823results about How to "Improve liquidity" patented technology

The present invention is directed to a minimally invasive system and method for monitoring changes in a cervix opening during labor, including changes in its diameter. The system having a probe and a monitoring unit serve to monitor periodically the cervix opening during labor and obtain measurements of the diameter of the cervix opening. The probe primarily includes a camera for imaging the cervix opening, a lens to provide an optimal field of view for the camera at close range to the cervix opening, a light source to illuminate the cervix and a balloon to expand the vagina around the probe and position the probe to allow unobstructed imaging of the cervix. The monitoring unit which controls the probe to acquire images of the cervix and receives and processes image data from the probe includes a processor which uses image segmentation techniques to identify and measure the opening of the cervix and generates data signals. The monitoring unit also includes an image display which displays information based on the data signals for viewing by health care providers and/or the patient, including graphic images of the cervix opening and other text information relating to the cervix opening as an indicator of the progress of labor. In one embodiment, the processor implements segmentation techniques and/or blob analysis algorithms to analyze the images of the cervix to identify the opening and measure its diameter. Other algorithms may also be implemented to correct for any spatial distortion, particularly barrel distortion.

The invention provides a heat conduction nylon composite material and a preparation method thereof. The heat conduction nylon composite material comprises the following components by mass: 20-60 percent of nylon, 3-10 percent of a compatilizer, 5-10 percent of high thermal conductivity fiber, 30-50 percent of a high thermal conductivity filling material and 0.5-16 percent of assistants. The heat conduction nylon composite material has the advantages as follows: through the addition proportion control of a branching agent and a chain extendor, the effect that slight crosslinking occurs in the modification process of the material and deep crosslinking is conducted in the processing process of injection moulding in a later period is achieved, so that the material is directly changed from a thermoplastic material into a thermoset product, and the physical and mechanical properties of the product are greatly improved, so as to solve the problem of over large impact on the physical properties of the product caused by high filling amount of heat conduction ingredients.

The invention discloses a thermoplastic halogen-free and low-smoke flame retardant polyolefin sheathed plastic which comprises the following components by weigh part: 30-80 of polyolefin resin, 0-30 of blend resin, 5-20 of grafted materials, 100-150 of inorganic fire retardants, 0.5-30 of coupling agents, 0.5-1.5 of antioxidants and 1-4 of hyperbranched polymers. Compared with the prior art, because hyperbranched polysiloxane is added into the halogen-free low-smoke flame retardant polyolefin sheathed plastic, a prepared product plays a toughening role while improving the system mobility. The obtained halogen-free low-smoke flame retardant polyolefin sheathed plastic adapts to quick production and has the advantages of good flame retardant property, good cracking resistance property, storing mechanical property and good extruding and forming quality.

The invention discloses ceramic glaze prepared from the following components in weight percentages: 40 to 80% of SiO2, 8 to 20% of Al2O3, 0 to 5% of B2O3, 3 to 13% of CaO, 1 to 6% of MgO, 1 to 10% of BaO, 0 to 5% of ZnO, 1 to 4% of K2O, 1 to 4% of Na2O, 5 to 13% of ZrO2, 0 to 0.5% of Fe2O3, and 0 to 0.5% of TiO2. The invention also discloses a preparation method of the ceramic glaze. In the preparation method of the invention, some raw materials in the glaze formula are calcined at high temperature in advance, which helps to reduce defects such as bubbles and pinholes on the glaze and improves the quality of a product, meanwhile, the melting temperature of the glaze is properly reduced, the fluidity of a glaze melt at the high temperature is increased, and a flat, fine and smooth surface can be easily obtained. By adoption of the preparation method of the invention, the matte glaze with good hand feel and low glossiness can be obtained, and the high gloss glaze with a smooth surface and without pinholes or bubbles can also be obtained, so as to obtain the ceramic product with more excellent performance.

