46results about How to "Block incoming" patented technology

The invention relates to a method for planting strawberry. The method is characterized by comprising the following steps of: (1) cultivating strong seedlings generally at the end of March to the beginning of April; (2) measuring soil, applying a fertilizer, deeply turning the soil, leveling the soil, and mixing uniformly; (3) finely making ridges, and absorbing water till saturation; (4) performing cultivation and detoxification on the strawberry seedlings; (5) performing transplantation generally at the end of August to the beginning of September; (6) spreading weeping pipes in October, covering a mulching film and a greenhouse film, and controlling the temperature of a greenhouse to be between 25 and 28 DEG C at the budding stage, between 24 and 26 DEG C at the flowering and fruiting stage and not less than 5 DEG C at night; (7) reasonably performing topdressing, and introducing bees at the beginning of flowers to pollinate; (8) fermenting rice chaff in the soil, and preventing and controlling diseases and insect pests; and (9) picking when 80 to 90 percent of strawberry fruits are red. The strawberry planting method is reasonable and scientific, has remarkable prevention effect on strawberry cultivation, and can increase the yield of the strawberry.

The invention belongs to the planting technology of crops and relates to a method for treating the soil of a continuous cropping field of greenhouse strawberry. The method includes the following steps: a. plants are pulled out as soon as the harvest of the greenhouse strawberry is finished during May to July every year and ground surface covering materials like black plastic film, etc. are removed; b. green bran, the glume of which is removed, is scattered, the amount is 500-750 kg per mu, and the rice bran is evenly mixed into the soil by adopting mechanical and manual method for intertillage weeding; c. surrounding ditches around the greenhouse and the interior of the greenhouse are fully irrigated with water, and the soil in the greenhouse becomes saturated by absorbing water; d. the field surface in the greenhouse is covered with undamaged plastic film, the soil around the plastic film is firmly pressed to prevent air from entering until August to September when strawberry is to be planted. The method can eliminate the obstacle of continuous cropping of strawberry, causes no pollution to the environment, and provides better organic fertilizer for the growth of strawberry, thus having good comprehensive economic benefit.

Construction features of roadbed are as follows: building vent-pipes perpendicular to direction of roadbed in certain depth of road embankment; installing ventilating units of automatic controlling temperature at end part of vent-pipe; setting up thermal-protection material between vent-pipes / entire up part of vent-pipes with earth material being covered and tamped. The said automatic controlling ventilating units carries out heat exchange between inside roadbed and airflow in low temperature outside. The thermal-protection material protects ever frost effectively. Thus, the invention prevents frost heave and thaw collapse caused by season change so as to keep stability of roadbed in high level. The invention solves issue of carrying construction in zone of frozen earth.

The invention relates to a preparation method of cold black suiting. In the suiting, 52% of polyester fiber and 48% of polyester fiber by weight are used as raw materials; and the suiting is prepared by top dyeing and recombing, spinning, weaving and after-treatment. The method comprises the following steps of: before dyeing wool, performing pretreatment on wool; adjusting the pH value with alkali to adjust the wool to a neutral state; dyeing, wherein the dye adopts a Nylosan dyeing agent produced by the Clariant cooperation, the dyeing is started at 40 DEG C, and the temperature is increased to 100 DEGE C and kept for 60 minutes before after-treatment; performing cold black auxiliary treatment on the dyed wool, wherein the cold black auxiliary is the CWF cold black auxiliary produced by the Clariant cooperation; performing a dip dyeing technology, heating to 100 DEG C, and treating for 45-55 minutes at the temperature; and cleaning with an efficient cleaning agent ND-9 produced by the Nigeria Mita Auxiliaries Co., Ltd., Jiangyin. Through the invention, the prepared cold black suiting has good color fastness and low ultraviolet transmittance and is cool and suitable for summer.

The invention provides a vehicle connection portion noise reduction and protection device of a high-speed motor train unit, wherein the device is arranged at the periphery of the train windshield of the high-speed motor train unit along a windshield circumferential position. The device comprises a pair of device installation seats and a pair of flexible elastic absorbers, wherein the elastic absorbers are butted with each other and are symmetrically distributed along the contact surfaces of the elastic absorbers; fracture surface external outlines of the elastic absorbers are protruded to theexternal side of a vehicle; the pair of device installation seats are directly or indirectly fixed at the end parts of front and back sections of the vehicle respectively; and the elastic absorbers are fixed on the installation seats. The device has the advantages of restraining the air power passing through the external side of the train windshield, reducing the noise in the train, improving theriding comfortableness of passengers, protecting the train windshield and prolonging the service life of the windshield.

