274results about How to "Avoid disintegration" patented technology

The present invention provides such a production process that a low-cost water-absorbent resin having excellent quality can be obtained by reasonable steps in aqueous solution polymerization. The production process for a water-absorbent resin comprises a polymerization setup that includes the steps of: supplying an aqueous solution of a water-soluble unsaturated monomer component including a major proportion of acrylic acid and / or its salt into a polymerization vessel causing shearing action; and then carrying out polymerization, involving crosslinking, of the water-soluble unsaturated monomer and at the same time carrying out fine division of the resultant hydrogel; with the production process being characterized in that the aqueous solution of the water-soluble unsaturated monomer component as supplied into the polymerization vessel has a temperature of not lower than 40° C.

A metallic silicon-containing composite in which metallic silicon nuclei are coated with an inert material which does not contribute to adsorption and desorption of lithium ions is a useful negative electrode material for lithium ion secondary batteries. Using the composite as a negative electrode active material, a lithium ion secondary battery having a high capacity and excellent cycle performance can be fabricated.

The invention relates to a flame-retardant flexible facing tile and a preparation method thereof. The flame-retardant flexible facing tile is characterized by comprising the following raw materials in percentage by mass in terms of the total quantity of the raw materials: 40.0-46.0% of aggregates, 10.0-40.0% of inorganic cementing material, 10.0-30.0% of flexible modifier, 1.0-5.5% of functional additive, 0-1.0% of fiber, and 0-10.0% of water. The flame-retardant flexible facing tile is obtained by carrying out mixing stirring, molding and drying on the raw materials. According to the flame-retardant flexible facing tile prepared according to the invention, with the inorganic cementing material as a bonding material and high-molecular polymer as the flexible modifier, the flame-retardant flexible facing tile not only has the advantages of high toughness, good air permeability, strong hydrophobicity, good matching degree with various substrates, rich patterns and colors and the like, but also has very good flame retardancy and good durability capable of keeping the integral structure for a long time.

A high velocity munition comprises a projectile, mounted on a cartridge case, that can be fired from an automatic cannon or weapon. During storage or transport an IM venting device included in the cartridge case prevents the propellant charge from firing the projectile, leaving the cartridge damaged, but intact upon premature ignition. The IM vent exhaust channel is filled with a solid fusible material that melts at a lower temperature than the ignition temperatures of the igniter (or primer) and the propellant charge of the projectile. At least one non-fusible, ruptureable member is included in the IM vent channel and positioned to provide structural integrity to the fusible material in the channel. Alternatively or in addition to the fusible material, a shape memory alloy ring surrounds the igniter (or primer) and separates from the cartridge when the cartridge reaches a temperature that causes auto-ignition.

The invention discloses an assessment method for a loadable index of an oil immersed power transformer. According to the method, the load capacity of the oil immersed power transformer in the future time period is discussed in three aspects of temperature limit restraint, failure rate restraint and economic gain and loss restraint; in the aspect of temperature limit restraint, the maximum load rate meeting the requirement of the safe operation time is assessed with the adoption of a predicted load rate and an environmental temperature, the defect that a conventional scheduling and operating regulation can only give a suggestion interval of the load rate of an overload is overcome, and the problem of an obscure strategy at the border is solved; in the aspect of failure rate restraint, the load amplitude of a device is restrained from the aspect that a failure rate happens to a slave device, and while the load rate is increased, the fault stoppage and the power grid disintegration which are caused by slave device levels are prevented; and in the aspect of economic gain and loss restraint, on the basis that only electric charge gains and impedance loss cost are considered in a traditional method, the checking of a life loss cost is added, so that gain and loss computing is more suitable for the process of overload operation.

An ionic liquid may be used to inhibit the swelling and / or disintegration of clay in a subterranean formation. A subterranean clay-containing formation may be treated with the ionic liquid by contacting the formation with a well treatment composition containing the ionic liquid dispersed or dissolved in a carrier fluid. Damage to the formation caused by contact with the well treating composition is reduced or substantially eliminated.

A method for the manufacture of carrageenans from bi-component seaweed material, wherein the seaweed is subjected to 1) a heterogeneous reaction step in an aqueous alkaline medium having specific values of alkali concentration, temperature and salt concentration; 2) separation of the solid material from the liquid phase; 3) fractionation of the lambda-family carrageenans from the solid material obtained in 2) by treatment with an aqueous medium; and 4) optionally further purification steps, provides for efficient production and separation of kappa-family carrageenans and lambda-family carrageenans respectively.

