50results about How to "Reduce capillarity" patented technology

A personal air conditioning device cools and moistens environmentally hot and dry blower-forced air using water vaporization occurring on external surface of a hollow fiber micro-porous membrane while water or other liquid coolant is taken from a container by means of internal capillaries of hollow fiber tubes. The device is able to deliver the pre-cooled air flow over any desired body fragment, particularly under a protective vest.

A method for fabrication of diffractive optics by batch processing is disclosed, having applicability to high resolution ultra-high aspect ratio Fresnel Zone Plates for focusing of X-rays or gamma-rays having energies up to hundreds of keV. An array of precursor forms is etched into a planar substrate. Sidewalls of the forms are smoothed to a required surface roughness. A sequence of alternating layers of different complex refractive index, for binary or higher order diffractive optics, are deposited on the precursor forms by atomic layer deposition (ALD), to provide diffractive line patterns. Thinnest layers may have nanometer thicknesses. After front surface planarization and thinning of the substrate to expose first and second surfaces of the diffractive line patterns of the diffractive optic, the height h in the propagation direction provides a designed absorption difference and / or phase shift difference between adjacent diffractive lines. Optionally, post-processing enhances mechanical, thermal, electrical and optical properties.

The invention discloses a partition-optimized ultrathin VC with the thickness of 0.1-0.4 mm and a preparation method. The ultrathin VC comprises an upper cover plate and a lower cover plate, and the upper cover plate and the lower cover plate are welded. Each of the upper cover plate and the lower cover plate comprises an evaporation section, a heat insulation section and a condensation section; the surface of the evaporation section of the upper cover plate is of a super-hydrophilic cavity-shaped micro-nano structure, the surface of the heat insulation section of the upper cover plate is of asuper-hydrophilic equal-width groove micro-nano structure, and the surface of the condensation section of the upper cover plate is of a super-hydrophobic conical micro-nano structure; and a super-hydrophilic conical micro-nano structure is arranged on the surface of the area of the evaporation section of the lower cover plate, a super-hydrophilic cactus-like wedge-shaped groove micro-nano structure is arranged on the surface of the area of the heat insulation section, and a super-hydrophilic conical micro-nano structure is arranged on the surface of the area of the condensation section. The invention further discloses a preparation method of the ultrathin VC. A steam cavity structure, a liquid cavity structure and volume distribution in a heat pipe can be optimized, and good capillary water absorption performance and low water resistance and heat resistance of the heat pipe can be guaranteed.

The invention relates to an arrangement of electronic semiconductor components on a carrier system for treating the semiconductor components with a liquid medium. A semiconductor component is detachably mounted on the carrier system with the active side thereof in such a way that the arrangement comprises a gap at least in the edge region and partially between the semiconductor components and the carrier system. The aim of the invention is to provide a detachable arrangement of electronic semiconductor components on a mechanically stable carrier system for safely handling the semiconductor components during the production process, wherein the capillarity of the gap between the semiconductor components and the carrier system is reduced in a controlled manner, thus preventing the damaging effect of a liquid medium seeping into the gap. To this end, the surface of the carrier system is shaped in such a way that the gap is widened along the entire edge region thereof.

A waterproof light emitting diode lamp includes an emitting module, a plurality of transmission cables, an injection molding layer, and a lampshade. The emitting module has an LED lamp, a plurality of conductive holders, a shield, and a driving circuit. The driving circuit is disposed inside the LED lamp. The conductive holders are electrically coupled to the driving circuit and are exposed from one side of the LED lamp. The shield is connected to the LED lamp, and the conductive holders are arranged in a line at one side of the shield. The plurality of transmission cables are electrically coupled to the conductive holders correspondingly. The injection molding layer wraps a connection area from the emitting module to the transmission cables, and the LED lamp and the transmission cables are partially exposed from the injection molding layer.

An improved roofing method and assembly having a fascia cap designed to prevent water from moving through capillary action back towards the roof. The assembly has an a elongated drip edge running back the bottom edge of the fascia cap that displaces water away from the roof, preserving the integrity of the roof and building walls below. A blocking strip attaches the fascia cap to the roof, maintaining the assembly and helping the flow of water away from the roof.