The invention discloses an additive for pervious concrete. The additive for the pervious concrete comprises a water reducer, a retarder, a viscosity modifier, an entraining agent and water, wherein the mass ratio of the water reducer to the retarder to the viscosity modifier to the entraining agent to the water is (30-50): (1-3): (0.5-3): (0.3-1.5): (42-60). The invention further discloses the application of the additive for the pervious concrete. The additive for the pervious concrete has the advantages that for the application requirement of the pervious concrete, the additive special for the pervious concrete is provided; after the additive is added to the pervious concrete to be used, the fluidity of the pervious concrete can be improved, premature drying and condensation can be avoided, unloading is facilitated, and the durability and the long-term strength of the previous concrete are improved.

PCT No. PCT/JP97/00646 Sec. 371 Date Sep. 11, 1998 Sec. 102(e) Date Sep. 11, 1998 PCT Filed Mar. 4, 1997 PCT Pub. No. WO97/33686 PCT Pub. Date Sep. 18, 1997Provided are microcapsules enclosing therein a magnetic fluid, which are useful for imparting sound-absorbing and insulating ability to building materials, etc. by incorporation thereinto or adhesion thereto by means of an adhesive, and processes for producing the microcapsules. The heat-expandable microcapsule of the present invention comprises (i) a shell composed of a thermoplastic resin and (ii) a magnetic fluid which is a dispersion of magnetic substance fine particles having an average particle diameter of 5-200 nm in a hydrophobic organic solvent and a hydrophobic liquid foaming agent, both enclosed in the shell. The hollow microcapsule of the present invention comprises (i) a shell composed of a thermoplastic resin, and (ii) a magnetic fluid which is a dispersion of magnetic substance fine particles having an average particle diameter of 5-200 nm in a hydrophobic organic solvent and a vacant cell both included in the shell. The coating material of the present invention comprises at least one of these sound-absorbing and insulating microcapsules.

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of one or more ion-pair amphiphiles, wherein the ion-pair amphiphiles are composed of one or more cationic amphiphiles and one or more anionic amphiphiles.

Methods for producing glass articles of a wide range of geometrical shapes, including shapes that are heretofore difficult or impossible to make monolithically. The glass articles are made by first building the nascent glass article from glass powder and a binder using a three-dimensional printing free-form fabrication process followed by sintering the nascent glass article at a temperature that is hundreds of degrees above the glass powder composition's glass transition temperature while supporting the nascent glass article in a bed of an inert powder having a high flowability.

This invention relates to a new type nanometer crystal Fe-Zr-Nb-Si-Al-Cu series soft magnetic alloy super thin band and its process technology in which, the mother alloy is smelted by vacuum IF induction oven, an amorphous band is processed by a single quick cooling device to be processed by magnetic field heating at last to get the needed product with good soft magnet performance and iron core made by the super thin band improves its magnetic performance greatly.

The invention discloses a high-fluidity PA10T polyamide resin A. The relative viscosity of the PA10T polyamide resin A is 1.2-1.8 in 98% concentrated sulfuric acid at the temperature of 25 DEG C; the amino end group value of the PA10T polyamide resin A is 20-60mol/t and the carboxyl end group value is 70-130mol/t; and benzoic acid accounts for 2-20mol% of repetitive units in the PA10T polyamide resin A. A polyamide composition comprises the following components in percentage by weight: 5-29.8wt% of the PA10T polyamide resin A, 50-94wt% of PA10T polyamide resin B, 0.8-40wt% of mineral filler and 0.2-1wt% of other auxiliaries. The PA10T polyamide resin A disclosed by the invention has the advantages that the apparent viscosity is low and the fluidity is high under the melting condition; and when a certain proportion of the PA10T polyamide resin A is added in semi-aromatic polyamide, the obtained polyamide composition has high fluidity and basically-equal mechanical property and can be applied to occasions with high dimensional requirement on injection molding products.

