399results about How to "Reduce the chance of leaks" patented technology

A respirator that has a mask body and a nose foam, the mask body being adapted to fit over the nose and mouth of a person and having an interior surface that curves concave downward in the nose region of the mask body. The nose foam has first and second opposing major surfaces and a thickness T that extends from the first major surface to the second major surface. The first major surface of the nose foam is secured to the interior surface of the mask body in the nose region, and the opposing second major surface of the nose foam is available for making substantial contact with a person's nose when the mask body is placed on a person's face. At least the first major surface of the nose foam has a predefined downward concave curvature. A nose foam that is pre-shaped in this manner has less opportunity to become pinched or unnecessarily deformed before being placed on a wearer's face.

The invention discloses an airborne phased array radar antenna radiating device, and relates to an airborne phased array radar technology. The airborne phased array radar antenna radiating device comprises heat tubes and liquid cooling cold plates. The heat tubes are embedded at the position, close to power components, of the outer lateral faces of the bottom faces T / R box bodies, a plurality of T / R box bodies are vertically superposed, the two sides of each of the plurality of T / R box bodies are respectively provided with one liquid cooling cold plate, the liquid cooling cold plates are used as installation plates which support an antenna to fix the T / R box bodies, the two liquid cooling cold plates arranged on the two sides of each T / R box body are communicated with a refrigerant storing tank, by utilization of high heat exchanging performance and liquid fluidity of the liquid cooling cold plates, heat produced inside the phased array radar antenna is spread out, liquid cooling tubes are used for conducting the heat to space where the heat is prone to dissipate, and a radiator is used for concentrated heat dissipation. The airborne phased array radar antenna radiating device solves the radiating problem of phased array radar antenna T / R components.

An object is to improve characteristics of a power storage device. The present invention relates to an electricity storage device comprising a current collector and a negative electrode-active material layer formed over the current collector. The negative electrode-active material layer includes a negative electrode comprising a first negative electrode layer in contact with the current collector; a second negative electrode layer in contact with the first negative electrode layer, having a smaller capacitance than the first negative electrode layer and containing one material selected from a nitride of lithium and a transition metal represented by LiaMbNz (M is a transition metal, 0.1≦a≦2.8, 0.2≦b≦1 and 0.6≦z≦1.4), a silicon material, and lithium titanate; a positive electrode that is paired with the negative electrode; and a solid electrolyte interposed between the positive electrode and the negative electrode.

A gastric partition clip having a folded clip body made of stainless steel for clamping on the body of a patient's stomach to divide a stomach pouch from an upper part of the body of the stomach for enabling food eaten by the patient to pass from the esophagus to the distal stomach and the duodenum through the stomach pouch via an outlet in the stomach pouch. The clip body defines a clamping space adapted to keep the front and back body walls of the body of the stomach in a closed status without compression, and a mouth adapted to guide the front and back body walls of the stomach into the clamping space.

The invention provides an electron blocking layer structure of a photoelectric device. The electron blocking layer structure is characterized in that structure matching between a quantum well and a P layer is achieved through adjusting a lattice structure and a band gap as much as possible; meanwhile, the formation of a polarized electric field is reduced, the formation of a negative charge area in an electron blocking layer is weakened as much as possible, and further the efficiency is improved; the electron leakage caused by energy band bending of the electron blocking layer and the increment of hole potential energy of the P layer are weakened. The electron blocking layer structure of the photoelectric device adopts AlInGaN or AlInGaN / InGaN super-lattice structure growth, wherein the In component is less than or equal to 10 percent; the Al component is less than or equal to 40 percent; the gradual distribution of the In component and the Al component exists in the electron blocking layer, and gradual change principles of the In component and the Al component are mutually independent; as for the electron blocking layer with an AlInGaN / InGaN super-lattice structure, the gradual change of the In component occurs in a super-lattice AlInGaN or a super-lattice AlInGaN / InGaN or in both the super-lattice AlInGaN and the super-lattice AlInGaN / InGaN.

