38results about How to "Strong environmental resistance" patented technology

The present invention discloses a preparation method and application of Bacillus coagulans and a spore preparation cultured in high density, and belongs to the microbe technical field. A Bacillus coagulans strain is classified and named Bacillus coagulans JSSW-LA-07 and is preserved as CGMCC No.2602 in China General Microbiological Culture Collection Center. The Bacillus coagulans strain JSSW-LA-07 can produce spore under an aerobic condition and produce a small amount of L-lactic acid in the metabolism during a course of fermentation. The Bacillus coagulans strain can produce L-lactic acid with a higher purity under an anaerobic condition. The strain does not produce substances which can be harmful to human and cultured animals, has the characteristics of innocuity, on residue, no side effect and the like, has a great significance for production of green and safe livestock, fowls and marine products and improvement of cultivation ecological environment, and can be widely applied in the cultivation production of high yield, high quality, high efficiency, synusiologic and safe livestock, fowls and marine products, and the regulation and control of the ecological environment of cultivation.

A method for producing L-lactic acid by Bacillus coagulans CGMCC No.2602 belongs to the technical field of microorganisms. In the invention, Bacillus coagulans CGMCC No.2602 is adopted, and under the condition of no oxygen supply, starchiness hydrolyzed sugar or dextrose is fermented by a semicontinuous intermittent fermentation way or an inter-sugar-compensating fermentation way to generate L-lactic acid with high optical purity. The invention has the advantages that the gemma property of the Bacillus coagulans is stable, and the L-lactic acid obtained by inoculating and fermenting the starchiness hydrolyzed sugar has high optical purity and rate of conversion of sugar and acid and short fermentation period; in addition, the semicontinuous intermittent fermentation way saves the time for preparing seeds by a continuous reladling and subculturing method, shortens the fermentation period, enhances the fermentation strength and obtains the L-lactic acid with both relatively high rate of conversion of sugar and acid and purity.

The invention discloses a fiber Bragg grating perimeter intrusion pattern recognition method and system. The method comprises the following steps: an external vibration signal which is demodulated through a fiber Bragg grating demodulation instrument is received; when the vibration amplitude of the external vibration signal is greater than a threshold value, whether an abnormal event happens is judged according to preset conditions; if the abnormal event happens, a signal with a fixed time span is intercepted from the external vibration signal, and the intercepted signal with the fixed time span is preprocessed so as to reduce the effects of system noise on a system; a time-domain signal fluctuation extreme value of the preprocessed signal is calculated; the time-domain signal fluctuation extreme value is subjected to curve fitting, and characteristic parameters of a curve after the fitting are extracted; whether the values of the characteristic parameters meet animal touch action or knock action pattern recognition conditions which are set in advance is judged; if the values of the characteristic parameters meet the conditions, pattern recognition information is generated and output to monitoring equipment. The fiber Bragg grating perimeter intrusion pattern recognition method and system can effectively recognize perimeter animal touch events, and is high in sensitivity, strong in resistance to the environment, and low in erroneous recognition rate.

The invention relates to the field of waterproof roll materials, and particularly relates to a super weather-proof composite waterproof roll material. The super weather-proof composite waterproof roll material comprises a bonding and sealing adhesive layer and an isolating film protection layer, and also comprises a super weather-proof polymeric film layer, wherein the super weather-proof polymeric film layer, the bonding and sealing adhesive layer and the isolating film protection layer are sequentially arranged from top to bottom and are adhered into a whole in a hot pressing way. The hot pressing temperature is 30 to 220 DEG C, includes but is not limited to 30 to 220 DEG C, and can be adjusted according to factors such as specific production equipment and a hot pressing technology. The bonding and sealing adhesive layer is compounded with the a super weather-proof polymeric film structure, so that the structure has high environmental resistance, corrosion resistance, high strength and high toughness, good dimensional stability, and high impact resistance and puncture resistance, does not need to be protected by cement and mortar, and can be constructed in various environments.

