377results about How to "No swelling" patented technology

There are provided aqueous inkjet ink formulations comprising a solvent containing water and optionally a co-solvent, a water soluble or water dispersible polymeric resin and a colorant. The disclosed formulations are suitable for ink jet printing systems, and more particularly for indirect printing systems using an intermediate transfer member.

Disclosed are a powder injection molding feedstock preparing method and a powder injection molding method. The powder injection molding feedstock preparing method includes: stirring and heating 80% to 94%, preferably 85% to 94%, by percent, of forming powder in an internal mixer, adding 6% to 20%, preferably 6% to 15%, by percent, of binder component when the forming powder is heated to 180 DEG C to 200 DEG C, and continuing stirring for 60min to 120min according to the mixing temperature 175 DEG C to 195 DEG C, preferably at the mixer speed 10rpm to 30rpm, thus obtaining evenly mixed feedstock. The powder injection molding method includes performing injection molding and degreasing sintering with the feedstock. The powder injection molding feedstock preparing method and the powder injection molding method have the advantages that degreasing efficiency is high, the process is simple and easy to control, blank quality is good and the methods are sanitary and environment friendly.

The invention provides a high-nickel cathode material, which comprises a base material and a lithium cobaltate layer, wherein the base material is a compound as shown in a formula I; and the lithium cobaltate layer coats the surface of the base material. The high-nickel cathode material provided by the invention comprises the lithium cobaltate layer; the lithium cobaltate layer can interact with the residual lithium on the surface of the base material, so that the alkali content of the surface of the high-nickel cathode material provided by the invention is relatively low; meanwhile, the lithium cobaltate layer can strengthen intercalation / deintercalation of lithium ions in battery charging and discharging processes; side reaction of the cathode material and electrolyte can also be suppressed; and the high-nickel cathode material provided by the invention has relatively high energy density and long cycle life, so that a lithium-ion battery prepared from the high-nickel cathode material has relatively high capacity, cycle performance and heat stability. The invention further provides a preparation method of the high-nickel cathode material and the lithium-ion battery.

The invention discloses an integral multistage internal recycle nitrating-denitrifying biological denitrifying fluid-bed reactor, which comprises the following parts for the open structured case space from downward to upward: fluid reacting zone with anoxic zone, high-density aerobic zone, low-density aerobic zone, three-phased separating zone, wherein the adjacent zones interconnect mutually; the anoxic zone, high-density aerobic zone, low-density aerobic zone of fluid reacting zone is formed by zone baffle on the cylinder body of the reacting zone; each circulating baffle is set each fluid reacting zone to make the interval flow form interval circulation filled with porous polymer macromolecular carrier when operating; three-phased separating zone is composed of separating zone cylinder, upper and lower separating cylinders in the cylinder and water outlet weir between the cylinder and separating cylinder, which discharges the purified water through water outlet weir and the degas into the atmosphere through open.

The invention relates to the technical field of electroplating pretreatment, in particular to a process for carrying out vacuum cleaning, oil removal and wax removal by a modified hydrocarbon cleaner. The process comprises degassing ultrasonic cleaning, vacuum cleaning, vacuum steam flushing, vacuum drying and the like. A plurality of flows are carried out in the vacuum environment with a certain vacuum degree and are matched with a degassing ultrasonic cleaning and vacuum cleaning technology and the modified hydrocarbon cleaner. For the cleaning process, in the whole process, harmful substances of halogen and the like, such as trichloroethylene, methylene chloride, tetrachloroethylene and the like, cannot be used and additional drying equipment is not required. Particularly, the process has excellent cleaning effect on irregular articles with blind holes, joints, gaps, cracks and the like. Meanwhile, the defects of oil removal and wax removal of the conventional process are overcome.

The invention relates to the technical field of powder metallurgy and particularly relates to a ceramic part and a production method thereof. The production method comprises (1) mixing granulation: putting ceramic powder into a mixer, heating the ceramic powder, adding a binder into the ceramic powder, carrying out mixing, and carrying out granulation through an extruder to obtain feed, (2) injection molding: placing the feed in an injection molding machine and carrying out injection molding to obtain an injected blank, (3) degreasing: placing the injected blank into an air furnace, carrying out hot degreasing, carrying out heating pre-sintering, carrying out furnace cooling and taking out a blank, and (4) sintering: putting the blank in a sintering furnace, carrying out sintering, and carrying out grinding and polishing to obtain a ceramic part. Through powder injection molding process and final degreasing and high temperature sintering, a fine ceramic part having a complex shape is obtained, the product has high compactness and good uniformity and is obtained by one step molding, the operation and control are simple, product quality is stable, production efficiency is high, a production cost is low and large-scale industrial production is realized.

