1748results about How to "Strong" patented technology

An electrical connector, a ring-like locking sheet with inner and outer teeth of which is fixed at the end of its plug connector; and a circumferential bulge, with trapezoid cross section which has an upslope, a flat top and a down-slope, is provided on the surface of the outer conductor of the socket connector. Therefore, in the process of connection, the inner teeth reach the max flexural deformation when go up along the slope to the flat top. When reach the down-slope, the deformed inner teeth gradually restore the original state in tangential direction of the down-slope, and finally stop at the down-slope or at the juncture of the down-slope and the flat top. The electrical connector according to the present invention can have a rigid zero clearance between the interfaces in connection, and at the same time can keep a very strong axial force. The RF coaxial connector according to the present invention has continuous impedance between the contact surfaces, reliable and stable contact, greatly reduced RF emission, as well as the same operating frequency, excellent RF performance and good passive intermodulation as those with threaded connection.

The invention relates to a high-performance sand-soil consolidation material, as well as a preparation method and a using method thereof. The high-performance sand-soil consolidation material belongs to a mortar composition and is characterized by comprising the following raw materials in parts by weight: 5-40 parts of cement clinker, 3-6 parts of gypsum, 4-10 parts of alkali additive, 0.5-6 parts of compound activating agent, 1-4 parts of early strength agent, 2-10 parts of mineral activating agent, 3-8 parts of expansion agent and 22-77 parts of micro-powder formed by fine grinding of blast furnace water-quenched slag. The invention provides the high-performance sand-soil consolidation material which has the advantages of simple operation, convenient construction, good water resistance, fast consolidation, high early strength, stable improvement of post-strength, resistance to erosion of underground inorganic salt water, excellent anti-seepage performance and low production cost, as well as the preparation method and the using method thereof. The high-performance sand-soil consolidation material is suitable for consolidating mine tailings, natural weathered sand, fly ash, gravel, stone chips, stone powder, soil, sludge, construction waste, coal gangue and phosphorus slag into a solid material, and can be used for laying a subgrade, constructing a wall body and constructing a site foundation.

A turning insert, preferably for internal machining, includes a polygonal body of hard wear resistant material, which has an upper surface and a lower surface provided in separate substantially parallel planes and a number of side surfaces each interconnecting the upper and lower surfaces. A first side surface is a leading edge surface, and a second side surface is a trailing edge surface during machining. At least one chip former is provided. At least one rounded cutting corner having cutting edges is formed at an intersection of the two side surfaces. The cutting corner defines a bisector plane. The chip former is asymmetrically arranged relative to the bisector plane. The chip former has a surface that is provided in the plane of the upper surface. The surface is provided at substantially one side of the bisector plane and the convex portion of the chip former has a lower edge intersected by the bisector plane at least twice.

The present invention provides an 8-oxoadenine compound having immunemodulating activities such as an interferon inducing activity and useful as an antiviral agent and antiallergic agent, which is represented by the following formula (1):[wherein the ring A represents a 6-10 membered aromatic carbocyclic ring and the like, R represents a halogen atom, an alkyl group and the like, n represents an integer of 0-2, Z1 represents alkylene, X2 represents oxygen atom, sulfur atom, SO2, NR5, CO, CONR5, NR5CO and the like, Y1, Y2 and Y3 represent independently a single bond or an alkylene group, X1 represents oxygen atom, sulfur atom, NR4 (R4 is hydrogen atom or an alkyl group) or a single bond, R2 represents a substituted or unsubstituted alkyl group, R1 represents hydrogen atom, hydroxy group, an alkoxy group, an alkoxycarbonyl group or a haloalkyl group]or its pharmaceutically acceptable salt.

The present invention provides a foamed and / or aerated substrate for transmucosal and / or transdermal applications. The foamed and / or aerated substrate may be in the form of a film, sheet, strip or wafer. The foamed and / or aerated substrate is suitable for use in applications such as, for example, adhesive denture liners, tooth whitening, and smoking control / cessation. The foamed and / or aerated substrate is polymeric in nature and comprises one or more polymers and one or more foaming agents. Additionally, the foamed and / or aerated substrate may include, but not limited to, one or more plasticizers, hydrophobic barrier agents, tooth whitening agents, antioxidants, preservatives, super-disintegrants or absorbents, flavorants, deodorants, breath freshening agents, colorants, surfactants, film modifiers, cross-linking agents, antimicrobial agents, control release agents, other therapeutic agents, or any combinations thereof.

