40results about How to "Solve the problem of infiltration" patented technology

The invention relates to an ecological restoration method for a coal gangue dump; according to the method, during the arrangement of a coal gangue dump and the arrangement of the dump body, annular plant ditches and longitudinal drainage ditches are disposed from top to bottom; clay is added onto gangue and is tamped; a mixture of dehydrated sludge and gangue is added onto the clay between ditches, and sedum alfredii hance are planted; a mixed substrate of gangue dump surface soil, fermented pig manure, and vermiculite is added into the plant ditches; and prostrate spurge, crape myrtle, and cucurbita pepo are planted orderly and repeatedly in the mixed substrate. The method effectively reduces the spontaneous combustion probability of coal gangue, shortens the restoration period, makes use of dehydrated activated sludge, changes wastes into valuables, and obtain certain economic benefits, environmental benefits, and social benefits.

The invention relates to a method for improving fabric ink-jet printing performance by using quaternary ammonium chitosan, belonging to the technical field of textile chemistry. The method is characterized by comprising the following steps of: respectively using dipping or padding manners to pre-process the fabric by using the water-soluble quaternary ammonium chitosan; then drying and jetting ink and printing. The improved pre-processing technique of the quaternary ammonium chitosan can obviously increase the ink-jet printing performance of the fabric, improve the fineness and color depth of the printing fabric, and increase printing color firming degree. Furthermore, the fabric has good hand feeling and antibacterial performance.

The invention provides a processing technology for digital printing of a silk fabric and belongs to the technical field of the digital printing, aiming at overcoming the disadvantages that a dyestuffruns, the clear degree of a decorative pattern is poor, the brightness is low and the color yield is not high and the like when an existing silk fabric is dyed. The processing technology for the digital printing of the silk fabric comprises the following steps: S1, preparing a textile; S2, washing and drying; S3, treating the textile; S4, printing and fixing color; S5, carrying out alkaline washing; S6, washing with de-ionized water; S7, drying; S8, checking. The processing technology has the advantages that the dyestuff does not run, the clear degree of the decorative pattern is good, the brightness is good and the color yield is relatively high.

The invention discloses a preparation method of tungsten carbide composite powder. The tungsten carbide composite powder is prepared by microparticle magnetron sputtering equipment. The preparation method is characterized in that tungsten carbide powder is used as a matrix; a coated metal is used as a target material; through direct current, radio frequency or pulsed sputtering, the metal of the target material is sputtered and deposited on surfaces of the tungsten carbide powder to form uniform and compact metal films; and the uniform and compact metal films closely coat tungsten carbide particles so that metal-coated tungsten carbide powder is obtained. The preparation method has the advantages that processes are simple; control is easy; stability is high; pollution on the environment is avoided; a compact and continuous film is obtained; adhesion is strong; through a change of components of the target material, coating by films having different components is realized; the problem of infiltration of interfaces between tungsten carbide particles and a metal is solved; and decarburization in tungsten carbide powder heating is inhibited.

The invention discloses flexible carbonaceous castable for a furnace bottom leveling layer. The flexible carbonaceous castable is prepared from the components in percentage by mass: 61 to 65 percent of high-power graphite granules, 10 to 20 percent of high-power graphite powder, 3 to 5 percent of activated alpha-aluminum oxide micro-powder, 2 to 5 percent of natural flake graphite, 7 to 14 percentof pure-aluminate cement and 1 to 2 percent of a dispersant. The flexible carbonaceous castable disclosed by the invention has the advantages of energy saving and environment protection; the flexiblecarbonaceous castable does not produce substances harmful to the environment, has no dangers to bodies of construction personnel and meets environment protection, energy saving and emission reductionrequirements advocated in China; compared with the prior art in the aspect of the environment protection, the flexible carbonaceous castable has relatively great advantages. The used materials are simple to construct and operate and have certain thixotropy; the materials can be rapidly leveled only if the flexible carbonaceous castable is vibrated and molded so that a construction period can be greatly saved.

