137results about How to "Operating economy" patented technology

The method for recycling and processing worn-out lithium ion battery includes steps: (1) taking out pack of worn-out battery; (2) using crushing facilities to open up case of battery, and segregation through magnetic method; (3) dissolving wastes of pole core of battery by using acid, and separating out most of cobalt through ammonium oxalate depositing method; (4) cobalt and copper deposited in residual liquid is extracted through solvent extraction method. Adding sodium carbonate generates deposition to retrieve lithium. Advantages are: simple technique, on solving pollution of worn-out batteries, and reclaining resources at same time.

The invention discloses a preparation method of a titanium and titanium alloy surface black protective film for surgical implantation, comprising the following steps: step 1: carrying out micro-arc oxidation coloring processing on titanium and titanium alloy surface to be processed, in the process, firstly, preparing a micro-arc oxidation electrolysing solution, and then carrying out the micro-arcoxidation coloring processing; and step 2: carrying out subsequent processing on the micro-arc oxidation film, wherein the subsequent processing comprises the following steps: firstly, preparing a mixed solution for hydro-thermal processing, completely dipping the titanium and titanium alloy after micro-arc oxidation shading processing in the mixed solution, carrying out the hydro-thermal processing on the surface by adopting a hydro-thermal method, drying the titanium and titanium alloy under the condition of low temperature when the hydro-thermal processing is completed, and generating a layer of pure black micro-arc oxidation film with uniform and plump surface on the titanium and titanium alloy surface. The invention has simple and convenient operation, economy, high production efficiency, and high bonding strength between a generated ceramic film, i.e. the micro-arc oxidation film and a substrate, and the invention can effectively overcome various defects and deficiencies which exist in the prior coating processing techniques.

The carbonization speeding up technique for stabilizing the heavy metals in the burnt fly ash belongs to the field of hazardous solid wastes treatment. Filling 10-50% of water into the fly ash of the burnt residue and making it into the fly ash with certain ratio of water, putting it into a shakable or a turnover container, then let the burnt fly ash have carbonization reaction with CO2 intermittently or continuously input. Small portion of heavy metal and large portion of limestone in the burnt fly ash carbonize with CO2 and turn into carbonate material that can last stably in the natural world. The carbonization process promotes the stabilization of the burnt fly ash, with water against limestone equaling to 20%, reducing Pb intensity to 0.081mg / 1. Besides, the burnt fly ash absorbs CO2 well, with dried burnt fly ash can absorb CO2 3% of its own weight. The invention is low in cost and feasible for mechanical operation.

The invention discloses an HIV-1 genotype and drug resistant mutation site detection kit and application thereof. The kit comprises set of primers detecting to-be-detected HIV-1 genome's genotype and drug resistant mutation site. The set of primers include amplification primer pairs and sequencing primer sets. Experiments prove that the detection kit provided by the invention ensures the detection capability of low-frequency mutant strains, greatly makes up the disadvantages of poor amplification efficiency, low detection rate and low low-frequency mutation detection rate of similar kits imported from abroad to China HIV epidemic strains, has the characteristics of simple and fast operation, high efficiency, economical efficiency and high throughput, etc., not only lays a solid foundation for domestic production of HIV drug resistant detection reagents, but also opens up broad prospect for domestic large-scale detection of HIV virus strain drug resistant situation.

The invention discloses a broad-spectrum pesticide residue immunity test strip, which adopts a nitrocellulose membrane containing monoclonal or polyclonal antibodies for identifying the specificity of different organic phosphorus and different synthetic pyrethroid insecticides. The invention also discloses a preparation method and an application of the test strip. The test strip has the advantages that the measurement speed is fast and no particular device is required.