The invention discloses an environmentally responsive tumor targeted combined administration transfer system.Adriamycin amycin and carboxymethyl chitosan are connected through a disulfide bond, and therefore an adriamycin amycin macromolecular prodrug is synthesized.The other chemotherapy drug is ingeniously encapsulated in the adriamycin amycin macromolecular prodrug, and therefore the combined administration nano transfer system is prepared.The system has good systemic circulation stability and intelligent drug release performance, few drug ingredients are released in simulated blood, the release quantity of the drug ingredients in a cancer cell environment is very large, and meanwhile high applicability is achieved.

The invention provides an amino acid block copolymer with a formula I or a formula II structure and preparation method of the amino acid block copolymer with the formula I or the formula II structure. The invention further provides a compound comprising the amino acid block copolymer and aqueous medium. Poly, namely, ethylene glycol in the copolymer, is hydrophilic block, and can protect stability of nano particles in blood circulation; phenylalanine provides high pi-pi stacking effect and hydrophobic effect to stabilize assembling of the nano particles and to prevent the nano particles from disassembling in blood circulation; and glumatic acid unit provides effective drug carrying groups. The amino acid block copolymer is simple to prepare, good in biocompatibility, good in stability, easy to compound with a plurality of bioactive ingredients to achieve efficient drug carrying, and capable of controlled releasing the active pharmaceutical ingredients. The compound nano particles have wide application prospect in the bio-medical field, and particularly in the oncotherapy field.

The invention discloses a fiber / ceramic / metal composite material bulletproof plate and a manufacturing method of the fiber / ceramic / metal composite material bulletproof plate. The fiber / ceramic / metal composite material bulletproof plate is characterized in that the bulletproof plate comprises at least one metal lateral restraint resin composite plate, and a fiber layer, a ceramic layer and the metal lateral restraint resin composite plate form a sandwich structure. The manufacturing method includes the steps of manufacturing a titanium alloy frame through laser welding, manufacturing an ultra-high molecular weight polyethylene plate according to the size of a titanium alloy cavity, fixing the ultra-high molecular weight polyethylene plate into the cavity of the titanium alloy frame through adhesives, connecting a carbon fiber layer with the ceramic layer through adhesives, and connecting the ceramic layer with the metal lateral restraint resin composite plate through a ceramic surface metallization method. The bulletproof plate is high in rigidity, good in tenacity and good in tear resistance, the problems that the phenomenon that the layers are separated due to vibration happening when the bulletproof plate is impacted occurs, and the metal can not play a good role in resisting bullets when directly serving as a bullet bearing face are solved, and the bulletproof performance of the bulletproof plate is improved. The fiber / ceramic / metal composite material bulletproof plate can be widely applied to armored cars and aircrafts which need to be protected.

An ionic liquid may be used to inhibit the swelling and / or disintegration of clay in a subterranean formation. A subterranean clay-containing formation may be treated with the ionic liquid by contacting the formation with a well treatment composition containing the ionic liquid dispersed or dissolved in a carrier fluid. Damage to the formation caused by contact with the well treating composition is reduced or substantially eliminated.

The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M1H(n-1)) which is chemically bonded to the functional groups formed on the scaffold material, SM-transition metal halide complex and SM-transition metal ligand complex as the precursors, and a process for preparing the same. The SM-transition metal hydride complex according to the present invention is a substance for hydrogen storage which adsorbs hydrogen via Kubas adsorption. The complex according to the invention can store high capacity of hydrogen with safety and reversibility, while disintegration of its structure does not occur even with repeated adsorption-desorption of hydrogen.

A connecting structure and method for affixing an open end of a tube composed from thermoplastic resin material(s) to a tube connecting portion of a quick connector having a cylindrical geometry and at least one annular stopper on the cylindrical outer circumference thereof with said tube connecting portion being adapted to be press fitted into said open end of said resin tube. The connecting structure comprises; an annular band composed of elastomeric rubber which surrounds the open end of said resin tube adjacent the location of attachment to said quick connector having a length at least equal to the diameter of the cylindrical outer circumference of the quick connector and a diameter such that a tightening force is applied to the resin tube upon press fitting said tube connecting portion into the open end of said resin tube to prevent disengagement therefrom. The connecting structure forms an integrated assembly with the tube connecting portion of the quick connector.

The disclosure relates to a sandwich arrangement having at least two peripheral disposed ceramic panels and a ceramic felt which is inserted between a first and second ceramic panel, The material of the first ceramic panel is equal or different to the material of the second panel, wherein the ceramic felt is formed by a textile structure with a regularly or quasi-regularly structured woven fibres. The fibres are made of at least one material and / or composition, wherein at least one adhesive is provided between an underside of the panels and adjacent fibres.