The invention discloses a power equipment inspection device based on an RFID (Radio Frequency Identification Device) electronic tag. The power equipment inspection device comprises multiple RFID tags, a handheld inspection terminal, a communication network and a data server located in a monitoring center, wherein the multiple RFID tags are respectively adhered to to-be-inspected power equipment and are used for storing communication information of power equipment in a character string way, and the communication information comprises an ID (Identity), the channel type and the channel parameters of the to-be-inspected power equipment; the handheld inspection terminal is used for reading a character string of the communication information, which is stored in the tags, of the to-be-inspected power equipment, and sending the obtained ID, the obtained channel type and the obtained channel parameters of the to-be-inspected power equipment to the data server through the communication network; the data server is used for receiving and storing inspection data of the power equipment so as to enable each inquire terminal to inquire. According to the power equipment inspection device disclosed by the invention, the inspection data can be transmitted to a management center in time, so that technical staff in the management center can know equipment situations in time, and a technical support is provided for inspection staff.

PPS film excelling in heat resistance and hydrolysis resistance is used in at least a portion of a seal film for solar cell to thereby not only reinforce the seal film in deterioration by external environment but also inhibit deterioration of the gas barrier property thereof by long-term use having been a problem of the prior art so as to attain environment resisting properties (resistances to heat, hydrolysis, weather, chemical, etc.) of good balance, realizing a seal film markedly excelling in long-term reliability. Further, there is provided a solar cell module utilizing the seal film. The seal film for solar cell module is one comprising a resin film layer having a layer of biaxially oriented film consisting of a resin composition composed mainly of poly-p-phenylene sulfide and comprising a gas barrier layer constituted of at least one member selected from the group consisting of a metal, a metal oxide, an inorganic compound and an organic compound, wherein the longitudinal and width direction heat shrink ratios at 150 DEG C of the seal film for solar cell module both fall within the range of -2.0% to +2.0%, and wherein the absolute value of any difference between the longitudinal and width direction heat shrink ratios at 150 DEG C is 2.0% or below.

The invention discloses a welding quality management system which comprises a welding quality management overall system server, a welding information acquisition system and a nondestructive inspection management system which are in networking connection. According to the welding quality management system disclosed by the invention, under the condition that an original welding machine is not changed, comprehensive online monitoring of actual welding parameters in the welding process is realized by adopting a non-invasive monitoring device and the reforming cost of enterprises is reduced. In addition, a non-invasive sensing acquisition module is suitable for welding machines with different model numbers and parameters and has higher generality; meanwhile, the troublesome of wiring is omitted, and thus the system is convenient to maintain; the welding quality management system has strong ant-jamming capability in a serious industrial field environment; and a user can realize comprehensive sensing of the welding process at lower cost and obtain important process data which cannot be monitored by a traditional mode or technology online.

The invention discloses an environment-friendly and durable sisal bag and a preparation method thereof. The environment-friendly and durable sisal bag comprises raw materials in parts by weight as follows: sisal fibers, shengma fibers, ramie fibers, bamboo fibers, carbon fibers, banana fibers, konjac starch, polyvinyl alcohol, polyvinyl chloride, aromatic particles, negative ion mineral particles, thermoplastic polyurethane, titanium dioxide, laccase, agar, a plasticizer, a surfactant, a plant extract solution and an antibacterial agent. The natural degradable fibers including the sisal fibers, the shengma fibers, the ramie fibers, the bamboo fibers, the carbon fibers and the banana fibers are selected as the main raw materials, the plastic bag can be degraded rapidly in a natural state by means of combined use of titanium dioxide and the laccase, and by means of cooperation with other additives such as the plasticizer, the surfactant and the like, the environment-friendly and durable sisal bag is easy to degrade and has higher environmental resistance, water resistance, durability and antibacterial property.