The invention discloses a special compound premix for Micropterus salmoides, belonging to the field of aquatic product feed and comprising compound vitamin, a complex mineral element, a yeast extract, chromium picolinate premix, bile acid premix and defatted rice bran. The invention can meet the nutrition requirements for healthy and rapid growth of the Micropterus salmoides. Compared with a control group, the use of the compound feed of the Micropterus salmoides can be prolonged to the adult fish period; the rate of body weight gain of the Micropterus salmoides is increased by 10-20 percent, and the bait coefficient is reduced by 10-15 percent; the liver has bright red color and is not swelling; the fat content is obviously reduced; the fish morbidity is obviously reduced; and the oxygen deficit resistance and the transport resistance are obviously increased. The special compound premix does not contain any antibiotic or forbidden drug and meets the national feed safety regulation. The raw material is easy to purchase and the production and the quality are easy to control.

The invention discloses a preparation method of an environment-friendly polypropylene filament yarn oil agent, comprising the following steps of: weighing 40 to 60 parts by weight of fatty alcohol ether phosphate potassium salt, 2 to 8 parts by weight of polysiloxane polyether copolymer, 3 to 12 parts by weight of pentaerythritol oleate, 4 to 10 parts by weight of fatty alcohol polyoxyethylene ether, 2 to 12 parts by weight of ethylene oxide-epoxypropane block polyether, 20 to 45 parts by weight of polyethylene glycol laurate, 10 to 20 parts by weight of butter alcohol amine phosphate salt and 5 to 10 parts by weight of high-carbon heterogeneous alcohol phosphate potassium salt, heating to 40 to 80 DEG C, reacting under the stirring condition, then adding 20 to 40 parts of emulsifying agent EL-40, 1 to 5 parts of methyl-1-hydroxyethyl-2-stearyl imidazoline ammonium methosulfate, 5 to 15 parts of dimethyl silicon oil, 2 to 40 parts of deionized water and 0.001 to 0.02 part of preservative, reacting under the stirring condition at 50 to 70 DEG C, and separating to obtain the environment-friendly polypropylene filament yarn oil agent.

The invention discloses a sewage treatment process and a special-purpose one-piece sewage treatment plant. The process comprises the following steps: 1) arrangement of a water inlet system: sewage input from an inlet pipe and pretreated by thick and fine gratings and a vortex-type grit chamber is sent into a biological reaction system; 2) arrangement of the biological reaction system: the biological reaction system is divided into an anoxic area, an anaerobic area, an aerobic area and a sedimentation area, and activated sludge in each area utilizes katabolism of microbes to converse organic matters into inorganic matters to realize nitrogen and phosphorus removal; 3) arrangement of the sedimentation basin: sludge and water in the treated sewage can be separated, so that the water outlet is clarified; and 4) arrangement of a disinfection tank: the treated water from the step 3) is disinfected to kill pathogenic organisms and then discharged through an outlet pipe. The invention also discloses a one-piece sewage treatment plant. The invention has the advantages of small land occupation, small investment, compact mechanism, low loss of a water head, low investment for the engineering project, optimized, stable and mature technology, good nitrogen and phosphorus removal effect and good organic pollutant removal effect.

The invention discloses a wastewater treatment technology for the textile dyeing and finishing industry. The technological process is as follows: leading wastewater to enter into a regulating tank for pre-aeration regulation treatment, then using a water pump for lifting to a coagulative precipitation tank for coagulative precipitation, then leading the wastewater to enter into an anaerobic / anoxic hydrolysis tank, transforming organic matters which are difficult to degrade to the organic matters which are easy to bio-degrade under the common action of anaerobic and anoxic microorganisms, further leading the wastewater to enter into a sludge-film symbiotic system which comprises both suspended activated sludge and biofilm sludge, and has the advantages of large biomass, abundant biological phases and high removal efficiency, and finally carrying out secondary settling, thereby leading the outlet water CODcr to be 30-60mg / L. Compared with other advanced treatment technologies, the technology has the advantages of strong operability, low operation cost, stable operation and the like.

