64results about How to "Should not be lost" patented technology

A portable communication terminal able to be worn on wrist is composed of a main body consisting of the first part with display screen, the second part with numeral keys and the third part, and a carrying unit for wearning it on wrist.

The invention relates to a processing method for a dried chive product. The processing method comprises the following steps of: picking, cleaning and sterilizing raw materials; cutting the raw materials into segments; drying the raw materials in an oven; sorting the raw materials; sampling the raw materials for inspection; freezing and packaging the raw materials; and putting the product in a warehouse. When the processing method provided by the invention is adopted, the defect that fresh chive cannot be stored for a long time is greatly overcome, and the condition of incapability of using the chive due to season, place of origin and the like can be effectively adjusted. The chive can be recovered when being immersed in fresh water; and original color, nutrition and special flavor of the chive are reserved.

The invention relates to an automatic firefighting explosion-prevention system and method for a bus. The automatic firefighting explosion-prevention system is characterized by at least comprising nozzles, a firefighting bottle, a control box and an audible and visual alarm, wherein the firefighting bottle is communicated with a plurality of nozzles through pipelines; the firefighting bottle and the audible and visual alarm are electrically connected with the control box respectively; the control box is electrically connected with a plurality of detectors through internal CAN buses. Due to the adoption of the whole system, monitoring on fire hazard or explosion in a whole carriage can be achieved, a fire extinguishing agent can be sprayed into the whole carriage in all directions, automatic alarm and automatic firefighting bottle driving can be achieved, and the rapid fire fighting and explosion prevention properties of the bus can be effectively improved.

This invention relates to a planting bed cofferdam for hydrophyte and making method. Said cofferdam includes timber pile and fascine, wherein the timber pile is uniformly distributed along planting bed, fascine located on the side of timber pile in planting bed, all fascine is bundled on timber pile, they are all nailed into river bed, then filled with panting soil to obtain the coefferdam. Said invention can be used in wet land landscaping.

The invention relates to a greening method for strand hillside, belonging to the wetland formation technology. Timber pile and sallow are used to fabricate the greening at strand hillside. Osier is used to protect bank of waterside. Osier is collected round the greening land to weave fagot. The fagot also adopts other shoot of broadleaved tree species and willow scion is adopted on timber pile. The timber pile is thrown into the slope and weaved osier is made into fence. The slope is cover with soil at the position where the timber pile is thrown and sand or riprap is collected at the lower of soil covered to reinforce. The osier can take root and shoot up after dipping and two to three months is needed from cutting to rooting. By above mentioned operation the purpose of wetland bank protection of waterside is achieved. A manufacturing method for the greening of bank protection of waterside is provided for modern wetland landscape garden and can be widely applied in landscaping work of wetland landscape.

The invention relates to a catalyst of methyl glycolate hydrogenation to produce ethylene glycol, and a preparation method and an application of the catalyst. The catalyst includes, on the basis thatthe total weight of the catalyst is 100 parts, a) 5-25 parts of an active component selected from at least one of nickel of nickel oxide; b) 0.5-8 parts of an additive, selected from at least one metal or oxide thereof of barium, zinc, copper, calcium, magnesium, cobalt, manganese or molybdenum; c) 67-94.5 parts of a supporter, selected from at least one of aluminum oxide, titanium oxide and zirconium oxide after high-temperature roasting lanthanum modification. In the catalyst, the non-noble component nickel is low in cost, and the preparation method is relatively simple and controllable andis not liable to cause loss of active components. The catalyst is wide in temperature operation window and is not liable to be inactivated. The catalyst is used for methyl glycolate hydrogenation andhas high conversion rate of the methyl glycolate, is low in generation of side products, and has great stability.

The invention relates to a preparation method and application of a carbon-coated nano copper-zinc-aluminum catalyst. The method comprises the following steps: mixing a carbon-based material with a metal compound, adding ethanol, and stirring to obtain slurry; drying for 20-28 hours to obtain a precursor of a carbon-coated material; heating at 200-700 DEG C to obtain a carbonized compound; and thenadding the carbonized compound to concentrated hydrochloric acid to obtain an activated carbonization compound; and calcining under nitrogen protection to obtain a carbon-coated nano copper-based catalyst. The preparation method is used for preparing neopentyl glycol by hydrogenating hydroxypivalaldehyde, and has the advantages of high activity and loss resistance.