The invention discloses an ultralong concrete slip form body of a concrete rockfill dam and a construction method of the slip form body. The slip form body comprises a fixed panel, a mobile panel and a positioning supporting plate, wherein scales are formed on the fixed panel; a slip form truss is arranged on the top surface of the slip form body; a slip form body panel is arranged on the bottom surface of the slip form body; a traveling bracket is arranged on the side surface of the positioning supporting plate. The construction method comprises the following steps: (1) performing construction preparation; (2) clearing a base layer, and performing acceptance check on the base layer; (3) performing surveying and setting out; (4) spray-coating emulsified asphalt; (5) binding steel bars, and keeping a side form be upright; (6) mounting a traction system; (7) mounting the slip form body in place; (8) erecting a sliding chute; (9) putting concrete into a bin for construction; (10) moving a slip form; (11) detaching the slip form; (12) maintaining the concrete. According to the method disclosed by the invention, the construction steps are simplified, the construction period is shortened, and the slip form construction on ultralong panel concrete is realized; therefore the construction steps are reduced, the construction progress is accelerated, and the economical and social benefits are obvious.

The invention provides a detection method of metal nanometer film thickness. The detection method includes detecting resistance value of the metal nanometer film to be detected; and according to the resistance value and a pre-established standard curve of the thickness of the metal nanometer film and the resistance value of the metal nanometer film, obtaining the thickness of the metal nanometer film through calculating, wherein the standard curve is a curve between logarithms of the resistance value of the metal nanometer film and reciprocals of the metal nanometer film thickness. According to the detection method, a good linearity exists between the resistance value of the metal nanometer film and the reciprocals of the metal nanometer film thickness, so that the standard curve between the metal nanometer film thickness and the resistance value is obtained; the thickness of the metal nanometer film can be obtained according to the standard curve and the resistance value of the metal nanometer film; and no complex operation process is required for detecting the metal nanometer film thickness, the detection method is simple and convenient, the detection speed is high, and the cost is low.

The invention relates to a flashing structure construction process, in particular to a building roof parapet wall flashing construction process. The building roof parapet wall flashing construction process comprises the following steps that step one, a flashing wall body of a reinforced concrete structure is poured on a building roof; step two, a waterproof roll is paved and pasted on the inner facades of the roof and the flashing wall body to form a waterproof layer, and the upper end of the waterproof roll is subjected to head retraction treatment; step three, a protective brick wall is laid on the outer facade of the waterproof layer through solid bricks, the inner facade of the protective brick wall is tightly attached to the waterproof roll, and the waterproof roll is tightly pressed on the flashing wall body, wherein the protective brick wall is no larger than the flashing wall body; and step four, a parapet wall is laid on the flashing wall body through solid bricks on the basis of the top of the flashing wall body, wherein the thickness of the wall body of the parapet wall is equal to the distance between the outer facade of the flashing wall body and the outer facade of the protective brick wall. A flashing structure built through the building roof parapet wall flashing construction process has the advantages of being resistant to cracking and falling-off and long in guarantee period and is convenient to construct and low in cost, and materials are convenient to obtain.

The invention discloses an optimal scheduling system for a renewable energy microgrid. The system comprises a data acquisition module, a data storage module, a data modeling analysis module and a regulation interaction module, wherein the data acquisition module is used for storing acquired historical data in a relational database of the data storage module and sending the historical data to the data modeling analysis module; a data processing center in the data modeling analysis module is used for performing data modeling analysis on the historical data to generate a data record sheet, and outputting an energy consumption prediction result to the regulation interaction module; the regulation interaction module is used for formulating an optimal energy scheduling scheme by virtue of a control center of a renewable energy optimal scheduling system. The system is applicable to a microgrid runs in a grid connected or off-grid manner, the optimal scheduling requirement of a complex microgrid system with multiple kinds of energy coexisting is met, an optimal scheduling strategy is made, and the microgrid can run more economically and efficiently.

The invention discloses a plant endophyte with a category name of Enterobacter sp. and a complete name of Enterobacter sp. SaCS20. The strain is preserved at China General Microbiological Culture Collection Center (CGMCC) on March 28th, 2013, and has a preservation number of CGMCC NO: 7381. The invention also discloses the application of the plant endophyte in promoting paddy rice growth, improving paddy rice yield, or promoting trace element zinc accumulation in paddy rice. The Enterobacter sp. CGMCC 7381 provided by the invention is separated from the root system of a zinc hyperaccumulator sedum alfredii. The plant endophyte has no pathogenicity upon paddy rice, and can be successfully colonized into paddy rice root systems. With the plant endophyte, paddy rice growth can be promoted, rhizosphere soil available zinc content can be increased, and grain zinc enrichment can be promoted. The application provided by the invention is simple to operate, and is safe and economical. With the plant endophyte and the application, soil micronutrient fertilizer investment can be reduced, and crop yield can be increased.

