377results about How to "Good ventilation" patented technology

The invention discloses environmental-friendly and water-pressure-resistant tent leather and a preparation method thereof. The preparation method comprises the following steps: adding preparations such as a water-based thickening agent, a defoaming agent, a leveling agent and a curing agent into water-based polyurethane resin, and carrying out mixing and vacuum defoaming to form a water-based polyurethane resin slurry surface layer, middle layer and binding bottom layer; and by a processing method with dry-process film transferring, firstly coating release paper with the surface layer, then coating the release paper with the middle layer and the binding bottom layer after drying and cooling, drying till the release paper is in a half-dry state, then attaching base cloth, drying, curing, cooling, stripping the release paper, bundling, and carrying out surface after-treatment, thus obtaining the environmental-friendly and water-pressure-resistant tent leather. The environmental-friendly and water-pressure-resistant tent leather disclosed by the invention has the advantages that the problems of environmental pollution and residue of organic solvents for preparing traditional tent synthetic leather are solved, and the water-pressure resistance, the yellowing resistance, the waterproof effect, the breathable function and the like of the tent leather are improved.

A bicycle saddle has a base frame and a pad covered on the base frame. The base frame has a narrow front portion with a plurality of first lower ventholes and a wide rear portion with a plurality of second lower ventholes. The pad has a plurality of first and second upper ventholes which are arranged in such a way that each upper venthole respectively corresponds to each lower venthole to together define an air channel. Whereby ambient air can flow through the whole areas of the saddle contacting with the buttocks and inner thighs of the cyclist during cycling to provide a better ventilation effect.

A roof vent construction which is comprised of an assembly including a cowl, a base, and a cowl retaining member. These elements provide a structure which provides cover for rain and discourages rain from entering the vent underneath the cowl, but nevertheless allows for suitable ventilation as needed. In one embodiment a configuration is used in which an external baffle is used which air passes before passing underneath a cowl. Once the air is passed underneath the cowl, the air then passes over one and one configuration two internal baffles before the air passes out of a pair of vent cavities defined by the base. In a second configuration, a cowl extends substantially to the leading edge of the construction. Air flows underneath the leading edge of the cowl and then passes over a large internal baffle, over a first small internal baffle, and finally over a second small internal baffle before passing through the vent cavities and out of the structure. Another invention relates to the use of two surface portions on the vent assembly, one surface portion configured to match a first course of tiles and the other surface portion configured to match a second course of tiles adjacent to said first course of tiles.

The invention discloses an intelligent fruit and vegetable controlled atmosphere carrier vehicle, which comprises a headstock, a chassis, an airtight box and a human-computer interaction interface, and also comprises a control system, an air exchange device, a signal acquisition system, a ventilation system, a liquid nitrogen controlled atmosphere system, a humidifying system, a solar charging system, a temperature control unit, a diesel generator and a dampproof device, wherein the chassis is respectively connected with the headstock and the airtight box; the control system is respectively connected with the human-computer interaction interface, the air exchange device, the signal acquisition system, the ventilation system, the liquid nitrogen controlled atmosphere system, a humidifying system, the temperature control unit and the diesel generator; and the diesel generator is respectively connected with the control system, the ventilation system, the humidifying system, and the temperature control unit. The invention also discloses a method for implementing the carrier vehicle. The intelligent fruit and vegetable controlled atmosphere carrier vehicle and the method have the advantages of making the fruit and vegetable fresh-keeping environment more uniform, improving the quality of the fruit and vegetables, prolonging the fruit and vegetable fresh-keeping period and the like.

The subject of the patent application is a self-closing ventilation insert for ventilating textiles, shoes or articles made up of at least two air-permeable layers, an absorber layer arranged between the air permeable layers, coverings above the air-permeable layers and at least one protective element. The absorber arranged in the chambers of the ventilation insert swells when it absorbs moisture and thereby closes the chambers of the ventilation insert to make them impermeable to water and air. When the ventilation insert is dried, the chambers open and become permeable to air again. Furthermore, a method of producing the ventilation insert by injection moulding is described. The ventilation insert according to the invention may be used in a wide variety of areas, both in the clothing sector and in technical areas.

