64results about How to "Good prospects" patented technology

The invention belongs to the technical field of flexible energy storage devices, and particularly relates to a metal organic frame / conductive polymer composite material, a preparation method thereof and application in knittable, flexible and fibroid supercapacitors. Carbon fiber bundles are adopted as an electrode substrate, the electro-deposition metal organic frame / conductive polymer composite material is adopted as an electrode active material, polyvinyl alcohol-electrolyte gel is adopted as solid electrolyte and a membrane, and the prepared fibroid supercapacitor has the excellent capacitive performance, good mechanical flexibility, wide working temperature range and stable long-term service life, capable of being directly knitted and integrated into textile easily, and capable of providing an efficient energy storage system for wearable mobile equipment.

A navigational aid system for fishermen comprises a computer that is connected to the Internet. The computer accesses a high resolution map in the vicinity of a fishing boat. The map depicts the ocean temperature and depth profile in relation to marked latitude and longitudinal indicators. A specialized GPS system in communication with the computer depicts the latitudinal and longitudinal position of the fisherman's boat. The computer executes a separate program that has a transparent window overlaying the map. A user selects two points, one point at a time, on the map and enters corresponding latitude and longitude bearings consistent with those shown on the map. The separate program receives the GPS data and plots the boat position in an orthogonal coordinate system based on the two points selected and their corresponding coordinates. The map is optionally provided with data concerning weather and buoy or wreck hazards in the vicinity of the boat, together with details concerning the coastline.

One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of the sensor in the absence of analyte. In certain embodiments, the sensor of the present invention consists of a complexing domain comprising a metal ion and a complexing agent and a conducting polymer, wherein the redox potential of the metal ion is similar to the redox potential of the conducting polymer. In one preferred embodiment, the presence of nitric oxide is detected by measuring the conducting change of a sensor comprising poly N,N′-ethylenebis(salicylidenimine) and cobalt. The poly N,N′-ethylenebis(salicylidenimine) cobalt sensors of the present invention are not adversely effected by the presence of water or oxygen.

The invention relates to chitosan hydrogel dressing and a preparation method thereof, and belongs to the technical field of hydrogel dressing in a biological medical material. The chitosan hydrogel dressing is prepared from 1 to 8 parts of chitosan or a derivative thereof, 0.1 to 3 parts of gamma-polyglutamic acid or salt thereof and 6 to 10 parts of oxidized hyaluronic acid or salt thereof. The chitosan hydrogel dressing provided by the invention can be prepared by taking water as a solvent and the biological cross-linking agent oxidized hyaluronic acid as a cross-linking agent through Schiffbase reaction, without the need of introducing other cross-linking agents and initiators; the cost and the biological toxicity of a gel product are extremely reduced, and the safety of clinical application of a gel material is ensured. The dressing has excellent biocompatibility and water absorbability; the cross-linking agents and the initiators are not added, so that the chitosan hydrogel dressing is safe and has no toxin, and a production process and a degraded product of the dressing do not pollute the environment.

The invention relates to a multi-energy-complementary heating and heat supply system of a nearly zero energy consumption building in an alpine region. The solar energy is combined with building foundation storage energy storage to achieve heating in winter, and the solar energy is combined with an air source heat pump to achieve domestic hot water supply. The multi-energy-complementary heating and heat supply system comprises a solar thermal collector, a heat storage coil, a heat-preservation foundation heat storage layer, a plate heat exchanger, warm air blowers, the air source heat pump, a hot water tank and the like. In non-heating seasons, the solar thermal collector is used for heating domestic water which is then stored in the water tank, and the air source heat pump is used for auxiliary heating if heat energy is insufficient. In heating seasons, part of hot water flows into the heat storage coil to be stored for standby use or to be used for supplying heat to the interior of a room through the warm air blowers, and the other part of the hot water flows into the plate heat exchanger to heat domestic water. When solar radiation is weak, the hot water flows from the building foundation heat storage layer into the warm air blowers to supply heat to the interior of the room, and the air source heat pump operates in daytime with the high temperature to heat domestic water which is then stored for standby use. According to the multi-energy-complementary heating and heat supply system of the nearly zero energy consumption building in the alpine region, renewable energy sources are utilized for multi-energy complementation to achieve heating and domestic heat supply of the alpine region in winter, and nearly zero energy consumption operation of the building can be achieved.