The invention relates to the field of catalysts and provides a catalyst for synthesizing methyl isobutyl alcohol and isopropanol from acetone, and a preparation method and an application of the catalyst. The catalyst includes, on the basis of total weight, a) 0.5 to 8 parts of at least one of copper or copper oxides; b) 0.5 to 10 parts of at least one of cobalt or cobalt oxides; c) 82 to 99 partsof a supporter which is selected from at least one of silicon oxide, aluminum oxide and zirconium oxide after high-temperature roasting titanium modification. In the catalyst, the active components, Cu and Co, are supported on the titanium-modified supporter through an ammonia evaporation method, so that distribution of the metal active components is more uniform and interaction between the activecomponents and the supporter is enhanced, thus improving activity and stability of the catalyst. The catalyst is low in cost due to use of the low-content non-noble metals, Cu and Co. The catalyst can be used for not only preparing the methyl isobutyl alcohol but also co-producing the isopropanol. The catalyst makes an industrial production device to have stronger adaptive capability on market and can increase enterprise profit.

The invention discloses potassium and manganese composite oxide and a preparing method and application thereof to diesel vehicle tail gas purification.The molecular formula of the composite oxide is K2-xMn8O16, wherein 0<x<2.The potassium and manganese composite oxide is of a special tunnel structure, potassium is located in a tunnel of the composite oxide and not prone to loss, initiation temperature of soot can be reduced substantially, soot combustion is effectively catalyzed, the composite oxide can serve as a catalyst for catalyzing soot combustion, a diesel particulate filter (DPF) can be regenerated well, and the purpose of eliminating soot on the working condition of a diesel vehicle can be achieved by using the potassium and manganese composite oxide.

The invention relates to a catalyst for preparing methyl isobutyl ketone from acetone by a one-step method as well as a preparation method and application thereof. The total weight of the catalyst is100 parts by weight, and the catalyst comprises the following components in parts by weight: a, 0.5-8 parts of at least one of copper or copper oxides; b, 0.01-0.2 part of at least one of palladium orpalladium oxides; and c, 82-99.49 parts of a carrier, wherein the carrier is selected from at least one of silicon oxide, aluminum oxide and zirconium oxide modified by high-temperature roasted titanium. The catalyst can be used under milder reaction conditions, the yield of the methyl isobutyl ketone is higher than that of a palladium / resin catalyst which is commonly used by an existing industrial device, and meanwhile byproduct methyl isobutyl alcohol is produced; in addition, the catalyst shows ideal stability. In addition, the cost of the catalyst is remarkably lower than that of an existing palladium catalyst, and the catalyst has relatively good economic benefits and is worthy of popularization and application.

The invention relates to a gas tank header part of a thermal expansion valve and a machining method thereof, belonging to the technical field of refrigeration control. The gas tank header part comprises a gas tank cover body with an introduction hole, a gas tank seat body and a diaphragm sheet, wherein the gas tank cover body is welded with the gas tank seat body and the diaphragm sheet to form a temperature sensing chamber, and a capillary tube is welded on the introduction hole of the gas tank cove body. The gas tank head part is characterized in that the capillary tube is provided with a protrusion part connected with the gas tank cover body through welding. A combination method of the gas tank header part comprises the steps of: machining the protrusion part on an abutment or a curled edge of the capillary tube; penetrating the capillary tube through the introduction hole of the gas tank cover body; adding a high-temperature fusion material onto an outer edge surface and a protrusion end, corresponding to the gas tank cover, of the capillary tube to carry out welding; and welding the gas tank cover body, the gas tank seat body and the diaphragm to form the gas tank header part. By means of the structural improvement in the invention, the area of a welding contact region between the capillary tube and the gas tank cover is increased, and the welding reliability of the capillary tube is enhanced.

The invention relates to a material-filled cylinder for water in-situ purification and a construction method thereof. A cheap material is used to create a roughly-enclosed cylinder structure, wherein the cross-section of the cylinder can be in a round shape, a rectangular shape, an egg shape, or the like. Plastic filling materials (a semi-soft filling material or a soft filling material) are filled into the cylinder. The cylinder can be provided with an aeration device and a pipeline. Then the purification cylinder is arranged under water to a certain depth and forms an inclined angle with the horizontal direction. Through the scheme mentioned above, the water in a deep position can be introduced into the cylinder, and then the water is purified in the cylinder and is conveyed to the water surface so as to increase the oxygen content of the water. Due to the enclosed cylinder structure, the problem that shallow water purification efficiency is very low for most aeration methods is solved. The provided cylinder has the characteristics of rapid effect, high efficiency, and multiple functions. The construction material can be composed of cheap materials, and a frame structure is adopted so as to maximally reduce the cost.