The invention discloses a nylon 6 mineral fiber composite material for an automobile engine cover lid and a preparation method thereof. The composite material is characterized by being mainly prepared from the following components in parts by weight through mixing, extruding and granulating: 50-70 parts of nylon 6 resin, 10-20 parts of glass fiber, 10-20 parts of inorganic mineral, 2-8 parts of compatilizer, 0.3-1 part of heat stabilizer, 0.1-0.3 part of coupling agent, 0.1-0.3 part of antioxidant and 0.3-1 part of lubricant. The composite material has the advantages of high toughness, rigidity, flowability, dimensional stability and heat stability.

The invention belongs to the technical field of materials for road engineering, and provides energy-saving environment-friendly asphalt which is characterized by consisting of the following components in parts by weight: 100 parts of soft asphalt, 20-35 parts of natural asphalt, 10-20 parts of biological asphalt, 5-10 parts of a diluting agent, 2-5 parts of a tackifier and 1-3 parts of a plasticizer. The invention also provides a preparation process of the energy-saving environment-friendly asphalt. The process is simple and convenient to operate, can be used for reducing the mixing temperature and is beneficial for energy conservation and environmental protection. According to the energy-saving environment-friendly asphalt provided by the invention, the high-temperature viscosity is reduced and the fluidity is improved, so that the mixing and construction temperatures are reduced by 10-20 DEG C, energy sources are saved, the discharge of polluting gases is reduced, the environmental protection performance is good, and meanwhile, the pavement performance of an asphalt mixture is improved, and the high-temperature rut resistance, low-temperature cracking resistance and water stability are significantly improved.

The invention belongs to the field of magnetic material and specifically relates to a ferrite injection molding granule, which contains the following constituents in percentage by weight: 85-92% of ferrite magnetic powder, 0.3-0.5% of coupling agent, 7-14% of bonder and 0.1-0.5% of lubricant, wherein the bonder is mixture of PPS (polyphenylene sulfite) and PA (polyamide). The invention also provides a preparation method of the ferrite injection molding granule, which comprises a step of modifying magnetic powder surface, a step of mixing glue with magnetic powder, a step of lubricating and a step of mixing and pelletizing, wherein the step of lubricating is an individual step, namely, lubricant is added after the glue mixing process is finished and the magnetic powder has formed uniform mixture along with the bonder. The ferrite granule prepared by the invention has the characteristics of ferrite/PPS granule and ferrite/PA granule, and has good high temperature resistance and better mechanical property.

The invention relates to a poly(nonamethyleneterephthalamide) material and a preparation method thereof. The composite material comprises the following components in part by weight: 30 to 50 parts of poly(nonamethyleneterephthalamide) (PA9T), 8 to 20 parts of polyamide (PA6, PA66), 10 to 15 parts of main flame retardant, 3 to 5 parts of auxiliary flame retardant, 30 to 45 parts of filler intensifier, 0.2 to 0.6 part of antioxidant, 0.2 to 0.8 part of lubricant and 0.3 to 0.6 part of nucleating agent. In the method, the polyamide is added into the material to improve the defect of poor flowability of the poly(nonamethyleneterephthalamide), so the manufacture temperature and difficulty can be greatly reduced; because of high price of the PA9T, nylon is introduced to greatly reduce the production cost, realize profit optimization; and by selecting different types of glass fibers as the filler intensifier, the comprehensive performance of the material is greatly improved. The PA9T intensified modified material has simple preparation process, low cost, high profit and excellent economical benefit.

The invention relates to a PVC (polyvinyl chloride) paste resin and a preparation method thereof. The preparation method is characterized by comprising steps as follows: (1), deionized water, a buffering agent and an activating agent are added to a seed emulsion polymerization kettle, vacuum pumping is performed, and an oxidizing agent and a reducing agent are added for aging; vinyl chloride monomers are added after aging for polymerization reaction, and the reducing agent and emulsifiers are added; (2), fatty alcohol is added after the polymerization reaction, and seeds are obtained; (3), the seeds after dilution are added to a micro-suspension polymerization kettle with the deionized water, an initiator A, an initiator B, the vinyl chloride monomers, an emulsifier A and an emulsifier B; a finished PVC paste resin product is obtained through spray drying after reaction. According to the PVC paste resin and the preparation method thereof, the advantages of two production methods including a seed emulsion method and a micro-suspension method are combined, and the PVC paste resin is in two-peak distribution, has the characteristic of good foaminess of a seed emulsion product and has the characteristics of good liquidity and low paste viscosity of the micro-suspension method.