The invention discloses an asphalt base composite material for pavement crack repair. The asphalt base composite material for pavement crack repair is prepared from a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 120-150 parts of anionic emulsified asphalt, 1-3 parts of water reducing agent, 1-3 parts of defoaming agent, 3-8 parts of binder and 0-10 parts of water, and the component B comprises the following raw materials in parts by weight: 100 parts of cement, 70-110 parts of sand and 0.01-0.06 part of expanding agent. The asphalt base composite material for pavement crack repair has the flexibility of asphalt, the rigidity of cement and certain strength, is used for crack pouring and can bear and transfer loading force; the binder is added to the material so as to play a role of reinforcing the binding force between the material and crack walls, so that the service life of a pavement is prolonged, and the re-cracking phenomenon is difficult to occur. The asphalt base composite material for pavement crack repair has the advantages of low cost price, simple construction, low requirements on constructors, low energy consumption, low cost, strong binding power and long useful life and can be widely applied to the pavement crack repair.

The invention provides a soft soil foundation treated by chemical solution-combined injection electroosmosis method and a construction method of the soft soil foundation, and belongs to the technical field of processing of the soft soil foundation. A metal electrode is inserted into the soft soil foundation; different chemical solutions are injected into a positive electrode and a negative electrode respectively, and a direct current is fed; under a direct current field, water and a cation solution which have positive charges flow towards the negative electrode, and an ion solution with negative charges flows towards the positive electrode so as to form electroosmosis chemical reaction; at the same time, the water is pumped and discharged from the top of the negative electrode so as to reduce the water ratio in the soil, accelerate concretion and compaction of the soil, and enhance the strength of the soil; and precipitates produced by the chemical reaction can cement the soil particles. Compared with other soft soil foundation treatment methods, the construction method has the advantages of more environment friendliness, lower energy consumption and saved treatment cost, and large-size mechanical equipment and building materials such as cements, sand, stones and the like are not required. By the method, the construction process is simple, the operability is high, the quality is convenient to control and detect, and the intensity of the soil is enhanced obviously.

Compounds shown by the above formula or salt thereof show a strong angiotensin II antagonistic activity and hypotensive action and CNS activity, and are useful as therapeutic agents of circulatory diseases such as hypertensive diseases and heart diseases (e.g. hypercardia, heart failure, cardiac infarction), strokes, cerebral apoplexy, nephritis, atherosclerosis, Alzheimer's disease, senile dementia, etc.

The invention discloses a ceramic polished tile, which uses magnesian clay as a main plastic raw material, and mainly uses a SiO2-MgO-CaO-Al2O3 quaternary phase as a formulation system, wherein the SiO2 is between 65 and 85 percent, the MgO is between 5 and 20 percent, the CaO is between 3 and 15 percent, the Al2O3 is between 3 and 15 percent, KNa2O is between 0 and 3 percent, and Fe2O3 and TiO2 are between 0 and 2 percent. The invention also discloses a method for producing the ceramic polished tile. The ceramic polished tile uses the magnesian clay as the plastic raw material so that the source of the raw material is broadened,; and with the addition of talc and quartz, the ceramic polished tile has the characteristics of high brightness, high strength, high hardness, good wear resistance and the like, and has the advantages of wide range of firing temperature, small shrinkage, low product proportion, reduced production cost, low price and high quality, improved product competitive power, and great promoting function for the development of the ceramic polished tile industry.

A crosslinkable, pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.

A system for detecting haemozoin in a sample, said system including a light source for exciting the sample with an optical signal to generate a non-linear optical response, and a detector for detecting the generated non-linear optical response from the excited sample. A method for detecting haemozoin in a sample, the method including exciting the sample with an optical signal to generate a non-linear optical response from the sample, and detecting the emitted non-linear optical signal from the excited sample.