The invention relates to a switching device for an intensive wavelength division multiplexing system, in particular to an automatic optical fiber switching device used in an intensive wavelength division multiplexing system. According to the structural key point, the automatic optical fiber switching device comprises a spare optical fiber, a first optical branching device, a first optical power monitoring module, an automatic protection module for an optical path and a first optical switch module, wherein the first optical branching device and the first optical switch module are connected in a main optical fiber line in series in sequence; the optical signal output end of the first optical branching device is connected with the automatic protection module for an optical path by the first optical power monitoring module; and the spare optical fiber is connected to the switching end of the first optical switch module. The switching device has the advantages that the optical path is quickly switched, stable and safe communication is guaranteed, the potential safety hazard of node failure can be eliminated, the self-healing system of a loop network can be prevented from collapsing, a smooth traffic channel is ensured, influence on users can be reduced, and data guarantee is provided for electric power safety production.

The present invention relates to a shock-absorbing apparatus, comprising: a plurality of support frames having reinforcing members arranged between a first horizontal beam and a second horizontal beam; a rear support having a vertical beam; a guard rail connection device including guard rails arranged at both sides of each of the support frames, and fixing members for coupling the guard rails to the support frames such that the guard rails are movable; and a shock-absorbing tank including a front tank installed at the front surface of each of the support frames and a plurality of cushion tanks installed among the support frames. The support frames and the rear support are connected by a wire rope so as to guide the linear motion of each of the support frames.; The thus-configured shock-absorbing apparatus has a wire clip for connecting the wire rope to the support frames, to thereby prevent the support frames from becoming separated or disassembled into individual frames.

The present invention provides cyclobutyl substituted pyrrolopyrimidines and pyrrolopyridines of Formula I: wherein X, Y, Z, L, A, R5, n and m are defined above, as well as their compositions and methods of use, that modulate the activity of Janus kinases (JAKs) and are useful in the treatment of diseases related to the activity of JAKs including, for example, inflammatory disorders, autoimmune disorders, cancer, and other diseases.

A temporary stent endoprosthesis that does not require an interventional procedure for removal. The disintegrating stent is preferably made from a bioabsorbable polymer, such as by braiding polymer monofilaments into a tubular mesh shape, and the polymer has fracture initiation sites within it that promotes the disintegration of the stent into small pieces that are harmlessly transported out of the body by the vessel contents. Fracture initiation sites may be created by controlling the heterogenous structure of amorphous and crystalline regions, by introducing internal or surface fracture initiation sites, or use of multiple strands with small section size.

The invention provides a combined sludge deep dehydration system and deep dehydration technique. The dehydration system comprises a sludge feed unit, a sludge conditioning modification unit and a pressure filtration dehydration unit, wherein the sludge feed unit comprises a sludge dilution homogenization tank and a sludge mixing delivery assembly; the sludge dilution homogenization tank is connected with the sludge conditioning modification unit through the sludge mixing delivery assembly; and the sludge conditioning modification unit is connected with the pressure filtration dehydration unit. The deep dehydration technique comprises the following steps: (1) treating sludge by the sludge feed unit to obtain the sludge of which the water content is within a certain range; (2) sending the sludge obtained in the step (1) to the sludge conditioning modification unit, and adding a conditioner to perform conditioning; and (3) sending the sludge obtained in the step (2) to the pressure filtration dehydration unit to perform treatment. By optimizing the design, the whole technique has high adaptability, and can flexibly regulate the operation group number and time of the system according to the actual sludge feed quantity and water content condition, thereby ensuring the stable operation of the system.

The invention discloses a triaxial-test sample preparation device. The triaxial-test sample preparation device comprises a buckling die and a removing die. The triaxial-test sample preparation device is characterized in that the section of a left petal die is of a semicircular structure; the upper end surface and the lower end surface of the left petal die are respectively provided with a necking petal die; the outer diameter of the necking petal die is smaller than that of the left petal die; a linear type flange is arranged on one edge of the butting plane of the left petal die along the axial direction, and a linear type groove is formed in the other edge of the butting plane of the left petal die. The structure of a right petal die is the same as that of the left petal die, and the right petal die and the left petal die are connected in a fastening manner. Tight hoop sleeves are arranged on upper-end necking petal dies of the left petal die and the right petal die; backing rings are arranged on the upper end surfaces of the left petal die and the right petal die, and the lower end of a top cover is inserted into central holes of the backing rings. A lower fastening component and an upper fastening component are completely same in structure and are symmetrically arranged at the lower ends of the left petal die and the right petal die. A step hole is formed in the demolding drum, and the outer diameter of a cushion block is the same as the minimum diameter of the step hole and the inner diameter of the left petal die. The triaxial-test sample preparation device disclosed by the invention has the advantage that the same pressure on the two ends of a soil sample and on the whole sample is realized so as to meet the requirement of density uniformity of the whole sample.