The invention discloses a fly ash based geopolymer grouting material including, by weight, 20-40 parts of an alkali activator, 30-50 parts of fly ash, 0-10 parts of metakaolin, 0-10 parts of cement, 60-90 parts of an aggregate, 0.05-0.1 parts of a retarder, 0.03-0.05 parts of a defoamer, 0.01-0.03 parts of a water-retention thickener, and 10-30 parts of water. The invention also provides a preparation method for the geopolymer grouting material. The preparation method is simple. The geopolymer grouting material has excellent flowability and workability, is micro-expansive, has high early-stage and later-stage strength, is free of water bleeding, is easy to construct and has good durability, can replace a conventional cement-based grouting material for fixing of foundation bolts and secondary grouting of equipment base or steel-structure column base floor, and effectively solves the problems of low flowability, short setting time, poor workability, low later-stage strength, high cost and shrinkage and cracking during usage of the grouting material. In the invention, industrial waste resources, such as the fly ash, are reasonably and effectively utilized to achieve environment protection and energy saving.

The invention discloses a preparation method and application for an amphoteric polycarboxylate water reducer containing anions and cations. The method is designed through a high-molecular structure, and the quaternary-ammonium-salt type carboxylate water reducer terminated with a cation is synthesized by performing modification on allyl polyethenoxy ether. According to the synthesized water reducer, anionic charges and cationic charges are both introduced into the molecular structure of the water reducer, when the water reducer is added into cement slurry, anionic charges at the main chain are adsorbed on the surface of cement particles with positive charges, and the anionic charges at the terminals of side chains are adsorbed on the surface of cement particles with negative charges, so that cement particles are dispersed. Cations are capable of inhibiting expansion of soil, so that adsorption of soil to additives is reduced. Because of the unique amphoteric structure of the water reducer, the water reducer possesses unique dispersing capability, high water reducing rate, good slump maintenance property and excellent performances. Also, the invention provides the amphoteric polycarboxylate water reducer prepared by employing the method, and application of the water reducer to concrete.

The invention relates to a soldering flux for Sn-Ag-Cu alloy solder powder, which is characterized by comprising the following compositions in proportion by weight: 25 to 40 percent of organic solvent, 5 to 10 percent of activating agent, 30 to 55 percent of rosin, 5 to 10 percent of thixotropic agent, and 5 to 10 percent of plasticizing agent. The invention also provides a preparation method for the soldering flux. In the invention, the plasticizing agent strengthens the liquidity of residues, so that soldering paste prepared from the soldering flux and the Sn-Ag-Cu alloy solder powder has few residues after welding and can be well spread around welding spots; the residues are transparent so as to ensure good brightness of the welding spots; the corrosion of the residues to the welding spots and components and parts is greatly reduced at the same time; and the proper amount of thixotropic agent makes the soldering paste prepared from the soldering flux and the Sn-Ag-Cu alloy solder powder have high stability and good thixotropic property, and the soldering paste has good sagging resistance in printing and welding, and reduces solder balls generated around the welding spots in reflow soldering.

The invention relates to a method for transmitting one or more client signals via a packet transport network. According to the method, packets of the one or more client signals are received at an ingress node of the network. Timing information characterizing the timing of the received packets is determined and the received packets are mapped into a container. The container and the timing information are transmitted via the network. At an egress node of the network, the packets are extracted from the container and the packets are timed for further transmission based on the transmitted timing information.

