49results about How to "Easy to decompose" patented technology

The invention discloses a traditional Chinese medicine pesticide and belongs to the technical field of pesticides. The traditional Chinese medicine pesticide is prepared from the following crude drugs in parts by weight: 9-11 parts of anemarrhena asphodeloides, 9-11 parts of gardenia jasminoides, 9-11 parts of forsythia suspensa, 9-11 parts of radix stemonae, 4-6 parts of lonicera japonica, 2-4 parts of sophora flavescens, 2-4 parts of giant typhonium rhizome, 2-4 parts of illicium verum, 2-4 parts of common carpesium fruit, 2-4 parts of ulmus macrocarpa hance, 4-6 parts of rhizoma cimicifugae, 2-4 parts of folium artemisiae argyi, 4-6 parts of radix adenophorae, 2-4 parts of radix lithospermi, 4-6 parts of bunge corydalis herb, 2-4 parts of acorus calamus, 4-6 parts of garden balsam stem and 4-6 parts of radix isatidis. The invention also discloses a preparation method of the traditional Chinese medicine pesticide and an application of the traditional Chinese medicine pesticide to prevention of crop aphids, mites, viral diseases and cabbage worms. The crude drugs of the traditional Chinese medicine pesticide have different pharmacological characteristics; good insect killing, insect expelling and sterilization effects are achieved after the compatibility of the crude drugs; diseases can be prevented and cured; the application range is quite wide.

The invention relates to a wet strength agent which is mainly prepared by compounding a permanent wet strength agent and a temporary wet strength agent. The invention also relates to a paper production technology using the wet strength agent and paper manufactured by the paper production technology. Compared with the prior art, the the wet strength agent, the paper production technology and the paper have the advantages that the difference in increasing paper wet strength performance between the permanent wet strength agent and the temporary wet strength agent is skillfully used, and a certain quantity of temporary wet strength agent is added to replace partial permanent wet strength agent so that the manufactured paper can guarantee good wet strength in a using process and is easy to decompose and recover.

The invention discloses a preparation method of foamed polypropylene beads. The method comprises the following steps that 1, polypropylene resin, an active filler and auxiliaries are added into a high-speed mixing machine and mixed to be uniform at the temperature of 10-20 DEG C, and a polypropylene foaming material is obtained; 2, the polypropylene foaming material is added into a triple-screw extruder, plastification and mixing are conducted, a supercritical fluid is injected, the mouth mold pressure is controlled to be 5-25 MPa, the mouth mold temperature is 110-160 DEG C, instant pressure release is conducted through a mouth mold, foaming is conducted, and super-fine hole foamed polypropylene is obtained; 3, super-fine hole foamed polypropylene is subjected to mold surface water-ring hot-cutting granulation, drying and sieving, and the foamed polypropylene beads are obtained. The method is low in production cost, high in capacity, safe and environmentally friendly, no foaming agent decomposed residue exists in the prepared foamed polypropylene beads, secondary foaming can be conducted, the foaming ratio can be adjusted, the rebound resilience of a finished product is high, decomposing and recycling are easy, and the foamed polypropylene beads can be widely used in the fields of plastic packaging, transportation industry, military aerospace, office supplies and the like.

The invention discloses a high tension coil for a transformer. The high tension coil has a multi-section cylinder structure and is wound on support strips which are uniformly distributed on an insulation cylinder. All sections of the coil are isolated from one another by annular insulation plates and air; an insulation grid plate is wrapped outside each section of the coil; and the upper and lower ends of the coil are provided with insulation end rings and positioned by the support strips and gaskets which are sleeved on the support strips. The annular insulation plates are clamped and positioned by the support strips and the gaskets which are sleeved on the support strips so as to form radial air channels. The cross section of the cylinder coil is circular, rectangular or oblong. The high tension coil has the advantages of a cake coil, namely the high tension coil radiates heat well, and has strong overload capacity, and materials can be recycled; and the high tension coil also has the advantages of simple structure and mould and short production cycle, can be easily obtained through winding without casting, and has a flat appearance and insulation protection layers of an encapsulated coil, integrates the advantages of the encapsulated coil and a non-encapsulated coil, and is very suitable for the dry transformer.