The invention provides a method for producing high-aluminum steel plate blanks. The method comprises the following steps: primarily smelting, wherein in the process, argon serves as bottom blowing gas and the end-point carbon content is controlled to be not less than 0.06 weight percent; strictly controlling the slag discharge amount in the tapping process, performing deoxidation alloying and recarburization on molten steel and slagging; performing ladle furnace (LF) refining, conveying the molten steel to an LF station, and feeding an aluminum wire for the first time while weakly stirring by using the argon; after feeding aluminum for the first time, stirring by using the argon, adjusting the temperature, adding aluminum (Al) particle to diffuse and deoxidize, so as to guarantee white slag operation, and feeding aluminum for the second time; performing Ruhrstahl and Heraeus (RH) vacuum treatment and component fine adjustment on the molten steel after feeding the aluminum for the second time, so as to adjust the Al content to be over 1.5 weight percent and adjust other alloy component content to be within the required range; and injecting the molten steel into a tundish, pouring the molten steel into a plate blank continuous casting crystallizer from the tundish and finishing the continuous casting production to obtain the high-aluminum steel plate blanks.

A roof vent construction which is comprised of an assembly including a cowl, a base, and a cowl retaining member. These elements provide a structure which provides cover for rain and discourages rain and / or debris from entering the vent underneath the cowl, but nevertheless allows for suitable ventilation as needed. One concept relates to the use of a vent structure having a base with ventilation and water / debris channeling features, combined with a cowl that has ventilation features, with the base and vent cooperating to provide particular ventilation paths that provide water drainage. This vent structure may be flat or profiled.

A foam pad includes a base made by foam material and a reinforcement layer is attached to a top of the base and can be made by fabric, and a cork layer attached to a top of the reinforcement layer. The cork layer provides better ventilation feature so as to absorb the user's sweat and provide a dry surface. The foam pad can be easily rolled up.

The invention relates to a functional nylon 66 shell fabric and a manufacturing method thereof. The method is characterized by comprising the steps of 1, raw material selection and distribution, 2, spinning technology, 3, weaving technology and 4, finishing technology after dyeing. The shell fabric has the advantages of being high in yarn fine denier and large in tightness, and being firm in texture, high in tear resistance and good in wear resistance even though tissue is simple plain weaves. The shell fabric can be used for manufacturing a jacket and a wind coat and can also be used for manufacturing sportswear and leisure wear when used as the high-density nylon fabric shell fabric, and the shell fabric is a best-quality shell fabric of a down jacket in the current trend that winter clothing is portable due to the fact that the warp and weft density is higher; the shell fabric is super strong, capable of resisting gigging and resisting coldness, warm, light, soft, fine, smooth, easy to wash, quick to dry, easy to manage and not likely to fade when used as the down jacket shell fabric; energy losses are reduced through light reflection, the warmth keeping effect is achieved, and cells are activated through resonance and generation of heat by friction, so that the health care effect is achieved.

The invention relates to the technical field of an upper vamp, in particular to a sewing-free upper vamp and a manufacture method thereof. The sewing-free upper vamp comprises an upper vamp material, a decorative auxiliary material, a hot melt glue layer and a ventilating layer, wherein eyelet stays are arranged at the upper surface of the upper vamp material, the upper surface of the hot melt glue layer is adhered to the lower surface of the upper vamp material, and the lower surface of the hot melt glue layer is adhered to the ventilating layer. The manufacture method of the sewing-free upper vamp comprises the steps of cutting the upper vamp material into a set shape, coloring the decorative auxiliary material, adhering the decorative auxiliary material to the upper surface of the upper vamp material, coating a layer of hot melt glue film at the lower surface of the upper vamp material, sealing the ventilating layer at the lower surface of the upper vamp material, coating a layer of hot melt glue film at the upper surface of the upper vamp material, and pressing the eyelet stays at the upper surface of the upper vamp material. After the upper vamp and the method is used, a large number of labor cost and time cost caused by running a sewing machine are greatly reduced; and the upper vamp dose not need to be sewed by the sewing machine, so that the working procedures for manufacturing the upper vamp is greatly reduced, and the processing difficulty is reduced.