The invention relates to an apparatus for realizing intelligent data measurement through sensor and a Bluetooth communication mode. The apparatus comprises an adjustable resistor device, an angular velocity sensor, a Bluetooth control chip and a structure device with a magnetic field sensor. The same measurement function can be realized through the following two combination forms: 1, the adjustable resistor device is placed in the center axis of a flexible ruler, the knob of the adjustable resistor device linearly adjusts with the pulling of a ruler bar to realize resistance change, and the Bluetooth control chip and the power supply module of a shell are combined to form an intelligent ruler for realizing dimension measurement and Bluetooth data transmission through detecting resistance change; and 2, the angular velocity sensor is fixedly arranged in the center axis of the flexible ruler, and rotates with the pull-out of the ruler bar to generate an angular velocity, and a magnet piece and magnetic sensor structure device arranged at the outlet of the ruler bar is combined with the Bluetooth control chip and the power supply module to form an intelligent ruler for realizing dimension measurement and Bluetooth data transmission through the angular velocity sensor.

The invention relates to the field of catalysts and provides a catalyst for synthesizing methyl isobutyl ketone and methyl isobutyl alcohol from acetone, and a preparation method and an application ofthe catalyst. The catalyst includes, on the basis of total weight being 100 parts, a) 0.5 to 5 parts of at least one of nickel or nickel oxides; b) 0.5 to 10 parts of at least one of cobalt or cobaltoxides; c) 82 to 99 parts of a supporter selected from at least one of silicon oxide, aluminum oxide, and zirconium oxide after high-temperature roasting titanium modification. The catalyst works under a gentle reaction condition and is higher in yield of the methyl isobutyl ketone than a palladium / resin catalyst that is applied commonly in industrial devices in the prior art. The catalyst also can be used for co-producing methyl isobutyl alcohol. The cost of the double-metal catalyst is significantly lower than that of the palladium catalyst in the prior art, so that the catalyst has excellent economic benefit.

The invention belongs to the technical field of ecological environment-friendly materials, and particularly relates to a method for removing formaldehyde through photocatalysis of a zinc / antimony double-component loading type nano silicon carbide material. According to the method, zinc sulfate used as a zinc precursor and antimonyl potassium tartrate used as an antimony precursor are loaded on amination-modified nano silicon carbide particles to form a catalytic material with high specific surface area; the catalytic material can be used for catalytically degrading indoor formaldehyde gas, formaldehyde gas in vehicles, formaldehyde wastewater and phenol resin wastewater.

To excite learning interest of kids, achieve a good teaching purpose and enable the kids to learn happily, the invention provides a preschool calculator template which can excite interest of kids and can also achieve the automatic correcting purpose.The template is divided into a digital area, an operative symbol area, a digital area, an operative symbol area and a digital area from left to right.The back faces of the digital areas are iron plates, the back faces of the operative symbol areas are magnetic plates, magnet blocks are embedded in the digital areas, and iron blocks are embedded in the operative symbol areas.The template can induce the kids to correctly put digitals and operative symbols during kid digital arithmetic teaching, when the kids put the digitals and the operative symbols wrongly, the digitals and the operative symbols will slide down and are not firm, and therefore the kids can imperceptibly and automatically distinguish the digitals, the operative symbols and the correct permutation modes, and the happy teaching purpose is achieved.The template is simple in structure and low in cost.The digital blocks and the operative symbol blocks can be adsorbed to the template when not used, and therefore the digital blocks and the operative symbol blocks are not lost easily, teachers and parents can collect and clear up the template more conveniently, and the template is convenient to popularize.

The invention discloses a sea wave imitating ship sewage treatment and resource recycling system and method. The system comprises a comprehensive pretreatment tank (1), a sea-wave-imitating pre-degradation bed (2), a sea-wave-imitating biological bed (3), a shallow sedimentation tank (4), a nature-imitating filter tank (5) and a clear water disinfection tank (6) which are communicated through pipeline hydraulic baffling to form a concentric-square-shaped structure. The cross section of the system is rectangular, and is preferably square, the system particularly meets the use requirements of ships with narrow cabin spaces, efficiently and intensively utilizes limited spaces, is slightly influenced by shaking of ship bodies, can ensure that processes of pre-sedimentation, oil removal, degradation, adsorption, post-sedimentation, filtration, disinfection and the like are connected with one another among the tank bodies and exert respective advantages through division of work and cooperation, and remarkably improves the sewage treatment effect. According to the invention, various sewage generated by ship operation can be comprehensively treated, the difficulties of complex system and high investment in quality-divided treatment of various sewage are avoided, the problem of ship water pollution is thoroughly solved, and the purposes of impact resistance, high efficiency, low cost and less maintenance are achieved.