The invention relates to a coherent propagation growth substrate product (1) formed of man-made vitreous fibres (MMVF), the product (1) having two opposed top and bottom surfaces and at least one cavity (2) which is open at the top surface and which extends from the top surface towards the bottom surface, wherein a superabsorbent polymer (3) is provided in the cavity (2).

The invention discloses stable permeation composite type rust coating and a preparation method thereof. The stable permeation composite type rust coating is formed by mixing epoxy resin E-44, xylene, absolute ethyl alcohol, aluminum triphosphate, zinc phosphate, iron oxide red, zinc molybdate, penetrant epoxy phosphate, a dispersing agent, a defoaming agent and a curing agent. Antirust agents are aluminum triphosphate, zinc phosphate and zinc molybdate. Triphosphate radical ions can have a stronger chelating ability with various metal ions, and a passive film is formed on the surface of a coated object; zinc phosphate and ferric ions have a higher condensation ability, phosphate anions react with iron anodes, a firm protection film with ion phosphate as a main body can be formed, and the compact purification film is insoluble in water, high in hardness and excellent in adhesive force; zinc molybdate can release molybdic acid ions, a composite insoluble substance formed on the surface of steel has an anti-rust effect; in this way, the anti-corrosion performance of the coating is excellent through the synergistic effect of the components.

The invention discloses an ultrathin soaking plate super-hydrophilic micro-nano-structure liquid absorbing core. The ultrathin soaking plate super-hydrophilic micro-nano-structure liquid absorbing core comprises a liquid absorbing core body and a soaking plate cover plate. The liquid absorbing core body is directly prepared on the soaking plate cover plate. The liquid absorbing core body is formedby periodically-distributed micro-arrays and passageways around the micro-arrays. Nano-scale sub-structures are densely distributed on the surfaces of the micro-arrays and the surfaces of the passageways around the micro-arrays, and a micro-nano full-coverage structure containing rich micro-cavities is formed by the micro-arrays, the passageways and the nano-scale sub-structures. A high-surface-energy oxide coating is arranged on the surface of the micro-nano full-coverage structure. Compared with powder spraying sintering of an existing liquid absorbing core and a traditional preparation method of a red copper silk screen liquid absorbing core, the steps of the process of preparing the liquid absorbing core with a laser method are fewer, the flow path is short, the efficiency is high, the structural consistency is good, the stability is high, the comprehensive performance is good, and a lowest heat pipe thickness and an optimal heat dissipation effect can be achieved.

The invention provides a lubricating device with a warming function. A heat conduction piece is arranged between the lubricating device and a mobile piece. The heat conduction piece can absorb heat energy generated when the mobile piece moves, and conducts the heat energy to an oil storage tank of the lubricating device. Accordingly, the consistency of lubricating oil in the oil storage tank is lowered, and therefore an oil guide piece can generate a capillary phenomenon smoothly and the lubricating oil is guided to a lubricating piece which is used for lubricating a long shaft at the same time. The lubricating oil returns to a normal temperature and the generation of the capillary phenomenon is slowed down when the mobile piece does not move. Accordingly, the status of whether the lubricating oil is supplied or not can be changed without the need of other control pieces, and the phenomenon of oil leakage caused when the mobile piece does not act is avoided.

The invention belongs to the technical field of corrosion prevention, and particularly relates to a method for rapidly preparing an underwater super-oleophobic anticorrosive coating. The method comprises the following steps: 1, preparing an epoxy coating: taking 7-10 parts by weight of epoxy resin and 1-3 parts by weight of a curing agent, mixing, ultrasonically stirring, dissolving in 100-150 parts by weight of an organic solvent, spraying the obtained epoxy solution on a substrate on a heating table, and pre-curing for 3-4 minutes to form the epoxy coating; and 2, preparing the underwater super-oleophobic coating: spraying 1-2 parts by weight of hydrophilic nanoparticles on the epoxy coating, and curing the epoxy coating in a baking oven at the temperature of 60-130 DEG C after sprayingto prepare the underwater super-oleophobic coating. According to the preparation method, the curing agent with a hydrophobic chain segment is selected to be subjected to a curing reaction with epoxy resin, meanwhile, and the hydrophilic nanoparticles are bonded to obtain the underwater super-oleophobic coating within 20 min. The problems that existing underwater super-oleophobic coating is long inpreparation time, complex in preparation process and poor in chemical stability are solved.