The invention relates to a preparation method of a heat insulation material and the heat insulation material prepared by the method. The preparation method comprises the following steps: (1) preparation of a scouring-resistant fiber matrix: superposing first fiber cloth and a first fiber net tire and carrying out needling to form a lower fiber preform; keeping superposing a second fiber net tire and carrying out needling to form a middle fiber preform on the lower fiber preform; keeping superposing at least one layer of third fiber cloth and a third fiber net tire and carrying out needling, spraying 5-15 g / cm<2> of a surface reinforcing material containing a ceramic filler and a phenolic aldehyde binder during needling of the different layers to form an upper fiber preform; sewing the lower fiber preform, the middle fiber preform and the upper fiber preform by using fibers, and carrying out solidifying to obtain the scouring-resistant fiber matrix; (2) preparing an ablation composite material precursor; and (3) compounding. Due to existence of an aerogel material with an integral structure, the integral heat insulation performance of an ablation material is excellent, and due to existence of the ceramic filler, the surface of the ablation material has high erosion resistance.

The invention discloses a wearable air conditioning suit based on a bionic honeycomb structure. A throttling device of the wearable air conditioning suit is respectively connected with a condenser and an evaporator; a miniature compressor is respectively connected with the condenser and the evaporator; the evaporator is also connected with a miniature water pump and a honeycomb structural pipeline, and the miniature water pump is connected with the honeycomb structural pipeline through a small water storage tank; a lithium ion battery pack is connected with a controller; the throttling device adopts a capillary pipe with the diameter of 0.5-0.8mm; a wearing assembly is divided into a plurality of layers; a comfortable layer, a breathable layer, a heat insulation layer and a surface layer are sequentially arranged from inside to outside; the evaporator adopts a plate heat exchanger; a pipe network of a water cooling system is distributed in a net shape by using a honeycomb structure; the condenser adopts a parallel flow heat exchanger; and a small fan is parallel to the parallel flow heat exchanger. By using the wearable air conditioning suit, the temperature of a microenvironment in the suit is maintained within the range of + / -1.5 DEG C based on the temperature set by a user, and therefore, a comfortable microenvironment inside the suit is provided for a human body.

The invention relates to a coal mine low concentration gas methane destroying method and a device thereof. The method comprises the following steps automatically carried out by the coal mine low concentration gas methane destroying device: (A) electrifying an oxidizing bed, and starting and heating the oxidizing bed to be at least 800 DEG C; (B) inputting coal mine low concentration gas methane into the oxidizing bed, carrying out the rapid reaction of methane and oxygen, and releasing heat; (C) storing the heat, and maintaining and continuing the reaction; (D) discharging clean waste gas out of the oxidizing bed after the reaction; (E) switching the direction, and inputting the coal mine low concentration gas methane into the oxidizing bed again so as to carry out an oxidization reaction and release heat; and (F) storing and outputting redundant reaction heat, and repeating the steps (B)(C)(D)(E)(F). The device comprises a switch valve mechanism, the oxidizing bed, a recovery valve mechanism, a gas inlet system and a process detection and control system. The switch valve mechanism and the oxidizing bed are assembled together and are integrated with the recovery mechanism and the gas inlet system into a whole. The method and the device are characterized by energy conservation, environmental protection, high efficiency, safety, and rapid and thorough reaction, and mainly applied to the coal mine low concentration gas methane destroying process project or similar projects.