The invention relates to a high-temperature-resistant organic-solvent-resistant separating membrane material, a separating membrane, and a preparation method thereof, and belongs to the field of highmolecular material. The high-temperature-resistant organic-solvent-resistant separating membrane material is composed of, by weight, 20 to 40 parts of a high-temperature-resistant aromatic ring matrixcontaining resin, 20 to 40 parts of a carboxyl-containing polymer, 0 to 60 parts of a matrix reinforcing material, 0.1 to 10 parts of a water soluble pore forming agent, and 100 to 300 parts of a solvent. The high-temperature-resistant organic-solvent-resistant separating membrane prepared from the high-temperature-resistant organic-solvent-resistant separating membrane material possesses excellent corrosion resistance, heat resistance, mechanical properties, pollution resistance, and high separating efficiency, is a high performance separating membrane, and is promising in application prospect.

The invention relates to a building material and a method for preparing the same, in particular to a glass fiber reinforced cement board and a method for preparing the same. The glass fiber reinforced cement board comprises the following components in weight portion: 100 portions of Portland cement, 13.6 to 15 portions of high alumina cement, 3.1 to 3.4 portions of fly ash, 5.7 to 6.3 percent of plaster stone powder, 120 to 132 portions of ceramsite, 6.5 to 7.1 percent of foaming agent, 74.5 to 81.3 percent of dispersing agent, 53 to 58.7 portions of pure water and 3.6 to 4 portions of plastic-coated glass fiber grid cloth. The preparation method sequentially comprises the following steps: mixing weighed-up solid materials, adding weighed-up liquid materials in the previous step, cavity forming, roll extruding, vibration, cutting and curing. The invention has the advantages that: the glass fiber reinforced cement board has advantages of light volume weight, high strength, low dry shrinkage wet swelling coefficient, no after expansion and shrinkage, corrosion resistance, sound insulation, heat insulation, fire resistance and non-combustion; the preparation method has the characteristics of scientific and reasonable method, continuous production, high efficiency and low cost, flat board surface, convenient in-site mounting and the like; the glass fiber reinforced cement board is good in water resistance, and particularly applied to the finishing of internal and external walls and ceilings of various buildings in wet environments; moreover, the glass fiber reinforced cement board and a method for preparing the same have the advantages of ensuring the strength and service life of cement due to the adoption of the plastic-coated anti-alkali glass fiber grid cloth, along with reasonable blending ratio and reduced alkalinity.

A detergent for print ink is a mixture of solutions A and B. Said solution A is prepared from emtrol and ester. Said solution B is composed of organic acid and water. Its advantages include high detergency to ink roller and rubber, not combustible and no environment pollution.

The invention relates to the technical field of industrial wastewater treatment and provides a device and a process for biochemically denitrifying high-ammonia nitrogen tanning wastewater. The device and the process can effectively and synchronously remove chemical oxygen demand (COD), ammonia nitrogen and total nitrogen from the tanning wastewater. The device mainly comprises a materializing pre-treatment unit, a biochemical pre-treatment unit, an adjusting water pool, a multi-grade anaerobic / aerobic treatment unit and a sludge and water separating unit. The treatment process mainly relates to a tanning wastewater treatment process in which anaerobic biological treatment and aerobic biological treatment are mutually alternated and in multistage series operation.

The invention relates to a preparation method for a small-particle single-crystal nickel cobalt lithium aluminate positive electrode material. A spherical nickel cobalt aluminum precursor is prepared by using a liquid phase method, and the precursor is pre-baked with a lithium salt; a certain amount of a dispersing agent is added to be grinded before a baking process for the second time, and then the product is uniformly mixed with a certain amount of a special fluxing agent to be subjected to a high temperature baking; next, the fluxing agent is washed off, and the third time of baking is performed; and the product obtained after baking is the small-particle single-crystal nickel cobalt lithium aluminate. The small-particle single-crystal nickel cobalt lithium aluminate material has the characteristics of high capacity and high compaction density; the thermal decomposition temperature and the cycle life of the material at high temperature and high voltage are greatly improved; the flexibly-packaged cells prepared from the small-particle single-crystal nickel cobalt lithium aluminate positive electrode material basically have no bulging phenomenon; and in addition, the preparation method is simple in technology and can be used in large-scale industrial production.

