120results about How to "Improve the production effect" patented technology

The present invention features that PVA of polymerization degree 500-2000 and alcoholysis degree 75-99 mol% in 100 portions is mixed with solvent mixture of dimethyl sulfoxide and water in 200-400 portions, the mixture is stirred and heated to 80-120 deg.c at -0.01--0.08 MPa pressure in a stainless steel reactor for 3-4 hr to compound the spinning solution, and the spinning solution is filtered and defoamed and used in spinning to obtain water soluble PVA fiber after post-treatment. The PVA fiber has a water solving temperature of 10-90 deg.c, strength greater than 3.5 cN/dtex, monofilament length of 1.5-10 dtex, fracture elongation of 15-30%. It may be processed into top, which may further blended with wool top, cotton, top, etc. to produce fine yarn or hollow yarn, or cut into staple fiber for producing non-woven fabric, etc.

The invention discloses a preservation solution for exfoliated cell and a preparation method which uses the preservation solution to process cell thin layer smear. The preservation solution for exfoliated cell comprises the components which are prepared by the volume proportion of 10 to 15 portions of methanol, 10 to 15 portions of alcohol, 1 to 2 portions of glycerin, 1 to 2 portions of glycol polyethylene, 10 to 12 portions of formaldehyde, 0.5 to 1 portions of glacial acetic acid, 10 to 20 portions of sodium chloride with 0.85 percent to 0.9 percent of mass concentration and 33 percent to 68.5 percent of phosphate buffer. The steps of the preparation method for cell thin layer smear are that: 1) the collected sample is put in the preservation solution for exfoliated cell for shaking; the sample is transferred to a centrifuge for centrifugal treatment after standing; 2) the supernatant is removed until 1ml to 2ml residue is left in the centrifuge tube; the cell suspension is obtained after uniform vibration; 3) 0.5ml to 1ml cell suspension is put into a smear preparation cup which is made into cell thin layer smear by a cell smear preparation machine.

The invention discloses a making method of crosslinking sodium polyacrylate and crosslinking carboxymethyl starch built high-adosrbing resin in the macromolecular composite material technical domain, which comprises the following steps: building crosslinking sodium polyacrylate and crosslinking carboxymethyl starch; blending; gelatinizing; tabletting; grinding; sieving; obtaining the product with low manufacturing cost and high safety; making the distilled water adsorbing rate by 800-1200 times and physiological saline adsorbing rate by 60-100 times.

The invention discloses a rhythmic video generation method, device and equipment and a storage medium, and relates to the field of artificial intelligence. The specific implementation scheme is as follows: the method is applied to the electronic equipment, and comprises the following steps: acquiring target music and a plurality of target multimedia data determined by a user; extracting energy data of the target music; determining a target rhythm point in the target music according to the energy data of the target music and the number of the target multimedia data; converting the target multimedia data into a target video matched with the target rhythm point according to a preset video generation strategy; and generating a target rhythmic video according to the target video and the targetmusic. The target rhythm point can be accurately determined through the energy of the target music. Moreover, the rhythmic video can be automatically generated according to the target music and the plurality of target multimedia data, and the user can carry out personalized customization on the music and the multimedia data without artificial participation, so that the generation efficiency of therhythmic video is improved.

The invention belongs to the field of Chinese herbal medicinal feed additives, and discloses an immunopotentiator for weaning piglets. Raidx astragali, largehead atractylodes rhizome and divaricate saposhnikovia root are taken as raw materials in a ratio, and are subjected to water extraction concentration and alcohol precipitation extraction in turn in a multifunctional Chinese medicament extracting tank, and the obtained product is subjected to freeze drying to prepare a finished product. The immunopotentiator for the weaning piglets accounting for 0.2 to 0.8 percent of the weight of a feed is added. The Chinese herbal medicinal immunopotentiator can effectively enhance the resistance of the piglets, and is particularly suitable for the growth and development of the weaning piglets.