The invention relates to a method used for eliminating dioxin in fume. The method has the following steps that water solution containing substance of hydrazine type is sprayed into the fume containing dioxin or potentially containing dioxin so that the fume fully touches and reacts with the water solution, and the water in the solution is completely evaporated at the temperature above 160 DEG C. In this way, dioxin in the fume is eliminated. The water solution with hydrazine type substance is fresh solution prepared based on 0.05 percent to 1 percent by weight before use, and is sprayed into the fume with the temperature ranging from 200 DEG C to 600 DEG C, or into the fume with the temperature ranging from 600 DEG C to 850 DEG C. At the temperature ranging from 600 DEG C to 850 DEG C, the water in the water solution containing hydrazine can adopt urea or ammonia. At the temperature ranging from 200 DEG C to 600 DEG C, the water to dissolve hydrazine can adopt alkaline solution or urea solution in combination with purification of other noxious gases such as SOx and NOx by using a prior or a late established purification device or system, so that NOx and acidic gases in the fume are eliminated, and toxicant content in fly ash is reduced. By adopting the method, dioxin in the fume is eliminated without production of noxious byproducts. Throughout the course, no waste water or waste solid is produced; the concentration of dioxin in fly ash is reduced; the treating process is simple, and the cost of disposal is low.

The invention discloses a microcapsule preparation method of a phase change material. The defects of containing of methanol, poor environment friendliness, easiness in cracking in a capsule energy storing process and poor energy storing effect exist in a phase change microcapsule prepared with the conventional method. The method comprises the following steps of: emulsifying a phase change material into a nuclear phase by adopting an interface polymerization method, wherein the phase change material accounts for 20-60 percent; preparing styryl and acrylate monomers into a shell phase; and mixing the two phases, polymerizing at the temperature of 80-160 DEG C, reacting for 2-6 hours, preserving heat for 1-4 hours, cooling and drying to obtain a phase change microcapsule. Formaldehyde is not required to be added in a preparation process, and a production process is environment-friendly; after a capsule is prepared, the capsule wall coating property is high, and reaction time is shortened; the method is low in preparation cost, has a simple and convenient process and contributes to industrial production; and the obtained product can be widely applied in the fields of building energy storage, energy saving, consumption reduction, spinning and the like.

The invention discloses a garbage disposal device, which comprises a box body, an organic box is fixedly installed on the back of the box body, and a first motor and a second motor are fixedly installed inside the box body sequentially from top to bottom; There is a feeding channel in the front, and a deodorant bin and a disinfectant bin are arranged on the left side of the feeding channel from front to back; a water pump is fixedly installed inside and below the deodorant bin and the disinfectant bin. Inside the body and below the water pump, there are garbage bins and sewage bins in sequence from top to bottom. The invention relates to the technical field of environmental protection equipment. The garbage disposal device solves the problem that complete garbage is not easy to degrade, and garbage such as empty bottles takes up a lot of space, and bacteria are easy to breed in the garbage, which affects the personal health of citizens, and a lot of garbage contains a lot of water. It is easy to leak during transportation and pollute the environment. At the same time, the garbage will also produce peculiar smell.

The invention discloses a carbon fiber composite. The carbon fiber composite comprises a metal inner layer, a local reinforcement layer, a reinforcement layer and an outer protection layer in sequence, wherein the reinforcement layer is formed by preferably winding large-tow carbon fibers. The invention also discloses a preparation method of the carbon fiber composite. The invention further discloses a tank prepared from the carbon fiber composite. The tank can be used for carrying liquid, powder, gases, pulp and other substances. The carbon fiber composite and the tank have the beneficial effects that compared with the traditional metal tanks, the tank prepared from the carbon fiber composite is lightened by more than 50%; the carrying capacity of a tank car can be obviously improved, and fuel consumption and carbon dioxide emission can be reduced; and the tank has the double effects of increasing the operating profits and reducing the environmental pollution.

