365results about How to "Guarantee the environment" patented technology

The present invention relates to methods for production of undifferentiated or differentiated embryonic stem cell aggregate suspension cultures from undifferentiated or differentiated embryonic stem cell single cell suspensions and methods of differentiation thereof.

The invention discloses a smart community monitoring system, including an access control system for opening a door when the first human body feature information of a person trying to open a corresponding door is verified to be successful, an elevator control unit for unlocking the button for a target floor in an elevator for a first preset time when the second human body feature information of a passenger is verified to be successful, a video monitoring unit for acquiring real-time video images in a community, a security detection unit for detecting whether someone fall down according to the video images and alarming when a person falls down over a second preset time, a person recognition unit for detecting a facial image in the video images and comparing the facial image with a prestored target person image and alarming when detecting a facial image consistent with the target person image, a rubbish detection unit for alarming when detecting the rubbish quantity at a rubbish spot exceeds standards, and a smart home unit for performing indoor safety protection and environmental conditioning. According to the invention, real-time smart monitoring and safeguard of the community are achieved.

The invention provides a high-speed energy absorption anti-impact retreat hydraulic support for a coal mine. The hydraulic support comprises a bottom beam, energy absorption retreat members, connecting rods, hydraulic props and top beams, wherein two top beams are connected together in a hinged mode; an energy absorption material is filled at the hinged position of the two top beams; the bottom beam is connected with the top beams through the connecting rods; energy absorption materials are filled in the energy absorption retreat members; one end of each energy absorption retreat member is connected with the bottom beam or each top beam, and the other end of each energy absorption retreat member is matched with one end of each hydraulic prop; and the other end of each hydraulic prop is arranged in a needling of each top beam or the bottom beam. The hydraulic support has the characteristics of a rigid support and a flexible support simultaneously, the whole hydraulic support can be prevented from being damaged, the damage degree of surrounding rocks is effectively reduced, and the safety of underground operating personnel is ensured; in addition, production recovery time can be greatly shortened after rock burst occurs.

An operating system switching method in a computer system having at least two operating systems is provided. The operating system switching method may include receiving a command of switching a first operating system that is currently running to a second operating system, causing the computer system to make a transition to a low-power sleeping state in response to the command, and booting the computer system using the second operating system in the transitioned state.

The invention relates to a nasal cavity cleaning agent applied to health care of the nasal cavity of a human body. The nasal cavity cleaning agent comprises the following components in percentage by weight: 0.9 to 1.2 percent of sea salt, 0.05 to 0.2 percent of buffering agent and the balance of water, wherein the buffering agent is prepared from citric acid and sodium citrate in the weight proportion of 1 to 100. The nasal cavity cleaning agent has the advantages that: the environment in the nasal cavity is maintained because of sodium chloride with the physical concentration and pH value; 2, secretions in the nasal cavity can be diluted and discharged, nose scabs are eliminated, and breath becomes smooth; 3, the nasal cavity is moisturized and bleeding caused by dryness of the nasal cavity is avoided; 4, pathogenic bacteria and harmful substances in the nasal cavity are cleaned and the automatic secreting and cleaning function of the nasal cavity is recovered; 5, nasal mucosa is protected and the ciliated epithelium of the nasal mucosa is promoted to swing; and 6, the nasal cavity cleaning agent does not have any adverse reaction and any side effect on human bodies because no chemical drug is contained in the nasal cavity cleaning agent.

The invention relates to a preparation method of a novel weftless cloth and composite UD material, including the steps: (1) a feeding tension box of a tow frame is provided with a constant static generator; (2) the tow is parallel laid and is put into a steeping vat, then the weftless cloth is topped with gum at the face and the back on a roller and by an atomizing and spraying device; (3) gum at both the face and the back of the weftless cloth is scraped in parallel; (4) the formed weftless cloth is hauled by a chain and parallel conveying way, parallel cut or conversely folded to form an UD composite board of multi-layer structure. The method of the invention is a continuous production method of stable quality and requires low cost, and the prepared UD material is characterized by even quality, fiber being evenly stressed, even sizing rate, etc.

