43results about How to "Improve the space environment" patented technology

The invention provides a self-service vehicle renting management system and a self-service vehicle renting management method. The management system is based on technologies in terms of GPS (global positioning system)/GSM (global system for mobile communication) positioning systems, mobile communication systems, the internet, IC (integrated circuit) cards and the like. Self-service vehicle renting is realized by the aid of the management system and the management method, a user can use a user IC card stored with information including an identity card, a driving license, fingerprints and pre-stored fee to rent, transfer and return any vehicle in any one renting and returning (parking) lot within a network coverage range at any time and in any places, electronic money real-time settlement and any-time recharging are realized, and accordingly vehicle renting, returning and settlement are convenient, fast, safe and reliable. The self-service vehicle renting management method can be carried out nationwide, the user can rent a vehicle, return the vehicle, recharge and settle accounts in management centers of various cities only by the aid of the user IC card, and accordingly the vehicles are rented and returned highly freely temporally and spatially.

The invention relates to an impact reducing tail-section linear explosion separating device for a small-diameter assisted takeoff rocket. The impact reducing tail-section linear explosion separating device comprises a detonator, a split type detonating connector, an impact reducing shell, an explosive fuse, a glass protective cover and energy absorption pads. The split type detonating connector comprises a detonating mounting seat, transition studs and an explosion connector, the impact reducing shell comprises an upper shell, impact reducing pads and a lower shell, and a particular connection relation includes that the impact reducing pads are placed between an end frame of the upper shell and an end frame of the lower shell and are fixedly connected with the upper shell and the lower shell by the end frame of the upper shell and the end frame of the lower shell; an outer mounting surface of the protective cover and the inner surface of the lower shell are matched with each other to be radially positioned, and a positioning ring of the protective cover and a positioning surface of the lower shell are matched with each other to be axially positioned; the explosion connector is connected with the protective cover and the lower shell, the detonating mounting seat is mounted on the end frame of the upper shell, lower threaded rods of the transition studs are screwed into the explosion connector, and upper cylinders of the transition studs are connected with the detonating mounting seat. The impact reducing tail-section linear explosion separating device has the advantages that the separating device is small in structure dimension, convenient to mount and check and high in separation efficiency and safety performance, and has an excellent heat environment, and separation impact can be greatly reduced.

The invention provides a poly(lactic-co-glycolic acid)-based growth factor gradient release microsphere stent. The microsphere stent is prepared by a method comprising the following steps: firstly, preparing a poly(lactic-co-glycolic acid) (PLGA) homogeneous microsphere and a transforming growth factor (TGF)-beta3 and bone morphogenetic protein (BMP)-2/PLGA microsphere; dispersing the two microspheres into ddH2O to prepare suspension; injecting the suspension into a die with a filter device at the bottom; filtering by adopting the ddH2O, and regulating the position of the ddH2O in the die; accumulating the microspheres in the die; and sintering the microspheres by adopting absolute ethanol. According to the microsphere stent prepared in the invention, the original excellent biocompatibility of the PLGA is maintained, and the mechanical performance, osteochondral induction effect and seed cell carrying capability of the microsphere stent are remarkably improved. The microsphere stent has excellent biocompatibility, can carry an enough amount of seed cells, and is used for treatment of osteochondral defects caused by tumors, trauma, severe sepsis, congenital malformation and other various diseases.

The invention provides a shrimp, rice and brassica rapa continuous cropping ecological circulatory farming new mode. The shrimp, rice and brassica rapa continuous cropping ecological circulatory farming new mode is characterized in that after finish of shrimp farming and shrimping in a rice field, one-season high-quality rice is planted in an organic planting mode, one-season brassica rapa is planted after harvesting of the rice, the sowing time of brassica rapa is well adjusted to ensure that brassica rapa mosses can be harvested for 1-2 times before water cray culture on parcels of the rice field in mid-March of the next year, residues left after harvesting of the brassica rapa mosses serve as cray feeds, and residues left after eating of crays serve as green manures. According to the shrimp, rice and brassica rapa continuous cropping ecological circulatory farming new mode, the resources of shrimp and rice farming and planting field parcels are fully utilized, the problem that by adoption of a common shrimp and rice farming and planting mode, the field parcels are idle for about three months from the time after rice harvesting to the time before water supply for the field parcels of the next year is solved, the field parcel resources are fully utilized and the multiple crop index is increased. The shrimp, rice and brassica rapa continuous cropping ecological circulatory farming new mode is high in benefit, low in production cost and high in field parcel utilization ratio, forms a virtuous ecological cycle, and is a green, environment-friendly and low-carbon rice and shrimp planting and farming new mode.