The invention provides an information input method and information input device of a terminal and the terminal. The terminal comprises a plurality of operating systems, and the information input method comprises the steps that when the fact that any application program in any operating system receives an information input request is detected, a designated operating system is selected from at least one other operating system in the operating systems except for the any operating system; the designated operating system is controlled to acquire information required by the information input request to be input; the designated operating system is controlled to send the acquired information to the any application program of the any operating system. According to the technical scheme, the problem that the information input into the terminal is captured by malicious software, viruses and the like is solved, the information safety of the terminal is effectively protected, the privacy safety of a user is improved, and user experience is enhanced.

The invention discloses a system for one-station registering, logging and all-web authentication, comprising a registering and logging module, a linking module, a safety module, a system management module, a third party user center and a management module, wherein the third party user center is the user management center commonly used by the system and the second party website registering and logging system; the linking module realizes seamless connection between the registering and logging sub-module and the third party user center, and between the third party user center and the second party website registering and logging system; the safety module is connected with all modules of the system and the third party user center; and the system management module is in charge of the arrangement, addition and management of all modules of the system. In the invention, the one-station registering and logging and all-web authentication can be realized, the service of the website can be enjoyed directly without repeatedly registering and logging, the user information and the online behavior can be uniformly managed effectively, the safety of the user information can be ensured, the online life of the user can be managed, and the system can become the online life management center of the user.

The invention relates to a chlorine dioxide generator adopting a high-efficiency electrolytic method. The chlorine dioxide generator mainly comprises a chlorine dioxide electrolytic module, a soluble salt system, an electrolytic salt quantitative adding system, an alkaline liquid circulating discharge system and a programmable logic controller (PLC) control system. The chlorine dioxide generator has the characteristics of compact and reasonable structure, high electrolytic efficiency, simple production, mounting and maintenance of equipment, intelligent control, flexibility, convenience, high safety performance and the like.

The present invention discloses a ball valve airtightness test method and test system. According to the test method, an external leakage test and an internal leakage test are performed separately. The system comprises an air source, an inflation valve and an exhaust valve; the inflation valve and the exhaust valve are arranged at two sides of a tested ball valve respectively; a conducting valve is in spanning connection with the two sides of the tested ball valve; one outlet of the inflation valve is connected with a standard cavity; a high-pressure end switching valve is arranged between the inflation valve and the standard cavity; one outlet of the standard cavity is connected with the high-pressure end of a differential pressure sensor; and the low-pressure end of the differential pressure sensor is connected with one side of the tested ball valve through a low-pressure end switching valve, wherein the one side of the tested ball valve is adjacent to the exhaust valve. The test system of the invention has the advantages of simple structure, low cost and high precision of the inner leakage test of the ball valve.

The invention aims to provide a method and equipment for calling configuration information. The method comprises the following steps: acquiring a configuration information request of service equipment, wherein the configuration information request includes service identification information of the service equipment; acquiring target encrypted configuration information which is matched with the service identification information from a corresponding first database based on the configuration information request; decrypting the target encrypted configuration information in order to obtain corresponding target configuration information; and transmitting the target configuration information to the service equipment. Compared with the prior art, the method and the equipment have the advantages that different configuration information requests from different service equipment are managed centrally by a web server, so that only corresponding configuration information in the web server needs to be modified when service database information is changed; the service equipment can acquire newest corresponding target configuration information by sending the configuration information requests; and the resource consumption of data processing is saved on the whole.