The invention provides an endophyte for promoting the growth of plants and the remediation of heavy metal-contaminated soil and application thereof. Bacterial liquid of endophyte SLS18 is utilized to dip-dye Sorghum bicolor L. in a mode of seed bacteria dipping to colonize the endophyte SLS18 into the Sorghum bicolor L. to accompany each stage of the growth of the Sorghum bicolor L., so that the growth of the Sorghum bicolor L. on heavy metal-contaminated marginal land and the remediation of soil are promoted. The endophyte SLS18 is separated from the stem of a hyperaccumulator, namely pokeberry root, is obtained through screening, and is an endophyte which can be successfully colonized in the Sorghum bicolor L., has a remarkable effect of promoting the growth of the Sorghum bicolor L. and has the heavy metal resistance. A method is easy to operate, and is safe and economic, no new pollution is introduced into soil environment, heavy metal-contaminated marginal land resources can be effectively utilized so as to avoid the rival of energy crops and food crops against finite cultivated land, and heavy metal-contaminated land can also be effectively remediated.

A preparing method of a three-dimensional shell-imitated material is provided. The method includes preparing a nanometer aromatic polyamide fiber dissolved solution from aromatic polyamide fibers in asolvent by utilizing stirring and stripping; mixing a mica dispersion, a surface modifier and a dispersing agent to obtain a mica sheet suspension modified with the surface modifier; mixing the micasheet suspension modified with the surface modifier with the nanometer aromatic polyamide fiber dissolved solution to obtain a mica-nanometer aromatic polyamide fiber dispersion; preparing a compositefilm by spraying the mica-nanometer aromatic polyamide fiber dispersion through a spray-assembling method; spraying the composite film with zinc oxide nanoparticles; infiltrating the composite film in epoxy resin; and performing lamination and hot press processing to obtain the three-dimensional shell-imitated material. The three-dimensional shell-imitated material has bending stress, toughness and Young modulus which are far higher than those of pure nanometer aromatic polyamide fiber block materials, and has specific stress and specific toughness which are far higher than those of shell-imitated materials of the same type. In addition, stability of properties in acidic, alkaline, high-temperature, low-temperature, radiation environments and other harsh environments is achieved.

The invention discloses a plant endophyte capable of degrading PAEs and application of the plant endophyte in PAEs polluted soil repair. The strain of plant endophyte is Bacillus megaterium YJB3 and is deposited in the China Center for Type Culture Collection, Wuhan University, Wuhan, China, on June 28, 2017 with the preservation number CCTCC NO: M 2017389. A YJB3 bacterial liquid is utilized for colonizing the endophyte in the plant rhizosphere or in the body of a plant by means of rhizosphere soil inoculation, spray treatment or seed soaking, or the endophyte is directly added into the PAEs polluted soil, and both above can increase the soil phthalate acid ester pollution repairing efficiency. The plant endophyte is easy to operate, safe and economic, free from introducing secondary pollution to soil environment and capable of avoiding the risk of agricultural product pollution, and is of great significance for production of safe agricultural products by efficiently utilizing regional medium- and low-concentration polluted soil and realization of production while repair.

The invention discloses an application of Bacillus megaterium YJB3 in plant growth promotion and bio-control, and belongs to the field of plant protection. The Bacillus megaterium YJB3 has phosphorusdissolving, nitrogen fixing, ferritin producing and other plant growth promoting functions, and also has a plant pathogen inhibiting bio-control effect. Endophytes are colonized in plants or rhizospheres in a rhizosphere inoculation, blade spray or smear treatment or seed or root soaking manner by using a plant endophyte YJB3 bacterium liquid, so the nutrient level of inoculated plants is improved, the disease resistance is improved, the plant biomass is increased, and the plant growth is promoted. The Bacillus megaterium YJB3 is simple, safe and economic to operate, can reduce the use amountsof pesticides and chemical fertilizers in agricultural production and reduce agricultural non-point source pollution, and is of great significance to improving the ecological environment of farmlandsoil and improving the quality of agricultural products.