A three-dimensional wind vector field measurement system employs convergent beams for localised velocity measurement enabling mapping of the wind field across an extended spatial region. This enables characterisation of complex field signatures. This enables advanced control and protective systems for wind turbines. This also enables improved wind harvesting. This also enables improved prospecting. This also enables improved equipment selection. Buoy mounted systems enable measurement in an offshore environment.

The invention discloses a method based on mixotroph microalgae oil accumulation, and belongs to the technical field of biodiesel. The method comprises the steps that a BG-11 basal culture medium adopting glucose as a carbon source is used for cultivating single algae, and algae cells are collected when the single algae grows to the rear logarithmic growth period; waste fermented liquid is dilutedto be adopted as the basal culture medium for single algae, and then, MgSO4 7H2O is added into the basal culture medium; the PH value is regulated to 6.8-7.1, and the culture medium is prepared; the prepared culture medium is subjected to high-pressure and high-temperature sterilization, oil-producing single algae is inoculated, the algae cell concentration is 0.9-1 g / L, then, absolute ethyl alcohol is added for dissolving a melatonin mother solution, the final concentration of melatonin in the culture medium is 10<-1>-10<-4> mol / L, and the algae solution is placed into strong light to be cultured; microalgae cultured to the stable stage is enriched, oil is extracted, and biodiesel is prepared. The method is simple and easy to implement, the production cost can be greatly lowered, the oilyield is remarkably increased, and therefore the biodiesel production efficiency of microalgae is greatly improved.

The invention provides methods and systems for assessing the developmental potential of mammalian embryos. The method of the invention comprises taking measurements of cytoplasmic movements in the embryo and / or periodic changes in the shape of the embryo at the single cell stage.

The invention discloses a power fiber to the home (PFTTH) access method based on an EPON (Ethernet passive optical network), which comprises the following steps: 1) analyzing a building structure and an electrical structure of a building to be accessed; 2) determining a node position of a power fiber; 3) allocating an optical divider; and 4) allocating an ONU (optical network unit) terminal. According to the PFTTH access method based on the EPON, a data model of the PFTTH is established, a plan on the PFTTH is guided, and site operation is convenient, so that the using requirements of different regions and environments on the terminal can be met; and the PFTTH access method has the advantages of high practicability and good prospect.

The invention belongs to the field of biotechnology, and particularly relates to a bacillus subtilis for producing chitosanase and application thereof. The chitosanase produced by the bacillus subtilis has high yield and strong enzyme activity, and has a different protein structure from ordinary chitosanase, and provides a new idea for in-depth study of chitosanase molecule mechanism. The ordinarychitosanase has good activity only when the ordinary chitosanase is in weakly alkaline to weakly acidic conditions, and the chitosanase found in the invention has better performance in weak alkaline,neutral, weakly acidic and relatively strong acidic conditions. At the same time, the chitosanase discovered in the invention can not only act on soluble chitosan but also on insoluble high-poly chitosan, omitting pre-treatment of chitosan degradation; final reaction products are dipolyglucosamine and tripolyglucosamine, the bacillus subtilis for producing the chitosanase is simple in composition, is convenient for subsequent further processing applications, and greatly saves production costs.

The invention relates to the method to prepare handicraft with root, stem, leaf, flower, fruit and seed of natural plant as raw material, which comprises, pre-treating, drying to shape, filtering carrier, designing art picture, sticking by hands, drying and packaging; wherein, the raw material can also be fruit and vegetable. This method integrates the natural plants and scientific design, enriches the handicraft image, increase view value and practice; meantime, the method fits to both hand work and semi-mechanized operation, decreases cost, and has high added value of product.