The invention belongs to the technical filed of biological medicines, and relates to a codon optimized severe fever associated thrombocytopenia syndrome virus nucleoprotein gene and a nucleic acid vaccine thereof. The sequence of the codon optimized gene considers the codon usage bias of mammal cells, and is represented by SEQ ID NO.2. The severe fever associated thrombocytopenia syndrome virus nucleoprotein nucleic acid vaccine is composed of the codon optimized severe fever associated thrombocytopenia syndrome virus nucleoprotein gene sequence and an eukaryotic expression vector pJW4303, and the 5' end of the sequence is connected with a tPA signal peptide sequence. The nucleic acid vaccine effectively stimulates the immune system after immunizing mammals, and generates good humoral immune response.

The present invention relates to a stand-alone device for generating electrical energy comprising: an excitation coil (2) furnished with a central opening, a magnetic circuit passing through the central opening of the coil and formed of a fixed part (3) and a movable part (5) that can move with respect to the fixed part (3) so as to vary the magnetic flux through the excitation coil (2), characterized in that, the magnetic circuit passes through the central opening of the excitation coil (2) several times, forming at least one loop. The invention also relates to a remote control device comprising a transmitter coupled to a remote receiver and a stand-alone device (1) for generating electrical energy so as to generate an electric current intended to power its transmitter.

The invention belongs to the technical field of air purification materials, and particularly relates to a natural terpene type nanocomposite material capable of releasing negative oxygen ions, and a preparation method of the natural terpene type nanocomposite material. The natural terpene type nanocomposite material capable of releasing the negative oxygen ions is prepared from 1-40 parts of cinnamomum camphora, 1-90 parts of pine pollen, 1-60 parts of beeswax, 1-70 parts of uncaria rhynchophylla, 1-30 parts of lotus leaves, 1-70 parts of pine needles, 1-40 parts of Chinese mugwort and 1-200 parts of substrates. The preparation method comprises the following steps of (1) weighing the cinnamomum camphora, the pine pollen, the beeswax, the uncaria rhynchophylla, the lotus leaves, the pine needles and the Chinese mugwort, performing mixing, performing grinding, adding deionized water, performing distillation, performing extraction, and performing separation so as to obtain terpene type substances; (2) weighing the substrates, grinding the weighed substrates, and activating the ground substrates; and (3) adding the terpene type substances obtained in the step (1) to the activated substrates obtained in the step (2), performing mixing, and performing grinding so as to obtain the natural terpene type nanocomposite material. The natural terpene type nanocomposite material capable of releasing the negative oxygen ions is scientific, natural and healthy in formula, can sufficiently release the negative oxygen ions, can promote metabolism of human bodies, can enhance immunity and has the functions of bacteriostasis, sterilization and deodorization.

The invention discloses a window screening capable of releasing anion and filtering particle matter (PM) 2.5 particles. The window screening comprises a grid cloth with the aperture of 1-3mm and a microfiltration membrane, wherein the grid cloth provides a framework supporting function and is made from any one of polyester, polypropylene, acrylic fibers 6, acrylic fibers, high strength glass fiber, and inflaming retarding aramid fiber, the microfiltration membrane is used for air ventilation and filtration and made of a Teflon material, the aperture of the microfiltration membrane is 0.2-5.0mm, the thickness of the microfiltration membrane is 0.01-0.05mm, the grid cloth and the microfiltration membrane are laminated, the grid cloth faces towards the indoor, and the microfiltration membrane faces the outdoor. The window screening capable of releasing anion and filtering PM 2.5 particles has functions of existing window screenings and is capable of filtering fine particle pollutants in the air and meeting actual use requirements.

The invention discloses a method for extracting longan pulp polysaccharide. The method comprises the following steps of (1) slurrying and slurry treatment: mixing fresh longan pulp and purified water, pouring a mixture into a homogenizer for slurrying, adding alkali liquor and activating at -4 to 10 DEG C for 10-12 hours to obtain an activated liquid; (2) enzymolysis and concentrating treatment: adjusting the pH value of filtrate, adding a copper oxide-zirconium oxide catalyst and ternary complex enzyme to filtrate, carrying out enzymolysis under the condition of 200-500W of microwave irradiation and then carrying out ultra-filtration concentration on enzymatic hydrolysate obtained through enzymolysis; (3) centrifugal treatment: mixing a concentrated liquid and a mixed alcohol solution, and collecting an educt by adopting a centrifugal machine; and (4) spray drying treatment. An alkali liquor low-temperature activating enzyme association technology is introduced into an extraction preparation process of the longan polysaccharide; the yield of a target product is obviously improved in comparison with a conventional technology; and meanwhile, the method has the characteristics of being efficient, fast, low in cost and suitable for massive industrial production.