The invention discloses a pre-oxidation furnace, which comprises a furnace frame on which a furnace body is fixed; the inside of the furnace body is fixed with horizontally arranged clapboards which divide a furnace retort in the furnace body into a plurality of layers of mutually independent furnace chambers; a front end face and a rear end face which are opposite on each layer of furnace chamberare respectively provided with a yarn inlet and a yarn outlet; opposite side walls of each layer of the furnace chamber are provided with an air inlet and an air outlet; the pre-oxidation furnace comprises a fan; and an air outlet of the fan is communicated with the air inlet of each layer of the furnace chamber through an air intake system, while an air inlet is communicated with the air outletof each layer of the furnace chamber through an air outlet system. The pre-oxidation furnace has simple structure, and solves the problems of the prior pre-oxidation equipment in aspects of temperature uniformity, an oxygen content control system and a spontaneous precursor combustion phenomenon, and an effective space of a hearth is fully utilized, so equipment and production cost is saved, and the economic production of carbon fibers is feasible.

The invention discloses a cleaning agent for a throttle valve and a preparation method for the cleaning agent. The cleaning agent for the throttle valve comprises the following components in percentage by mass: 60 to 80 percent of non-aryl alkane of C8-C13, 3 to 6 percent of polar solvent, 3 to 6 percent of synthetic base oil, 1 to 3 percent of antiwear agent, 1 to 2 percent of metal protective agent, 0.04 to 0.08 percent of macromolecule detergent dispersant, 10 to 14 percent of deodorized liquefied petroleum gas and 2 to 3 percent of carbon dioxide. The cleaning agent has the cleaning function of the traditional carburetor cleaning agent, also has a lubricating effect on the throttle valve and a protective effect on a special coating of the inner cavity of an electronic throttle valve, and does not have corrosion or swelling effects on rubber oil seal on an idle-speed motor. The cleaning agent can eliminate oil sludge, dust and carbon deposit which are adhered to the cavity of the throttle valve, the throttle valve, an air inlet channel and the like, and can also inhibit generating and aggregating deposits on the machine parts. The cleaning agent is made of environment-friendly materials completely, does not contain ingredients such as arene, halohydrocarbon and the like which have damage to a human body, has no toxicity and low odor, and does not pollute the human body, the environment and the atmosphere.

The invention relates to a sewage treatment device and a sewage treatment method, and is used for treating mixed industrial sewage taking antibiotic pharmaceutical wastewater which is hardest to biologically degrade as a primary; the sewage undergoes nitrogen and phosphorus removal through mechanical interception, chemical oxidation, multiple biological degradation and chemical flocculation effects with a grid, a grit chamber, an adjusting primary sedimentation pool, a modified type inverted AA / O pool, an aerated biological filter pool, a flocculation sedimentation pool and a sludge concentration pool, and thus a quite good treatment effect is obtained, and CODcr, NH3-N, TP and other indicators of the effluent all reach first grade discharge standards; the method is stable and reliable in treatment effect and relatively low in operation cost. An improved anaerobic pool, anaerobic pool, aerobic pool and other biochemical reaction pools are each provided with an independent mud-water automatic separation device by self, so that sludge backflow is eliminated, the power consumption is relatively greatly reduced, the sewage treatment cost is reduced, and economy and technology dual advantages are provided. The coupling method provided by the invention is not easily affected by feedwater water quality fluctuation and other factors, allows the process to have strong resistance to shock loading, has the characteristics of good sludge sedimentation performance, no occurrence of a sludge expansion phenomenon and the like, and has a wide application prospect.