The invention discloses a wood conditioning method. The method comprises following steps of immersion treatment, primary heating and humidifying treatment, primary drying, primary cooling, secondary heating and humidifying treatment, secondary drying, secondary cooling and ventilation drying. According to the wood conditioning method, the high-temperature and low-temperature alternative drying manner is adopted to reduce the wood water containing rate, through immersion treatment, ammonium bicarbonate is guided into the wood, due to alkalescence of an ammonium bicarbonate solution, cellulose on the wood cell wall can be swelled up, introduction of subsequent heat and water flowing can be facilitated, according to high-temperature and high-humidity treatment, overheat water steam is used for forming partial pressure so as to move water out of the wood, through cooling, temperature gradient is used for diffusing water to the outer portion, the high temperature drying and the low temperature drying are alternatively carried out, the water containing rate of the wood is reduced to the proper range, the anti-mildew anti-corrosion property of the wood can be increased, consumed time is short, and energy consumption is small.

The invention discloses a glue-free bamboo shaving board and a preparation method thereof. The preparation method includes: subjecting bamboo shavings obtained by chipping and flaking bamboo and bamboo chips obtained by screening bamboo processing leftovers to drying, treating by applying treatment liquid obtained by mixing distilled bamboo vinegar and strong acid, airtight aging, high-temperaturesteaming, paving and hot pressing. By subjecting the bamboo shavings to treating with acidic treatment liquid, airtight aging and high-temperature steaming, ingredients like starch, sugar and tannincontained in the bamboo are activated; part of lignin is fused under action of the acidic treatment liquid in the process of hot pressing to form a gelatinous substance, and the glue-free shaving board is obtained by glue-free gluing under hydrothermal action during hot pressing. No adhesive is used in the process of production, and the glue-free bamboo shaving board is free of chemical substanceslike formaldehyde, thereby being an environment-friendly artificial board, and can be widely used as an indoor decorating material or for furniture manufacturing.

The present invention relates to an indoor side air flowing device of integral air conditioner. It includes indoor heat exchanger, air guide mechanism and scroll surface mounted on its back, and between indoor heat exchanger and air guide mechanism a partitio board and a discharge separator are set, the air guide mechanism can be used for guiding indoor side air and making it flow, the upper end of air guide mechanism is equipped with a discharge guide mechanism, the partition board can be removably placed on the air guide mechanism, and the discharge separator can be rotatably mounted on the upper end of the partition board according to a certain angle to separate the discharge guide mechanism from the portion on which the heat exchanger is placed. It can make indoor side air flow accurately and can raise efficiency of air conditioner.

The invention provides a container with a lid, which is hygienic and has high insulation. The upper and lower covers can be integrally taken out, and the pressure-reducing state in the body can be released. The container comprises a container body (2) having an opening part, a lower cover (4) connected to the container body in a threaded manner, and an upper cover (5) embedded with the lower cover. The lower cover comprises an air hole (13) which is disposed at the center of the lower cover and is communicated with the inside and outside, and elastic filler (14) which is disposed at the lower part of the lower cover and abuts against the inner surface of the container body. The upper cover is provided with air hole sealing filler (23) having an elastic sealing part (38). One end of the inner wall of the lower cover or the outer wall of the upper cover is provided with a clamping boss (16), and the other end is provided with a clamping groove (22). The receiving and clamping boss comprises an open-state receiving part (34) keeping the upper cover in an open state, and a close-state receiving part (31) keeping the upper cover in a close state. The container with a lid can keep the upper and lower cover integrally.