The invention relates to an indigenous microorganism flooding method by injecting sewage for improving oil recovery. The well is selected, where the number of microorganism is not lower than 10-103 /mL; the methanogenic rate and the sulfate reduction rate satisfy demands of the lowest value of 0.2-3 mu gCH4/L .D and the highest value of 15-20 mugCH4/L .D; the temperature of sewage jetting oil reservoir with sulfate reduction bacteria, whose highest value is 103 /mL, is less than 30-75DEG C; water salinity in oil reservoir is less than 50000mg/L; the content of hydrogen sulfide in water of oil reservoir is less than 50mg/L in returned water of injecting water well and generated fluid in oil well. The concentration of nitrogen and phosphor in mixed air jetted in the injecting water well in period is 0.45-1. 40% nutrient solution. The concentration of dissolved oxygen added in sewage can achieve 2. 5-3. 5mg/L by fall oxygen method. Fermented fountainhead bacteria and the medium are supplied and the cell gross is improved. The carbon source is the crude oil under the ground or collected on the earth. Various microorganisms into oil reservoir by water injecting for a long time and applying the circumstance of oil reservoir are made use of to avoid the adaptable problem of microorganism and oil reservoir. The practical result shows it is the flooding technology, which can improve oil recovery and is provided with economy, effectivity and simple operation.

The invention relates to a multi-component concentrated dish cleanser, comprising the following ingredients according to weight percentage: 2-40% of fatty alcohol ether sulfosuccinate monoester disodium with 30% of active matter, 1-8% of sodium alcohol ether sulphate with 30% of active matter, 2-60% of cocamide propyl group betaine with 30% of active matter, 1-30% of cocamide propyl group ammonia with 30% of active matter, 5-50% of alkyl glucoside with 50% of active matter, 0.1-0.5% of citric acid, 0.1-0.3% of ethylene diamine tetraacetic acid salt, 0-3% of isatis root extraction, 0.05-0.1% of preservative, 0.1-0.5% of perfume and 100% of deionized water. The cleanser uses cooling producing process with safe and mild surface active agent with easy biological degradation, which is free from heating to dissolve the surface active agent. The cleanser protects the environment with stable performance, and is safe and convenient to use. The cleanser solves the problem of remains of the surface active agent on the dish for security to the human health.

The invention provides a polyphenyl ether compound of LED display unit, which contains 25-60 accounts of polyphenyl ether, 23-35 accounts of polystyrene resin, 3-6 accounts of styrene-butadiene copolymer or relative maleic anhydride grafts, 5-10 accounts of phosphorus-containing organic fire retardant, 10-25 accounts of inorganic oxide, 0.1-0.3 accounts of lubricant and 0.2-0.4 accounts of anti-oxidant. The product is characterized in high light reflectance, high temperature deformation resistance, good ink adhesion, good light resistance, and halogen-free flame retardant, which can be used to produce electric appliance elements as LED display unit.

The present invention provides an epoxy resin composition including: an epoxy resin monomer represented by the following Formula (I); a hardening agent containing a novolak resin obtained from a divalent phenol compound; and an alumina filler containing-alumina. In the Formula (I), R1 to R4 each independently represent a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms.

The present invention provides an aromatic polycarbonate resin composition including a resin component containing (A) 50 to 95% by mass of an aromatic polycarbonate resin and (B) 50 to 5% by mass of a polyester resin derived from natural sources and/or a polylactic acid obtained from synthetic lactic acid, and (C) 0.1 to 30 parts by mass of carbon nanotubes compounded in 100 parts by mass of the resin component, the aromatic polycarbonate resin composition being able to afford a molded object free from layer delamination and excellent in electrical conductivity (antistatic property), solvent resistance, flame retardancy, impact resistance, molding appearance, etc. and having good flowability.