The invention relates to the technical field of grounding devices, in particular to a composite grounding module and a preparation method thereof. The composite grounding module comprises a groundingmodule carrier and a metal electrode partially wrapped in the grounding module carrier, and the grounding module carrier is composed of, in percentage by mass, 50% of petroleum coke, 35% of coal tar pitch coke and 15% of graphite. The composite grounding module is prepared by sequentially performing burdening, grinding, kneading, forming, roasting, calcining, graphitizing and maintaining. The composite grounding module has the advantages of high strength, corrosion resistance, good resistance reduction effect and long service life.

The invention belongs to the technical field of eco-environmental protection materials, and in particular relates to a method for photocatalytically removing formaldehyde with a zinc / antimony dual-component loaded nano-silicon carbide material. In the present invention, zinc sulfate is used as a zinc precursor, potassium oxyantimony tartrate is used as an antimony precursor, and a catalytic material with a high specific surface area is formed by hydrothermally loading on aminated modified nano-silicon carbide particles, which can be used for catalytic degradation Indoor formaldehyde gas, car formaldehyde gas, formaldehyde wastewater and phenolic resin wastewater.

The invention discloses a functional bag attached on an arm, and belongs to the field of articles of everyday use. The functional bag attached on the arm comprises a functional bag body, and a wrist support and an elbow support connected with the functional bag body, wherein a buckle ring is arranged at one end of the wrist support, and a buckle hole matched with the buckle ring is formed in the other end. The functional bag can be directly arranged on the arm through the wrist support and the elbow support, thus releasing both hands; the functional bag, which can be taken along, is more convenient than a handbag, and is difficult to loss and more difficult to loss things therein; and the functional bag can be skillfully matched with clothing, shoes and hats, and is fashionable and trendy.

The invention discloses a planetary tooth shape chain system imitating a mole cricket surface structure. The planetary tooth shape chain system comprises a bionic drive chain wheel, a bionic driven chain wheel, a tooth shape chain, a planet carrier, a rolling bearing and a rotating shaft, wherein the tooth shape chain is wound on the bionic drive chain wheel and the bionic driven chain wheel; the rotating shaft is arranged on the bionic drive chain wheel; the rolling bearing is arranged on the bionic driven chain wheel; and the two ends of the planet carrier are arranged on the bionic drive chain wheel and the bionic driven chain wheel separately. The planetary tooth shape chain system is designed by reference to planetary motion, the driven chain wheel can perform rotation and revolution on a plane, the breakthrough from single torque output form to multiple power output forms of the tooth shape chain system is achieved, abrasion resistance between chain plates and the chain wheels and between the chain plates and hinge pins is obviously improved, the tooth shape chain system can keep a good lubricating condition for a long time during operation, the purposes of adhesion reduction and resistance reduction are achieved, and comprehensive performance of the system is effectively improved.

The invention belongs to the technical field of fixing devices, and discloses a buckle type fixing structure. The buckle type fixing structure comprises a base body and an inserting piece, wherein thebase body is provided with an inserting groove and a mounting groove, the inner wall of the inserting groove is provided with a first inner buckle, one end of the mounting groove is closed, the otherend of the mounting groove is open, the open end is used as an insertion opening, a fixing piece can be inserted into the mounting groove through the insertion opening, the inserting piece comprisesa clamping part and a blocking part, the side surface of the clamping part is provided with a first outer buckle and a second outer buckle, the clamping part is movably inserted into the inserting groove, when the first inner buckle is located between the first outer buckle and the second outer buckle, the inserting piece can slide relative to the base body, the blocking part can open the insertion opening, and when the first outer buckle crosses over the first inner buckle and is connected with the first inner buckle in a buckled mode, the inserting piece is fixedly connected to the base body, the blocking part blocks the insertion opening, and the fixing piece inserted in the mounting groove is fixed. According to the buckle type fixing structure provided by the invention, the fixing piece can be fixed more firmly, and the operation is simple and convenient.

The invention relates to a damp conduction breathable garment with gloves. The garment comprises a garment body (1), the gloves (2) are arranged on the hand back sides of cuffs of the garment body (1), the gloves (2) are U-shaped bags, the opening sides of the gloves (2) are connected with the cuffs, matched buttons (3) are arranged on the gloves (2) and sleeves respectively, the buttons (3) can be buckled mutually when the gloves are reversely folded to be attached to the sleeves, the garment body (1) is made of fabric, the fabric comprises warp yarn and weft yarn, spun rayon yarn is adopted as the warp yarn, blended yarn of hemp / richcel fibers is adopted as the weft yarn, and the warp yarn and the weft yarn are arranged perpendicularly. The garment is convenient to use and not prone to being lost.