A polyfluoroalkylphosphonic acid ester represented by the general formula: C_nF_2n+1(CH₂CF₂)_a(CF₂CF₂)_b(CH₂CH₂)_cP(O)(OR)₂ (R is an alkyl group having 1 to 4 carbon atoms, n is an integer of 1 to 6, a is an integer of 1 to 4, b is an integer of 1 to 3, and c is an integer of 1 to 3) is produced by a process of reacting a polyfluoroalkyl iodide represented by the general formula: C_nF_2n+1(CH₂CF₂)_a(CF₂CF₂)_b(CH₂CH₂)_cI with a trialkyl phosphite represented by the general formula: P(OR)₃ or by a process of reacting a polyfluoro-1-alkene represented by the general formula: C_nF_2n+1(CH₂CF₂)_a(CF₂CF₂)_bCH═CH₂ with a dialkyl phosphite represented by the general formula: (RO)₂P(O)H.

The invention discloses an upright tube hoisting multifunctional tool of a substation altitude plant. The upright tube hoisting multifunctional tool of the substation altitude plant mainly aims to solve the problems of low security measure, inconvenience in assembling and disassembling and small working range of upright tube hoisting tools, such as a switch blade contact overhauling platform, a safety belt suspension bracket, a 220kv substation altitude plant lightning arrester and the like. The upright tube hoisting multifunctional tool of the substation altitude plant is characterized in that a fixed base is provided with a supporting seat; the supporting seat is hinged to a shore; the supporting seat is also provided with a shore locking mechanism; the upper end of the shore is detachably connected with an upright tube of which the end part is provided with a stay cord; the upright tube is also provided with a working platform and a lazy arm group. The device is also provided with a fastening ring, wherein the fasting ring is used for being detachably connected with a plant substrate. The upright tube hoisting multifunctional tool of the substation altitude plant, which is provided by the invention, is easy to assemble and disassemble. The device only needs to be laterally put on the ground, is sheathed into an assigned position and is quickly set up by the stay cord and the shore. The device is provided with the working platform and the lazy arm group, and therefore the device has the advantages of large working range and high safety measure.

The invention discloses a golden mushroom medium and its preparation method. The formula of the medium comprises: by weight, 40-50% of herb of alligator alternanthera, 20-25% of rice straw, 3-5% of soybean meal, 10-15% of soluble starch, 1-3% of gypsum, 0.5-1% of calcium superphosphate and 0.5-1% of magnesium sulfate. According to the golden mushroom culture method, its manufacturing and production costs are low, production costs are saved, and economic benefit of golden mushroom is raised. Meanwhile, the grown golden mushroom contains other nutrient contents which are not contained in other golden mushrooms. Thus, nutritive value of golden mushroom is raised.

The invention discloses a method for solving the soil alkalization problem with assistance of mesembryanthemum-crystallinum crop rotation. The method includes the following steps that an organic substrate is prepared from fermented sasangua cakes, lime, fermented oil cakes, decomposed straw and decomposed livestock manure; sasangua cakes, oil cakes and straw are composted, fermented and decomposedfor 20 days to 30 days, and the livestock manure is composted, fermented and decomposed for 35 days to 45 days; seedlings of mesembryanthemum crystallinum are cultivated in August to September, and the seedling stage is 30 days to 35 days; in protected areas, 1,500 kg of auxiliary materials per mu are broadcasted in a greenhouse; the size of open boxes of the protected areas is 1.2 m to 1.4 m, and the planting row spacing is 30 cm*40 cm. According to the method, the certain control effect on the greenhouse continuous cropping obstacle of soil alkalization is achieved, the mesembryanthemum crystallinum is used as a crop rotation variety, sodium in soil is efficiently absorbed, and the high content of soil sodion can be released while growth and development of the mesembryanthemum crystallinum are facilitated; compared with other methods, the method is simple and easy to operate and obvious in effect.

The invention discloses a chewing gum base, which comprises the following materials by weight: 30-40 parts of beeswax and 15-25 parts of wheat gluten, and the chewing gum is good in chewiness and can be swallowed; the invention also discloses a chewing gum containing the chewing gum base, the formula of the chewing gum is unique, the chewing gum has no chemical additive, has the effects of antioxidation and free radical scavenging and is popular among consumers; and the invention also discloses a preparation method of the chewing gum, which is simple in processing step, is free from using special devices and is suitable for mass production.

