45results about How to "The processing technology is simple" patented technology

The invention relates to a multicolor furnace transmutation glaze ground coat and a manufacturing method thereof. The manufacturing method comprises the step of adding a part of chromogenic oxides into feldspar, quartz, calcite, talc and kaolin which are selected as ground coat raw materials. Moreover, the ratio of silicate to aluminium of the ground coat must be over six, so that solution can be decomposed at high temperature to release gas to form a plurality of fine and dense small bubbles and defects are formed on the surface of a glaze layer; and then suitable cover glazes are matched to generate various furnace transmutation effects. According to a process formula of the glaze of the ground coat, the multicolor furnace transmutation glaze ground coat comprises the following components in part by weight: 45 parts of feldspar, 18 to 25 parts of quartz, 12 to 18 parts of calcite, 2 to 5 parts of talc, 5 to 12 parts of kaolin, 10 to 14 parts of iron oxide red and 2 to 5 parts of manganese carbonate. The ground coat prepared according to the process formula comprises the following chemical compositions: 58 to 64 percent of SiO2, 8 to 11 percent of Al2O3, 7 to 9.8 percent of CaO, 0.4 to 1.6 percent of MgO, 4 to 5.8 percent of K2O, 0.9 to 1.2 percent of Na2O, 9 to 13 percent of Fe2O3 and 0.9 to 2.3 percent of MnO.

The invention discloses a TPE flame resistant material for coating plastic and preparing method of the TPE flame resistant material. The TPE flame resistant material is composed of TPE-S, TPO, TPU, TPEE, a composite flame retardant, an antistatic agent, an antioxidant, a compatibilizer, a lubrication release agent and other auxiliaries. The prepared TPE flame resistant material coating plastic is good in fluidity, simple in processing technology, convenient to process and capable of being processed and formed by using an injection molding machine at the temperature between 180 DEG C and 210 DEG C, and production efficiency is high. The processing temperature is lower than 200 DEG C, processing can be conducted at 190 DEG C, energy consumption is lowered due to the low processing temperature, and energy resources are saved.

The invention relates to a method for preparing an electrochromic device, in particular to a method for preparing a flexible adhesive electrochromic device capable of being switched between a mirror state and a transparent state and aims to solve the problems that the traditional electrochromic smart window is fragile, complex in preparation and higher in cost. The method comprises the following steps: 1, cutting ITO / PET films as required, performing ultrasonic cleaning and blow-drying, and thus obtaining flexible substrates; 2, adding calcium hydride into dimethyl sulfoxide, carrying out heating reflux and distillation at reduced pressure, and thus obtaining dried dimethyl sulfoxide; 3, dissolving silver nitrate, copper chloride and tetrabutyl ammonium bromide into the dried dimethyl sulfoxide to be prepared into an electrolyte, adding polyethylene glycol into the electrolyte, and thus obtaining an electrolyte solution; 4, oppositely placing the conductive surfaces of the two flexible substrates, injecting the electrolyte solution between the two flexible substrates, packaging, and thus obtaining the electrochromic device. The electrochromic device can be switched between the mirror state and the transparent state and is flexible. The method is applied to the field of the electrochromic smart windows.

The invention discloses a production process of edible vinegar and relates to a preparation process of a seasoning. The production process comprises the steps as follows: receiving and storing raw materials; soaking; steaming the materials; wetting rice; fermenting by alcohol; fermenting by acetic acid; ageing a fermentative substrate; pouring vinegar; mixing; settling; sterilizing; and filling to obtain the finished edible vinegar. The production process has the benefits as follows: the process is simple, convenient and easy to operate; the edible vinegar cannot get bad after being stored for a long time; the flavor of the edible vinegar is kept free of being destroyed; the sediment phenomenon in the long-time storage process is avoided at the same time; and the edible vinegar is a high-quality pure natural food seasoning.

The invention relates to a biodegradable polylactic acid film and a preparation method thereof. The biodegradable polylactic acid film comprises the following raw materials in parts by weight: 65 to 90 parts of polylactic acid, 8 to 15 parts of polybutylene glycol carbonate, 10 to 25 parts of polyethylene, 25 to 32 parts of starch, 3 to 8 parts of zinc stearate, 6 to 12 parts of magnesium oxide, 5 to 10 parts of vermiculite powder, 6 to 15 parts of Kaolin, 2 to 6 parts of plasticizers and 1 to 5 parts of phosphite. According to the film disclosed by the invention, polylactic acid is used as a main raw material, Kaolin and vermiculite powder are used as bioactivators, and zinc stearate is used as a thermal oxidative degradation accelerant, so that photodegradation can be carried out on the film under illumination conditions, thermal degradation further can be carried out on the film by using heat accumulated inside compost, and magnesium oxide is added to improve the strength and toughness of the film; phosphite is added, so that the heat insulation performance of the film is enhanced. The film disclosed by the invention is simple and convenient in processing technology, low in requirement for mechanical equipments and good in economic benefit.