The present invention provides a method for preparing hot melt microporous fiber. Raw materials comprise water soluble polymer and regular polyester, after being dried, the raw materials are grounded with a plastic grinder into about 80 to 120 mesh microscopic particles, the water soluble polymer and the regular polyester are uniformly mixed in a mixing machine with the ratio of 30-50 percent to 70-50 percent, then the microscopic particles are made into masterbatchs with 3-5 mm particle diameter with a SJSH-30 twin-screw extruder and a XPLQ-100 cold granulating crusher, after being dried, the masterbatchs are prepared into fiber on a spinning machine, after being draft by 1.5 times, the fiber is dissolved in the hot water with 100 DEG C, after being dried, the weight loss rate of the fibers reaches 10 percent, mill pores with 0.5-2 micronpore diameters are distributed on the surfaces and internal parts, and thus the fiber has high water absorbability and air permeability.

The invention relates to a bougainvillea spectabilis cottage technology, in particular to a bougainvillea spectabilis mud matrix cuttage method. The technical scheme is that flower mud special for fresh flower arrangement is cut into cubes with 2.5 cm edges, bougainvillea spectabilis branches are cut into segments ranging from 10 cm to 15 cm, the base portions of the branches are inserted into the flower mud, a distance from the base ends of the branches to the bottom of the flower mud cubes is 1 / 3 of each edge of the flower mud blocks, the flower mud inserted with the bougainvillea spectabilis branches is erected onto river sand with 2 cm thickness and then is covered with river sand, the particle size of the river sand is smaller than 2 mm, the flower mud is watered completely, one-time watering is performed every three days after complete watering, and when new root visible parts penetrating through the flower mud blocks reach 3 cm, cutting seedlings and the flower mud blocks are wholly taken out to be transplanted. The bougainvillea spectabilis mud matrix cuttage method enables the transplanting survival rate of the bougainvillea spectabilis cutting seedlings to reach 100%.

The invention discloses a high-dipping double-layer ore body stage deep-hole mining method, which is especially suitable for recovery of a high-dipping double-layer ore body, wherein the ore rock is stable, the thickness of the lower layer of ore body is more than or equal to 15 m and the thickness of the upper layer of ore body is more than or equal to 8 m. The lower layer of ore body is mined and then the upper layer of ore body is mined, a lower layer of ore body stope is arranged vertical to the direction of the ore body, an ore room and an ore column are recovered in two steps, an upper layer of ore body stope is arranged vertical to the direction of the ore body, and an ore room and an or column are recovered in two steps. Recovery of the upper layer of ore body and the lower layer of ore body is as follows: stage large-diameter deep-hole blasting ore break down is adopted, the ore room is mined, then the ore column is mined, the bottom of 6 to 10 m and the top of 4 to 6 m of a dead zone are filled with high-strength cemented filling bodies after recovery of the ore room and the ore column, the other dead zones of the ore room are filled with the cemented filling bodies, andthe other dead zones of the ore column are filled with low-strength cemented filling bodies or non-cemented filling bodies. The high-dipping double-layer ore body stage deep-hole mining method has theadvantages of high operation safety, small stope preparation cutting engineering quantity, short stope preparation time, high stope production capacity, high efficiency and the like.