The invention relates to a mini roller press. To be particular, the roller press comprises: a housing (10) with a charge port (11) and a discharge port (13); a forming roller module (20) comprising a driving cylinder (21) placed in the housing (10) and used for compression forming of powder loaded via the charge port (11) and a driven cylinder (23) forming a pair with the driving cylinder (21); and a roll pressing device (30) which conducts pressure adjustment of the cylinders of the forming roller module (20) in case the load applied to the cylinders is too large so as to guide a part of or the whole displacement of the cylinders.

The invention relates to the field of building materials, in particular to a special cleaning agent for a water permeable brick and water permeable concrete. The special cleaning agent is prepared from the following materials in percentage by weight: 6 to 10 percent of water-soluble high molecular polymer, 7 to 10 percent of sodium carbonate, 1 to 5 percent of anhydrous sodium sulfate, 0.2 to 1 percent of sodium hydroxide and 74 to 85 percent of microbial flora, wherein the water-soluble high molecular polymer is polyacrylamide; the microbial flora are one or any combination of bacillus subtilis, hybrid bacterium, burkholderia, bacillus circulans and bacillus amyloliquefaciens. The decomposition function of the microbial flora is utilized; the advantages of non-toxicity, no smell, easy decomposition, no environment influence, low cost and the like are used; sundries in pores of the water permeable brick and the water permeable concrete can be cleared.

The invention discloses a soybean sprout sauce production process, and belongs to the field of sauce manufacture processes. The soybean sprout sauce production process is characterized by sequentially including the procedures of material preparation, soybean soaking, sprouting and sprout taking, cooking, starter making, fermentation and boiling. The soybean sprout sauce production process can overcome the shortcomings of the prior art, the soybeans and flour serve as raw materials, soybeans sprout, soybean sprouts are extracted, the soybeans are cooked, starter making time is properly shortened, white spirit is added at a fermentation earlier stage, fermentation time is shortened, grain making brine concentration is increased, fermentation period is shortened by 20 days, every soybean is complete, soybean sprout sauce is soft, quite delicious and mellow in taste, and the quality of the soybean sprout sauce is superior to that of an existing process.

The invention relates to application of an asarum extract in preventing and controlling two spotted spider mite. The asarum extract is prepared by the method comprising the following steps of: washing whole asarum herbs, drying in the shade, crushing by using a plant crusher, screening by using a 40-mesh sieve, adding 2-10 times of 95% ethanol, settling at room temperature, leaching for 1-7 days, stirring occasionally during leaching, and filtering to obtain a leach liquor; adding 2-10 times of 95% ethanol again into the filter residue, and extracting twice according to the above-mentioned method; and concentrating under reduced pressure by using a rotary evaporator to obtain the asarum extract. Various conventional auxiliary materials required by preparing different pesticide preparations can be added into the asarum extract, a pesticide missible oil solution can be prepared by using the conventional preparation process. Compared with chemically prepared pesticides, the asarum extract has the advantages of high effect, low residue and harmony with the environment and other living beings.

The invention provides a method for synthesizing methionine hydroxy analogue by continuous and rapid hydrolysis of 2-hydroxy-4-methylthio butyronitrile. The method comprises the following steps: feeding acid and 2-hydroxy-4-methylthio butyronitrile into a microchannel reactor loading a solid catalyst for reaction, controlling the reaction temperature to be 80 to 130 DEG C and the pressure to be 0.1 to 0.5MPa, ensuring that the residence time of a reactant in a micro channel is 1 to 10min, adding water into the mixed liquid flowing out from the microchannel reactor, continuously hydrolyzing for20 to 60min, and ensuring that the reaction temperature to be 100 to 140DEG C and the reaction pressure to be 0.1 to 0.6MPa to obtain the methionine hydroxy analogue and a small amount of a byproduct, namely ammonium sulfate. By adopting the method, continuous and rapid preparation of the methionine hydroxy analogue is reazlied, the traditional intermittent tower device is avoided, the use of inorganic acid of 50 percent is reduced, no ammonium hydroxide is needed for neutralization, no organic solvent is used, and cleaness, environmental protection and sustainability are achieved; the acidolysis time of 2-hydroxy-4-methylthio butyronitrile is greatly reduced, pyrolysis polymerization of raw materials and production of by-products are reduced, and the product quality and yield are improved.