The invention discloses a technique for rapidly and efficiently improving the viscosity of attapulgite clay by adopting a pure physical method. The technique is suitable for all the attapulgite clay and the newly-mined attapulgite clay needs no mound for weathering and can be used for treatment. The key technical points are that: the attapulgite clay is soaked, repeatedly extruded for a second time, watered, frozen, heated and crashed to obtain a finished product. The viscosity of the attapulgite clay processed by the technology is 2-8 times of original soil.

The invention provides an easily degradable environment-friendly plastic bag and a preparation method thereof. The easily degradable environment-friendly plastic bag is prepared from the following rawmaterials in parts by weight: 50-60 parts of polyethylene, 25-35 parts of polypropylene, 12-18 parts of straw fiber, 8-12 parts of starch, 1-3 parts of dispersing agent, 5-7 parts of reinforcing agent, and 1-3 parts of plasticizer. The preparation method comprises the following steps of (1) weighing the raw materials according to the parts by weight of the raw materials; (2) putting the raw materials into a heating device so as to form a liquid mixture, wherein the heating temperature is 220-250 DEG C; (3) putting the mixture obtained in step (2) into a bag film blowing device, blowing the film to form a film bubble; (4) putting the film bubble in a shaping device, so as to form a plastic film with a film thickness of 0.02mm to 0.03mm; (5) embossing and printing patterns on the plastic film; and (6) cutting the film to obtain the finished product. Due to use of the straw fiber and starch, the degrading effect is good, and surrounding environment is slightly affected. The preparation method is easy, and has no high requirement on machineries. The easily degradable environment-friendly plastic bag is low-cost and has good economic benefits.

The invention discloses a stator iron chip notching process in a torn mode. According to the process, a disc-shaped steel strip enters a press machine after uncoiled and leveled, and a progressive type stamping die is utilized to perform stamping on the disc-shaped steel strip. The process comprises a first step of forming rivet holes by stamping at the preset position of the steel strip; a second step of forming two rows of winding grooves by stamping on the steel strip, enabling groove holes of the two rows of winding grooves to be symmetrically arranged, and enabling notches to be opposite; a third step of cutting and separating the notches of the winding grooves symmetric at two ends; a fourth step of cutting and separating external diameters of the adjacent winding grooves; and a fifth step of tearing the steel strip along an external diameter knife edge to form two connecting strips which are not connected with each other and are completely consistent in dimension.

The invention discloses a preparation method of a freshly ground soybean milk raw material. The preparation method comprises the following steps: 1. selecting beans, and removing moldy beans, moth-eaten beans and hard beans; 2. cleaning and peeling the selected beans; 3. soaking the cleaned beans for 4-8 hours; 4. cleaning the soaked beans once again; 5. steaming the beans cleaned once again in a steam jacket kettle, wherein the beans are boiled through strong fire and are kept slightly boiled for 1-4 hours with slow fire; and 6. draining off the steamed beans, pouring the beans to a stirring pan when the beans are still hot, adding white sugar to the beans in the ratio of (0.5-0.8): 1, completely and uniformly stirring through the stirring pan, and roasting in an electric heating oven for 1min-5min to obtain the sugar beans. The processing method disclosed by the invention is simple and convenient; with the help of the product disclosed by the invention, soybean milk can be directly produced through a soybean milk making machine within 2min, thus greatly facilitating processing of soybean milk.

The invention provides a two-sided automatic-alignment intermittent thin film coating method especially for coating two layers of film material on a thin film to be coated intermittently. The method comprises the following specific steps of: arranging a first film coating component, a to-be-coated film component and a second film coating component respectively at an upper position (5), a middle position (7) and a lower position (6); detecting a coating window (1) on the to-be-coated film component by using a color code sensor (2); when the right edge of the window is detected, pressing upper and lower transfer printing rollers (3) onto a middle to-be-coated film so as to obtain a composite film with certain length and width. Compared with the traditional multi-layer composite film preparation process, the method has the advantages of simple process flow, high alignment accuracy, easy positioning control, capability of realizing the intermittent composite film coating, convenience in batch production and the like.

The invention discloses a martensitic stainless steel with strong low-temperature impact resistance, which comprises the following components by mass percentage, C: 0.08-0.15%, Si: less than or equal to 1.0%, Mn: less than or equal to 1.0%, P: less than or equal to 0.04%, S: less than or equal to 0.03%, Cr: 11.5-13.5%, Ni: 0.8-1.2%, Mo: 0.2-0.4%, and the balance is Fe and other impurities. The processing technology of the martensitic stainless steel with strong low-temperature impact is simple and convenient, and the cost of the production material is low, and can greatly improve the impact toughness of the steel at low temperature, improve the comprehensive mechanical properties, and can effectively improve its resistance. Acid-base corrosion ability, high practicability and economic benefit.