The invention provides a nano composite material capable of increasing the production efficiency of far infrared ray and a manufacturing method thereof. The method comprises the following steps: evenly mixing soluble noble metal compounds, far infrared ray particles, a reducing agent, soluble acryl powder, a soluble adhesive and other components in water to form a mixed solution; drying the mixed solution; and performing mechanical grinding on the material obtained after completely drying the mixed solution to obtain the nano composite material in the invention, wherein noble metal nano particles are evenly and stably attached on the surfaces of the far infrared ray particles in the nano composite material. When the material or a fabric is attached to the human body surface or is arranged close to the human body by a user, namely, the noble metal nano particles are utilized as an efficient energy conversion material to absorb ambient luminous energy and heat energy, the far infrared ray particles are excited to convert the luminous energy and heat energy into far infrared ray and feed back the far infrared ray into the human body, thus warming the partial tissues in the human body to lead the capillaries to expand, and achieving the efficacies and effects of promoting blood circulation and metabolism.

An air cleaner is composed of outdoor unit, indoor unit containing cold medium, oxygen generator and cold medium tube. Said oxygen generator consists of oxygen generating unit in outdoor unit, oxygenexhauster and oxygen delivering tubes. Said oxygen generating unit comprises casing and mechanical unit consisting of air pump, switching valves, adsorbing column with nitrogen adsorbent therein, oxygen delivery pipes and test valve, and air delivery pipes.

The invention discloses a method for efficiently extracting longan seed polyphenols. The method comprises the following steps: (1) pulping and radiation treatment: mixing fresh longan seeds and deionized water, pulping, adding an organic acid solution, heating to 45-50 DEG C, and carrying out 60Co ionizing radiation treatment for 30-60 seconds to obtain a radiated pulp; (2) leaching and filtration treatment: adding a composite enzyme into the radiated pulp in a nitrogen protective atmosphere, extracting at 60-70 DEG C under reflux for 2-3 hours, filtering the leaching solution through an ultrafiltration membrane, and collecting the filtrate; (3) reduced pressure concentration and extraction treatment; and (4) adsorption and drying treatment. The ionizing radiation is matched with the organic acid solution to treat the pulp, thereby lowering the polyphenol binding capacity. The composite enzyme is added in the leaching process to break through the chemical bonds for binding the polyphenols, thereby enhancing the polyphenol product yield. The method is simple to operate, and has the advantages of high extraction efficiency and the like.

The invention belongs to the field of microorganism detection, and particularly relates to a fungus detection method based on liquid-based slide making technology and fluorescent staining technology.A fluorescent staining solution is prepared from the following raw materials: 0.001% of fluorescent brightener 28, 10% of potassium hydroxide, 4% of dimethyl sulfoxide, 3.6% of sodium chloride, 10% ofglycerol, 0.01% of Evans blue, and the balance of purified water. Most of samples can be enriched together and made into slides through the liquid-based making technology, so that the positive detection rate is greatly improved. According to the fungus detection method based on liquid-based slide making technology and fluorescent staining technology, the fluorescent staining solution can make thestructures of mycelia and spores clearly visible; fungi are easy to identify, the sensitivity is high; the accuracy and the efficiency of the staining result interpretation are improved; and the detection rate is high, and the application range is wide.

Heat exchanger of working medium of solution heat source and heat exchanger of solution cold water added to system based on single action absorption type cooling distribution system makes dilute solution passing through solution heat exchanger and before entering into generator be preheated in new added heat exchanger of working medium of solution heat source by heat source working medium discharged from generator. Dual temperature rise is realized in circulation. Before entering into absorber, the strong solution is pre-cooled in new added heat exchanger of solution cold water. The two added heat exchanger constitute new circulating flow, parameters of the circulating state are changed. Module functions are enhanced. Available temp of heat source is even lower. Difference in temp of heat source working medium between in and out absorption type refrigerate machine is increased so that machine is compact.