The invention provides a seedling growing method for lemons, and belongs to the technical field of agriculture planting. The method adopts a soilless media to perform seedling growing. The soilless media is made of a raw material including, by weight, 180-200 parts of rabbit dung, 60-90 parts of Lentinus edodes slag, 20-30 parts of luffa stems, 40-50 parts of chestnut shells, 20-30 parts of Lygodium japonicum, 20-30 parts of Acorus calamus, 30-50 parts of humic acid, 20-30 parts of composite bacterial strains, 120-150 parts of cotton stalks, 60-70 parts of magnesian waste porcelain powder, and 120-150 parts of attapulgite; and the composite bacterial strains includes Butyrivibrio, Ruminococcus flavefaciens, bacillus megatherium, and Trichodermareesei, wherein the mass ratio of the Butyrivibrio: Ruminococcus flavefaciens: bacillus megatherium: Trichodermareesei is 1-5: 2: 3: 2. The seedling growing method improves a seedling growing media and a seeding growing method of cuttage, can improve the cuttage survival rate and the transplanting survival rate, and can shorten the seedling growing cycle.

The invention provides a good mattress capable of preventing dewing and dispensing, characterized in that: the thermal plasticity resin as the raw material or the main raw material melts to be extruded into lines and a large amount of lines are wounded out of order and welded into annular aggregates of the lines and the aggregates are formed into the plate-like shape and then cooled and solidified, therefore a three-dimensional net structure is formed. The left, right relatively-long side-surfaces have side-surface firmness parts with high apparent density.

The invention relates to a turtle medium-free hatching system and particularly relates to a medium-free hatching method and a device. The turtle medium-free hatching method is as follows: naturally hatching turtle at the temperature of 24-33DEG C under the condition that the relative humidity is 80-90%. The turtle medium-free hatching method and the device, provided by the invention, can be used for overcoming the technical bias of a traditional hatching project, and medium-free hatching method is created and is good in vent ability, constant in temperature and humidity and high in hatching efficiency which approaches 100%; the space is fully utilized, and 10,700 turtle eggs can be contained in per cubic meter; and simultaneously, redundant medium material cost is not needed, and the method is energy-saving, labor-saving, natural, environmentally-friendly and safe and is simple and convenient to operate. The method and the device, provided by the invention, have a remarkable groundbreaking significance, simultaneously provide inspiration for the medium-free hatching technologies of other animals, and have a historical significance.

The invention belongs to the technical field of agricultural ecology and particularly relates to a method for raising fishes in a paddy field. The method comprises the following steps: A, selecting a piece of paddy field: selecting the field with clean water, sufficient water source, convenient irrigation and drainage, good water and fertility retention performance and no drought and flood influence; B, rearranging the piece of paddy field: digging a fish ditch with the depth of 50-80cm and the width of 50-100cm; digging a fish pit with the depth of 1-1.5m and the area accounting for 5-8% of that of the paddy field; connecting the fish ditch with the fish pit; heightening and reinforcing a ridge; forming a water inlet and a water outlet in the corresponding corners of the paddy field; C, raising the fishes: starting to throw fingerlings after rice seedlings turn green 7-15 days after seedling transplantation, wherein the fingerlings are thrown according to a quantity ratio of grass carp to common carp to golden carp of 1 to 1 to 1 and 10-20kg of the fingerlings are thrown per mu; and D, performing raising management. The method is easy to implement and high in fish yield per mu.

The invention provides a medicament for curing oral ulcer, which is characterized in that every 100 g of product comprises the following components by mass: 0.1 to 25 g of chitosan, 70 to 99.8 g of polyvinyl alcohol, and 0.1 to 5 g carboxy methyl starch sodium. The medicament has excellent flexibility, imbibition property and permeability. After use, a protecting film is formed on the wound of the oral ulcer, so as to effectively prevent the foreign objects from contacting the wound and prevent bacteria from invading, promote wound occlusion, avoid wound infection, and relieve the pain during wound occlusion process. In addition, the medicament has excellent biocompatibility and adhesiveness, has the effects of protecting ulcer surface and removing the rotten and letting fresh grow, and is suitable for the oral wounds of oral ulcer, gum erosion, oral mucosa bite wound, etc.