The invention relates to a turbine drilling tool bearing block having a permanent magnet bearing, which mainly consists of an upper joint, a connecting shaft, a radial bearing, a permanent magnet bearing group, a lower short block, a bearing block shaft and an outer housing. The permanent magnet bearing group comprises 15 to 25 pairs of permanent magnet bearings; and the permanent magnet bearing consists of a fixed magnetic ring, a movable magnetic ring, a shaft sleeve and an outer housing. The fixed magnetic ring and the outer housing are arranged on the inner wall of the outer housing; the movable magnetic ring and the shaft sleeve are arranged on the bearing block shaft; a structure of the movable magnetic ring, the fixed magnetic ring, the movable magnetic ring and the fixed magnetic ring in a staggered manner is formed is formed on the bearing block in the axial direction; and an axial gap exists between the adjacent planes of the fixed magnetic ring and the movable magnetic ring. The fixed magnetic ring and the movable magnetic ring are made of permanent magnet materials; the fixed magnetic ring and the fixed magnetic ring are magnetized in the axial direction and have opposite magnetizing directions; and the adjacent planes of the fixed magnetic ring and the movable magnetic ring are identical in magnetic pole. The permanent magnet bearing has the characteristics of no friction and no wear, and is simple in structure, convenient to manufacture and install, and long in service life.

The invention provides a highly stable latex paint and a preparation method thereof. The latex paint comprises 20-50 parts of a styrene acrylic emulsion, 2-8 parts of propylene glycol, 8-18 parts of hydroxyethyl cellulose, 7-16 parts of 3-aminopropyltriethoxysilane modified aqueous polyurethane, 5-10 parts of attapulgite, 0.1-2 parts of a mildew inhibition bactericide, 5-8 parts of dibutyl phthalate, 0.1-0.5 parts of an antifoaming agent and 20-55 parts of water. The latex paint has the advantages of simple formula, environmentally-friendly and pollution-free preparation process, strong environment resistance, difficult water separation and good levelability.

The invention relates to the field of optical films, and relates to a flexible copper mesh-based touch screen and a preparation method. The flexible copper mesh-based touch screen comprises a flexible copper mesh-based conductive film and an optical cement; the flexible copper mesh-based conductive film comprises a flexible transparent substrate, anti-reflection layers, and a copper mesh conductive layer; the anti-reflection layers are sputtered on an upper surface and a lower surface of a PET substrate, the transmittance of the substrate is improved, the reflected light on the surface is reduced, and then a copper metal conductive composite layer is sputtered on the surface of the anti-reflection layer at one side; the copper metal conductive layer is etched by use of a photolithographic process, thereby preparing a transparent conductive film with high transmittance and low resistance; the optical cement is used for adhering two transparent conductive films with the same structure to enable the copper mesh layer to contact with the optical cement, thereby obtaining an electrode structure for the touch screen. The visible light transmittance of the touch screen disclosed by the invention is higher than 98%, the surface sheet resistance is lower than 6 omega/sq, the chromatic value b* is less than 0.3, the reflectivity of the copper film surface is lower than 4%, and the reflectivity of the copper film back (PET film uncoated film) is less than 5%. And the reflectivity of the touch screen surface is less than 0.5%.

The invention provides a water-vapor separation device with an active drainage function. The water-vapor separation device comprises a vacuum water-vapor separation vessel, wherein a water accumulation membrane is arranged in the vacuum water-vapor separation vessel; one end of a first vacuum tube is communicated with the bottom of the vacuum water-vapor separation vessel, and the other end of thefirst vacuum tube is communicated with the atmosphere; one end of a second vacuum tube is communicated with the lateral part of the vacuum water-vapor separation vessel, and the other end of the second vacuum tube is communicated with a hollow fiber tube; an air inlet end of a second normally closed solenoid valve is communicated with the top of the vacuum water-vapor separation vessel; a first port of a first two-position three-way solenoid valve is communicated with an air outlet end of the second normally closed solenoid valve; an air inlet end of a vacuum pump is communicated with a second port of the first two-position three-way solenoid valve; a second port of a second two-position three-way solenoid valve is communicated with an air outlet end of the vacuum pump; an air inlet end of a second normally open solenoid valve is communicated with a third port of the second two-position three-way solenoid valve; and an air outlet end of the second normally open solenoid valve is communicated with the top of the vacuum water-vapor separation vessel. The water-vapor separation device provided by the invention solves the problems that the accumulated water is quickly discharged and water and vapor are not separated thoroughly.