The invention discloses an orthotropic steel plate-fiber grating reinforced concrete combined deck structure. The deck structure comprises an orthotropic steel plate, fiber gratings, concrete and a wearing layer. The fiber gratings, the concrete and the wearing layer are arranged on the upper side of the orthotropic steel plate successively. The fiber grating is connected with the orthotropic steel plate on the lower side of the fiber grating through a high-performance epoxy resin adhesive, and shear keys are arranged on the periphery of the orthotropic steel plate as required so as to increase the bonding strength. The deck structure has the advantages of being high in interlayer shear resistant capacity, anti-stripping, water-proof, high in rigidity and strength, and good in toughness, is provided with stable high-temperature stability and low-temperature crack resistance, is capable of effectively preventing interlayer cracking, reducing the fatigue cracking risk of the orthotropic steel plate and pavement layers and improving plus or minus bending moment resistance of the steel plate, and is applicable to building and repairing of various steel deck structures.

The invention relates to a system and method for carrying out CARS (Coherent anti-Stokes Raman Scattering) imaging by using four-wave mixing signals generated by optical fiber. The system comprises a laser source, multiple reflecting mirrors, an optical parametric oscillator, a precise displacement platform, two long-wave-pass dichroscopes, a coupling objective lens, optical fiber, a two-dimensional scanner, a focusing lens, a supporting sleeve, a sample, a band-pass filter, an imaging lens, a detector and a computer. A light beam which is output after the laser source sends a frequency-doubling light beam for pumping the optical parametric oscillator, and a base-frequency light beam sent by the laser source are respectively pumping light and Stokes light for CARS imaging, and the four-wave mixing signals which are excited after the pumping light and the Stokes light are overlapped on time and space and then transmitted in the optical fiber are probe light for CARS imaging. CARS signal light which is generated after the pumping light and the Stokes light are focused on a sample are not overlapped with the frequency of the pumping light and the frequency of the Stokes light and can be separated by the long-wave-pass dichroscopes. Relative to the standard CARS system, the system disclosed by the invention is not newly provided with any device, has no special requirement on the used devices and is simplified in system and saved in cost.

A mine rescue command visualization of wireless devices includes front-end equipment, repeater equipment, ground receiving equipment. Front-end equipment can capture filed picture under very low illuminance circumstances, and then audio signal and the parameters in the Underground sent to ground receiving equipment by way of repeater equipment, are downloaded and stored by ground operations center platform to achieve the dynamic of the scene underground surveillance and command. The invention's front-end equipment is an independent, full-featured, compact appearance of the micro-devices, adopting the most advanced Mesh wireless broadband network technology, using intelligent explosion-proof AP equipment for data transmission , the invention has real-time, accurate, multi-directional, multi-functional high speed and efficiency the advantages.

The invention discloses a hydrophobic anti-ice and snow coating of a fluorosilicone acrylate copolymer and a preparation method of the coating. The paint includes ethyl acetate as a solvent, and the solute contained in the solvent is a fluorosilicone acrylate copolymer and a curing agent. The process of preparing the coating with the coating includes using aluminum flakes as the substrate, cleaning the surface with acetone and water, and drying; the coating is sprayed with a spray gun, powered by air, and sprayed at different distances from the surface of the substrate to obtain micro-nano Superhydrophobic coating with raised rough structure. The invention has the advantages of simple coating preparation process, easy-to-obtain raw materials, good film formation, high strength and hardness of the formed coating, and is widely used for surface coating of outdoor facilities such as transportation and power transmission. The coating preparation method is simple, does not require chemical treatment, is easy to industrialize, is suitable for large-area applications, and has high practical value and good anti-ice and snow effect.

The invention provides a preparation method of a metal resin complex and the metal resin complex prepared thereby. The preparation method of the metal resin complex comprises the following steps: S1, micropores are formed on the surface of a pretreated metal substrate, and the metal substrate is an aluminum alloy substrate or aluminum substrate; S2, the metal substrate having the micropores on the surface thereof and obtained by the step S1 is soaked in a water-soluble polymer solution for modification; and S3, the surface of the treated metal substrate modified by soaking in the step S2 is coated with a resin composition, and after molding the metal resin complex is obtained. In the metal resin complex, the binding force between metal and resin is strong, and the process is simple, is easy for large-scale production, and has no pollution.