The invention discloses a method for preparing atomized liquid for treating infantile asthmatic suffocating pneumonia. The atomized liquid comprises gleditsia fruit, loquat leaf, European hop flower, Chinese waxgourd semen, common bluebeard herb, platycodon root, red clover, whiteflower hogfennel root and borneol which serve as raw materials. The method is characterized by comprising the following steps of: (1) extracting the loquat leaf, the European hop flower and the common bluebeard herb by a supercritical fluid extraction method to obtain volatile oil; (2) crushing the gleditsia fruit and the borneol into superfine powder; (3) decocting the red clover, the whiteflower hogfennel root, the Chinese waxgourd semen and the platycodon root in water twice, filtering, mixing filtrates, and concentrating at the temperature of 80 DEG C until the relative density is 1.1 to obtain a water extracting solution; and (4) stirring the volatile oil obtained in the step (1), the superfine powder obtained in the step (2) and the water extracting solution obtained in the step (3) uniformly, standing at normal temperature for 12 hours, and filtering to obtain liquid medicine. Clinical experiments prove that the atomized liquid prepared by the method has an obvious treatment effect, and the hospital stays can be shortened.

A 3',4',5-trihydroxystlbene compound for lowering the high tension of arteria pulmonalis and improving respiratory function is disclosed. It includes polydatin (or piceid) and resveratnol prepared by hydrolyzing polydatin.

The invention discloses air-permeable tipping paper. The air-permeable tipping paper comprises an inner layer, an interlayer, an outer layer and at least two adjusting strips; multiple inner through holes are formed in the inner layer, and the inner layer is made of tipping base paper; the interlayer comprises a compact strip located on the left side, a compact strip located on the right side and an air-permeable layer located between the two compact strips, the compact strips are made of the tipping base paper, and the air-permeable layer is made of a sponge; multiple outer through holes are formed in the outer layer, and the outer layer is made of the tipping base paper; each adjusting strip is made by coating a gelatinous layer on the tipping base layer; the two side faces of each compact strip stick to the inner layer and the outer layer respectively, any inner through hole and any outer through hole are not aligned, and the adjusting strips stick to the outer surface of the outer layer in a gluing mode. The air-permeable tipping paper has the advantage that the air-permeable degree is adjustable.

The invention discloses a cardio-pulmonary resuscitation machine with a high-frequency ventilation function. The cardio-pulmonary resuscitation machine comprises a bottom plate, an upright, an external chest compressor, a controller shell, a high-frequency ventilation electromagnetic valve and a high-frequency ventilation air source connector, wherein the upright is arranged on the side of the bottom plate, the external chest compressor is arranged on the upright, the controller shell is mounted at the top end of the upright or on the bottom plate, the high-frequency ventilation electromagnetic valve is mounted in the controller shell, and the high-frequency ventilation air source connector is arranged on the controller shell. An air outlet of the high-frequency ventilation electromagnetic valve is connected with the high-frequency ventilation air source connector through a pipeline, and the high-frequency ventilation electromagnetic valve is electrically connected with a compression ventilation controller in the controller shell. The cardio-pulmonary resuscitation machine has the advantages that on the basis of a conventional cardio-pulmonary resuscitation machine, the open type high-frequency ventilation function is added, so that the cardio-pulmonary resuscitation machine can be switched to use between an intermittent positive-pressure ventilation function and the open type high-frequency ventilation function, application range is broadened, and the cardio-pulmonary resuscitation machine is applicable to emergency treatment of various critical patients with respiratory failure and asphyxia.

The invention discloses a volcanic gravel type flue-cured tobacco seedling substrate and a preparation method thereof. The preparation method of the volcanic gravel type flue-cured tobacco seedling substrate comprises the following steps: mixing the following materials in parts by weight: 2.5-4 parts of volcanic gravels, 2-3 parts of volcanic ash soil, 2-3 parts of corn stalks and 2-3 parts of rice husk, composting and thoroughly decomposing. The volcanic gravel type flue-cured tobacco seedling substrate disclosed by the invention is used for replacing the existing grass carbon-based seedling substrate, and tobacco seedlings cultured by using the volcanic gravel type flue-cured tobacco seedling substrate are similar to or partially superior to the tobacco seedlings cultured by the grass carbon-based seedling substrate on the aspects of the emergence rate, the growth and development of the tobacco seedlings and the like. Since the volcanic gravels and volcanic ash soil used for preparing the volcanic gravel type flue-cured tobacco seedling substrate can be directly obtained from the natural environment and moreover the straws, the rice husk and the like are waste resources, compared with substrate materials prepared from grass carbon and the like, the volcanic gravel type flue-cured tobacco seedling substrate has the advantages of abundant raw material storage capacity, low cost, no generation of wastes and the like and has relatively high social, economic and ecological benefits.