The invention provides a plastic tray molding process and a formula. The plastic tray molding process comprises the following steps: (1) inspecting and mixing materials, namely mixing raw materials according to a mass ratio, putting into a stirring machine and sufficiently stirring and mixing; (2) carrying out injection molding, namely feeding the mixed materials into an injection molding machinescrew rod from an injection molding machine hopper, and carrying out plasticization and injection molding; (3) molding and taking a part out; (4) trimming and assembling, namely carrying out self-inspection trimming on the part taken out from an injection mold, removing rough edges and burr, and mounting a protection pad in a fixing groove in the bottom of a tray; (5) inspecting and storing in warehouses, namely inspecting the assembled trays, packaging and storing qualified trays in warehouses, crushing unqualified products, and recycling the crushed unqualified products as a raw material. According to the plastic tray molding process, waste materials are utilized, influence upon ambient environments can be reduced, the process is simple and convenient, requirements for mechanical equipment is not high, the cost is low, and good economic benefits can be made.

The invention relates to a wear-resistant plastic bag and a processing technology therefor and belongs to the field of processing of plastic products. The wear-resistant plastic bag is prepared from the following raw materials in parts by weight: 80-100 parts of low-density polyethylene, 0.5-3 parts of couplant, 1-5 parts of surfactant, 0.5-2 parts of preservative, 0.5-2 parts of plasticizer, 1-7 parts of degradation accelerant, 1-5 parts of lubricant, 5-15 parts of cellulose and 4-10 parts of filler. The wear-resistant plastic bag disclosed by the invention has high mechanical strength and high stability, is high in corrosion resistance and good in degradation effect and cannot affect surroundings. The processing technology for the wear-resistant plastic bag is simple and convenient, has low requirements on mechanical equipment, is applicable to various enterprises, such as large-, medium- and small-size enterprises, is low in cost and has a good economic benefit.

The invention discloses a production process of a cooking wine and relates to a preparation technology of wines. The production process includes receiving and storing raw materials, soaking, steaming materials, rice sprinkling, alcoholic fermentation, placing the materials into a jar, post-fermentation, filtering, compounding, sterilizing, filling and sealing to obtain finished products. The production process of the cooking wine has the advantages that the processing technology is simple, convenient and easy to practice, the cooking wine can be stored for a long time without deteriorating, the flavor of the cooking wine can be maintained without being damaged, simultaneously loss of effective components is prevented, and the cooking wine is a high-quality all-natural foodstuff seasoning.

The invention discloses a multi-stage gas homogenizing pore plate structure and a flooded evaporator for preventing suction with a liquid. In the multi-stage gas homogenizing pore plate structure, pore diameters of through holes in each pore plate are formed in a gradual changing mode according to the distance to a suction port of external equipment, and the farther the distance to the suction port is, the greater the diameters of the through holes are. When an air flow enters a baffle plate structure from the lower pore plate, liquid state substances mixed in the air flow are baffled and separated out of the suction port by means of the multi-stage gas homogenizing pore plate structure. The multiple multi-stage gas homogenizing pore plates are combined to play a better flow field homogenizing role, so that a high speed flow field centralized region below the gas homogenizing structure is eliminated, the air flow speed is reduced, and liquid drops are prevented from being taken away bygas. When gas-liquid two phases flow through the multi-stage gas homogenizing pore plates, the accelerating time of the liquid drops is short, the speed is relatively low, and the gas and liquid separated and collided with the next stage gas homogenizing pore plate are unlikely to break, so that the condition that broken relatively small liquid drops follow gas continuously to penetrate the multi-stage gas homogenizing pore plate structure is prevented.

The invention discloses a reflective transparent display device and belongs to the technical field of optical display. The device comprises a host machine body and a reflection cover plate; light emitted by the host machine body reaches the reflection cover plate and then is reflected to human eyes through the reflection cover plate; the host machine body comprises an image source device; the image source device is used for emitting light; the image source device is used for reflecting emergent light to the human eyes through the reflection cover plate after the emergent light reaches the reflection cover plate; the reflection cover plate comprises a transparent base material and a polarization transflective film arranged on the surface of the transparent base material. The device is highin lighting effect, low in power consumption and capable of enabling a driver to clearly observe virtual image display information without hindering viewing of an external environment.

