1498 results about "Water holding" patented technology

The invention provides a high activity biological water retention alkali oil modifying agent, which is prepared through fully and evenly mixing vegetable stem powder, humic acid, water-loss reducer, carbamide, gypsum, high activity biological agent, sodium ion adsorbent and acid according to certain proportion, adding binding agent which is 0.3-1time of the whole weight of raw material, and granulating in pelleting machine. The high activity biological water retention alkaline earth modifying agent which is prepared by the invention can effectively improve soil aggregate structure, increases the water holding property of soil, can effectively dissociate and absorb metal ion, reduces the components of soil soluble salt, increases soil organic matter and nutrition, and has extremely significant soil modifying effect.

This invention is to provide a plant cultivation mat which can be applied to those existing buildings, and which does not require large amount of time, labor and cost for its laying and removing works, and a method for laying such plant cultivation mat, as well. According to the invention, there is provided a plant cultivation mat, comprising one or a plurality of cells with water-passage ports being perforated in the vicinity of the bottom part thereof, said one or a plurality of cells constituting a mat frame disposed in a depressed form to permit the top part thereof to open, and an inwardly recessed part being formed at the lower required part of the side wall of said cell. When this plant cultivation mat is to be laid, arrangement is made as to forming a space having a required route at the inwardly recessed part of the cell so as to form a space having a required routein the inwardly recessed part of the cell. Before the plant cultivation mat is to be laid on the mat laying surface, a water holding layer is provided beforehand. It is further preferable that, at the time of filling the laying surface with this plant cultivation mat, the space having a required route is formed, and simultaneously water supply pipe is disposed in an arbitrary route in said space.

A polymer electrolyte fuel cell consists of plural units, and the unit has an anode side separator, an anode diffusion layer, an anode catalytic layer, polymer electrolyte membrane, a cathode catalytic layer, a cathode diffusion layer, and a cathode side separator. The cathode catalytic layer further includes a catalyst in which platinum or platinum alloy is supported on a carbon supporting body having an average lattice space d002 of [002] surface of 0.338 to 0.355 nm and specific surface area of the supporting body of 80 to 250 m²/g, electrolyte containing ion exchange resin, and vapor grown carbon fiber. Furthermore, a water holding layer containing ion exchange resin, carbon particles, and vapor grown carbon fiber is arranged at an interface of the cathode diffusion layer and the cathode catalytic layer.

The invention provides a post stressed concrete beam pipe mudjacking agent which is characterized by comprising the following components in percent by weight: 1-3 percent of efficient slushing component, 5-10 percent of early-expanded component, 30-50 percent of middle-late expanded component and 40-60 percent of mineral admixture. The invention also provides a preparation method of the post stressed concrete beam pipe mudjacking agent, which comprises the step of uniformly stirring the components in a stirrer according to the weight percent to obtain the post stressed concrete beam pipe mudjacking agent. The post stressed concrete beam pipe mudjacking agent, cement and water are mixed according to a certain proportion to prepare a mudjacking material to be used for construction. The mudjacking agent has optimal flowing property, excellent water holding property, better compactness, full and uniform structure and good early plastic expanded performance, does not contain additives with corrosion on prestressed reinforcing steel, and has very low chloridion content, better adaptability with various cements and lower sensitivity on temperature and humidity.

The present invention relates to an environment-protecting gypsum base building putty powder, which uses building gupsum as main setting hardening component, and utilizes the composite retarding agent to resolve the problems of that the building gupsum can be quickly set and hardened and single retarding agent can be resulted into large strength loss. Said invention adopts inorganic mineral powder and cellulose ether composition to reduce material cost and improve water-holding property of putty, and adopts water-soluble adhesive powder to raise cohesional strength of building putty, and said environment-protecting type gypsum base building putty powder is a single component solid powder, has no harmful substance, and has good construction property, and said putty surface is fine and smooth.