The invention provides a neoagarobiose hydrolase. The amino acid sequence of the neoagarobiose hydrolase is SEQ IDNO:1. The neoagarobiose hydrolase can degrade neoagarobiose to generate 3,6-anhydro-L-galactose (L-AHG) and D-galactose, and therefore the neoagarobiose hydrolase can be used for preparing pure L-3,6-inner ether galactose. Serving as a biocatalyst used for producing the L-AHG, the neoagarobiose hydrolase has a user-friendly reaction environment, high catalytic activity, a certain advantage over a chemical method and good application potential and prospects. The L-AHG is a kind of levoglucosan, has good skin whitening performance and anti-inflammatory activity and has very good potential application value in the aspects of medicine and cosmetics. According to recombined escherichia coli strains, recombined agarase expressed by pETNA / BL21 accounts for 28% of total protein. The expression level is high, the recombined agarase is easily purified and expression quantity is not reduced after continuous passage is carried out. The neoagarobiose hydrolase is adopted for preparing recombined neoagarobiose hydrolase and the L-AHG in a mass mode.

The present disclosure relates to cleaning compositions in general, and cleaning compositions that are well suited for use by individuals, who experience adverse health effects that may occur upon exposure to certain chemicals. This condition, characterized as multiple chemical sensitivities (MCS), makes it virtually impossible for certain individuals to use commercially available cleaning products without inducing immunological responses. The instant disclosure presents and describes protocols for the formulation and evaluation of a variety of cleaning products using a combination of 14C assay, head space analysis and screening of ingredients and products by highly sensitized individuals. The methods and compositions newly presented herein avoid causing adverse health responses in individuals and are suitable for use by any person, particularly individuals who experience MCS.

The invention relates to a high-entropy ceramic modified coating with controllable components and a controllable microstructure, and a preparation method thereof. The high-entropy ceramic modified coating is a mixed coating formed by any four or more elements selected from zirconium (Zr), titanium (Ti), hafnium (Hf), tantalum (Ta), niobium (Nb), vanadium (V), chromium (Cr), molybdenum (Mo) or tungsten (W) and a substrate coating. The substrate coating comprises SiC-Si, ZrC-ZrSi2 or TiC-Ti. The preparation method comprises the following steps: pre-treating a base material; and mixing a solvent and a binder, carrying out ultrasonic dispersion, then adding a corresponding high-entropy ceramic precursor raw material TMxOy and other raw materials to prepare a uniform slurry suspension solution, and carrying out dipping-drying curing to obtain a pre-coating layer. According to the method, the high-entropy ceramic does not need to be prepared in advance, only the corresponding precursor raw materials are used for coating the surface of the base material through a simple material coating method, and a (carbon, nitrogen, carbon nitrogen or boron) compound high-entropy ceramic solid solution is generated in situ in a infiltration process, so solid solution strengthening effect can be achieved, the cohesion binding force of the coating is high, the hardness and high-temperature oxidation corrosion resistance of the coating can be further improved, and large-scale industrial application can be achieved.

This invention relates to a method of reducing the deleterious effects of water production in a subterranean formation by placing an aqueous phase polymer and / or resin, which at a designated set up time, solidifies and blocks water conduits. This invention pertains specifically to a method of conditioning well bores and placing the polymer and displacing the polymer and / or resin to establish post treatment gas and oil permeability. Novel polymers and / or resins for use as a water barrier are disclosed, typified by phenoformaldehyde containing 1-2 weight % of at least one of sodium bisulphite, sodium metabisulphite or mixtures thereof. The method includes selecting a well having sizable hydrocarbon reserves with a production history of decrease of oil or gas production with concurrent increase of water production.

The invention discloses a high-strength fiberglass methane tank. The high-strength fiberglass methane tank is characterized in that the fiberglass methane tank is made from unsaturated polyester-fiber reinforced bulk molding compounds which are prepared from, by weight, 25-45 parts of unsaturated polyester, 15-30 parts of reinforced fibers, 10-15 parts of aldehyde-modified crosslink polyesyrene, 0.3-0.5 part of N,N-dimethylaniline, 0.2-0.4 part of an initiating agent, 35-45 parts of magnesium oxide, 0.1-0.3 part of nanosilicon dioxide, 0.5-2 parts of a coupling agent, 0.02-0.1 part of calcium hydroxide, 1-3 parts of polyoxyethylene castor bean oil, 0.5-2 parts of stearic acid zinc salt, 3-7 parts of styrene, 0.1-0.3 part of p-benzoquinone and 0.2-0.5 part of 2,6-butylated hydroxytoluene. The fiberglass methane tank is good in toughness and strength, the height of anti-shock strength is greater than or equal to 160J / m<2>, and the tank is anti-corrosion and heat-resistant, good in oxidation resistance and capable of meeting requirement of the high-strength giberglass methane tank.