The writing instrument comprises a body, a main reservoir containing ink and housed in said body, a writing head projecting from the front part of said body, and a capillary connector for transferring ink from the main reservoir to the writing head. It further comprises an auxiliary reservoir containing an ink carrier liquid, and actuator means for releasing said liquid from the auxiliary reservoir so that said liquid flows into the main reservoir and expels the ink towards the connector. The carrier liquid contains the ink solvent, in particular water in the case of a water-based ink, and preferably contains all or any of the components of the ink in the main reservoir, whereby the original writing properties of the residual ink carried by the carrier liquid are preserved.

The invention relates to a panel solar cell and roof greening combined assembly which comprises a solar panel and cultivation box, wherein the solar panel is arranged on a roof and supported by a bracket; a water storage precipitation tank is arranged on the lower edge of the solar panel; the cultivation box is arranged below the solar panel and comprises a cultivation layer and an acquifer arranged below the cultivation layer; a water guiding opening is formed in the water storage precipitation tank and is used for introducing collected rainwater into the acquifer. Compared with the prior art, the problem that the existing roof greening technology cannot meet the practical demands of cold and dry regions in northwest of China is solved, the construction is convenient, roof greening, solar power generation and reclaimed water utilization are integrated, and the practical application of the combined assembly in the cold and dry regions in northwest of China is facilitated.

A carburetor (1) having an existing venturi upstream of a throttle plate (7) and a bore (17) downstream of a throttle plate (7) is provided with a second venturi (14) which increases airflow velocity and promotes fuel atomization. An aerodynamic piece or wing (15) is mounted to the top of the venturi to further define the airflow path and to prevent the downstream fuel / air mixture (10) from losing velocity after passing the throttle plate. The wing (15) includes a first set of tabs (41, 42) to secure the wing to the engine intake manifold and as second set of tabs (43, 44) to secure the combined wing (15) and venturi to an oversized carburetor bore. A cutout (21) in the venturi (14) prevents interference with the carburetor fuel jet (5). The wing (15) may be formed with a specially shaped trailing edge (51) in order to accommodate the contours of the throttle plate.

The invention discloses a saline-alkaline land remediation structure based on river channel sediment recycling, comprising a saline-alkaline land foundation layer, a separator layer, a reinforcing layer and an improved soil layer; the saline-alkaline land foundation layer is provided with at least one remediation channel. The remediation channels above the reinforcing layer are filled with the improved soil layer made by mixing river channel sediment and sandy soil; halophytes are planted above the improved soil layer; therefore, the utilization issue of the river channel sediment is solved. The sandy saline-alkaline land with low clay content is improved through the river channel sediment with high clay content; therefore, soil quality of the sandy saline-alkaline land is improved, permeability of the sandy saline-alkaline land is decreased, gaps in the soil are decreased, less water evaporates, and water and soil are immobilized. Soil fertility is improved through organics in the river channel sediment; therefore, plant growth is benefited, and economic benefit is produced. Salts in the saline-alkaline land are absorbed through the growth of the halophytes so as to remediate thesaline-alkaline soil, so that river channel sediment is recycled and the natural environment is improved.

A gas sensor includes a sensor element and one or more hollow columnar dense bodies. The sensor element includes an element main body having a side surface, a porous layer and a water-penetration reduction portion that cover at least a front end-side part of the side surface. The water-penetration reduction portion disposed on the side surface so as to divide the porous layer an overlap length W that is the length of a continuous overlap between a range in which the water-penetration reduction portion is present in the longitudinal direction and a range in which inner peripheral surfaces of the one or more dense bodies are present in the longitudinal direction being 0.5 mm or more, the water-penetration reduction portion being a gap region in which the porous layer is absent, the water-penetration reduction portion reduces the capillarity of water.