The invention relates to a distilled water pot, a condensing cover is positioned above a bottom pot, and a water storage bucket is positioned above the condensing cover. A tilted distilled water collecting disc is located below the condensing cover. The surface of the tilted distilled water collecting disc is provided with a plurality of holes, and the periphery of the disc and the holes is provided with edges, the edges are fixedly connected with one end of each marquee, the other end of each marquee is upturned, and has a gap between the top of the edges, each marquee covers the hole below, and the direction of each marquee is same as the direction of tilt of the disc. The lowest part of the disc is connected with a water outlet pipe. Water in the bottom pot is boiled, steam rises by the gap of the distilled water collecting disc, cooling water in the water storage bucket keeps the condensing cover at low temperature, the steam condensates when meeting the condensing cover, and distilled water drips on the distilled water collecting disc, and flows out from the water outlet pipe. The condensing cover is a down-convex arch, is up connected with bucket wall to form the water storage bucket, and is down connected with a foundation ring to stand on the bottom surface of the bottom pot, and the distilled water collecting disc is installed in the foundation ring. The distilled water pot is suitable for various stoves, the components are easy to decompose, and the distilled water pot is easy to clean, simple in structure, convenient to use and low in cost, and can be configured in the family.

The invention relates to an apparatus used for sterilizing, removing algae and purifying water quality, and especially relates to an immersed type photoelectrocatalysis reaction apparatus. The photoelectrocatalysis reaction apparatus comprises various roots of photoelectrocatalysis pipes, the photoelectrocatalysis pipes are respectively connected with an outlet pipe and an inlet pipe. The immersed type photoelectrocatalysis reaction apparatus is formed by independent photoelectrocatalysis pipes, the reaction apparatus with different sizes having different numbers of photoelectrocatalysis pipes can be produced according to different water body area and water quality condition, the pipe number can be set in an adjustable mode, and can be 4, 8 and the like (4n, n>=1). According to the invention, TiO2 is employed to prepare a film, the disadvantages that nano powder is not easy to separate with the water body can be overcome, a lot of engineering practices prove that the photoelectrocatalysis reaction apparatus has simple structure, the treatment effect is good, the operation is simple, no secondary pollution is generated, and the photoelectrocatalysis reaction apparatus is effective to remove the algae of the eutrophication water body. The photoelectrocatalysis reaction apparatus has the advantages of compact structure, less land occupation area, less energy consumption, no chemical agent addition, low operation cost and large treatment amount.

The invention provides fertilizer specially used for gingko planting and belongs to the technical field of fertilizer. The invention solves the technical problems that ingredients of existing fertilizer specially used for gingko trees are unreasonable and need of gingko for growth can not be met. The fertilizer specially used for the gingko planting comprises the following components in parts by mass: 40-90 parts of fermented chicken manure, 30-50 parts of fermented rabbit dung, 3-6 parts of ammonium chloride, 10-20 parts of phosphogypsum, 4-6 parts of calcium ammonium nitrate, 3-6 parts of zinc sulfate, 24-40 parts of earthworm cast, 5-10 parts of wood vinegar, 2-6 parts of rice bran, 4-8 parts of jade powder, 15-37 parts of dry waterweed, 2-8 parts of cellulase preparation, 2-3 parts of oligomeric isomaltose, 5-15 parts of diammonium phosphate, 20-40 parts of plant ash and 15-25 parts of rice bran. The fertilizer provided by the invention has the advantage of good environmental protection property.