The invention relates to a rape transgenosis detecting kit in the field of detecting articles. The rapeseed transgenosis detecting kit comprises a primer combination and a membrane chip, and is characterized in that the primer combination is a 11-double-starting oligonucleotide primer combination, the membrane chip refers to 11 groups of probe sequences and one group of positive control probe sequences, which are fixed on the surface of a supporting film, and the 5' end of each probe is provided with an amino marker; asymmetric PCR (polymerase chain reaction) amplification primers, which are Tag primers with biotin marks at 5'ends, are included in the primer combination. The rapeseed transgenosis detecting kit provided by the invention overcomes the defects of time and energy waste and high cost in the prior art, the rape transgenosis detecting kit provided is simple to operate, is quick and sensitive, is high in detection flux, has visual detection results and is low in cost.

The invention discloses a preparation method of axially chiral biaryl phosphine oxide and axially chiral biaryl phosphine and particularly relates to a preparation method of axially chiral biaryl phosphine oxide with the structure shown as formula (I). The preparation method comprises the following steps: in an environment of an alkali and a solvent, directly preparing axially chiral biaryl phosphine oxide in one step through a catalytic asymmetric Suzuki reaction by taking 2-bi(aryl) phosphine oxide-1-aryl halide or sulphonate thereof and 2-substituted arylboronic acid or corresponding borate or borate as a reaction primer and metal palladium as a catalyst; then, recrystallizing the solvent to obtain the optically pure axially chiral biaryl phosphine oxide; and further obtaining corresponding axially chiral biaryl phosphine by adopting a silane reduction method or other common methods. The preparation method is simple to operate, economic and high in synthetic efficiency without common splitting process, so that the defect of existing preparation method which is more in step and raw material-wasting can be avoided. The preparation method provides a more convenient path for synthesizing axially chiral biaryl phosphine oxide and corresponding axially chiral biaryl phosphine.

The invention discloses an ultrasonic guided-wave defect locating method based on Liapunov index, and the method is as follows: constructing a duffing oscillator signal detection system on the basis of duffing equation, calculating the Liapunov index variable with driving force F change; exciting ultrasonic guided wave signals on a to-be-tested material through an emitter, traversing all positions of the to-be-tested material with the ultrasonic guided wave signals, and obtaining an actually measured signal by a receiver; constructing a window function, intercepting, from the actually measured signal, interception signals with length corresponding to different window length, inputting each interception signal into theinterception signal, calculating the Liapunov index with driving force F change after the interception signals are inputted; determining the interception signal corresponding to the window length of greatest driving force F change amount, moving the window function to scan the interception signal for defect locating of the to-be-tested material. The ultrasonic guided-wave defect locating method can be used for ultrasonic guided wave signal identification, locating of defects in different degrees of injury, and improvement of the sensitivity of ultrasonic guided wave identification of small defects.

The invention discloses a kit for detecting genetically modified soybean in the field of test items. The kit for detecting genetically modified soybean comprises a primer combination and a membrane chip. The kit for detecting genetically modified soybean is characterized in that the primer combination is a seven polymerase chain reaction (PCR) primer combinations; each pair of primers comprise Pat, Bar, Cry1Ab, Cry105, EPSPS, P35S and a soybean endogenous gene sequence Lectin; the membrane chip is seven groups of probe sequences, which are orderly fixed on the surface of a support membrane and a group of positive control probe sequences, the probe sequences are respectively a Pat probe, a Bar probe, a Cry1Ab probe, a Cry105 probe, an EPSPS probe, a P35S probe, a Lectin probe and a Positive probe; an asymmetric PCR amplification primer is formed in the primer combination, and is a Tag primer with a biotin marker (biotin) at the 5' end. By adopting the kit for detecting genetically modified soybean, the defects of time and labor waste, and high cost in the prior art are overcome; the provided kit for detecting genetically modified soybean is simple to operate, quick and sensitive, large in detection throughput, visual in detection result and low in cost.

The invention relates to a technique for preparing N-amino piperidine hydrochloride, making piperidine react with sodium nitrite under acidic condition to produce nitroso piperidine, reducing the nitroso piperidine with reducer and obtaining the target compound N-amino piperidine hydrochloride by HCl processing. The reacting time for each step is shorter, the reacting conditions are moderate, the after processing is extremely easy, and it needs no chromatographic column, and it is a synthesizing method simple and convenient to operate, economic and practical.