In the present invention, an S-adenosyl homocysteine ​​hydrolase mutant is screened out by error-prone PCR and shuffling methods, which comprises N27A, M38H, L45I, N27A, M38H, L45I, Mutations at any two or more amino acid sites of E65D, T84S, Y110F, N126D, P176A, K204D, T276S, V316A, A368V. The mutant has doubled its activity, improved stability, and better heat resistance. The invention also discloses nucleic acid encoding the S-adenosyl homocysteine ​​hydrolase mutant, an expression vector including the nucleic acid, and a host cell including the expression vector.

The invention discloses a function bag for arms, and belongs to the field of daily necessities. The function bag comprises a function bag body, a wrist support and an elbow support. The wrist supportand the elbow support are connected with the function bag body. A fastening ring is arranged at one end of the wrist support, and a fastening hole matched with the fastening ring is formed in the other end of the wrist support. A connection portion is arranged at one end of the elbow support, and a connected portion matched with the connection portion is arranged at the other end of the elbow support. The connection portion and the connected portion are made of extensible materials. The function bag has the advantages that the function bag with the wrist support and the elbow support can be directly arranged on the arms, so that the function bag frees two hands, is portable and more convenient than hand bags, is not easy to loss, and can be matched with clothing and shoes ingeniously to achieve fashionable effect; things in the function bag are also not easy to loss.

The invention relates to the field of daily life, and concretely relates to a glass cutter having an adhesive bandage. The glass cutter having the adhesive bandage comprises the adhesive bandage, the glass cutter and an inner chamber. The inner chamber is arranged in the glass cutter, and the adhesive bandage is provided in the inner chamber. The glass cutter has the advantages that the adhesive bandage and the glass cutter are combined together, wound can be timely cleaned, the adhesive bandage is portable, and conditions of losing and forgetting can be avoided.

The invention relates to a good-dimensional-stability garment with gloves. The garment comprises a garment body (1), the gloves (2) are arranged on the hand back sides of cuffs of the garment body (1), the gloves (2) are U-shaped bags, the opening sides of the gloves (2) are connected with the cuffs, matched buttons (3) are arranged on the gloves (2) and sleeves respectively, the buttons (3) can be buckled mutually when the gloves are reversely folded to be attached to the sleeves, the garment body (1) is made of fabric, the fabric is formed by interweaving warp yarn and weft yarn, the warp yarn and the weft yarn are arranged in the mode with two upper pieces of the warp yarn and two lower pieces of the weft yarn, the warp yarn is 50D / 72F dacron low stretch yarn, the weft yarn is 5D / 36F dacron low stretch yarn, and the warp yarn and the weft yarn are of a twill weave structure. The garment is convenient to use, not prone to being lost and good in dimensional stability.

The invention relates to a processing method for an ornamental kale dry product, comprising the following steps of: picking raw materials, cleaning, sterilizing, slicing, drying in a baking oven, separating, carrying out sampling observation, freezing, packaging and warehousing. The method provided by the invention is used to greatly improve the defect that fresh kale borecole is not easy to store for a long time and effectively adjust the case that the kale borecole can not be eaten due to reasons such as season and producing area. By the adoption of the processing method, the ornamental kale dry product is convenient to eat, can recover if immersed into clear water when eaten, and can be cooked according to a routine method.

This invention relates to a planting bed cofferdam for hydrophyte and making method. Said cofferdam includes timber pile and fascine, wherein the timber pile is uniformly distributed along planting bed, fascine located on the side of timber pile in planting bed, all fascine is bundled on timber pile, they are all nailed into river bed, then filled with panting soil to obtain the coefferdam. Said invention can be used in wet land landscaping.

The invention relates to a catalyst for preparing methyl isobutyl ketone by acetone one-step method in the field of catalysts, and a preparation method and application thereof. The catalyst for preparing methyl isobutyl ketone by the acetone one-step method is measured by taking the overall weight of the catalyst as 100 parts, and includes the following components: a, 0.5 to 8 parts of at least one from copper or copper oxides; b, 0.01-0.2 parts of at least one of palladium or palladium oxides; c, 82-99.49 parts of a carrier selected from at least one of silicon oxide, aluminum oxide and zirconium oxide modified by high temperature calcined titanium. The catalyst can be used under milder reaction conditions, the yield of methyl isobutyl ketone is higher than that of the palladium / resin catalyst commonly used in existing industrial devices, and methyl isobutyl alcohol is by-product at the same time. In addition, the performance of the catalyst is higher. ideal stability. In addition, the cost of the catalyst of the invention is significantly lower than that of the existing palladium catalyst, has good economic benefits, and is worthy of popularization and application.