A personal air conditioning device cools and moistens environmentally hot and dry blower-forced air using water vaporization occurring on external surface of a hollow fiber micro-porous membrane while water or other liquid coolant is taken from a container by means of internal capillaries of hollow fiber tubes. The device is able to deliver the pre-cooled air flow over any desired body fragment, particularly under a protective vest.

A gas sensor includes a sensor element and one or more hollow columnar dense bodies. The sensor element includes an element main body having a side surface, a porous layer and a water-penetration reduction portion that cover at least a front end-side part of the side surface. The water-penetration reduction portion disposed on the side surface so as to divide the porous layer or to be located closer to the rear end than the porous layer, an overlap length W that is the length of a continuous overlap between a range in which the water-penetration reduction portion is present in a longitudinal direction and a range in which inner peripheral surfaces of the one or more dense bodies are present in the longitudinal direction being 0.5 mm or more, and having a dense layer covers the side surface, the water-penetration reduction portion reduces the capillarity of water.

A new method is disclosed for extracting plasma from whole blood and metering the amount of plasma to an exact volume for dispensing into a diagnostic test, in a fully automatic and self-contained device. The device can be used in resource limited settings by unskilled users to facilitate sophisticated medical diagnostic testing outside of a hospital, clinic or laboratory.

A new method is disclosed for extracting plasma from whole blood and metering the amount of plasma to an exact volume for dispensing into a diagnostic test, in a fully automatic and self-contained device. The device can be used in resource limited settings by unskilled users to facilitate sophisticated medical diagnostic testing outside of a hospital, clinic or laboratory.

The invention discloses an organic-inorganic compound fertilizer for argy wormwood. The problems of existing planting technologies, such as low yield of argy wormwood, exceeding heavy metal, poor quality and the like, are solved. The invention is characterized in that the organic-inorganic compound fertilizer is composed of the following raw materials (by weight): 0.5% of borax, 0.3% of zinc sulfate, 0.3% of magnesium sulfate, 0.02% of ammonium molybdate, 5% of ordinary superphosphate (north) or 5% of calcium magnesium phosphate fertilizer (south), 26-30% of humic acid, 8-9% of monoammonium phosphate, 7.5-15% of potassium nitrate, 15.5-18% of urea, 2.5-8.5% of potassium chloride, and a water balance binder (zeolite, bentonite and attapulgite). The product quality meets the technical requirements of GB18877-2009. The traditions for basal application of organic fertilizers and for dressing of phosphate and potash fertilizers from wild argy wormwood to argy wormwood planting bases are broken. Soil is improved, yield of moxa floss is increased, and contents of general flavone and volatile oil of argy wormwood are increased. In addition, contents of heavy metals cadmium and copper and toxic components camphor and thujone in argy wormwood are reduced.

A drop-shaped brush head assembly is revealed. The drop-shaped brush head assembly includes a drop-shaped brush head which is formed by a plurality of bristles and a handle connected to each other. The bristles are used for combing hair and the handle is for support. The handle consists of a plurality of discharge holes on top thereof and a mounting space therein. A paint in the mounting space flows through the discharge holes of the handle and the bristles to be applied to target area. The drop-shaped design of the brush head has a pointy end on top and a larger end on bottom thereof. The pointy end allows users to control the operating angle easily while grooming fine-hair area and the larger end is used to apply the paint to large area conveniently. Thereby the brush head assembly is more convenient to use.

The invention belongs to the technical field of weather-resistant hydrogel roadbeds, particularly relates to a weather-resistant hydrogel roadbed operation period water content and dense state regulation and control method, and provides the following scheme aiming at the problem that an existing roadbed is inconvenient to automatically regulate and control when the water content is too much or too little: the method comprises the following steps: S1, cleaning and compacting the surface of a foundation; S2, preparing a hydrogel roadbed filler; S3, laying the prepared hydrogel roadbed raw material on the surface of the foundation to form a first layer of improved roadbed; and S4, laying a plurality of layers of plain soil roadbed on the surface of the improved roadbed. The water absorption and release functions of the modified resin and the characteristics of the gel state are combined for mixed use, the roadbed is laid and improved in a layered mode, when the water content in the roadbed is increased to a certain threshold value, the modified resin can absorb water and is slightly swelled, a strength and compactness protection layer can be formed on the connection section of the foundation and the roadbed and the connection section of the roadbed and the pavement, and the pot cover effect is prevented.