The invention discloses a ring forging and rolling processing method of bearing ring parts used for a large-scale wind turbine unit. The technical scheme of the invention is that the processing method comprises the following steps: (1) blanking; (2) heating by a first heating number; (3) forging and making a blank forming; (4) heating by a second heating number; (5) chambering and reforming; (6) heating by a third heating number; (7) carrying out diameter expansion and ring rolling; (8) cutting two connected bearing ring part workblanks which are obtained in the step (7) to obtain a single workblank; and (9) thermally treating: normalizing, quenching and tempering. The processing method disclosed by the invention has the following beneficial effects: compared with the prior art, four heating numbers are decreased to three heating numbers; two ring parts can be obtained by one-time rolling and expanding processing through the improvement of a mold, so that the production efficiency is improved, the cost is lowered, and good combination property of a flange is ensured; and the bearing ring parts processed by the processing method of the invention have high strength, good hardenability, strong toughness, small deformation in the quenching, and stronger creep strength and persistent strength at the high temperature, and are applied to a large-scale wind turbine unit in a severe environment.

The invention discloses multi-phase combined lightweight aggregate concrete and a preparation method thereof. The multi-phase combined lightweight aggregate concrete is prepared from the following raw materials in part by weight: 1 part of cement, 0.40 to 0.50 part of fly ash, 1.836 to 2.219 parts of pumice sand, 0.028 to 0.043 part of corn straw fibers, 0.006 to 0.008 part of polyphenyl particles, 0.23 to 0.33 parts of rubber particles, 0.010 to 0.015 part of additive, 0.005 to 0.007 part of foaming agent, and 0.50 to 0.55 parts of water. The preparation method comprises the following steps:1, preparing thin-coating pumice sand and thin-coating straw fibers; 2, performing interference treatment of polyphenyl particles and rubber particles; 3, uniformly stirring the cement, fly ash, water, additive and thin-coating pumice sand; and 4, adding the polyphenyl particles, rubber particles and thin-coating straw fibers in turn, and continuing to stir. When the method is used, the mechanical performance of the lightweight aggregate concrete can be improved effectively, the thermal-insulation and heat-preservation performance is enhanced, and production cost is lowered.

The invention discloses an intelligent shopping trolley of Internet of things and an intelligent shopping mall and supermarket system, wherein a set of intelligent exhibition equipment of Internet of things is installed on a shopping trolley, the exhibition equipment is embedded in or connected with a RFID (radio frequency identification device) reader-writer or a two-dimension code recognizer through USB (universal serial bus) for automatically recognizing commodities with RFID labels or two-dimension codes, a shopping management software system is installed to directly inquire the detailed information, anti-fake information and traceability information of the commodities and is capable of being directly connected with checkout counters of the shopping mall and the supermarket and directly connected with an e-commerce website platform to provide automatic settlement and pavement functions to the customers or electronic payment and card payment function, and the like, and the shopping management software system can update the favorite, shopping trolley and payment settlement of the abutted e-commerce website in real time and evaluate the commodities.

The invention discloses a method for preparing a super-hydrophobic coating with a nanocrystalline cellulose / silicon dioxide (NCC / SiO2) composite template process. The method comprises the following steps: (1) treating microcrystalline cellulose (MCC) with 56% sulfuric acid; (2) performing centrifugal washing; (3) replacing water in an NCC suspension solution with ethanol; (4) grinding for later use; and (5) freezing a sample to subzero 30 DEG C and performing vacuum freeze-drying. The method has the advantages that stearic acid is taken as a modifier and can produce a dehydration reaction with surface -OH of SiO2 / NCC, and stearic acid further introduces hydrophobic -CH3 groups, so that the surface energy of SiO2 / NCC is reduced; and an NCC and SiO2 compound has not only the properties of a biopolymer material but also the properties of an inorganic material such as weather resistance, hardness and the like, can be used for modifying indoor and outdoor coatings, and can play a role in aspects of building floor cleaning, furniture pollution prevention and the like.