The invention belongs to the technical field of environmental protection and particularly relates to an energy-saving and emission-reducing town sewage treatment system. The energy-saving and emission-reducing town sewage treatment system provided by the invention comprises a strengthened pre-treatment system, a self-suction jet biological aerated filter system, a composite fluidized-bed biomembrane reaction tank system, a sludge treatment and refluxing system and a winter heat insulation system and is realized by a sewage lifting technology or sewage self-flowing process. According to the system, a novel anaerobic sewage treatment technology, an activated sludge process and a novel aerobic biomembrane-process treatment technology are organically combined, so that the advantages of small floor area, small investment, low energy consumption and simplicity and convenience in maintenance management are achieved; the sewage treatment system disclosed by the invention can be applied to town sewage treatment, and treated outlet water can stably reach the standard A of first-level standard of discharge standard of pollutants for municipal wastewater treatment plant (GB18918-2002).

The invention relates to an integrated biological reactor for treatment of industrial wastewater and domestic sewage. The integrated biological reactor comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank, wherein the integrated biological reactor is shaped like a barrel as a whole, the cross section of the integrated biological reactor comprises three concentric circles, the interior of an outmost circular ring which is surrounded by the outmost two circles is divided into the anoxic tank and the aerobic tank through a partition plate, and the height of the partition plate is lower than that of a barrel body of the reactor; a middle circular ring surrounded by the innermost two circles is the sedimentation tank, and the anaerobic tank is arranged in the innermost circle; and the anaerobic tank is connected with the anoxic tank through a pipeline, and the aerobic tank is connected with the sedimentation tank through the pipeline. An aeration device is mounted at the bottom of the aerobic tank, and aeration is generally performed through a Roots blower. A sludge discharge pipe is arranged at the bottom of the sedimentation tank. The anaerobic-anoxic-aerobic-sedimentation tanks are integrally arranged and built, thus the problem of large occupied area in a traditional mode can be solved.

The invention discloses a vascular stent coating with a drug sustained-release function, which is prepared from the following raw materials: polycaprolactone, chitosan, collagen, medicine, nano magnesium, nano titanium dioxide, dendrobium polysaccharide, tea polyphenol, dopamine, gelatin, nano zirconia, hirudin, and ethanol. The invention also discloses a preparation method of the vascular stent coating with the drug sustained-release function. The binding strength of the vascular stent coating and a substrate is 4.8 to 5.9 MPa, the binding strength of the vascular stent coating and the stent substrate is high, the degradation time of the vascular stent coating is 68 to 86 days, the vascular stent coating can be completely degraded after 90 days, the large-area shedding and swelling phenomena do not occur in the degradation process, the stability and biocompatibility are good, no cell toxicity, coagulation and thrombosis are formed, and no inflammatory response is generated.

The invention discloses a wax for a self-healing metalized capacitor. The wax for the self-healing metalized capacitor is prepared according to the following formula: 10-30% of microcrystalline wax, 60-80% of vegetable oil, 3-5% of hydroxyl-terminated modified liquid rubber, 1-5% of oil gelling agent and 0.1-2% of hydrogenated styrene-butadiene rubber. The invention also provides a preparation method of the wax for the self-healing metalized capacitor. The wax for the self-healing metalized capacitor, prepared by the invention, is small in shrinking percentage at low temperature, free of oil leakage at high temperature and almost free of swelling for a polypropylene membrane of the capacitor.

The invention relates to a comprehensive treatment method of dyeing wastewater. The comprehensive treatment method comprises the following steps of: adsorbing the wastewater by using pulverized fuel ash after passing through a grating, and adding an appropriate amount of additive in the adsorption process; filtering effluent, then adjusting the pH value of the filtered effluent, adding the effluent to a bubbling tower to further carry out decoloring treatment; and adding the decolored effluent to a hydrolysis acidification pool to carry out anaerobic treatment, carrying out further biochemical treatment by using a biological aerated filter, carrying out biological oxidation and intercepting suspended solids, and therefore a subsequent secondary sedimentation tank is saved; and finally, carrying out advanced treatment by using a security filter and an ion-exchange column, wherein the effluent can be close to the recyclable requirement. The comprehensive treatment method can be used for effectively removing fine suspended solids (SS), COD (Chemical Oxygen Demand) and chromaticity in the dyeing wastewater, and the removal rate of the SS, COD and chromaticity can reach more than 98 percent; the comprehensive treatment method has the advantages of small occupied area, low investment, simpleness in operation, low energy consumption, operation stability, no sludge bulking and the like; and in addition, the purposes of treatment of wastes with processes of wastes against one another and comprehensive utilization are achieved, the effluent quality is favorable, and the requirement of the water quality of reuse water for production can be met.