A door lock features that the bearing nut of external sleeve disk passes through the locating element of lock bolt, the lock bolt is engaged with the external sleeve disk, two opposite arc ends of two arced surfaces of the said locating element are just engaged with a lock bolt mechanism, and the said bearing nut just passes through the lock bolt mechanism and then is inserted in the sleeve rod of internal sleeve disk. Its advantages are easy assembling, high torsional strength, and high safety.

The invention provides a rotating disc device of a track and a method thereof. The rotating disc device comprise a track rotating disc, the track rotating disc is characterized by comprising a rotating disc base plate and a main shaft, and one end of the main shaft is fixed on the rotating disc base plate; the structure for one end of the main shaft fixed on the rotating disc base plate comprisesa connecting column, a rubber material locking part, a plastic layer, first circular protrusion portions, second annular protrusion portions, third annular protrusion portions, a ditch road and fore shafts which are integrally connected to the top wall of the rotating disc base plate; and the first annular protrusion portions wind the outer wall of the lower part of the main shaft. The problems that because the structure for one end of a main shaft fixed to the rotating disc base plate in the prior art is in screwed connection with a wire opening is adopted, the firmness is poor, and loosenessis caused by a long application period are effectively solved; and in addition, the problems that disassembly and assembly are complicated, the wire opening is frequently damaged, the application period is shortened, the maintenance cost is added, and the application is not facilitated are effectively solved.

The invention relates to a method for comprehensively utilizing and processing tail gas of sludge phosphorus-prepared sodium hypophosphite, belonging to the technical field of chemical engineering andenvironmental protection. The process flow thereof is as follows: (1) after the phosphine tail gas of the sludge phosphorus-prepared sodium hypophosphite is collected, particle impurities in the tailgas are rinsed and eliminated by phosphoric acid solution under the condition that nitrogen is used as protective carrier gas; (2)the impurified tail gas is eliminated sequentially enters a three-grade absorption device adopting sodium hypochlorite solution as absorption solution so that the product of sodium hypophosphite can be obtained; and (3) the phosphine which still exists in the absorbedtail gas is adsorbed by modified activated carbon, and then is emitted outside after reaching the emission standard. The method of the invention is economical and practical, can recycle and convert the phosphine in the tail gas into the product of sodium hypophosphite with high added value, and greatly reduces environmental pollution caused by the tail gas.

The invention provides a porous carbon composite material with a core-shell structure. The porous carbon composite material comprises porous carbon particles and an inorganic porous layer coating the porous carbon particles. The invention also provides a preparation method of the porous carbon composite material; the preparation method comprises activation treatment, coating layer formation and carbonization treatment, wherein the coating layer formation step comprises the steps: firstly, providing a coating solution which comprises an inorganic layer precursor and a pore-forming agent which are uniformly mixed, and forming an inorganic gel coating layer on the surfaces of tobacco activated particles. In the carbonization treatment process, an inorganic gel layer becomes an inorganic porous layer, nicotine escaping from a tobacco material is bound before the inorganic porous layer is formed, carbonization of nicotine is promoted through the provided microenvironment, and the utilization rate of an endogenous nitrogen element and the yield of a carbon product in the preparation process of the tobacco-based carbon material are effectively increased. The invention also provides an application of the porous carbon composite material in cigarette filters, soil conditioners, water treatment adsorbents or electrodes.

The polyether amine catalyst is a supported metal catalyst, gamma-Al2O3 is used as a carrier, basic cupric carbonate, basic nickel carbonate and basic cobalt carbonate are used as precursors of supported metal, and the supported metal catalyst is prepared by a hydrothermal method. And the polyether amine catalyst is prepared by two times of adsorption roasting and one time of reduction through an equivalent-volume impregnation method. By using the basic carbonate, decomposition is easier, only water and carbon dioxide are generated, the waste gas treatment process and cost are saved, meanwhile, the prepared polyether amine catalyst is high in activity and selectivity, long in service life and wide in application range, the conversion rate and the primary amine selectivity can be improved when the polyether amine catalyst is used for preparing polyether amine, and the product color is reduced; therefore, the obtained polyether amine has higher activity and wider application range.