The invention discloses a position selection method for observing and tracking a small body based on a Sun-Earth libration point, which belongs to the technical field of aeronautics and astronautics. The method comprises the following steps of: acquiring five dynamic libration points by a three-body system consisting of space observation spacecrafts, the Sun and the Earth; selecting a qusi-periodic orbit near the L2 point as the location point of the first space observation spacecraft; and selecting the L4 point and the L5 point as the location points of the second space observation spacecraft and the third space observation spacecraft so as to construct the observation network of the three space observation spacecrafts to observe and track the small body in combination. In comparison to the prior art, the method provided by the invention can observe and track the small body for a long period, and has the advantages of good stability, less energy consumption for keeping the positions of the spacecrafts, long observation and tracking arc segments, and so on.

The invention provides a plant cultivation medium. The plant cultivation medium is prepared by the following components, by volume percentage, 10 to 15 % of eggshell powder, 10 to 15 % of organic fertilizer, 25 to 35 % of grass carbon and 45 to 55 % of vermiculite. The invention also provides a preparation method and applications of the plant cultivation medium. The preparation method of the plant cultivation medium is low in artificial feed preparation cost, simple in operation and strong in practicability. The plant cultivation medium has the advantages of being rich in nutrient element such as nitrogen, phosphorus, potassium, calcium and magnesium, providing nutrients for plants required for growing at all stages, enabling seeds to rapidly sprout and root; being good in heat preservation and moisture preservation performance and applied to root protection covering, effectively improving the plant diseases and insect pests resistant capability and enabling the plants to grow healthily and rapidly due to the fact that the chicken manure fermented organic fertilizer contains biological bacteria floras; enabling poultry cultivation rubbish to be processed in a batch and providing a path for reducing emission and generating income of culture industries.

The invention belongs to the technical field of rolling curtain cloth tools, and particularly relates to a wide waterproof shading rolling curtain cloth. The wide waterproof shading rolling curtain cloth disclosed by the invention is characterized by comprising a cloth layer, wherein one side of the cloth layer is provided with a colour mixing layer, and the other side of the cloth layer is provided with a bottom layer; the bottom layer is provided with an isolated layer, and the isolated layer is provided with a surface layer. The wide waterproof shading rolling curtain cloth provided by the invention has the advantages that the light can be completely shaded, a part of energy is also absorbed, the effects that the temperature transfer is reduced, sound is absorbed and heat is isolated are achieved, and the space environment is effectively improved.

The invention relates to a working method of steam kitchenware, which comprises the following steps of: after the steam kitchenware is started, adjusting steam discharge working parameters in the steam kitchenware according to acquired environment humidity data outside a space where the steam kitchenware is positioned and an air circulation state of the space where the steam kitchenware is positioned. The working method of the steam kitchen ware can actively adjust the working parameters of the steam kitchen ware so as to reduce the negative influence of the steam kitchen ware on the humidityof the space environment. The invention further relates to a working system of the steam kitchen ware applying the method, the working system comprises: the steam kitchen ware, whrein a controller anda draught fan used for discharging steam are arranged in the steam cooking utensil, and the draught fan is electrically connected with the controller; a humidity sensor which is in communication connection with the controller and used for detecting the environment humidity outside the space where the steam kitchen ware is located; an opening and closing sensor which is arranged on the window and/or the door of the space where the steam kitchen ware is located and is in communication connection with the controller, and a user detects the opening and closing state of the window and/or the door.