The invention discloses a water holding slow-controlled releasing fertilizer and a preparation method thereof, belonging to the technical field of agricultural fertilizers and preparation thereof. Macromolecule coating fertilizer is taken as an inner core and a water holding layer is taken as an outside layer to form a double-coating water holding slow-controlled releasing fertilizer; an inner coating is macromolecule protective layer coating material with nutrition controlling and releasing property; an outside coating is the water holding layer with excellent water holding property. Water retention agent suspension liquid is sprayed to the surface of macromolecule coating fertilizer grains for outside coating; wherein the water retention agent is prepared by taking cyclohexane, emulsifier, acrylic acid, acrylamide, sodium hydroxide, cross linker and evocating agent and adopting the method of opposite phase suspension polymerization. The fertilizer has the function of controlled releasing, drought resistance, water saving, water holding and soil improving and the advantages of high absorption percentage, wear resistance, difficult falling and the like; utilization ratio of liquid manure is improved and the fertilizer can be widely used to desert control, lawn plant, soil improvement, gardening, agriculture and forestry and the like.

The invention relates to a water-holding and cultivating functional compound fertilizer, comprising a nitrogen fertilizer, a phosphate fertilizer a potash fertilizer, a trace element fertilizer, a compound amino acid, a soil conditioner, an organic matter and the like. In addition, the invention relates to a preparation method of the water-holding and cultivating functional compound fertilizer. The invention also relates to use of the water-holding and cultivating functional compound fertilizer for improvement of the growth characters and/or yield of crops.

The invention relates to a reclamation method for a sunk paddy field caused by mining in mountainous regions and belongs to the technical field of improvement and utilization of environment, ecology and damaged fields. The method includes: performing topsoil stripping to fissured positions where fissures are created by mining sinking and lead to water leakage of the paddy field; covering water holding materials on fissured areas after topsoil stripping; compacting the covered water holding materials, pouring slurry and standing; performing topsoil backfilling and grinding to the fissured areas after slurry pouring and standing, and flattening to enable the fissured areas to be a whole with pieces of the paddy field around the fissured areas; and irrigating, nourishing and improving the paddy field after backfilling and grinding. By the method, the cultivation land where the fissures are created by mining sinking and lead to water leakage of the paddy field can restore the paddy field utilization mode and reach production level of a normal paddy field as soon as possible, a stable self-maintaining farmland ecological system can be formed, a paddy field protecting system can be formed, soil microbial content can be increased, physicochemical property of soil can be improved, and benign farmland ecological system circulation can be formed.

The invention discloses a washing machine with the drying device. The washing machine comprises a washing machine casing as the whole frame of the washing machine; a water holding drum which is elastically arranged inside the washing machine casing and at the rear end of which a hot air filling opening is arranged; a circular channel which is arranged at the front end of the water holding drum opening, on the front end surface of which a plurality of air suction holes are arranged, and on the outer side wall of which an air exhaust opening is arranged; a rolling drum which can be arranged inside the water holding drum in a rotary way, on the bottom end of which air holes are arranged, and on the side wall of which a limber hole is arranged; a hot air isolating device which is arranged between the rolling drum front end and the water hold drum front end, and used to isolate the air; a dehumidifying device which is arranged in the circular channel; a drying pipeline which is arranged outside the water hold drum; a condensation water pipe one end of which is connected with the circular channel and the other end of which is connected with the front part of the water draining valve. The drying device in the washing machine of the invention can cause the drying high temperature air flow to evenly enter into the space inside the rolling drum from the rear end and the side wall, to contact with the wet clothes inside the rolling drum, and the drying effect is greatly enhanced.

This invention relates to a multifunctional high polymer composite which has the ability of hydrating, water holding and delayed release of chemical fertilizer and its preparation. The feature of the invention is that it is formed formblely by a mixture of high polymer bibulous, delayed release high polymer nitrogenous fertilizer, inorganic phosphate fertilizer, potash fertilizer and polyurethane soft foam. The weight amount of raw materials is that high polymer bibulous 10-40, delayed release high polymer nitrogenous fertilizer 5-20, inorganic phosphate fertilizer 2.5-10, potash fertilizer and polyurethane soft foam 50-51.