The invention relates to a pearlite thermal-insulating fireproof board for the exterior wall of a building, which has the advantages that the fireproof performance is improved, the heat conducting coefficient is reduced and the flexibility and the strength are enhanced; and the requirements on the thermal-insulating performance of the exterior wall of the building are well satisfied, the energy is saved by 65 percent and the A-degree fireproof requirement is satisfied. The pearlite thermal-insulating fireproof board is made of the following raw materials by volume weight per cubic meter of products: 80-120kg of light modified expanded pearlite with volume weight per cubic meter being 65kg, 3-5kg of modified hollow beads with volume weight per cubic meter being 110kg, 2-6kg of 200-mesh sodium bentonite, 0.3-1.5kg of silica aerogel particles, 0.5-2kg of reinforced polypropylene (PP) fibers, 1-3kg of ceramic fibers, 0.3-1.5kg of asbestos wool, 20-30kg of inorganic modified water glass adhesive, 3-5kg of polyvinyl acetate adhesive, 0.5-3kg of modifier, 1-3kg of water repellent and 0.5-2kg of silicon aluminum powder, wherein the total percent of the volume weight per cubic meter of products is 100 percent. The pearlite thermal-insulating fireproof board is made through agitating, pressing, demolding, forming and drying processes. The coefficient of heat conductivity is as low as 0.045W / m.K.

The invention discloses a thermal activating glue film. The thermal activating glue film is characterized by consisting of resin, rubbers, fillings, a cross linker, a perduren compound and a promoter which are melted and mixed by a mixing mill and then calendered into a film. The thermal activation glue film is a thermal activating glue film which has the advantages of fast solidifying speed, excellent storage stability and high solidifying intensity, temperature resistance, environment protection and low cost.

The invention provides a manufacturing method of a carbon fiber composite material rectangular hollow pipe for a mechanical arm, and the obtained rectangular hollow pipe. A carbon fiber composite material serves as a raw material and is carbon fiber prepreg; the prepreg comprises one-way and fabric prepregs and the rectangular hollow pipe is manufactured by a mould pressing inflation forming method. According to the manufacturing method of the carbon fiber composite material rectangular hollow pipe, a rectangular thin-walled hollow pipe is manufactured by performing mould pressing inflation combined forming on the carbon fiber prepreg serving as the raw material. Compared with the prior art, the invention has the advantages that the carbon fiber composite material rectangular hollow pipe has high bearing capacity, high rigidity and light weight; during operation, the arm is more stable in action and moves and stops more quickly; the arm can be quickly positioned by the vibration damping characteristic of the carbon fiber composite material; the carbon fiber composite material is applicable to precision equipment due to the zero thermal expansion coefficient; equipment investment is small; a mould is simple to manufacture; production energy consumption is low; production period is short; automatic production is realized.

The invention belongs to environment-friendly and decorative glue, particularly relates to environment-friendly and decorative nail-free glue and a preparation method thereof. The environment-friendly and decorative nail-free glue comprises the following components: 5.0 to 20.0 percent of rubber elastomers, 10.0 to 30.0 percent of tackifying resin, 15.0 to 35.0 percent of reinforcing fillers, 2.0 to 8.0 percent of a thixotropic agent, 10.0 to 40.0 percent of a solvent and 0.1 to 1.0 percent of anti-oxidant; the preparation method of the environment-friendly and decorative nail-free glue comprises the following steps: putting the solvent into a high-speed stirrer, sequentially adding the rubber elastomers and the tackifying resin after a stirrer is started, stirring for 2 to 8 hours until all materials are dissolved to be a uniform liquid, then slowly adding the enhancing fillers and stirring uniformly so as to prepare a flowable slurry mixture, then adding the thixotropic agent and the anti-oxidant, and stirring uniformly so as to prepare the environment-friendly and decorative nail-free glue. The environment-friendly and decorative glue provided by the invention is environmental-friendly, is convenient to use, has high product bonding intensity and is excellent in durability.