The invention discloses a toughening modified polyethylene powder and its preparation method. The toughening modified polyethylene powder comprises the following ingredients, by weight, 30-60% of polyethylene, 10-30% of ABS, 5-15% of glass fibre, 8-12% of a compound fire retardant, 3-10% of a flexibilizer, 1-3% of a styrene-maleic anhydride copolymer SMA, 0.1-0.5% of a 1010 antioxidant, 0.1-1% of EVA wax and 2-5% of antistatic master batch, wherein the ABS is an acrylonitrile-butadiene styrol copolymer with molecular weight being 80000-200000. The invention has beneficial effects as follows: the toughening modified polyethylene powder has advantages of excellent comprehensive properties, efficient flame retardance, good antistatic property and the like and has good practical value and prospect in fields of chemical industry, machine, tubing, packaging and the like.

The invention relates to the technical field of adsorption of mercury ions in water, in particular to a mercury ion adsorbent preparation method. Firstly, through the effect of a KH-550 coupling agent and diatomite surface rich hydroxyl, upper active functional group-NH2 is modified by diatomite, by controlling the mass ratio of the diatomite to the coupling agent, a series of modified compounds are obtained, through an infrared spectrum and TG analysis, and the mass ratio with a high modification content is obtained; then, the diatomite modified by NH2 is connected with chitosan by using glutaraldehyde as a bridge, and by controlling the mass ratio of the modified diatomite to the chitosan to the glutaraldehyde, a functional mercury ion adsorbent is obtained. Compared with previous adsorbent physical blending, the adsorbent is rich in required material, simple in preparation process and more stable and has strong acid resistant and alkali-resistant capacities.

A shoe for sportsman, esp the walking race one, is composed of upper and sole with pressure-sensing pad inlaid in a special recess on sole. Said pad has hydraulic liquid guiding slot, buffer edges, hydraulic liquid regulator, oil filling tube and air outlet. In the recess on the arch of sole, there are hydraulic regulator, button battery, encoder-emitter chip, and pressure-sensitive switch. It can be used to judge if the sportsman has violated the rule.

The invention discloses a silicon-based long-wave infrared waveguide and a preparation method thereof. The preparation method comprises the following steps of: preparing a waveguide structure on a common silicon slice, preparing a silicon dioxide mask by using a thermal oxidation method, and then carrying secondary photoetching; setting windows on both sides of a waveguide, carrying out wet corrosion by using a KOH (Potassium Hydroxide) solution, and realizing etching speeds of different crystal faces by selecting a proper concentration and a temperature; and achieving the purpose of slotting by using side corrosion. The long-wave infrared waveguide prepared in the method has simple structure and low process difficulty and is prepared from the common silicon slice without an expensive SOI slice and realizes back deep etching without stopping a corrosion process. For different wavelengths, low transmission loss can be realized by optimizing structural parameters.

The present invention discloses a sulfated derivative of polysaccharide extracted from gastrodia elata BL., the preparation method thereof and the use thereof in preparing antineoplastic medicaments, wherein, the gastrodia elata polysaccharide has the following structure:wherein, x and y are each an integer, and x+y=16,“n” is and integer, andthe mean molecular weight of the polysaccharide from gastrodia elata is estimated as 2.8×105, the specific rotation of the polysaccharide is +95° in a 0.5 mg / mL aqueous solution thereof;the sulfated position is mainly at 6-hydroxy of the gastrodia elata polysaccharide, with mean molecular weight of 6.5×104 and a specific rotation of +150.0° in a 0.5 mg / mL aqueous solution thereof. In vivo and in vitro experiments indicate that the sulfated derivative of gastrodia elata polysaccharide can inhibit the tumor growth by suppressing the expression of Id1 to inhibit angiogenesis, and therefore has an obvious antitumor activity, and shows almost nontoxicity to endothelial cells, thereby having a good prospect of being developed into antineoplastic medicaments.