The invention relates to a water-bearing capsule and a preparation method thereof. The water-bearing capsule consists of a water-based capsule core and a solid capsule shell wrapping the water-based capsule core, wherein the solid capsule shell consists of a hydrophobic membrane layer, a powder wrapping layer and a modified wax layer from outside in sequentially, and the strength of the solid capsule shell reaches 0.5-2.2kg. The water-bearing capsule can significantly reduce multiple harmful ingredients in smoke, reduces harms of a cigarette, and has the efficacy of improving a cigarette smoking moist feeling; the characteristic odor type can be endowed to the cigarette; in addition, the solid capsule shell of the water-bearing capsule is great in strength and difficult to break, so that stable water holding and quality guaranteeing effects of the cigarette are ensured; and the above benefits have very positive significance in improving the cigarette quality.

The invention relates to an oral nutrition composition for beautifying skin, which contains collagen, hyaluronicacid and vitamin C, wherein the collagen is active small molecule peptide with the molecular weight of 2000-6000Dalton, the hyaluronicacid is sodium salt, zinc salt and kali salt, and the vitamin C is natural or synthesized. The invention overcomes the defects that the collagen can not be absorbed by a human body or hydrolyzed into amino acid because the molecular weight is too big, and most of the collagen loses the beautifying efficacy and the like. Hydroxyproline in collagen peptide is promoted to generate by using the vitamin C through active prolyl hydroxylases, the collagen forms big molecule collagen required by beautifying the skin by crosslinked with the hydroxyproline, the hyaluronicacid is also a better nutrient absorption promoting agent except for special water-holding function and is matched with the vitamin C and the collagen for use, which can achieve more ideal effect of promoting the hyaluronicacid to be absorbed.

The invention relates to a reduction etching liquid for base plates of sheet glass, components percentage by weight of which comprise: hydrofluoric acid holding 5-25%, strong acid holding 5-30% and pure water holding 45-90%. The reduction etching liquid for base plates of sheet glass of the invention is less in volatilization and toxicity. The using rate of the etching liquid is high and etching speed is rapid and stable. Costs of waste liquor treatment and subsequent treatment are low. The etching effect is excellent. Therefore, the invention has wide prospects for application.

The invention relates to a wet sludge drying and incineration processing system. The system comprises a low-temperature pyrolytic reaction device, a centrifuging filtering device, a steam condensation device, a filtrate recovery device and a sludge incineration device; the low-temperature pyrolytic reaction device is used for carrying out low-temperature pyrolytic reaction between wet sludge and saturated steam in order to convert macromolecular organics in the wet sludge into low-molecular organics and destroy a sludge water-holding structure; the centrifuging device is used for carrying out centrifuging filtering to the wet sludge after pyrogenation; the steam condensation device is used for condensing and collecting bled steam converted from saturated steam in the low-temperature pyrolytic reaction device; the filtrate recovery device is used for collecting filtrate produced in the centrifuging device and for collecting condensed fluid from the steam condensation device; the sludge incineration device is used for incinerating semidry sludge after being dehydrated in the centrifuging device and insoluble gas remained in the steam condensation device as fuel. The system also relates to a process for carrying out the processing of wet sludge drying and incineration by adopting the processing system. The system and the process can solve the problem of sludge resource regeneration in a mode of environmental protection, energy conservation, high resource utilization rate and low operating cost.

The invention belongs to the technical field of civil engineering material, specifically relates to a dry-mixed mortar with waste stone dust in stone mining and processing plant as aggregate and filler. The dry-mixed mortar is composed of 0.08-5mm of waste stone dust, 0-0.08 mm of waste stone dust, cement, fly ash, metakaolin, calcium hydroxide and water holding thickening agent; with the dry-mixed mortar of the invention adopted, the waste stone dust accounting for 55-75% of the weight of the mortar product can be recycled, thus being environmentally friendly and ecologically friendly. The dry-mixed mortar of the invention not only makes good use of waste material but also features good environmental protection; in addition, the mortar features good water retention rate, fine Constructability, high index of strength and durability, low shrinkage factor and certain crack-resistant property. With all the advantages, the product of the invention can be widely applied to plastering, masonry and land disposal of civil engineering projects of all types.