An improved optical fiber holder is provided, including: a tubular member (3) for fitting over an optical fiber bundle (1) consisting of a bundle of plural optical fibers (11) to prevent the optical fibers (11) from separating from each other; and a pressing structure (5) for exerting a pressing force on the optical fiber bundle (1) in a direction perpendicular to a longitudinal direction of the optical fiber bundle (1) to press the optical fiber bundle (1) against an inner periphery (3a) of the tubular member (3).

The invention discloses a printing preprocessing sizing agent and a preparation method thereof, and a jet ink printing technology for an acrylic fibre fabric. The printing preprocessing sizing agent comprises the following raw materials in parts by weight of 1-5 parts of a cation thickener, 3-12 parts of a solubilizer, 2-4 parts of a pH buffer agent, 0-4 parts of electrolyte, 0-2 parts of a thickening agent and 0.2-2 parts of a retarding agent. The preprocessing sizing agent is used for preprocessing for jet ink printing of cationic dye ink for the acrylic fibre fabric, and further patterns obtained by jet ink printing are clear in outline, bright in color, good in color fastness and simple in dying steps.

The invention provides a honeycomb core structure and a turbine honeycomb gland comprising the same. The honeycomb core structure is welded on a connecting plate and comprises multiple honeycomb corrugated tapes; the multiple honeycomb corrugated tapes are arranged at intervals; each honeycomb corrugated tape comprises a main corrugated tape body and a moisture resisting layer; each main corrugated tape body has a moisture resisting end surface, and the main corrugated tape body and another main corrugated tape body located on one side of the main corrugated tape body are arranged at an interval by the aid of the moisture resisting end surface; the moisture resisting layers are arranged on the moisture resisting end surfaces of the main corrugated tape bodies so as to prevent solder from climbing along the gaps between every two adjacent honeycomb corrugated tapes by the aid of the moisture resisting layers when the multiple honeycomb corrugated tapes are welded on the connecting plate. By the aid of the honeycomb core structure, the problem that gaps among honeycomb corrugated tapes are filled with the solder easily during brazing of honeycomb cores in the prior art is solved.

The invention relates to a method for preventing saline-alkali soil salt return by utilizing a salt isolation layer. The method includes the steps of ploughing a saline-alkali soil layer with the thickness of 50-70cm, and removing ploughed soil; laying an iron tailing layer with the thickness of 5-10 cm; laying a straw layer with the thickness of 15-20 cm; laying a charcoal layer with the thickness of 4-8 cm; and conducting saline-alkali soil backfill. According to the method for preventing saline-alkali soil salt return by utilizing the salt isolation layer, the gathering speed of bottom salt on an earth surface can be reduced, and the effect of inhibiting soil salt return is achieved; the pH and the salt content of surface soil can be effectively reduced, the content of organic matters in the soil is increased, and a proper soil environment can be provided for plant growth; the salt isolation layer prepared from two solid wastes and biochar can achieve the effect of inhibiting soil salt return, turns waste into wealth, and improves the economic, social and environmental benefits; and the method has the characteristics of strong operability, good effect, high benefit and capability of being popularized and used in a large scale.

The invention provides a semiconductor device and a preparation method thereof, and an electronic device. The method comprises the steps of providing a semiconductor substrate, and sequentially forming a first semiconductor material layer, a patterned sacrificial layer and a second patterned semiconductor material layer on the semiconductor substrate, wherein the second semiconductor material layer comprises a master chip area and a strip-shaped area positioned on one side of the master chip area, strip-shaped etching liquid barrier layers are formed on two sides of one end, close to the master chip area, in the strip-shaped area; forming a gap wall on the side wall of the second semiconductor material layer; forming coverage layers on the second semiconductor material layer and the gap wall to cover the same; and removing the gap wall and the sacrificial layer under the master chip area by using a wet etching method so as to form a cavity between the first semiconductor material layer and the second semiconductor material layer. According to the method provided by the invention, the problem that the strip-shaped area is suspending can be solved.