The invention relates to modified sodium alginate and application thereof. The modified sodium alginate is obtained by grafting 10%-40% of perssad containing perssad onto existing sodium alginate. The modified sodium alginate has the advantages that the needed time for forming hydrogel is short and within one second to five minutes; good biocompatibility and biodegradability are achieved; swelling in normal saline does not exist. The modified sodium alginate can serve as hemostatic.

The invention discloses an A-A2O continuous flow sewage denitriding and dephosphorizing system and a short-range denitriding method, belonging to the field of biological treatment of sewage. Short-range denitrification refers to an economical and efficient biological sewage denitriding method. The conventional short-range denitrification is mostly realized in a batch-type denitriding treatment system while short-range denitrification is difficult to realize due to the running regulating and controlling complexity of a denitriding and dephosphorizing continuous flow treatment system which is applied practically mostly. In the A-A2O continuous flow sewage denitriding and dephosphorizing system for treating domestic sewage in the invention, short-range denitrification is realized by regulating and controlling the DO (Dissolved Oxygen) concentration, the nominal hydraulic dwell time and the practical hydraulic dwell time of the aerobic region. The nitrite accumulation rate is stably maintained at 90 percent, the ammonia nitrogen removing rate is over 95 percent, and the total phosphorus removing rate is over 90 percent. According to the invention, technical problems caused by the conventional application of short-range denitrification to the continuous flow biological sewage denitriding and dephosphorizing system are solved, the application range of short-range denitrification is expanded, and running regulation and control of short-range denitrification can be realized for the continuous flow biological sewage denitriding and dephosphorizing system.

The embodiment of the invention provides a baseplate assembly, a display baseplate mother board, a display baseplate and a preparation method thereof, and a display, and relates to the technical field of flexible display. Breakage can be avoided when a bearing baseplate and a flexible substrate baseplate are separated, and the heave phenomenon of a connecting layer at high temperature can be avoided. The baseplate assembly comprises the bearing baseplate, and the connecting layer and the flexible substrate baseplate which are formed on the bearing baseplate sequentially. The connecting layer is mainly made of an organic layered material, and the molecular structure of the organic layered material comprises a hydrophilic group. The baseplate assembly is used for manufacturing a flexible display baseplate.

The invention provides a flat glass conveying device which can quickly deal with unqualified flat glass and makes the integer compact by miniaturizing the structure of an air flotation device and reduces the noise to facilitate after-management. The flat glass conveying device includes: an air flotation device 20 disposed at the upper part of a worktable 10 and discharging air upwards from each vent 22a formed on the upper surface; conveyers 30 disposed at the both sides, in width direction, of the air flotation device 20 and employing the discharged air to keep the flotation-support state to convey the flat glass 40 moving over the air flotation device 20, wherein, in the air flotation device 20, the central part, beside periphery, is formed by through holes 20a which vertically run-through the air flotation device 20, and on which shield plate 50 is disposed.

The invention provides a cell preservation liquid which is composed of sodium chloride, ethylene diamine tetraacetic acid disodium, PEG10000, Proclin300, methanol, and an acetic acid-sodium acetate buffer solution. The cell preservation liquid reduces the use cost, really effectively protects the integrity and stationarity of cells, prevents cell dissolution and expansion, is easy to popularize and strong in compatibility, and saves the sample preparation time.

The invention provides a lithium ion battery negative electrode material, a lithium ion battery negative electrode plate and a preparation method thereof and a lithium ion battery, and relates to thetechnical field of an electrode material. The lithium ion battery negative electrode material comprises a negative electrode active material, a binder and a conductive agent; the binder comprises a polyacrylamide type binder; the technical problem of relatively short cycle life caused by the fact that the conventional lithium ion battery negative electrode material adopts styrene-butadiene rubberand sodium carboxymethylcellulose as the binder can be relieved; and the binder comprising the polyacrylamide type binder is adopted to replace styrene-butadiene rubber and sodium carboxymethylcellulose to be used as the binder, so that a swelling phenomenon in an electrolyte is avoided, the low-temperature performance is improved, and a technical effect of prolonging the cycle life of the lithiumion battery can be achieved.