The invention relates to a bipolar plate structure of a proton exchange membrane fuel cell, a fuel cell stack and a control method thereof, and belongs to the technical field of proton exchange membrane fuel cells. By use of an air cooling and liquid cooling integration bipolar plate, an auxiliary cooling system is simplified, and the uniformity of temperature distribution in the stack is improved; meanwhile, quick cold starting under a low temperature condition is easy to realize; by introduction of graphene into a bipolar plate material, the conductivity of the bipolar plate can be improved;a runner of a cathode plate flow field adopts a periodical gradual-change section, so that oxygen partial pressure on the surface of a three-phase reaction region can be increased; a porous gas diffusion layer has the gradient dewatering capacity in the gas flowing direction, so that the stability of the fuel cell stack is improved; a cathode reinforcing layer of a porous meshed structure is relatively high in intensity, relatively high in conductivity and excellent in corrosion resistance; the power and the stability of the stack are improved, and the service life of the stack is prolonged.

The invention relates to a method for producing Chinese herbal medicine health-care dark eggs. The method comprises the following steps: (1) taking bear gall powder, western safflower and the like to form a Chinese herbal medicine composition; (2) adding the above Chinese herbal medicine composition into a feed, mixing evenly and forming a mixed feed, wherein, the addition quantity is the weight ratio of 5-20:100 of the Chinese herbal medicine composition to the feed; and (3) feeding laying Taihe chicken with the mixed feed and laying eggs after feeding for 7 days, namely, the Chinese herbal medicine health-care dark eggs. The produced dark eggs contain abundant proteins, amino acids, vitamins, selenium, DHA and various famous and precious Chinese herbal medicine components, have abundant nutrition, strong medicine potency and obvious curative effect, have the effects of strengthening the spleen and the kidney, tonifying the liver, nourishing the stomach, supplementing qi, tonifying the blood, nourishing yin, reducing fever, smoothing collaterals, promoting blood circulation and the like, and have a favorable food therapy effect for preventing and treating diabetes, hypertension, hemiplegia, apoplexy sequelae, cardiovascular and cerebrovascular diseases and all classes of cancers.

A method for intelligently selecting an accounting node of a blockchain, relating to fields of blockchain, virtual currency and artificial intelligence, is provided, including steps of: (1), based on block data, calculating a node capability value of each accounting node; (2), making statistics of threshold values of the node capability values of every node; and (3), according to the threshold values, determining a current accounting node, and thereafter randomly selecting other nodes, so as to complete node selection. According to the present invention, based on block data and miner data of various dimensions, an intelligent distribution mechanism of accounting rights or mining rights is adopted; and meanwhile, a random distribution of accounting rights or mining rights is also adopted for avoiding hacker attacks. Therefore, on a premise of guaranteeing fairness, decentration and safety of the blockchain, problems of energy waste and low accounting efficiency due to mining conflict are solved.

The present invention provides a concrete composition that utilizes rubber aggregate with a distinct geometric shape. Preferably, the source of the rubber constituting the aggregate is used rubber tires cut by special saws or high pressure water jets to provide a smooth finished edge. Moreover, additional materials such as superplasticizers, fly ash, carbon fiber, fiberglass, and steel may also be mixed with the concrete compositions to vary the finish product's material properties.

The invention provides a method for improving the physical and mechanical properties of oxidation-degummed ramie. The method comprises the following steps of: preparing a degumming solution by using caustic soda, an oxidant, a surfactant, a fiber expanding agent, an oxidant stabilizer and water; mixing raw ramie and the degumming solution, heating, and boiling off to sufficiently remove colloid; and then cooling, adding a reduction softener, maintaining the temperature, oiling and drying after washing with clear water, and opening and carding to obtain textile ramie fiber subjected to reduction modification. According to the method disclosed by the invention, the defects of the prior art are overcome; and the reduction softener is added to raffinate obtained after oxidation-degumming, oxycellulose produced in the degumming process is reduced and softened, so that the physical and mechanical properties, such as strength, length, elongation and softness of the fiber are improved, the working procedures are simplified, and pollution and environmental pressure are lightened.