The invention discloses a novel fragrance device. The novel fragrance device comprises a device shell provided with a first air inlet hole and an air outlet hole, at least two perfume boxes, a flow guiding assembly and a drainage fan, wherein the at least two perfume boxes, the flow guiding assembly and the drainage fan are arranged in the device shell in a matched mode; and the flow guiding assembly is provided with at least two groups of air inlet channels and air outlet channels which are disposed in pairs, one ends of each group of the air inlet channel and air outlet channel separately communicate with the corresponding perfume box, the first air inlet hole in the device shell selectively communicates with the other end of each group of air inlet channels, and the air outlet in the device shell selectively communicates with the other end of each group of air outlet channels. The novel fragrance device is provided with the at least two perfume boxes for storing a perfume source with different fragrance flavors, under the action of the flow guiding assembly and the drainage fan, air can pass through the corresponding air inlet channels and air outlet channels and communicates with the perfume boxes in a switchable mode, and mixed with the fragrance source in the perfume boxes to form fragrance gas, and the fragrance gas is then released to an external space environment.

The invention discloses a culture medium for beauveria brongniartii and a culture method. The culture medium is used for improving the sporulation quantity of the beauveria brongniartii and the virulence, to an insect, of the beauveria brongniartii. The culture medium is prepared from the following components with component contents: peanut shell, rice flour, wheat bran and eupolyphaga slough, which are in a mass ratio of (1 to 5) to (0.5 to 1.5) to (2 to 6) to (1 to 3). The culture method comprises the following steps of 1), preparation of seed liquid of a solid-phase fermentation culture medium for the beauveria brongniartii; 2), solid-phase fermentation culture; 3), inoculation and culture. The culture medium adopted by the invention can be used for reducing the culture cost, can be also used for increasing a spore yield, is used for shortening a production period, and further, can be used for improving the virulence, to the insect, of a spore.

The invention discloses a satellite affair management and star map processing integrated platform, and belongs to the field of satellite electronic systems. The invention aims to solve the problems oflow integration level, large size and large mass of a whole satellite electronic system. The system comprises an image acquisition module, a processor, an instruction module and an anti-fuse FPGA. The processor comprises a DSP processing module, an ARM processing module and a ZYNQ processing module, and communication can be achieved among the DSP processing module, the ARM processing module and the ZYNQ processing module. The image acquisition module is used for carrying out image acquisition on the star map and sending the acquired star map image to the DSP processing module and the ZYNQ processing module; the anti-fuse FPGA is used for monitoring the working states of the DSP processing module, the ARM processing module and the ZYNQ processing module and sending the monitoring result tothe instruction module, and the instruction module generates a corresponding level instruction according to the received monitoring result to control the generator tripping module to achieve generator tripping work. The method is mainly used for processing the star map and managing satellite affairs.

The invention discloses a novel ventilation pipe system for radically treating and dispelling backflow of condensed water of a ventilation cabinet. The system comprises ventilation cabinet bodies, wind sucking covers, vertical branch ventilation pipes, ventilation pipe elbows, a transverse main ventilation pipe, wind sucking cover walls, vertical branch ventilation pipe walls and ventilation pipeelbow pipe walls; pipe walls of the transverse main ventilation pipe are combined to form the novel ventilation pipe system for radically treating and dispelling backflow of the condensed water of theventilation cabinet; pipes of the ventilation pipe system are all manufactured by Si02 aerosol composite boards; the space layout is as follows: the lower ends of the wind sucking covers are connected with exhaust ports of the ventilation cabinet bodies; the upper ends of the wind sucking covers are connected with the lower ends of the vertical branch ventilation pipes; the lower ends of the ventilation pipe elbows are connected with the upper ends of the vertical branch ventilation pipes; and the upper ends of the ventilation pipe elbows are connected with the side surface of the transversemain ventilation pipe inclined in a high-inside and low-outside manner to achieve the technical effect of radically treating backflow of the condensed water through inside-outside combination.