The embodiment of the invention provides a fake access point detection alarm method and device. The method comprises the steps that a first access point is connected according to a preset service set identifier and a password thereof, and basic communication information of the first access point is obtained; after it is detected that the basic communication information of the first access point is not consistent with basic communication information of a prestored legal access point, a user is promoted to determine legality of the first access point; if a received determining result is illegal, fake access point alarm prompt is carried out, and the first access point is disconnected. In the fake access point detection alarm method and device, when the service set identifier (SSID) and the password of the first access point (AP) are consistent with those of the prestored legal AP and the basic communication information is not consistent with the basic communication information of the legal AP, if the received determining result input by the user is illegal, the first AP is the fake AP, then, fake AP alarm prompting is carried out, first AP is disconnected, and the user information leakage probability can be greatly lowered.

The invention discloses a film transistor array, which has several shared wirings to provide storing capacitance for pixel. Especially, each shared wiring has several branched wirings. The shared wiring and the branched wirings constitutes storing capacitance with pixel electrode. The branched wirings are located at the poor light efficiency spots of a pixel area, so the pixel storing capacitance can be increased when the pixel uncork ratio is not influenced, and the efficiency of liquid crystal panel can be improved.

The invention discloses an agitator having high efficiency and a good stirring effect. The agitator comprises a rack provided with a working platform, wherein two guide columns are arranged on the working platform, fixing plates are arranged on the two guide columns, a guide plate is arranged between the fixing plates and the working platform, the guide plate is connected to the two guide columns in a sliding manner, a cylinder is connected to the inner side of each fixing plate, the end part of a piston rod of the cylinder is connected with the middle of the guide plate, two stirring boxes are further fixed on the working platform, a lower rotating shaft is arranged in each stirring box, the outer end of the lower rotating shaft stretches out from the stirring box and is fixedly connected with the working platform in the axial direction, a convex stirring paddle is arranged on the outer side wall at the inner end of the lower rotating shaft, a sealing plate is propped on the upper end face of each stirring box, the sealing plate is fixedly connected with the guide plate through a connecting shaft, a motor is arranged in the rack, the motor drives the two lower rotating shafts to simultaneously rotate through a transmission mechanism, and the stirring device has the advantages of high working efficiency and good stirring effect.

The invention relates to the field of cloud computing management technologies, in particular to a backup deduplication method of a virtual machine. The method comprises the steps that firstly, an external snapshot file is created and serves as a virtual machine mirror image file for creating the virtual machine; then, in the backup process, back-end IO read-write of the virtual machine is halted, a corresponding virtual machine mirror image file path is queried through the external snapshot file, a virtual machine mirror image file name is acquired, whether the virtual machine mirror image file exists in a backup path is queried, if not, the virtual machine mirror image file is copied into the backup path, and if yes, a copy of the external snapshot file is stored into the backup path; in the recovery process, back-end IO read-write of the virtual machine is halted, the external snapshot file copy needing to be recovered is searched for according to time points, an external snapshot file used currently is replaced with the copy, and back-end IO read-write of the virtual machine is recovered accordingly. The method solves the problems that backup recovery is large in occupied space, low in efficiency and low in safety, and can be applied to virtual machine backups.

The invention discloses an instant air energy heat-pump water heater and a control method thereof. The water heater comprises a first heat-pump circulation circuit, a second heat-pump circulation circuit, a water way pipeline part module, an electrical heating module and a control module. Each heat-pump circulation circuit is provided with a compressor and a condenser. The water way pipeline part module comprises a water inlet pipeline, a heat-pump heating pipeline and a water outlet pipeline, wherein the water inlet pipeline, the heat-pump heating pipeline and the water outlet pipeline are sequentially communicated with one another. A water flow regulating valve is arranged in the communication pipeline. The electrical heating module is arranged on the water outlet pipeline. The condensers in the two heat-pump circulation circuits and the heat-pump heating pipeline are integrated in a plate heat exchanger or a double-pipe heat exchanger. The control module is used for controlling the working modes of the two compressors, the working mode of a second compressor, the working mode of the electrical heating module and the working mode of the water flow regulating valve. The instant air energy heat-pump water heater is instant and can ensure water supply at constant temperature without a water tank, is simple in structure and improves operating stability and reliability of a heat pump unit.