A cylindrical magnetic pole portion of a rotor core is constituted by first and second cylindrical magnetic pole sub-portions prepared as solid bodies. First and second magnetic poles are formed on the first and second cylindrical magnetic pole portions so as to be arranged in a circumferential direction so as to be separated from each other on an inner peripheral side by first and second recessed grooves recessed into an inner peripheral surface, and linked to each other on an outer peripheral side by first and second thin layer portions constituted by floor portions of the first and second recessed grooves.

The invention relates to a distribution box, which includes a box body, a box cover, and a fastening mechanism for movably connecting the box body and the box cover. The raw material components of the box body and the box cover are as follows, all in parts by weight: polyethylene resin 40-60 20-30 parts of phenolic resin, 2-10 parts of elastomer, 0.1-15 parts of graphene, 3-7 parts of silicon carbide, 1-10 parts of silane coupling agent, 12-15 parts of semi-reinforced furnace black, calcined 10-12 parts of pottery clay, 6-12 parts of surface-treated Kevlar chopped fibers, 5-7 parts of nanomolybdenum disulfide (MoS2), 0.5-3 parts of aluminum oxide, 3 parts of polydimethylsiloxane ‑5 parts, 0.5‑2.5 parts of flame retardant, 1‑3 parts of dispersant. In the preparation process of the distribution box body and the box cover of the present invention, the raw materials and the proportions, together with the processing technology, make the distribution box box and the box cover of the present invention have excellent flexibility, mechanical properties and corrosion resistance, and at the same time It has good thermal conductivity, improves the performance of the distribution box as a whole, is not easy to age, has sufficient rigidity, and has a long service life, reducing maintenance costs.

A negative electrode active material for a lithium-ion secondary cell, comprising: (A) a flaked graphitic carbon material in which the IG / ID(G value) is 5.2-100 and the aspect ratio and the area of the optical structure satisfy the relationships 1.5<=AOP<=6 and 0.2*D50<=(SOP*AOP)1 / 2<2*D50 for a 50% diameter D50[mu]m; a composite material (B) obtained by dispersing silicon-containing particles (b2) having an oxygen content of 1-18% by mass and a surface layer comprising SiOx (0<x<=2) in an assembly of carbon nanotubes (b1) having an aspect ratio of 100-1000, at least 90% of the silicon-containing particles (b2) (expressed in terms of quantity) having a primary particle diameter of 200 nm or less; and a carbonaceous carbon material (C) covering at least some of the surface of the silicon-containing particles (b2).

The invention discloses a light conversion film capable of promoting plant growth and a preparation method thereof, wherein the light conversion film comprises garnet fluorescent powder with the formula of Y(3-x)BaxAl(5-x)SixO12: mCe, nCr, 0 <= x <= 1, m > 0 and n > 0, and a polymer resin or glass with refractive index of 1.4-1.65, wherein the garnet fluorescent powder is uniformly dispersed in the polymer resin or glass. The preparation method comprises the following steps: (1) respectively weighing compound raw materials of yttrium, aluminum, barium, silicon, chromium and cerium according tothe stoichiometric ratio of each chemical composition of an expression, mixing, and grinding to a micron scale; 2) calcining the raw material powder in a reducing atmosphere for 4-5 hours to obtain acalcined product; and 3, grinding the calcined product to a micron order to prepare Ce and Cr-containing fluorescent powder with a garnet structure, mixing the fluorescent powder with polymer resin according to a mass ratio of 1:4-1:1, and preparing the light conversion film according to the existing film preparation process. The fluorescent powder has the advantages that the emission intensity of the fluorescent powder in a red light region is greatly enhanced, the plant light supplementing capability is high, the efficiency is high, and plant growth is promoted.