The invention discloses a memory health care pillow and a processing method thereof. The memory health care pillow comprises a pillow cushion and an interlayer, wherein the interlayer is provided with multiple through holes, multiple natural plant medicinal materials are arranged in multiple through holes, the pillow cushion comprises an upper pillow cushion and a lower pillow cushion which are tightly crimped into a whole, and the outer end of the pillow cushion is sheathed with a pillow sleeve; and the processing method of the memory health care pillow comprises the following processes of: (1) opening a mould, (2) mixing the medicinal materials, (3) pressing and pasting, (4) cooling, and (5) sheathing the pillow sleeve. According to the invention, an advanced production process is adopted, the interlayer and the natural plant medicinal materials are uniformly wrapped in the upper pillow cushion and the lower pillow cushion of the pillow cushion, the upper pillow cushion and the lower pillow cushion of the pillow cushion are crimped into a whole by adopting a special high temperature pressing technology, a space environment of the brain of a user after falling sleep can be well improved, tension acting on a cortical tissue by cranial nerves of the user in sleep is relieved, and the brain is caused to be in a leisure and comfortable state with a human body at the same time; and especially the memory health care pillow has good memory property, and thus the most comfortable sleep head position of the user is maintained.

The invention provides a rainproof cabin cover. The rainproof cabin cover comprises an upper protective cover and a lower protective cover; an inner edge is formed at the bottom end of the upper protective cover; a mounting bump is mounted at the bottom end of the inner edge; an outer edge is formed at the top end of the lower protective cover; a mounting groove which is matched with the mounting bump is formed in the outer edge; a plurality of drainage through holes are formed in the outer edge on the outer side of the mounting groove. According to the rainproof cabin cover provided by the invention, the upper protective cover and the lower protective cover are connected through the mounting bump and the mounting groove, so that the installation is more convenient and quick; rainwater and dust can be prevented from entering a cabin cover through the arrangement of the mounting bump; the rainwater or the dust can be further prevented from entering the cabin cover through the arrangement of the drainage through holes; good space environment in the cabin cover can be kept; the service life of equipment can be prolonged.

The invention provides a bone defect cavity filling implant. The bone defect cavity filling implant is of a porous cross-linked network structure formed by chitosan and polylactic acid composite nanofibers and nano-hydroxyapatite growing on the surfaces of the composite nanofibers in series through a sol-gel method. Calcium nitrate and ammonium phosphate are adsorbed to the surfaces of the chitosan and polylactic acid composite nanofibers respectively, and then a sol-gel method is adopted for preparing a porous cross-linked network structure with nano-hydroxyapatite distributed inside in a penetrating mode. In the process, the calcium nitrate and the ammonium phosphate react to obtain the nano-hydroxyapatite, and besides, the composite nanofibers are cross-linked to obtain a gel product. The structure has good biocompatibility, degradability and high mechanical strength, and bone defect healing can be accelerated.

The invention discloses an infant care bed with pacification and monitoring functions. The infant care bed comprises an infant care bed body and a consolation mechanism, wherein the infant care bed consists of a shell and an inner shell; two independent chambers are partitioned between the shell and the inner shell through an outer shell; a cavity between the outer shell and the inner shell is filled with liquid; the consolation mechanism is arranged at the bottom of the inner shell. The infant care bed has a simple structure and is safe in use, and the situations such as crying of infants due to different environment can be effectively solved.

The invention discloses a method for reducing tin defects in a glass product, relates to the technical field of glass production, and aims to assemble an exposed tin liquid level graphite cover plate(4) matched with a tin liquid tank (7) according to the shape and size of the surface area of exposed tin liquid (6) in the tin liquid tank (7), cover the exposed tin liquid level in the tin liquid tank and reduce the exposed area of the tin liquid in the tin liquid tank to the greatest extent. The method has the advantages that the operation steps are simple, the use effect is good, and the method is suitable for large-scale popularization and application. The tin evaporation is effectively reduced, the internal space environment of the tin liquid tank is improved, and the quality of the glass tape is improved.

The invention provides a wireless signal transfer system and a wireless signal transfer method. The wireless signal transfer system comprises at least one sending base station and at least one receiving base station, wherein the at least one sending base station converts a wireless transmission signal into a transfer signal; wherein the at least one sending base station transmit the transfer signal to the outside, the frequency f0 of the wireless transmission signal is greater than the frequency f1 of the transfer signal, and the at least one receiving base station receive the transfer signaland converts the transfer signal into the wireless transmission signal with the frequency f0.