The invention discloses a chloroquine spray and a preparation method thereof. The spray consists of a powder and a solution, wherein the powder contains chloroquine or a chloroquine derivative, a carrier macromolecular material and a sweetening agent, and the solution is a salt solution containing borneol and / or menthol. The spray containing a chloroquine medicament is developed for the first time, has small toxic and side effects, can be directly used for antibacterial and antiviral protection of the oral and nasopharynx, can be used for clearing the nose and cleaning the pharynx and throat,and has the original clinical treatment application. Meanwhile, the method utilizes the carrier macromolecular material to wrap the chloroquine, prolongs the retention time of the chloroquine spray in the oral mucosa or the nasal mucosa to achieve the effect of slow release and long-acting, and can obviously improve the bacteriostatic disinfection effect of the chloroquine by being supplemented with menthol, borneol and ethanol. The chloroquine spray is mild and non-irritating, has good taste and convenient use, and can provide normal care for healthy people and more effective prevention andtreatment measures for infected or latent people in the aspects of virus protection such as novel coronavirus and the like.

The invention provides an extraction and purification method of water-soluble total alkaloid with an alpha-glycosidase activity inhibition function from mulberry branch bark and application of the water-soluble total alkaloid. The purification method comprises the following steps: based on the mulberry branch bark as a raw material, adding an extraction solvent (water and ethanol at a ratio of 100-20 percent to 0-80 percent), extracting, heating and refluxing, filtering, repeatedly extracting twice, combining two filtrates, and concentrating; adding 75-100 percent methanol or ethanol by volume, and performing alcohol precipitation at a temperature of between 4 and 30 DEG C; centrifuging or filtering to remove residues and insoluble substances, collecting the supernatant after alcohol precipitation and concentration, purifying through a cation exchange resin column, washing non-adsorbed impurities with deionized water, and eluting with 0.2 to 2mol of ammonia water; passing the eluate through an anoin exchange resin, washing with deionized water, collecting the non-adsorbed part, and regulating the pH to 8; filtering with a membrane, drying the filtrate to prepare powder, namely light-yellow water-soluble total alkaloid extract, wherein the extract can inhibit the activity of alpha-glycosidase, and the content of DNJ (1-deoxynojirimycin) is between 50 and 70 percent.

According to wood fiber-based composite sponge and a preparation method thereof, wood is used as a raw material, lignin is removed through sodium hydroxide and sodium sulfite, white wood fibers are prepared by combining methods of sodium chlorite, hydrogen peroxide oxidation and the like, the wood fibers are dissolved in deionized water, bismuth nitrate pentahydrate is added, a potassium bromide solution is dispersed into the solution, and then freeze-drying is performed to obtain fiber sponge; and the composite sponge shows super hydrophilicity and underwater super lipophobicity, selectively separates layered oil / water mixtures, can also be used for separating oil-in-water emulsion and adsorbing water-soluble organic pollutants at the same time, and is high in separation efficiency and adsorption efficiency. The regenerated composite sponge still has excellent reusability and efficient emulsion separation and dye adsorption performance.

The invention discloses a water depth measurement device and method. The water depth measurement device comprises a handle rod; the handle rod comprises a handheld part at the upper end and a first straight rod connected with the handheld part; the water depth measurement device also comprises a first sleeve, wherein the first sleeve is connected to the outer wall of the first straight rod in a sleeved mode; the lower end of the first sleeve is connected with a measuring head; the measuring head is in a cake shape; a leveling water bubble is arranged on the upper end surface of the cake-shapedmeasuring head; an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end are arranged on the lower end surface of the cake-shaped measuring head; an information display screen is arranged on the outer wall of the middle of the first sleeve; a control unit is arranged inside the cake-shaped measuring head; and the control unit is electrically connected with the ultrasonic ranging transmitting end, the ultrasonic ranging receiving end and the information display screen separately. By virtue of the water depth measurement device and method, on the premise that too much investment is not needed, the water depth of the water area can be conveniently and rapidly measured, and therefore, the water depth measurement device and method have relatively large application field and prospect.