The invention belongs to the technical field of washing machines and particularly relates to a detergent putting structure and a washing machine. The detergent putting structure comprises a water inlet valve, a water inlet pipeline and a putting device, wherein one end of the water inlet pipeline is connected to the water outlet of the water inlet valve, and the other end of the water inlet pipeline extends into the putting device and is provided with a water outlet part; a ventilation structure is disposed on the portion, between the water inlet valve and the water outlet part, of the interior of the putting device and uses hydraulic pressure difference formed when the water inlet valve is closed for draining water remaining in the water inlet pipeline and the water outlet part. The detergent putting structure can effectively overcome the defect that water easily remains in pipes and water outlet parts in putting devices; the structure is simple, the occurrence probability of faults of the washing machine is decreased, costs for production, research and development of the washing machine are reduced at the same time, and a promising market prospect is achieved.

The invention belongs to the technical field of seed processing, and especially relates to an efficient seed coating agent, a preparation method and applications thereof, and a method using the same to process seeds. The efficient seed coating agent comprises the following components: amino-oligosaccharin, a dispersant, an adhesive, a surfactant, vigilance dye, and water. The preparation method comprises the following steps: weighing all raw materials other than amino-oligosaccharin according to a certain ratio, evenly mixing the weighed raw materials, then adding amino-oligosaccharin, and grinding the mixture until the particles of each component is less than 5 mm. The efficient seed coating agent is mixed with seeds according to a mass ratio of 1:50 to coat the seeds. The efficient seed coating agent can be used to prevent and treat diseases of fruit trees, vegetables, underground roots, tobaccos, traditional Chinese herbals, grain crops, cotton, and the like. The seed coating agent has the advantages of strong pertinence, good universality, sustain-released property, and fertilizer-retaining performance, and is capable of preventing the diseases and pests. Moreover, the raw materials are easily-available and cheap, so the production cost is low. Besides the raw materials are environment-friendly and harmless, and meet the nuisance-free requirements.

The invention discloses a classified processing device for construction wastes and relates to the field of garbage classified processing. The classified processing device for construction wastes comprises a crushing box and a screening box. The crushing box is provided with a pair of crushing rollers, buffer plates are arranged on two side walls of a feed inlet of the crushing box, a first guidingbelt is arranged right below the two crushing rollers, an electric absorbing magnetic roller is arranged on the upper side, close to the lower end, of the first guiding belt, and a third guiding beltwhich is horizontally arranged is arranged below the lower end of the first guiding belt. When the classified processing device for construction wastes works, the electric absorbing magnetic roller is electrified and magnetized to absorb crushed metals in crushed garbage conveyed on the first guiding belt, and when the electric absorbing magnetic roller rotates, the metals bonded to the outer wall of the electric absorbing magnetic roller fall onto a hanging plate as being scratched by the hanging plate. Then the crushed metals scratched by the hanging plate are conveyed by the second guidingbelt and are exported and collected, so that the separating efficiency is high.

The invention relates to a wireless temperature measuring device for rotational molding equipment. The wireless measuring device mainly comprises an insulation box for a thermometer, an end cap for the thermometer, an information acquisition module, an FSK (frequency shift keying) radiofrequency transmitter, a power supply, a FSK radiofrequency receiver, an information processing module and a data processing system, wherein the information acquisition module acquires the temperature inside an oven of a rotational molding machine, the temperature of inside and outside walls of a mold and the temperature of materials, and converts the temperature into electric signals, the FSK radiofrequency transmitter transmits the converted signals to a receiving device, the FSK radiofrequency receivers receives the signals transmitted by the FSK radiofrequency transmitter, the data processing system processes and analyzes the temperature change signals received and acquired by the FSK radiofrequency receiver, and sends feedback the control system of the rotational molding equipment. A five-layer structure between the insulation box for the thermometer and the end cap for the thermometer can efficiently ensure the temperature measuring environment and precision of the equipment. The temperature measuring device can monitor the temperature change in real time, remarkably improve the efficiency of the rational molding, reduce the energy consumption, and improves the quality and the precision of the product.

The invention relates to a method for synthesizing Varenicline intermediate 2, 3, 4, 5-tetralin-1, 5-methylene-hydrogen-benzoazepine. The method includes the following steps: under the action of catalyst, mixing amyl nitrite with o-aminobenzoic acid solution to generate diazonium salt, then mixing the diazonium salt with cyclopentadiene, and heating to react to generate compound 1; feeding ozone into the solution of compound 1, after complete conversion, adding reducing agent to generate compound 2, then dripping the compound 2 to the mixed solution of triacetoxy sodium borohydride and benzylamine to generate compound 3 by loop closing; and hydrogenating the compound 3 under the action of palladium and carbon for debenzylation and reduction to obtain M intermediate 2, 3, 4, 5-tetralin-1, 5-methylene-hydrogen-benzoazepine. The method has the advantages of greatly simplifying the method for preparing Varenicline intermediate, being simple in production process and safe in operation, well ensuring no harm to the environment and control on production cost, increasing yield and being capable of becoming a process in great industrial production.