The invention is applied to the field of building greening, and provides a fabricated wall greening system. The fabricated wall greening system comprises a wallboard, a plurality of containers where plants are planted, a frame used for mounting and fixing the containers and irrigation equipment used for conducting drip irrigation on the containers. According to the fabricated wall greening system,through integrated design, matching components, professional construction and systematic management, coordinating and unifying of functions, safety, beauty and economy of the three-dimensional greening system are achieved. The fabricated wall greening system can effectively relief and reduce the temperature of the wall surface, reduce the damage of the high temperature to buildings, improve the comfort level of the buildings, can reduce the heat resistance requirements of plants, and have stronger ecological and social benefits. The fabricated structure is easy to install, can reduce the installation of irrigation pipe fittings, and reduces the leakage probability. By adopting an irrigation mode of combining passive irrigation and a drip irrigation control system, the problems of heavy irrigation of vertical greening and uneven irrigation can be solved, the effect of saving energy, water and materials can be achieved, and the human cost is reduced.

The invention provides a shell assembly of a button cell, the button cell and an electronic product. The shell assembly of the button cell comprises a shell and a conductive part, the shell and the conductive part define an accommodating cavity for accommodating a battery cell of the button cell, the battery cell is provided with a first tab and a second tab; the first tab is electrically connected with the shell; and the second tab is electrically connected with the conductive part; the shell is provided with a through hole; the conductive part is arranged in the through hole in a penetratingmode; and a sealing rubber ring enabling the conductive part and the inner wall of the through hole to be sealed and insulated is arranged between the conductive part and the inner wall of the through hole. Wherein the shell comprises an upper shell with an opening in one end and a bottom cover for sealing the opening of the upper shell, a tab groove is formed in one surface of the bottom cover facing the battery cell , and at least part of the first tab is positioned in the tab groove and is connected with the tab groove, so that the sealing performance of the shell assembly of the button battery is improved.

The invention discloses a manufacturing system and method for absorbing articles. The system is provided with a first carrying unit, a second carrying unit, a first connecting workstation, a second water-absorbent particle adding device, a third carrying unit, a second connecting workstation and a first water-absorbent particle adding device. The problem that the traditional system difficultly meets requirements of on-line manufacturing of composite cores is solved. The method comprises the following processes of primary spreading, secondary spreading, edge folding, compacting, air discharging, dotting and compounding and the like. On-line manufacturing of composite cores is realized. The manufacturing system for absorbing articles has the advantages of low manufacturing cost and good absorbing effect. The gap in the field of on-line forming of composite cores is filled, and the technical support is provided for on-line production of the composite cores. The manufacturing system is simple in structure, accurate in control and high in production efficiency.

The invention discloses an anti-counterfeiting code system and method. For object switch transaction, the authenticity of the same object can be verified for multiple times, and safety is improved since changed anti-counterfeiting codes are used. An additional anti-counterfeiting code is used to bring convenience for a distributor to identify the authenticity of cargoes without damaging packing. An auxiliary anti-counterfeiting code is used to bring convenience for a seller to prove the authenticity of the cargoes to a buyer. Compared with the traditional anti-counterfeiting code technology, verification items and verification links are added to bring convenience to consumers and be safer. A link of sending the anti-counterfeiting code by a shop assistant at a service point is added, and safety is improved while convenience is brought to the consumers. In the system, the generation and the verification of the anti-counterfeiting code are finished by a manufacturer, communication between the manufacturer and the consumers is transferred through a trustable third-party website, the fraud of a fake website can be avoided, and the use amount of secret keys is reduced. User names, service point numbers and the like are added into verification information, so that safety is greatly improved.