The invention relates to a lightweight anti-static foam pump and a material production process thereof. The pump and the process are designed aiming at the technical problems that the design of an inner space of a pump body of an existing similar product is not reasonable and the design of a double-piston and connecting seat structure is lacking. The key point is that an piston in a pump body comprises a large piston and a small piston, a valve needle is arranged into an inner through hole of a valve rod from one end of the valve rod in a sleeving mode, meanwhile, the valve needle in the valverod is buckled and fixedly connected with one end of the small piston arranged with the other end of the valve rod in a sleeving mode, the connecting part, the rod part of the small piston buckled and fixed with the valve needle, of a valve rod outer diameter is arranged with a spring pad in a sleeving mode, a valve needle sleeved end outer diameter of the valve rod is provided with a ring rib, one end of a spring abuts against the ring rib of the valve rod, and the other end of the spring abuts against the spring pad; and an outer diameter of the small piston is abutted and sealed with the thin inner cavity wall above an elastic sleeve of the pump body, an outer diameter of the large piston is abutted and sealed with the large inner cavity wall above a thin inner cavity in the pump body,a duckbill is connected with the valve rod through a connecting seat, the outer diameter of a blade ring of the large piston is provided with a vent groove, and the height of the pump body of a foampump is small.

The invention relates to a composition for preparing a hepatitis B vaccine and a preparation method and application of the composition. Cells infected by a hepatitis B virus can be inactivated and removed in an animal and a human body on the basis of keeping a hepatitis b virus specificity antibody of an original preventive vaccine, so that the composition has double effects of prevention and treatment. A novel high-activity antigen is formed by combining an immunostimulant activated ester and an original antigen HBsAg, and an immunoactivation effect higher than that of the original antigen HBsAg is achieved under the collaboration with an aluminum adjuvant. The composition has the beneficial effects of enhanced immunocytokine induction and higher antibody generation effect, especially high-level mark Th1 immunity generation of a gamma-interferon and an IgG2a antibody has significant innovativeness and practicability in removal of the hepatitis B virus.

The invention discloses a protein of rice root hair growth control gene OsRHL1 coding, which has an amino acid sequence expressed by SEQ ID NO: 2. The invention further simultaneously discloses genes coding the protein, which has a nucleotide sequence expressed by SEQ ID NO: 1. The invention further simultaneously discloses a method for modifying rice root hair, including transforming rice cells by using the gene and cultivating the rice cells after transformation into plants.

The invention relates to the technical field of molecular biology, in particular to a codon-optimized peste des petits ruminants virus F gene nucleic acid vaccine. The codon optimization gene sequencegives consideration to the codon use preference of mammalian cells, and a sequence is shown as SEQ ID NO. 2. According to the peste des petits ruminants virus F gene nucleic acid vaccine, after signal peptide at the 5'end of an F gene is removed, the remaining sequence is optimized through codons, the 5 'end is connected with an encephalitis B virus signal peptide sequence, and finally the sequence is inserted into an eukaryotic expression vector. The nucleic acid vaccine effectively stimulates an immune system after immunizing a mouse, generates a neutralizing antibody and reflects good immunogenicity.

The invention discloses a pathological cell flaking machine in the technical field of medical instruments. The flaking machine comprises an operating platform. The top of the console is fixedly connected with a centrifugal motor. The side wall of the centrifugal disc is rotationally connected with a slide frame. The top of the centrifugal disc is fixedly connected with a connecting column. The side wall of the connecting column is fixedly connected with a separating funnel. The bottom of the separating funnel is fixedly connected with an electromagnetic valve. The end part of the control pipeis fixedly communicated with a flaking bent pipe. Filter membranes are fixedly connected into the flaking bent pipe and the telescopic pipe. The top of the centrifugal disc is rotationally connected with a conversion disc. The side wall of the conversion disc is fixedly connected with a plurality of arc-shaped plate grooves. The bottom of the slide rack is rotationally connected with a switching rod. A guide rod is fixedly connected to the side wall of the centrifugal disc. According to the present invention, the operation steps are reduced, the sheet production consumables are saved, the specimen transfer in the pipetting step is avoided, the specimen is not easily disordered, the sheet production is rapid and simple, and the sheet production effect and the sheet production rate are improved.