The invention discloses a multifunctional door and window profile with ventilation, noise elimination and heat resistance functions, which comprises a profile body, wherein the profile body is provided with a wind inlet communicated with outdoor air and a wind outlet communicated with indoor air; a ventilating channel communicated with the outdoor air and the indoor air is formed in cavities of the wind inlet, the wind outlet and the profile body; the ventilating channel is internally provided with an air door and a sound absorption module; and the profile body is internally provided with a heat insulating bridge formed by a heat insulating module. The profile body is provided with the wind inlet and the wind outlet which are communicated with the outdoor air and the indoor air so that the door and window profile has the function of ventilation; meanwhile, the profile body is internally provided with a rotatable air door; the air inlet quantity is controlled by adjusting the open degree of the air door; the profile body is also internally provided with the sound absorption module and the heat insulating module; and the ventilating quantity and requirements of people for indoor noise reduction and heat insulation are also met. The multifunctional door and window profile has the advantages of simple structure, low cost and attractive appearance.

The invention provides a medicament for treating rhinitis, which is prepared from Xanthium sibiricum, flower bud of lily magnolia, Schizonepeta tenuifolia and hurricane.

The invention discloses an orchid management cultivation method, and aims to solve problems concerned with orchid planting. Neutral slightly-acidic soil which contains a large amount of humus, is loose and has high water permeability is selected. A place which is well ventilated, contains wet air and is free from environmental pollution is selected; sunlight irradiation is reduced; and the temperature is lowered. All-weather shading is performed from June; after October, fully open maintenance can be performed except noon; and leaves grow well with more shade, and flowers blossom well with more sunlight. Flourishing orchids free from diseases can be fertilized while orchids growing poorly are unsuitable to be fertilized or need to be fertilized slightly. The orchids which are newly planted into flowerpots with roots developing incompletely can only be fertilized 1-2 years later. The orchids are preferably watered with rain water and spring water, and tap water or rice-washing water needs to be used after staying for one night. The orchids are watered from the edges of the flowerpots, and water cannot be sprinkled into buds. The orchids originally grow in a wet air environment, so that spraying needs to be performed at dusk in drought seasons besides provision of a shading condition in order to increase the air humidity and lower the temperature. During cultivation of the orchids, withered and yellow leaves and diseased leaves are required to be cut off frequently to allow for ventilation. If rare orchids grow with excessive flower buds, only robust buds are kept. Spring orchids are picked half a month after blossoming, and the rare orchids are picked seven days after blossoming. Spring leaf buds grow vigorously, so that a basis is laid for better blossoming in next year. Flowerpot soil generally needs to be sterilized to prevent the occurrence of diseases.

The invention relates to a hot-melt adhesive irregular athletic tape. The hot-melt adhesive irregular athletic tape comprises a tape, wherein the tape is uniformly provided with irregular ventilating holes, a hot-melt adhesive layer is formed on the surface of the tape through a mode of steel roller printing transferring and friction roller coating, irregular ventilating holes are formed on the hot-melt adhesive layer due to the rotating speed difference of a steel roller and a friction roller, and thus the ventilating effect is good. According to the hot-melt adhesive irregular athletic tape disclosed by the invention, the problem that the hot-melt tape is airtight can be better solved, a bran-new coating and printing technology is adopted, full coating is replaced by partial coating, the usage amount of an adhesive in unit area is reduced, the production cost of a product is saved, and the good ventilating function of the tape is realized.