The invention discloses a construction method for forming a pile wall type retaining wall, which comprises the following steps: (a) constructing a plurality of drilling or punching retaining piles arranged in rows along a direction of an enclosure structure; (b) paring off soil mass among pile holes with a plane set-hammer to form a section of continuous slotted holes; (c) lowering steel reinforcement cages of the bored retaining piles orderly; (d) lowering a conduit, casting underwater concrete for the bored piles and the conduit together, and forming a section of continuous wall body; and (e) constructing a waterproof jet grouting pile or a deep-cement-mixed pile at each joint of the continuous wall bodies. Because a construction method for comprehensively arranging piles and casting a plurality of piles continuously is adopted, the leakage opportunities between piles are reduced greatly, the integrity of the enclosure structure is improved correspondingly, and the safety of a foundation pit is improved.

The invention relates to a driving device for a diaphragm pneumatic micro valve as a basic functional unit of a micro diaphragm pump chip. The driving device consists of a positive pressure assembly, a negative pressure gas source, channels, positive pressure switching assemblies, a chip tray, sealing rings, elastic sealing caps and driving assemblies, wherein a negative pressure airtight space is arranged between the chip and the tray; the channels are arranged on the chip tray and correspond to diaphragms on the micro diaphragm pump chip in position; each elastic sealing cap is arranged at the top end of the corresponding channel; the channels are separated from the airtight space by the elastic sealing caps; when the elastic sealing caps are loosened, all diaphragms on the micro diaphragm pump chip are pulled open by negative pressure, and a fluid channel is conducted or liquid with certain volume is sucked into the fluid channel; when the positive pressure switching assemblies control to allow the positive pressure assembly to drive the sealing caps through the driving assemblies, and the sealing caps are stressed to deform and raise, the corresponding diaphragms on a microfluidic chip are pressed, and the fluid channel is blocked or the liquid with the certain volume is drained from the fluid channel. According to the driving device, an independent pneumatic connector is not needed for establishing for each micro diaphragm pump unit on the microfluidic chip, so the system failure caused by leakage is greatly reduced.

The invention discloses a movable garbage compression device. The movable garbage compression device comprises a compression bin used for compressing garbage entering the equipment inwards and a garbage can connected with the output end of the compression bin and used for receiving the garbage output by the compression bin and storing the garbage, wherein a discharging opening used for dischargingthe garbage and a discharging door covering the discharging opening in a sealing manner are arranged at the end, away from the compression bin, of the garbage can; a feeding opening used for feedingthe garbage is formed in the end, away from the garbage can, of the compression bin; the height of the wall body of the feeding side of the feeding opening is matched with the discharging height of abutt joint discharging vehicle so that a discharging box of the butt joint discharging vehicle can be overturned into the feeding opening to conduct direct butt joint discharging; a can overturning mechanism used for hooking the garbage can and overturning the garbage can to the position of the feeding opening to dump the garbage is further arranged outside the wall body of the feeding side of thefeeding opening; the can overturning mechanism is further used for serving as anti-collision limiting of the butt joint discharging vehicle; and a pressing filling mechanism used for pushing and pressing the garbage entering the compression bin from the upper portion is arranged at the upper portion of an inner cavity of the compression bin.

The invention relates to a wireless sensor network safety transmission method based on watermarking technology and belongs to the field of information safety of a wireless sensor network. The method is combined with the watermarking technology, improves a RC4 (Rivest cipher) algorithm, and includes steps of clustering nodes, establishing secret keys and predistributing the same, encrypting and decrypting data by the RC4 algorithm, setting threshold values, comparing the threshold values to sending data and sensing data, and determining embedded positions of watermarks according to parity of the last bit of the sensing data. Information transmission of the nodes in clusters is achieved by directly establishing a communication link with the nodes of cluster heads. Information transmission of the nodes among different clusters is achieved by establishing the communication link among the nodes of cluster heads. With the method, communication traffic of sensing nodes and use ratio of the nodes are improved, confidentiality and safety of sensing information are improved, and calculation of the nodes by a watermarking algorithm is low in cost.