructing coronary artery reserve collateral microcirculation and the drug screening method, including the application of PEDF in the preparation of drugs for reconstructing coronary artery reserve collateral microcirculation ; The application of PEDF-derived polypeptides in the preparation of drugs for reconstructing coronary reserve collateral microcirculation; the PEDF-derived polypeptides include 44-77aa polypeptide fragments of PEDF; the present invention also includes drugs for reconstructing coronary artery reserve collateral microcirculation screening method. The medicine for reconstructing the reserve coronary artery collateral microcirculation can improve the perfusion function, prolong the effective perfusion time, promote the stable connection of vascular endothelial cells in the reserve coronary artery collateral microcirculation, and prevent the reserve coronary artery collateral microcirculation. Circulatory vascular leakage, reducing paravascular interstitial edema of the coronary artery reserve collateral microcirculation, and improving heart function.

The invention relates to the field of high-temperature functional ceramic coating materials, and specifically discloses a heat-insulating / infrared stealth composite coating with adjustable thickness. The composite coating is a multi-layer superimposed structure, which sequentially includes a metal bonding layer, A ceramic layer and an infrared low emissivity layer, the ceramic layer is a lanthanum phosphate-hexaaluminate composite ceramic layer, and the infrared low emissivity layer is made of Bi 2 o 3 ‑Al 2 o 3 ‑TiO 2 -Li 2 O-SiO 2 It is a low emissivity coating composed of low melting point glass as the binder phase and silver as the conductive phase. The invention also provides a titanium alloy material coated with a coating on the surface and a preparation method thereof. The heat insulation / infrared stealth composite coating in the present invention has excellent thermal shock resistance and high temperature infrared low emissivity characteristics; its thickness can be adjusted according to different practical application requirements, and the surface density and heat insulation performance of the coating can be adjusted adjust.

The invention discloses a method for calculating marketing time of commodity broiler chicken. The method comprises the following steps of: measuring the current daily feed consumption RXL of chicken to be sold; investigating the price of live chicken HJSJ on the current market and the current price of the feed of the broiler chicken LJ; counting the number of the currently fed broiler chicken DCJ; investigating the number of days of currently feeding the broiler chicken; and calculating a value y according to a calculation formula to judge whether the broiler chicken should be sold or not. Inthe calculation method provided by the invention, the growth curve, feed conversion rate and economic benefit of the broiler chicken are taken as basis, and the price of the live chicken, the price of the feed, the number of the fed chicken and the number of days are taken as parameters; by the method, a feeder can easily perform measurement; and the method is easy to operate.

The invention discloses a rapid and effective soil improvement method. The method includes the following steps that after infrastructure construction of a field is finished, soil of the field is leveled and ploughed deeply by 200 mm-400 mm; animal waste is evenly added in the soil of the field by the ratio of 2 tons-5 tons per mu, and organic matter residue is evenly added in the soil of the field by the ratio of 4 m<3>-8 m<3> per mu; after ploughing and soil preparation, 5000 ml-10000 ml biological bacterial fertilizer is diluted by 80-120 times with water and then evenly sprayed in the soil, and the soil humidity is kept at 60-80% for one month. The method can rapidly improve hardening and the acid-base property of the soil, improve circulating planting of the field, promote root growth of plants, reduce organic planting cost and improve the organic planting yield.

The invention discloses a preparation method of carbon powder which is characterized by mixing petroleum coke, pitch coke, coal tar pitch coke according to the ratio 50+ / -5: 30+ / -5: 20+ / -5 after carefully chosen, calcining the mixture at 1200-1400 DEG C, finally processing the mixture into materials with different morphology such as flake, ellipse-like, circular-like after breaking up, screening,pressing, roasting, graphitizing, mechanical processing and treating, doping and spheriodizing and carbonization treating at high temperature, finally obtaining good quality of carbon powder M which has advantages of ordered morphology, high specific capacity, long circulation life with safety and reliability. The art for producing carbon powder M cathode material is simple, maturely and stable, which is suitable for popularization and application in the lithium battery industry.

The invention discloses a detection method for carbon dioxide emission based on oxygen content determination. The detection method is used for calculating the carbon dioxide emission through a difference value between the content of oxygen in air entering combustion equipment and the content of oxygen in flue gas discharged out of the entering combustion equipment. The detection method is simple in process, smaller in data fluctuation, accurate in analysis and low in detection cost. The invention further discloses a detection device applied to the detection method, which comprises an air flow determining device, a flue gas flow determining device, a flue gas oxygen content determining device and a data analysis device. The detection device can realize on-line detection and is high in detection speed.