The invention discloses a collecting type material arranging line which comprises a material arranging conveying table, a dividing section, a tile changing section and a collecting section, wherein the dividing section, the tile changing section and the collecting section are arranged on the material arranging conveying table. The dividing section comprises multiple dividing channels, feeding inlets of the dividing channels extend to the position under a discharge port of a main conveying table, the tile changing section comprises multiple tile changing channels corresponding to the dividing channels in a one-to-one mode, tile changing rails are arranged in the tile changing channels, the collecting section supports the tile changing section and comprises multiple collecting channels, feeding inlets of the collecting channels are connected with discharge ports of the tile changing section in a one-to-one correspondence mode, and discharge ports of the collecting channels are compact and arranged side by side. According to the material arranging line, a unique collecting tile arranging mode is adopted, only one to two collecting type material arranging lines need to be arranged on one conveying table, material arranging efficiency is high, and cost and occupied area of equipment are greatly reduced; besides, tiles are output in a stacked state after material arranging, work is stable and reliable, and the problem that the surfaces of products are impacted or rubbed and scratched is well avoided.

The invention discloses a preparation method of a three-dimensional flower-like zinc oxide nanometer material and an obtained product. The method comprises the following steps: mixing anhydrous zinc acetate and ethylene glycol to obtain a transparent solution, adding a mixture of lauryl amine and oleic acid into the transparent solution, and uniformly mixing so as to obtain a precursor solution; raising the temperature of the precursor solution to be 130-140 DEG C under inert gas shielding so as to carry out a reflux reaction, performing centrifugal separation and washing after reaction completion, thereby obtaining the zinc oxide nanometer material, wherein the zinc oxide nanometer material is in the shape of a three-dimensional flower. The process disclosed by the invention is simple and convenient in process flow and short in reaction time, and the obtained product has the flower shape, looks like half a calliandra flower, is controllable in morphology and adjustable in size, has excellent application prospects in the fields of new energy materials and sensing and can serve as an additive of a high-end sun and skin care product.

The invention discloses a mobile phone and electric vehicle dual-purpose networking intelligent charging integrated machine which is an integrated wall-mounted intelligent charger and comprises a charger shell, a wall-mounted mounting assembly, a user identification system, a mobile Internet access system, a man machine operation system, an intelligent payment settlement system, a coin payment system, a charging capacity display system, a network communication system, an automatic charging system, an intelligent processing system, and connecting lines. The intelligent processing system comprises an information processing system, an intelligent motherboard, a wireless router, and a wireless network card, and the systems are connected through the connection lines. The mobile phone and electric vehicle dual-purpose networking intelligent charging integrated machine conforms to the development needs of the mobile Internet, Internet+, and smart cities and is connected to the mobile Internet, a new 'smart' way of life is formed, a mobile phone charger and an electric vehicle charger are integrated into one body, and the networking intelligent charging of a mobile phone and an electric vehicle is realized.

The invention discloses an airtightness test fixture. The airtightness test fixture comprises a fixture frame, a control panel arranged in the fixture frame, test seats installed on the upper surface of the fixture frame, and air pressure monitors for detecting air pressure change inside an electronic component to be tested, wherein the test seats are connected with air inlet pipes and have air inlets communicating with the electronic component to be tested formed therein, the air pressure monitors are electrically connected with the control panel, and the fixture frame is also provided with displays and indicating lamps which are controlled by the air pressure monitors. The airtightness test fixture has the following advantages: a conventional bubble detection method in the prior art is replaced, and under the condition that external air pressure is not changed, the airtightness of the electronic component is tested through detecting the air pressure change inside the electronic component; and whether the sealing performance of the electronic component is qualified can also be displayed through the indicating lamps, and therefore, the airtightness test fixture has a good industrial popularization value and prospect.

The present invention discloses a high-performance PBT composite material and a preparation method thereof, wherein the high-performance PBT composite material comprises, by mass, 60-80% of PBT, 10-15% of a fire retardation agent, 5-15% of glass fibers, 3-10% of a toughening agent, 0.5-3% of micron calcium oxide, 0.1-0.3% of a surface treating agent, 0.1-0.5% of a 1076 antioxidant, 0.1-0.5% of a 168 antioxidant, and 0.1-1% of modified ethylene bis fatty acid amide TAF. The high-performance PBT composite material of the present invention has beneficial effects of excellent fire retardation, excellent processability, good impact toughness, low warpage, and good size stability, is added with the appropriate amount of the micron calcium oxide to improve the mechanical strength, the electric leakage resistance and the heat resistance so as to provide the good comprehensive performance, and provides good practical values and prospects in the fields of chemical industry, machinery, electronics, electrical appliances, building materials and the like.