The invention provides a preparation method of a feed additive. The feed additive comprises the following components of, in parts by weight, 0.1-5 parts of probiotics, 10-20 parts of beer yeast powder, 20-70 parts of fermented feed raw materials, 10-60 parts of vegetable oil, 5-20 parts of lecithin and 5-20 parts of sucrose ester. The preparation method of the feed additive comprises the followingsteps of emulsifying the vegetable oil, mixing with the powder and the like. According to the preparation method, the feed additive is scientific and reasonable in formula composition, rich in emulsified fat, fermented protein and compound polysaccharide, high in nutrition degree, rich in fragrance, capable of promoting ingestion and increasing daily gain of animals, easy to absorb, capable of improving the intestinal microecological environment, capable of reducing digestive tract diseases and capable of reducing the diarrhea rate and the death and culling rate; the animal reproductive performance is improved, lactation is improved, and the estrus interval is shortened; the laying rate of laying hens, eggshell quality and breeding hen semen quality are improved; and biological raw materials such as fish meal, emulsified fat powder, plasma protein, glucose and fermented soybean meal in the feed can be partially replaced, and the feed conversion rate is increased.

The invention belongs to the technical field of seedling raising of forest, and provides a method for optimizing light-substrate non-woven fabric container seedling root balls of quercus wutaishanseain order to solve the problem that at present, during seedling raising with containers, roots are bent. The main method comprises steps of compounding substrates, performing seed treatment, preparingseedling raising containers, preparing seedbeds, sowing seeds, performing seedling stage management, cutting roots in air, and performing data survey. The prepared substrates are loaded in corresponding seedling raising containers having many specifications, treated superior quercus wutaishansea seeds are sown in non-woven fabrics, conservation is performed in growth seasons through a conventionalseedling raising technique, and after seedlings stop growth in autumn, various growth indexes are measured. Through comprehensive analysis and comparison, the container specification suitable for light-substrate non-woven fabric seedling raising of the quercus wutaishansea is screened out. The quercus wutaishansea cultivated through the container specification is strong in root systems and complete in root ball structure, seedlings grow tidily and strongly, the quality and the forestation survival rate of quercus wutaishansea seedlings are notably increased, and the method has good ecologicalbenefits, economic benefits and social benefits.

The invention discloses a corrugated paper box having durable antibacterial performance. The corrugated paper box comprises corrugated paper boards. In a bonding process of preparing the corrugated paper boards, an antibacterial paste is employed and includes, by weight, 1-2 parts of silver nitrate, 5-10 parts of deionized water, 2-4 parts of ammonia water, 5-8 parts of zinc oxide, 2-4 parts of N-methyl glycine, 15-20 parts of acetone, 0.1-0.5 parts of organic fluoride, 90-110 parts of corn starch, and 270-330 parts of tap water. The paste having durable antibacterial performance is prepared by adding silver oxide antibacterial master batches, which has dual protection by organic gel and hydrophobic protective film, to the corn starch and the tap water and is applied in the bonding process of preparation of the corrugated paper boards, and furthermore, the corrugated paper boards and the corrugated paper box can be produced.

The invention discloses a degradable polypropylene carbonate for injection machining. The degradable polypropylene carbonate for injection machining is composed of a polypropylene carbonate plastic, an ageing-proof agent, a heat stabilizer, a dispersant, a flexibilizer and a cross-linking agent, the anti-ageing agent is dihydroquinoline, the heat stabilizer is phosphite, the dispersant is barium stearate, the flexibilizer is chlorosulfonated polyethylene, and the cross-linking agent is methyltriethoxysilane. The degradable polypropylene carbonate for injection machining is composed of the polypropylene carbonate plastic, the ageing-proof agent, the heat stabilizer, the dispersant, the flexibilizer and the cross-linking agent, so the degradable polypropylene carbonate for injection machining has the characteristics of environmental protection, easy decomposition, long service life, high temperature resistance, good toughness and low cost.