The invention discloses biodegradable peanut protein plastic. The biodegradable peanut protein plastic comprises the following raw materials in parts by weight: 30-35 parts of poly(hydroxybutyate-co-hydroxyvalerate) (PHBV), 55-60 parts of modified poly-beta-hydroxybutyrate (PHB), 15-20 parts of peanut protein powder, 2-2.4 parts of jute fiber, 3-4 parts of silk fiber, 1.1-1.3 parts of a silane coupling agent A-151, 2-3 parts of sodium lactate, 0.5-0.8 part of sodium dehydroacetate, 1.7-2.3 parts of dioctyl terephthalate (DOTP), 2-4 parts of octyl epoxy stearate, 25-28 parts of carbon black N550, 12-16 parts of heavy calcium carbonate, 4-7 parts of kaolin, and 0.7-0.9 part of antioxidant 1076, wherein modified poly-beta-hydroxybutyrate (PHB) is obtained by blending poly-beta-hydroxybutyrate (PHB) with ethylene-propylene rubber for modifying. The biodegradable peanut protein plastic disclosed by the invention can be degraded into low-molecular-weight compounds by virtue of microorganisms and thus the pollution of 'white garbage' can be effectively avoided; the biodegradable peanut protein plastic has the advantages of high degree of flexibility, good impact resistance and oxidation resistance, low water absorption performance and low completely degradation rate and the service life of the biodegradable peanut protein plastic is prolonged.

Anode applicators include consumable anodes, that can be operated in a non-stationary mode and are insensitive to orientation, are used in selective plating / brush electrodeposition of coatings or free-standing components. The flow-through dimensionally-stable, consumable anodes employed are perforated / porous to provide relatively unimpeded electrolyte flow and operate at low enough electrochemical potentials to provide for anodic metal / alloy dissolution avoiding undesired anodic reactions. The consumable anodes include consumable anode material(s) in high surface area to reduce the local anodic current density. During electroplating, sufficient electrolyte is pumped through the consumable anodes at sufficient flow rates to minimize concentration gradient and / or avoid the generation of chlorine and / or oxygen gas and / or undesired reaction such as the anodic oxidation of P-bearing ions in the electrolyte. The active consumable anode material(s) can have a microstructure which is fine-grained and / or amorphous to ensure a uniform anodic dissolution.

The invention belongs to the technical field of automobiles, and particularly relates to a separation identification method of electric drive power assembly system noise source. The method comprisingthe following steps of: step 1, a signal acquisition stage; step 2, a pretreatment stage; step 3, a separation stage; step 4, a merging stage; step 5, an identifying stage. The invention is a separation identification method of electric drive power assembly system noise source, and carrying out the research on separating and identifying the electric drive power assembly noise source through a computer blind source separation identification technology, so that implementing the identification process of the noise source signal at the minimal cost in the unaddressed case, and solving the problemthat the separation identification method of electric drive power assembly system noise source is insufficient in convenience, and meanwhile, applying the part of the psychoacoustic theory, so that the separation identification result is more consistent with the objective practical.

The invention discloses a carbon-series / active-substance compound and a preparation method thereof. The compound comprises: active particles with size of 1-100 nm and one-dimension or two-dimension carbon skeleton which are mutually connected via three-dimension carbon material, and the compound possesses the capability of storing both faraday charges and nonfaraday charges. The addition of multi-dimension carbon allotrope helps to substantially inhibit agglomeration phenomenon of active substances during synthesis and disintegration phenomenon of the active substances during electric charging-discharging, and a multi-dimension conduction network structure after stacking is formed, so that the conductive capability of the material is improved, and further the charging-discharging rate of the material is improved. The invention additionally provides a simple green synthetic method, and thus the carbon-series / active-substance compound possesses batch production potential, and becomes a potential green-energy storage material applicable to lithium ion secondary batteries, super-capacitance lithium-air batteries.

The invention relates to a construction method of high altitude suspension and transposition for the whole crown block, in particular to transposing the crown block which is arranged on the crown block rail by using the workshop spatial structure in the building. The steps adopted are that: (1) one end of the main beam of the suspended crown block (7) is hoisted by using the electric bottle hoist (1) on the line level, a pulley block (2) is arranged at the other end of the roof truss monorail beam (5), and the other end of the suspended crown block (7) is hoisted, the suspended crown block (7) is hoisted in the space between the two roof trusses; (2) the running crown block (11) runs through the beneath of the suspended crown block (7) to the designed position; (3) the suspended crown block (7) is slowly fallen back to the rail surface by using the electric bottle hoist (1) and the pulley block (2), the transposition of the crane is completed. The construction method has the advantages of changing the previous method of demolishing the roof firstly and then hoisting by using the big crane, achieving the goal of saving labor, time and money.