The invention discloses a wearable air conditioning garment based on micro refrigeration. A condenser of the wearable air conditioning garment is connected with an evaporator through a throttling device. A micro compressor is connected with the condenser and the evaporator. A lithium ion battery pack is connected with a controller. A capillary tube is adopted in the throttling device. A wearing assembly is composed of multiple layers which include the comfort layer, the breathable layer, the heat insulation layer and the surface layer from inside to outside in sequence. A capillary tube net is adopted in the evaporator. The capillary tube net is arranged between the breathable layer and the heat insulation layer, and is of a water collecting and dividing structure, and the upper end and the lower end of the wearing assembly are each provided with a circle of collecting pipeline. A plurality of linear flexible copper tubes are arranged between the upper collecting pipeline and the lower collecting pipeline at intervals. An evaporator inlet is located below an evaporator outlet, the evaporator inlet is connected with the throttling device, and the evaporator outlet is connected with an air inlet pipeline of the micro compressor. Direct evaporation refrigeration of refrigerating fluid is adopted, the system structure is simplified, a system is more compact and lighter, the loss of cooling capacity is reduced, and energy efficiency is improved.

The invention relates to ocean engineering and discloses a gate type seawall. The gate type seawall comprises a plurality of seawall body structural units (12), wherein each of the seawall body structural unit (12) comprises a pile foundation (1) arranged underwater and a truss (3) arranged above the pile foundation (1), the truss (3) is provided with a support (7) wherein a rotating shaft (6) is arranged, and a gate (5) is arranged on the rotating shaft (6) and is controlled to open and close through a crane (10). The gate type seawall can give consideration to advantages of a solid dyke and a hollowed dyke; the gate is in an opened state under a daily sea state, the gate type seawall is equivalent to the hollowed dyke, can block part of daily moderate seas, has little influence to a tidal current field and cannot increase sediment deposition in ports; and the gate is closed during an extreme sea state, the gate type seawall is equivalent to the solid dyke, can effectively block rough seas generated during the extreme sea state from entering into a port region, thereby ensuring the safety of ships and personnel in the ports.

The invention relates to a solar seawater desalination device based on gas-liquid interface heating and an application thereof. The device comprises a container for storing seawater, a heat-insulatingblock clamped on the inner wall of the container, a water absorbing material arranged on the heat-insulating block, a black light-absorbing material adsorbed on the water-absorbing material, and a water-absorbing mechanism for transporting seawater to the water-absorbing material. The device can improve the speed of solar seawater desalination.

The invention discloses a high-temperature-resistant high-infrared-emission passive radiation cooling structure and a cooling method. According to the high-temperature-resistant high-infrared-emissionpassive radiation cooling structure, polystyrene is dissolved in tetrahydrofuran, after the polystyrene is completely dissolved, pure water is added, and then a precursor solution is obtained; the tetrahydrofuran is evaporated, the polystyrene is separated from water and forms micropores, and then a cooling material layer is formed; the cooling material layer is attached to the surface of a heatconducting material layer; the cooling material layer is covered with a covering layer; a heat insulation cavity layer is formed between the cooling material layer and the covering layer; the heat conducting material layer, the cooling material layer, the heat insulation cavity layer and the covering layer form the passive radiation cooling structure; the heat conducting material layer makes contact with a cooled body, the covering layer is exposed in the outdoor environment, and the cooling material layer emits the heat of the cooled body in an infrared ray manner and reflects transmitted sunlight back. The high-temperature-resistant high-infrared-emission passive radiation cooling structure can provide passive type cooling for some occasions and equipment and achieves the cooling function.

The invention relates to a steering shaft dustproof cover of an automobile steering system, comprising an upper cover and a lower cover; the middle of the upper cover and the lower cover is provided with a hole sleeved with a steering shaft sleeve; wherein, the upper cover is a rubber part and the lower cover is made of hard plastic; the lower part of the upper cover is provided with a connecting neck ring inserted into the lower cover; the upper edge of the connecting neck is uniformly provided with at least two buckles; correspondingly, at least two humps are arranged on the upper edge of the lower cover; furthermore, the upper cover is internally embedded with a vibration reduction soft pad ring which can further prevent the vibration and more effectively prevent the noise in a starting cabinet from entering the cab. The steering dustproof cover can ensure right position and convenient installation when the steering shaft dustproof cover and the steering device shell are installed; furthermore, the invention has good dustproof and sound insulation effect without the phenomena of position transformation and dropping, etc. in application process.