The invention relates to a formula of etching liquid of anti-dazzle glassware and an etching process. Raw materials of the formula proportion by weight comprise: ammonium fluoride holding 17-24 parts or ammonium hydrogen fluoride holding 8.5-12 parts, ammonium sulfate holding 2.5-3 parts, potassium sulfate holding 2.5-3 parts, calcium fluoride holding 2.5-3 parts, sulfuric acid holding 8-12.5 parts or hydrochloric acid holding 24-37.5 parts and water holding 60-75 parts. The process comprises: (1) weighing the raw materials according to the formula of the etching liquid, then mixing, uniformly stirring and ageing to formulate the etching liquid, (2) rinsing and drying pre-etched glass by organic solvent mixed by glycerol, (3) shielding one face of the rinsed glass needing not be etched and (4) immersing the glass in the formulated etching liquid for soak, then taking out the glassware and preparing anti-dazzle glass finished products after washing by clear-water and drying. The invention has the advantages of simple process, easy operation, labor saving, subtle granular surface of the prepared glassware, high penetration rate, good anti-glare effect, durable service and the like.

The invention relates to a preparation method of porous dressing of a silk fibroin-calcium alginate biological wound in the technical field of skin care products and medical apparatuses and instruments. The preparation method specifically comprises the steps: dissolving fibrous silk fibroin formed after a silkworm cocoon is degummed, filtering, dialyzing and concentrating so as to obtain silk fibroin water solutions with different weight concentrations; mixing deionized water and calcium alginate with a defined amount of silk fibroin solution, placing the obtained gelatinous solution in an environment with a normal temperature to obtain a gel film, freezing and drying the gel film to obtain the porous dressing of the fibroin-calcium alginate biological wound. The excellent biocompatibility is realized; the deionized water and the calcium alginate in the raw materials are both natural active materials, are used commonly used for the health-care food industry without stimulation on the skin, and are good in hygroscopicity and water-absorbing quality; the silk fibroin and the calcium alginate both have the high water holding rate property, thereby being relatively good in affinity property on the skin.

The invention discloses a self-cleaning method for a fully automatic washing machine, comprising five steps of detecting, judging, displaying, cleaning and discharging water. A device for implementing the method comprises a washing machine housing, a dehydrating barrel, a water holding barrel, an electric motor, a water inlet valve, a water discharging valve, a water discharging pipe and a computer control panel, wherein the computer panel comprises a computer memory chip, a push button switch and a display, the inner wall of the water holding barrel is provided with a photoelectric sensor, the inner wall and the bottom of the water holding barrel are provided with a plurality of water injection holes, each water injection hole is communicated with the water inlet valve through a flexible pipe, the computer control panel also comprises a buzzer, a detecting switch and a cleaning switch, and the photoelectric sensor and the water inlet valve are in electric connection with the computer control panel. The self-cleaning method of the fully automatic washing machine and the application of the device thoroughly remove the dirt and line cuttings inside the washing machine.

The invention discloses a synthetic method for gel-based water-retained slow-release urea fertilizer, mainly comprising the following steps: 1) acrylic monomer is neutralized with 20% potassium hydroxide solution, obtaining a mixed monomer solution with twenty-five percent neutralization degree; 2) the mixed monomer solution is gauged and added into an aqueous urea, forming a polymerization mixed liquid; 3) a cross-bonding agent is added on the condition of heat-preservation stirring, and then a radical initiator is added after agitating the awaiting cross-bonding agent to dissolve; 4) a water gel is generated when the of polymerization is generated on the condition of heat-preservation stirring; 5) the gel-based water-retained slow-release urea fertilizer is crushed, dried, grinded, screened and packed. The synthetic method for gel-based water-retained slow-release urea fertilizer has the advantages of no-use of organic solvent, no solvent recovery problem, simple craft and lower cost.

The invention provides an anti-disturbance concrete and a preparation method thereof. The raw material of the anti-disturbance concrete comprises the following components in part by weight: 100 parts of cement, 10 to 100 parts of fly ash, 1 to 40 parts of other mineral admixture, 1 to 10 parts of anti-disturbance additive, 1 to 6 parts of polycarboxylic acid water reducer, 190 to 480 parts of fine aggregate, 200 to 480 parts of broken stone and 30 to 80 parts of water. In the invention, the drawbacks of common concrete, such as low early strength and long initial setting and final setting time interval, can be overcome by optimizing a mixing ratio and using the polycarboxylic acid water reducer with high water reduction rate, high water holding performance and early strength as well as the mineral admixture and the anti-disturbance additive in combination; and the early disturbance resistance, cracking resistance and durability of concrete are improved greatly.