The invention relates to a metal-based composite reinforcement phase casting technique. The casting technique comprises the steps of infiltrating and combining reinforcement phase metal in a quick-wearing part of a metal part, mixing and pressing reinforcement phase metal particles, powder and a binding agent into pellets, pre-sintering the pellets, fixing the pellets on the surface of the metal part, casting liquid metal on the pellets, infiltrating molten metal to the pellets to soak and combine with the reinforcement phase metal by virtue of static pressure and capillary force, and forming metal and a reinforcement phase composite layer when a casting is formed. The casting process provided by the invention is convenient in production process and low in cost; furthermore, the infiltration and combination between the prefabricate pellets and a casting body can be solved, therefore the pellets and a matrix are fused together without any obvious limit.

The invention relates to an ultrahigh pressure and high temperature core holder, which comprises a core cabin, and a left seal plug and a right seal plug positioned at two ends of a core cabin cylindrical space and screwed tightly as well as sealed by a left compaction nut and a right compaction nut. The outer ends of the left seal plug and the right seal plug are respectively equipped with a left built-in needle valve and a right built-in needle valve. The inside of the core cabin 1 cylindrical space includes a core, choke plugs and a sleeve. Two sides of the core are respectively equipped with a choke plug. The choke plugs are in close contact with the core, and they are placed in a cylindrical sleeve inside the core cabin together. The outer wall of the core cabin is equipped with an upper built-in needle valve and a lower built-in needle valve. The holder core cabin, the choke plugs, the seal plugs, the compaction nuts, the built-in needle valves and valve accessories all employ a titanium alloy material, and the sleeve adopts polyetheretherketone. The core holder has the characteristics of ultrahigh pressure and high temperature, as well as light mass. With a highest bearable pressure of 200MPa, a highest temperature of 250DEG C, and an overall mass of 2600g, the core holder can realize precise weighing in a precision balance, thus providing a reliable guarantee for core flow experiments under ultrahigh pressure and high temperature conditions.

The invention discloses a preparation method of a bionic shell structure ceramic and metal composite material. The preparation method comprises the following steps that an ammonium bicarbonate solution and a nickel sulfate solution are correspondingly prepared for later use, chemical nickel plating is carried out on the surface of an alumina wafer layer by virtue of the prepared ammonium bicarbonate solution and the nickel sulfate solution, a nickel-coated alumina wafer layer block body is obtained by means of the metal nickel which is obtained after being subjected to chemical nickel plating,and hot-pressing sintering is carried out to obtain the bionic shell structure ceramic and metal composite material. The prepared bionic shell structure ceramic and metal composite material has highperformance.

The invention relates to the field of industrial waste water processing, and especially relates to a method for processing sulfur-containing waste water. The method comprises the following steps: 1) adjusting the pH value of the sulfur-containing waste water to 4-6 by employing a pH conditioning agent; and 2) inputting the sulfur-containing waste water after pH regulation into a membrane method negative pressure desulfurization unit for desulphurization processing. The method by employing the membrane method negative pressure desulfurization technology for processing sulfur-containing waste water has the advantages of simple equipment, high automation degree, easy operation maintenance, strong environmental adaptability, less land occupation, and high desulphurization efficiency, can realize the skid-mounted processing, and greatly reduces the operation cost.

The invention relates to the field of microscale liquid infiltration device, in particular to a pen type liquid guiding and infiltration device. The pen type liquid guiding and infiltration device comprises a water supplying pipe (1), a pen inner tongue liquid transfer pipe (2), a circular hoop type pen head (3) and fiber brush needles (4), wherein two circular-arc-shaped grooves (21) are formed in the pen inner tongue liquid transfer pipe (2) in the periphery, and the fiber brush needles (4) are fixed in the circular-arc-shaped grooves (21) at the liquid discharging end of the pen inner tongue infusion pipe (2); the pen inner tongue liquid transfer pipe (2) penetrates through the circular hoop type pen head (3), and side wall openings of the circular-arc-shaped grooves (21) face a liquidguiding groove (31) of the inner wall of the circular hoop type pen head (3).The pen type liquid guiding and infiltration device is simple in the principle, easy to realize, capable of effectively solving infiltration problem of the microscale liquid in a microscale liquid supplying system, and is of great importance in the development of the research and production of novel ultrathin films with high-quality.