The invention provides reflecting waterborne heat-insulating coating and a preparation method thereof. The reflecting waterborne heat-insulating coating comprises an emulsion, a functional filler, a dispersant, a defoaming agent, a thickener, a film-forming aid, an anti-freezing agent, a pH regulator, a preservative and the balance of water. The functional filler is hollow glass microsphere / titanium dioxide film composite, having core-shell structure; titanium dioxide film is 0.3-0.7 mu m in thickness; titanium dioxide exists in anatase form, and has a coating quantity by weight of 5-25%. Thereflecting waterborne heat-insulating coating prepared herein has good uniformity, has high sunlight reflecting rate, and has small heat conductivity coefficient, good performance stability and excellent heat insulation.

The invention discloses a grading porous passive type radiation-cooling structure based on bio-plastic and a cooling method. The cooling method comprises the steps that cellulose acetate is dissolvedin acetone, purified water is added after complete dissolution, and a precursor solution is formed; the precursor solution is put into a container, acetone evaporates, the cellulose acetate is separated from water, micropores with varying diameters are formed in the cellulose acetate, and a cooling material layer is formed; the cooling material layer is attached to the surface of a heat transfer material; the cooling material layer is covered with a layer of material plate with high light transmittance, and the layer of the material plate is adopted as a covering layer; a heat insulation cavity body layer is formed between the cooling material layer and the covering layer; and the passive type radiation-cooling structure is formed by the heat transfer material layer, the cooling material layer, the heat insulation cavity body layer and the covering layer, the heat transfer material layer is in contact with cooled bodies, the covering layer is exposed in the outside, and it is guaranteed as much as possible that no shelter exists above and on the periphery of the cooling structure. According to the grading porous passive type radiation-cooling structure, passive type cooling can beprovided for some occasions and equipment, and the structure plays a cooling part.

The invention relates to a method for reducing disadvantageous temperature effect on a main girder structure of a bridge and a deck pavement structure. The method is characterized by increasing a thermal insulation material layer between pavement layers or adding corresponding thermal insulation materials into each pavement layer to reduce or block the heat transfer between the main girder structure of the bridge and the deck. The method can reduce the gradient temperature loads of the main girder structure of the bridge, reduce the construction or maintenance cost of the bridge, and prolong the service life of the bridge structure.

The invention provides a rear door sealing structure of a vehicle and the vehicle. The rear door sealing structure comprises a side wall plate, a rear door and a sealing strip, wherein the side wall plate comprises a side wall inner plate and a side wall outer plate, and the edge of the side wall inner plate and the edge of the side wall outer plate are attached to form a door seam allowance; therear door comprises a rear door inner plate and a rear door outer plate, and the edges of the rear door inner plate and the rear door outer plate are attached and connected in an edge covering mode; the sealing strip is arranged adjacent to the door seam allowance and elastically deforms when the rear door is closed; the rear door sealing structure further comprises an additional sealing strip arranged between the side wall outer plate and the rear door inner plate, and the additional sealing strip is adjacent to the edge of the rear door and provided with a lip edge matched with the wall outer plate or the rear door inner plate for elastic deformation. The additional sealing strip is arranged between the side wall outer plate and the rear door inner plate, the NVH performance of the wholevehicle can be better improved, and finally the comfort of a driver and passengers is improved.

The invention relates to the technical field of house furniture, in particular to air purification of residence bedrooms, and particularly discloses an intelligent indoor air exchange device. The intelligent indoor air exchange device comprises a low-noise reversible fan, a corrugated hose, an air supply straight pipe, a protection shell, a fan cover, a fixed CO2 concentration detector and a controller. The fixed CO2 concentration detector can monitor the concentration of CO2 in indoor space in real time and transmit the CO2 concentration value to the controller. An air exchange upper limit of the CO2 concentration value is set in the controller. When the CO2 concentration value from the fixed CO2 concentration detector is higher than the air exchange upper limit, the controller starts the low-noise reversible fan for indoor air exchange. According to the intelligent indoor air exchange device, timely and effective indoor air exchange can be carried out, air entering the indoor space can be effectively purified, organic waste gas can be decomposed, and the indoor air cleanliness and indoor environment comfort can be guaranteed; and quietness of the indoor space can be kept, and the effects of energy saving and environment friendliness can be achieved.