The invention relates to the technical field of food processing, in particular to a method for improving quality of germinated brown rice by means of plasma treatment. The method comprises the following steps: carrying out pretreatment: carrying out impurity removing and hulling on rice, and then picking out the brown rice which is full in grain and is not moldy and rotten; carrying out plasma treatment: putting the preferred brown rice into a plasma equipment reactor, adjusting equipment parameters and carrying out electro discharge treatment on the brown rice under the condition that the airis used as a discharge gas source; putting the brown rice, subjected to the plasma discharge treatment, into deionized water at 4 DEG C, soaking for 24h, and then placing in a constant temperature and constant humidity incubator for carrying out germination culture; culturing for 12-48h to obtain the germinated brown rice; washing the obtained germinated brown rice and then drying under the hot air condition so as to obtain the germinated brown rice with improved quality. The prepared germinated brown rice not only has the characteristics of being high in water absorption rate and germinationrate, good in cooking property, light in bran wax taste, good in palatability, and the like; furthermore, the germinated brown rice is rich in functional factors such as gamma-aminobutyric acid, polyphenol, oryzanol and ferulic acid.

The invention relates to a method and a filling apparatus for a machine for filling casings, particularly sausage casings, comprising a filling tube (14) rotatable and drivable about the longitudinal axis (12) thereof, wherein a casing (8) that can be filled by the filling tube (14) can be pulled onto said tube. In addition, a casing brake (26) is provided in a supporting frame (24) at the open end (22) of the filling tube (14), the brake having a brake ring (28), which is rotatably mounted coaxially to the axis of the rotation by means of a mount (34) and a bearing (32). According to the invention, the open end (22) of the filling tube (14) is designed such that it interacts with the brake ring (28) and the casing (8) such that the brake ring (28) can be driven by the filling tube (14) in a friction-fit and / or form-fit manner and torque is transmitted to the casing (8).

The invention discloses an in-situ detection method for safety of a gravity-type wharf. The in-situ detection method comprises the steps of detection investigation, detection of scouring changing conditions of foundation bed and base, detection of horizontal displacement, settling and inclination of the wharf, detection of wharf structure pattern, detection of wharf foundation bearing capacity, detection of wharf foundation bed thickness and detection of wharf wall behind backfilling material and physical mechanic indexes thereof, as well as checking computation of stability against sliding, checking computation of stability against inclination, checking computation of foundation bed bearing capacity and checking computation of foundation bearing capacity based on the detection data. The method can conduct in-situ detection on the displacement, the deformation, the foundation and the main structure of the wharf under the premise that the integrity and the operability of the main structure of the built wharf are ensured, and accurately judges the safety of the wharf according to detection result.

The invention discloses a simple method for extracting and purifying ferulic acid from green wheat kernel bran. The simple method includes the steps that the raw green wheat kernel bran is crushed, and then soaking at the room temperature and extraction are conducted by using a certain ratio of material to liquid (g / ml) and the mass fraction of lye; then after a water extract is centrifuged, pH isadjusted to acidic and suction filtration is conducted, then extraction is repeated with ethyl acetate, and an organic phase is collected and rotary evaporate is conducted to dryness to recover ethylacetate; and after boiling distilled water is dissolved in the ferulic acid in dry matter, crystallisation and collection are conducted after refrigeration and drying to achieve the purposes of separation and purification and obtainment of high purity ferulic acid.

The invention belongs to the field of biomedical engineering, and particularly relates to a method for inducing mesenchymal stem cells to be directionally differentiated into osteoblasts. The method for inducing the mesenchymal stem cells to be directionally differentiated into the osteoblasts has the advantages that the problem of deficiency of a simple, convenient, economical, safe and effectivemethod for inducing mesenchymal stem cells to be differentiated into osteoblasts in the prior art can be solved; macromolecular three-dimensional structures are constructed, appropriate micro-environments are provided, collagen composition and mediation intercellular signal cascade amplification are adopted, culture is carried out on the mesenchymal stem cells in osteogenic induction culture media, accordingly, expression of osteogenesis-related transcription factors can be strengthened, and the mesenchymal stem cells can be promoted to be differentiated into the osteoblasts.