The invention relates to water-based pigment ink used for a high-speed ink-jet printer and a preparing method thereof. The water-based pigment ink includes 5-15 parts of pigment, 0.3-1 part of a defoamer, 1-3 parts of a dispersant, 39.6-67.6 parts of purified water and 26.1-38.4 parts of a waterborne solvent. The method includes (1) preparing the purified water; (2) adding the purified water, thepigment, the dispersant and the waterborne solvent according to a mass ratio into a dispersing machine, and dispersing the materials to obtain a mixture; (3) grinding the mixture until the particle size is less than 500 nm; and (4) adding the mixture into a stirrer, adding a pH adjusting agent, the defoamer, a humectant, an aseptic and a surfactant according to a ratio, and fully stirring the mixture to obtain the ink.

The invention discloses a natural immunity activator and a natural TIL cell accelerant which comprise icariside I. The natural immunity activator can increase the proportion of varied immunity cell subsets in peripheral blood, besides, can increase the CD8+/CD4+ ratio in the peripheral blood, and can activate an immune system; and the natural TIL cell accelerant can promote immunocyte in the peripheral blood to perform infiltration on tumor tissue, the proportion of the TIL cells in tumors can be increased, particularly infiltration of CD8+ cells in the tumor tissue is increased, the CD8+/CD4+ratio is increased, and T cells are increased to restrain growth of the tumors. The invention further discloses an application of the natural immunity activator and the natural TIL cell accelerant totumor immunotherapy, the content of the immunocyte in patients suffering from tumors can be increased, the difficult problem that during present tumor immunotherapy, infiltration and/or accumulationof the CD8+ cells in tumor microenvironment is deficient can be solved, and the curative effect of the tumor immunotherapy can be increased.

A technology for welding the golf head with its panel without the welded seam projected inward, which can cause weight nonuniformity and gravitational center shift includes such steps as manufacturing the golf head with a recess for the panel and the panel, fixing the head, freezing the panel, assembling the panel to said recess, naturally restoring the temp of panel for tight match between head and panel, and plasma welding or laser welding.

The invention discloses a high-resistance resistor magnetron sputtering target material and a preparation method thereof. The preparation method comprises the steps of (1) conducting burdening, specifically, burdening according to the following components: 50-57 wt% of Si, 40-42 wt% of Cr and the balance of Ni; (2) placing the graphite and magnesium oxide composite crucible in vacuum induction melting for preheating with the preheating temperature being 850 DEG C, and then putting Cr and Ni into the graphite and magnesium oxide composite crucible for further heating to 1400 DEG C; (3) preheating Si to 850 DEG C, preserving heat for 2.5-4 hours, continuously putting the Si into the graphite magnesium oxide composite crucible, and continuously heating to 2100 DEG C until the Si is completely mixed and melted; (4) reducing the temperature to 1800 DEG C to 1850 DEG C; (5) conducting casting, cooling and molding; (6) conducting machining, specifically, machining the surface of the high-resistance resistor magnetron sputtering target blank to enable the surface to be flat and smooth; and (7) welding to form a finished product of the high-resistance resistor magnetron sputtering target material. The preparation method has the advantages of high resistivity, low resistivity temperature coefficient and the like.

The invention discloses a quick anaerobic fermentation system of livestock and poultry liquid dung. The system comprises a filter pool, a fermentation pool and a methane tank, wherein the filter poolis connected in parallel with the fermentation pool through a partition; the filter pool and the fermentation pool are covered with a single cover plate; the bottoms and the side faces of the filter pool and the fermentation pool are covered with black membranes; a discharge pipe is arranged at the upper end of a side wall of the fermentation pool; a plurality of parallel flushing devices are arranged in the middle of the fermentation pool; a heating coil is arranged at the bottom of the fermentation pool; the bottom of the filter pool is connected with the bottom of the fermentation pool through a deslagging pipe; an exhaust pipe is arranged at the upper part of a side wall of the filter pool; and the other end of the exhaust pipe is connected with the methane tank. The black membranes are laid; the problem of infiltration of the traditional methane system is solved; a shrinkage situation of reinforced concrete is avoided; with the adoption of the flushing devices and baffles, the problems of crusting on an upper layer of a reaction material in the anaerobic fermentation pool and depositing of a solid sand layer at the bottom of the fermentation pool are solved; the system can achieve efficient and quick treatment of livestock and poultry excrement; hydraulic retention time does not exceed 5 days; and the fermentation is thorough and high in efficiency.