The invention discloses a convenient isolating device for directed hybrid pollination of a plant. The device comprises an upright column, a hanging frame and a pollination sleeve, wherein the upright column is a hollow rod body; a plurality of small holes with different heights are formed in the upper part of the upright column; one end of the hanging frame is bent to be inserted into one of the small holes, and an open circular ring is arranged at the other end of the hanging frame; the pollination sleeve comprises an upper circular ring, a lower circular ring and a barrier paper / film; a proper interval exists between the upper circular ring and the lower circular ring; the barrier paper / film coats the upper circular ring and the lower circular ring and is fixed to the exteriors of the upper circular ring and the lower circular ring, so that the pollination sleeve is shaped like a cylinder which has a closed upper end and an open lower end and is internally provided with an accommodating space; a connecting piece is fixedly arranged at the upper end of the pollination sleeve; the pollination sleeve is connected with the open circular ring of the hanging frame through the connecting piece. The device is simple in structure, and convenient to use and move, and the construction cost and the use cost can be reduced; moreover, the device is high in air permeability, is used for enabling an outdoor plant to grow in a natural environment so as not to influence the normal growth of the plant, can effectively prevent the entry of foreign pollen, and is superior to a conventional bagging method in terms of directed hybrid effect and reliability.

The invention discloses a wearable air conditioning garment based on micro refrigeration. A condenser of the wearable air conditioning garment is connected with an evaporator through a throttling device. A micro compressor is connected with the condenser and the evaporator. A lithium ion battery pack is connected with a controller. A capillary tube is adopted in the throttling device. A wearing assembly is composed of multiple layers which include the comfort layer, the breathable layer, the heat insulation layer and the surface layer from inside to outside in sequence. A capillary tube net is adopted in the evaporator. The capillary tube net is arranged between the breathable layer and the heat insulation layer, and is of a water collecting and dividing structure, and the upper end and the lower end of the wearing assembly are each provided with a circle of collecting pipeline. A plurality of linear flexible copper tubes are arranged between the upper collecting pipeline and the lower collecting pipeline at intervals. An evaporator inlet is located below an evaporator outlet, the evaporator inlet is connected with the throttling device, and the evaporator outlet is connected with an air inlet pipeline of the micro compressor. Direct evaporation refrigeration of refrigerating fluid is adopted, the system structure is simplified, a system is more compact and lighter, the loss of cooling capacity is reduced, and energy efficiency is improved.

The invention provides a vehicle connection portion noise reduction and protection device of a high-speed motor train unit, wherein the device is arranged at the periphery of the train windshield of the high-speed motor train unit along a windshield circumferential position. The device comprises a pair of device installation seats and a pair of flexible elastic absorbers, wherein the elastic absorbers are butted with each other and are symmetrically distributed along the contact surfaces of the elastic absorbers; fracture surface external outlines of the elastic absorbers are protruded to theexternal side of a vehicle; the pair of device installation seats are directly or indirectly fixed at the end parts of front and back sections of the vehicle respectively; and the elastic absorbers are fixed on the installation seats. The device has the advantages of restraining the air power passing through the external side of the train windshield, reducing the noise in the train, improving theriding comfortableness of passengers, protecting the train windshield and prolonging the service life of the windshield.

The invention provides an ear muffle and a helmet adopting the same. The ear muffle comprises a sheath; the sheath is provided with a first surface and a second surface which are arranged oppositely;a groove fit with a human ear is formed in the first surface; the sheath is a protein leather sheath and has a hollow structure; a soft pad, a liner, a sealing pad and an ear casing are arranged in the sheath; the soft pad and the liner are annularly distributed in the sheath; the soft pad is arranged near the first surface; the soft pad is a silicon phosphorus ester soft pad; the liner is arranged near the second surface; the soft pad is contacted with the liner; the sealing pad is arranged on the bottom surface of the first surface; the sealing pad is connected with the annular soft pad; theear casing is arranged in an accommodating space which is formed by the sealing pad, the soft pad and the liner in an enclosing way, and is wrapped by the sealing pad, the soft pad and the liner; theear casing and the sealing pad form a semi-circular accommodating cavity in an enclosing way; the accommodating cavity is used for accommodating the human ear; and a sound signal transmission deviceis arranged in the ear casing. The ear muffle can solve the problems of low wearing comfortability and low sound leakage resistance in the prior art.