The invention discloses a three-axis permeability testing method, and belongs to the field of coal bed gas exploitation. A rock sample is placed in a model system (1), then pressure pulse is applied on the rock sample; a gas control system (2) supplies test gas to the model system (1); a temperature control system (3) controls the temperature of the model system (1); a three-axis loading system (4) applies confining pressure and axial pressure on the rock core clamper of the model system (1); a vacuumizing system (5) vacuumizes the test device; a gas sample collecting system (6) detects the gas components after the test; and an electrical controlling and monitoring system monitors the test process. The method comprises following steps: filling a sample into a tank, checking the airtightness, carrying out a permeability test, and cleaning the test system. The provided method can simulate a high temperature and high pressure environment of a deep stratum in a lab; pressure pulse is applied on the inlet end of a rock sample, the attenuation data of pressure pulse can be obtained, and then the rock sample permeability is calculated based on the attenuation data. The test efficiency ishigh, the external interference is little, and the test result is more accurate.

The invention discloses an automobile epidemic prevention and sterilization control method and device and a storage medium, and belongs to the technical field of vehicle engineering. The method comprises the steps that whether epidemic prevention and sterilization control needs to be conducted in an automobile or not is determined; and when it is determined that epidemic prevention and sterilization control needs to be conducted in the automobile, at least one ultraviolet lamp installed in the automobile is controlled to conduct ultraviolet irradiation in the automobile so as to conduct epidemic prevention and sterilization on the automobile. When it is detected that the automobile needs to be subjected to epidemic prevention and sterilization control, at least one ultraviolet lamp in theautomobile is controlled to conduct ultraviolet irradiation in the automobile, so that epidemic prevention and sterilization control over the automobile is achieved, and therefore bacteria appearing in the automobile and threats of the bacteria to the health of passengers are reduced.

The invention discloses a sealed automatic cutting machine for cutting black metal, and the machine provided by the invention comprises a base, an X-direction work sliding table, an X-direction hydraulic ram, a hydraulic dedicated fixture, a Y-direction work sliding table, a Y-direction hydraulic ram, a Z-direction work sliding table, a Z-direction hydraulic ram, a main shaft, a high-alloy composite cutter, a motor, a soundproof room, a visual protection door, a safe light curtain sensor, an inspection door, a display screen, a button box, a hydraulic station and an electric control cabinet. The sealed automatic cutting machine has the advantages that the cutting machine can be used for automatically cutting the casting head of a casting in black metal under a totally closed condition. In the equipment, a targeted and flexible machining scheme can be realized according to the shape particularity of the casting and the irregularity of machining stations. The sealed automatic cutting machine has the advantages of high production efficiency, good machining adaptability and reasonable structure and is convenient to use and maintain, can be used for lightening the labor intensity of workers, totally meets the requirement of mass assembly line production, and ensures the safety of operation personnel.

The invention relates to a steel round bar heading-off mechanism for a plasma cutting machine and belongs to the technical field of metal cutting machinery. The plasma cutting machine comprises a rack formed by frist and second beam bodies, a plasma cutting mechanism, a steel round rod driving and transporting mechanism, a lifting frame and a group of steel round bar turnover mechanisms; the steel round bar heading-off mechanism is arranged at the end part of the other end of the rack; the steel round bar heading-off mechanism comprises a base, a bracket, an oil cylinder seat, an oil cylinder and a heading block; the base is arranged on the floor; the bracket is fixed on the base; carrier rollers are respectively arranged on the surface of the side of the bracket, which is toward the oil cylinder seat, and at both sides of the surface; the oil cylinder seat is fixed at the tops of one group of uprights; the bottoms of the one group of uprights are fixed together with the edge positon of the bracket; the oil cylinder is fixed at the center position of the oil cylinder seat; the heading block is connected to the tail end of an oil cylinder column; and an inverted V-shaped cavity is formed at the side of the heading block, which is toward the bracket. The steel round bar heading-off mechanism has the advantages of avoiding the material loss in the cutting process of a steel round bar, improving the heading-off efficiency, reducing the noise and saving electrode materials.