The invention belongs to the field of biotechnology, and discloses an in-vitro cell culture method for primary B cell acute lymphoblastic leukemia. According to the in-vitro cell culture method, primary B-ALL cells and OP9 cells are co-cultured so as to maintain the survival rate and proliferation of primary B-ALL cells and greatly relieve the differentiation and senescence of the B-ALL cells. The primary B-ALL cells cultured by adopting the culture method can be proliferated, the cell status is good, and the heterogeneity of tumor cells can be fully embodied. The method is simple, convenient, and economic to operate, and has good application prospects.

The invention discloses a primer and a kit for simultaneously detecting two types of echinococcosis. The primer is arranged in the kit in the form of freeze-dried powder or dissolved in a buffer solution. The primer comprises three pairs of specific primer pairs respectively comprising: an echinococcus granulosus specific primer pair, an echinococcus canadensis specific primer pair and an echinococcus multilocularis specific primer pair. By utilizing the three pairs of primers in the kit, individual or mixed infection of the three pathogens can be detected by one round of PRC amplification, and it can be determined whether samples to be detected are infected and infected with the species or not according to the specific bands present in the electrophoresis of the amplification products. Byadopting the kit, not only is the operation fast and convenient, but also the hydatidosis caused by three echinococcus infections can be accurately diagnosed and distinguished.

The invention relates to a trunk punching and drug injecting tool suitable for the forestry, in particular to a trunk punching and drug injecting instrument for preventing and controlling plant diseases and insect pests in the forestry. The problems of quick trunk punching and drug injection are solved. The trunk punching and drug injecting instrument has the advantages of being light, quick, free of pollution, safe and capable of being used continuously. The technical problem is solved mainly through a mode that a drill needle on a pushing-pressing rod is pressed into a truck by utilizing the lever principle in punching, the trunk punching and drug injecting instrument is labor-saving and quick, and an injection handle is controlled manually to inject liquid drug into the trunk through a dosing pump so that drug can be saved.

The invention discloses a micron-sized puffer fish epidermal spine contour modeling method based on image processing, and the method comprises the steps: firstly obtaining a microscopic image of a target sample located in the same focal plane through a microscopic technology, and then obtaining the complete contour of a sample image; obtaining a CAD file of the contour image by means of software;reconstructing a coordinate system through CAD software and obtaining contour spline points in batches; finally, achieving fitting of contour curve spline points in MATLAB, obtaining a high-precisionsample contour curve mathematical expression, and therefore establishing a three-dimensional model. According to the method, the mathematical model of the outline of the micro sample piece can be obtained only through computer software, operation is easy and economical, meanwhile, local characteristic parameters can be extracted according to results, the modeling efficiency and quality are improved, and the problem that in the prior art, the modeling precision of the micro sample piece is low is solved.

The invention discloses a wheat seed coating agent, which comprises an active component bactericide, a plant growth regulator, an inactive component coating agent and an aid, and concretely comprises the following components in percentage by weight: 0.5 to 2.0 percent of tebuconazole, 21 to 22.5 percent of thiram1.5 to 2.2 percent of concentrated emulsion No.500, 2.4 to 3.0 percent of concentrated emulsion No.600, 0.5 to 1.7 percent of di-secondary sodium sulfocyanate, 0.05 to 0.15 percent of xanthan gum, 0.3 to 4.0 percent of dimethicone, 4.5 to 5.5 percent of ethylene glycol, 0.5 to 2.0 percent of warning color and the balance of water. The total content of tebuconazole and thiram is 23 percent. The seed coating agent has the characteristics of high suspension rate, high coating property, uniform coating, low stripping rate, low toxicity, convenient use and the like. The seed coating agent to seed ratio is high, so the seed coating agent is economic to use, and the cost of the seed coating agent is lower than those of products of the same kind. The germination rate of the wheat seeds can be improved by 10 percent, the incidence of rust disease and dust-brand in wheat fields is reduced by about 30 percent, and the yield of the wheat is increased by over 10 percent.