The invention relates to a mold heating and cooling rod which comprises a heating and cooling rod body and a heating element, a cooling thermal insulation hole for introducing a cooling medium when a mold needs to be cooled and discharging the cooling medium when the mold needs to be heated and a heating element accommodating hole are arranged in the heating and cooling rod body along the axial direction, and the heating element is mounted in the heating element accommodating hole; the mold capable of realizing rapid cooling and rapid heating comprises a mold core and the heating and cooling rod, and the heating and cooling rod is in contact with the mold core; and one side of the heating and cooling rod which is provided with the heating element is near to a molding surface of the mold core. The advantages are that, as the molding surface can be rapidly and evenly heated and cooled and rapidly heated to the temperature which is near to or equal to that of melting materials, a molded product has the advantages of good quality, difficult production of weld marks, flow marks, surface bubbles and the like, even color and luster, even density of the product, small shrinkage and ability of reducing the injection pressure and the product deformation caused by residual stress after consolidating and molding the molten materials.

The invention discloses a mudstone environmental protection regeneration system. The mudstone environmental protection regeneration system comprises a feeding mechanism; the feeding mechanism comprises a stock bin, a vibrating feeding machine, a crushing mechanism which comprises a jaw type rough crushing machine and a hammer type fine crushing machine, a sand and gravel separating mechanism, a gravel fine separating mechanism and a mud and sand water passing mechanism; the sand and gravel separating mechanism comprises a rough separating vibrating screen; the rough separating vibrating screen comprises a gravel layer and a mud and sand layer; the gravel fine separating mechanism comprises a fine separating vibrating screen; the fine separating vibrating screen comprises a multi-layer finished product layer and a fine sand layer; the mud and sand water passing mechanism comprises a spiral conveyer; other devices except the spiral conveyer is provided with a spraying water pipe respectively. The mudstone environmental protection regeneration system can crush and clean gravel residues containing soil to enable the gravel residues to be recycled and has huge economic benefits and a remarkable environmental friendly effect.

The invention specifically relates to a metal coating layer alloy comprising Zn and Al. The coating layer alloy is characterized by further comprising elements of Mg, Si and RE, wherein the coating layer alloy comprises the following components in percentages by weight: 1.00-7.00% of Al, 0.05-1.50% of Mg, 0.05-0.30% of Si, 0.05-0.50% of RE and the balance of Zn. By using the steel plate coating layer prepared by the invention, the corrosion resistance is improved by more than 20 times compared with a single zinc coating layer.

The invention belongs to metal casting device. The magnesium alloy cast is complex, and the performance is bad. The invention is a magnesium alloy casting device which fills shape in vacuum state and solidifies them in various pressure state. It can realize the optimized casting process condition, it can be applied to produce each kind of large, complex, thin magnesium alloy casting piece with precise size and high thickness.

The invention discloses a bubble mixing light earth and the making method, the weight percentage of its components; cement 12-55%, arenaceous earth 0-66%, mixed water 21-40% and bubble 1-5%; making mixing and stirring ont he above three components and the pre-made bubble to get it.

The invention discloses a system for purifying eutrophic water employing artificial flow aeration coupled to a biological film floating bed. The system comprises biofilm colonization, a floating bed, and artificial flow aeration, wherein a biofilm colonization carrier is a soft fiber filler, and is combined with the floating bed to form a biological film floating bed unit; the artificial flow aeration is that a plurality of push flow aerators arranged below the biological film floating bed unit are started towards the same direction to form circulating flow water, and supply oxygen to the water. The system adopts a plurality of biological film floating bed units, which are fixed by an anchor stake, connected by a connecting rod, and arranged in an oval shape; a guide wall is arranged in the middle; the push flow aerators are arranged below the floating bed. Compared with the common biological film floating bed, the artificial flow aeration is increased, the water mobility is enhanced, an independent aeration system does not need to be arranged, the removal efficiency of pollutants are high, the water eutrophication degree can be effectively relieved, and the operation mode can be regulated and controlled according to the dynamic change of water temperature and water quality, and the system is more stable, efficient and energy-saving in operation.