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

A complex antimicrobial sorption composition possessing the necrolytic effect for treating the purulent wounds, the trophic ulcers, the wounds, and the infiltrates with the significant necrotic and exudative components represents the silica sorbent with the immobilized drug. Aerosil is used as a siliceous sorbent, and seratiopeptidase as a drug.

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 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 relates to a ternary mixed ionic liquid electrolyte and a preparation method and application thereof. Mix tetraethylammonium tetrafluoroborate and 1-butyl-3-methylimidazolium tetrafluoroborate ionic liquid at a molar ratio of 0.02-0.06:1, and stir at room temperature for 40-50 hours under nitrogen protection to prepare The mixed solution is vacuum-dried to make the water content less than 0.06% to obtain a C8H20BF4N / [Bmim]BF4 mixed solution. Using C8H20BF4N / [Bmim]BF4 as the solute and propylene carbonate as the solvent, a 0.5-1.5mol L-1 electrolyte solution was prepared. The ternary mixed ionic liquid electrolyte of the present invention has the advantages of wide electrochemical window, high electrical conductivity, small internal resistance, etc., and the preparation method is simple. Compared with commercial electrolytes, the mixed electrolyte is cheaper and has better performance. It is more prominent and has great potential in the application as supercapacitor electrolyte.

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 flexible carbon castable for furnace bottom leveling layer, the composition of which is as follows in terms of mass percentage: 61-65% of high-power graphite granules; 10-20% of high-power graphite powder; active α-oxidation Aluminum powder 3-5%; natural flake graphite 2-5%; pure aluminate cement 7-14%; dispersant 1-2%. The invention is energy-saving and environment-friendly, does not produce substances harmful to the environment, does not cause any harm to construction workers, meets the requirements of the state for environmental protection and energy-saving emission reduction, and has greater advantages compared with the prior art in terms of environmental protection. The construction operation of the materials used is simple and has certain thixotropy. It only needs to be repaired in time and quickly after vibration forming, which can save a lot of construction time.

The invention discloses a negative electrode slurry and its preparation method and application. The method comprises: adding a negative electrode active material, a conductive agent and a thickener into a three-axis planetary mixer for mixing and stirring to obtain a first mixed material; Adding additives to the mixed material and stirring to obtain a second mixed material; adding a solvent to the second mixed material and stirring under vacuum conditions to obtain a first mixed slurry with a solid content of 80wt% to 90wt%; adding to the first mixed slurry Add a solvent to the material and continue to stir under vacuum conditions to obtain a second mixed slurry with a solid content of 60wt% to 72wt%; add a binder and a solvent to the second mixed slurry and continue to stir under vacuum conditions to obtain A third mixed slurry with a solid content of 53wt%-58wt%, adding a solvent to the third mixed slurry and continuing to stir under vacuum to obtain a negative electrode slurry with a viscosity of 3000-8000mPa·s. The method can effectively solve the infiltration problem of the negative electrode active material and the solvent at the initial stage of stirring, shorten the stirring time of the slurry, and improve the viscosity consistency of the slurry.

The invention discloses a cable with multiple moisture-proof devices based on a bidirectional glue coating principle The structure of the cable comprises a cable main body, a splice groove, a coilingwheel, a fastening handle and wiring mechanisms, wherein the middle part of the cable main body is connected with the coiling wheel in a winding mode; the fastening handle is installed at the middle part of the coiling wheel in a penetrated mode; and the two wiring mechanisms are connected with two ends of the cable main body in an overlapping mode. According to the cable, when the wiring mechanisms are used for fixedly connecting the cable main body, a moisture-proof fluid is guided into an internal glue groove through an injection port, a pressurizing mechanism is controlled for driving a moisture-proof mechanism to move, and the moisture-proof fluid can be uniformly adhered to the thinned position of the cable main body and a wiring port, so that a sealing moisture-proof effect for theskin at the joint and a cable core is achieved, the problem of water infiltration is solved, secondary maintenance protection also can be carried out in later period, and the cable is more convenientto use.

A liquid guiding and infiltrating device utilized in an ink brush comprises : a micro-liquid guiding pipe (3) comprising an end portion surrounded at the periphery thereof by a plurality of pen bristles (2) aligned so as to be mutually level. A plurality of protruding pen bristles (1) are arranged at the innermost portion of the mutually level pen bristles (2) and at intervals around the periphery of the micro-liquid guiding pipe (3). A vertical distance from a bristle tip of the mutually level pen bristles (2) to the end portion of the micro-liquid guiding pipe (3) is 4-7 mm. A vertical distance from a bristle tip of the protruding pen bristles (1) to the bristle tip of the mutually level pen bristles (2) is 1-2 mm. The device can uniformly infiltrate a micro-volume of a liquid onto two fibers completely, and can be used to draw on a plane an effective device comprising a super-fine and super-thin film having an arbitrary length. The device is simple in the operating principle and method and easy to implement, and can effectively resolve an issue of infiltration of a micro-volume of a liquid in a micro-liquid supply system.