The invention relates to an ultra-high voltage direct current voltage transformer, including a base, a voltage divider, an insulator, a cover plate and fluorescent optical fiber temperature measuring equipment. The voltage divider is arranged in an airtight gas chamber surrounded by the base at the lower end, the insulator in the middle, and the cover plate at the upper end, and the airtight gas chamber is filled with SF gas; the fluorescent optical fiber temperature measuring equipment includes fluorescent optical fiber temperature sensors, an adapter optical fiber, a fluorescent optical fiber temperature measuring instrument, an optical fiber converter and a PC; and the fluorescent optical fiber temperature sensors are uniformly fixed on the voltage divider along a height direction of the voltage divider, and are connected with the adapter optical fiber through a through device fixed on the base in a sealed manner. The temperature of the voltage divider in the airtight gas chamber is monitored in real time through the fluorescent optical fiber temperature measuring equipment that is arranged, and temperature inside the direct current voltage transformer is detected; and in cooperation with the fluorescent optical fiber temperature sensors uniformly fixed on the voltage divider, temperature monitoring can be performed comprehensively and reliably, and the entire temperature monitoring adopts optical signal transmission, and is not affected by high voltage and strong electromagnetic interference.

The invention discloses a continental margin hydrate environment geology dynamic monitoring system and method. The method comprises the steps of monitoring the dissolved methane flux, the dissolved oxygen content, the pH value, the Eh value and other parameters of a leakage source in a water body on the basis of a seabed multi-parameter sensor technology; monitoring the free methane flux leaked ina bubble plume mode by combining an ultrasonic flowmeter; based on a distributed optical fiber technology, monitoring the stress and strain of a potential unstable slope, so that comprehensive monitoring of landslide and environmental changes for the slope with natural gas hydrate existing on a continental margin is achieved; and through the establishment of a small-scale submarine observation network, unified power supply and data acquisition, monitoring the dynamic activity of a hydrate reservoir and the resulting environmental effects, so that the in-situ, long-term and continuous monitoring and early warning capabilities are formed, the mechanism and rules of geological hazards possibly induced by hydrates are mastered, technical support is provided for the hydrate exploitation process, the practical value is high and implementability is high.

The invention provides a self-cleaning express cabinet and method. The self-cleaning express cabinet comprises an express cabinet body which is composed of a main cabinet and express boxes, each express box is provided with a box body and a box door, the express cabinet body is provided with a self-cleaning system, each self-cleaning device comprises a controller, a sterilization device and an odour removal device, each odour removal device comprises a gas detection device and ventilation ducts any box body of the express box is provided with the gas detection device and the ventilation ducts, each ventilation duct is provided with an air valve, each sterilization device comprises a sterilization vessel and a pipeline which is arranged in any box body of the express box, each pipeline is connected with the corresponding sterilization vessel which is provided with a main pipe, each main pipe is provided with a pressurizer, the controllers are connected with the sterilization devices and the odour removal devices, the controllers are connected with the main cabinet, a small exhaust fan is arranged inside each ventilation duct, and an atomizer is arranged in each pipeline.

The invention discloses a floc fiber feeding device. At least one pair of feeding rollers and the outer peripheral surfaces of feeding pressing rollers are elastically pressed against and oppositely rotated on a frame. There are at least two connected cylindrical Inner cavity, the two inner cavities that deviate from each other are respectively provided with inlet and outlet passages that communicate with the outside, each inner cavity is equipped with a carding roller with combing teeth, adjacent carding rollers can rotate in opposite directions, and the scattered fibers gather The side wall of the funnel hole with a large top and a small bottom on the device is provided with a radial through hole, the upper end of the funnel through hole is connected with the outlet channel of the carding box, the lower end of the funnel through hole is connected with the upper end of the hyperbolic needle knitting cylinder, and the hyperbolic needle knitting There are longitudinal needle grooves on the longitudinal side wall of the fiber distributor in the cylinder, and the hook needles should be able to slide longitudinally and be positioned in the needle grooves, and there are through threading holes in the fiber distributor; the carding box of the present invention is fast and thorough in carding, The floc fiber is fully collected by the fiber collector to prevent it from floating in the air, ensuring the environment in the workshop.