The invention relates to the technical field of plastic products, in particular to a technology and device for preparing a plastic barrel through reprocessed plastics. The technology comprises the following steps that firstly, waste plastics are washed through water and dried and are shorn into strips, ethyl alcohol, acetone and deionized water are sequentially used for conducting ultrasonic filtering and cleaning in an ultrasonic machine, then 120# gasoline and deionized water are used for sequentially conducting two-time cleaning, drying is conducted till the water content is lower than 1 wt%, and the clean waste plastic strips are obtained; secondly, fusion modification is conducted; thirdly, vacuum defoaming is conducted; and fourthly, injection molding is conducted. According to the technology for preparing the plastic barrel through the reprocessed plastics, waste is utilized, influences on the surrounding environment can be reduced, the machining technology is simple and convenient to conduct, the requirement for mechanical equipment is not high, cost is low, and good economic benefits are achieved. The device used in the technology for preparing the plastic barrel through the reprocessed plastics is simple in structure, reasonable in design, small in occupied area, long in service life and convenient to mount and dismount, and the usage process is safe and environment-friendly.

The invention discloses royal jelly food having effects of clearing heat and removing toxins. The royal jelly food is prepared from raw materials in parts by weight as follows: 20-50 parts of royal jelly, 5-15 parts of honey, 1-5 parts of propolis, 1-5 parts of bee pollen, 1-2 parts of microcrystalline cellulose, 1-3 parts of maltodextrin, 10-20 parts of glutinous rice, 0.01-0.5 parts of yeast powder, 20-40 parts of water and 1-2 parts of a Chinese herbal medicine extract, wherein the Chinese herbal medicine extract is prepared from raw materials in parts by weight as follows: 1-4 parts of chrysanthemums, 5-15 parts of amur cork-tree, 2-12 parts of garlic, 1-5 parts of baical skullcap roots, 6-12 parts of heterophylly falsestarwort roots, 4-10 parts of liquorice roots, 1-5 parts of dark plums, 5-10 parts of motherwort herbs, 2-6 parts of bamboo leaves, 2-10 parts of mint and 5-15 parts of lotus leaves. The technology is simple, operation is convenient, original nutritional ingredients, medical value and biological activity of the royal jelly as well as the comprehensive adjusting and balancing effect of the royal jelly on physiological functions of human bodies can be effectively reserved, and a person digests the food rapidly after eating the food.

The invention discloses safe sports lamp belt equipment. The safe sports lamp belt equipment comprises a shoe body. The outer side of the shoe body is provided with a connecting groove. LED light equipment is arranged in the connecting groove. The upper surface of the LED light equipment is fixedly provided with LED lamp beads which are distributed at equal intervals. The middle of the outer surface of the LED light equipment is fixedly provided with a PCBA controller. The lower surface of the LED light equipment is fixedly provided with sucking discs which are distributed at equal intervals. The upper surface of the LED light equipment is fixedly provided with sealing caps which correspond to the sucking discs. The sucking discs and the LED lamp beads are in mutually crossing mode. According to the safe sports lamp belt equipment, the back surface of the LED light equipment is provided with the sucking discs, during installing, a light body can be fixed only by adopting the sucking discs to connect the LED light equipment with a pair of shoes, the machining technology is simple and convenient, the working amount of workers can be reduced, the working efficiency can be effectively improved, the machining cost is reduced, and using is more convenient.

The invention discloses a device for machining a jacquard heddle camb and a right side heald loop, belongs to the field of spinning equipment, and aims to machine the camb and the right side heald loop of a jacquard heddle used by a jacquard with needed shape and functions through the designed device. The device mainly comprises a punching mechanism, a bending mechanism and a plate feeding device. During working, a wire to be machined is put in a lower mold; then, a roller thereon is pushed through rotation of a middle cam so as to push the middle of an upper mold swing arm to drive an upper mold to realize mold closing and mold opening; and meanwhile, a right side cam rotates to push a roller thereof so as to push the right side of the upper mold swing arm to drive the upper mold to realize the mold closing and mold opening actions. A middle mold is used for punching and empiecement to machine the camb; the punching and the empiecement are matched for implementation; and a mold on the right side is used for bending the machined right side heald loop. Finally, a salix leaf-shaped wire pulling piece pulls out the machined heddle from the mold. The device is mainly applied to machining of the jacquard heddle camb and the right side heald loop with the shapes and functions.

The invention provides a dielectric waveguide filter, which solves the problem that an existing dielectric waveguide filter is poor in strength due to structure thereof. The dielectric waveguide filter comprises a filter body. The filter body is provided with a radio-frequency connector and a filter dielectric block. The filter dielectric block comprises a plurality of dielectric single cavities and a plurality of coupling windows. The plurality of dielectric single cavities are connected in a head-to-tail manner in sequence through the coupling windows. Each coupling window is provided with more than one sensitive through hole in the middle. The dielectric waveguide filter can effectively adjust coupling amount of each coupling window to enable the strength of each coupling window to be higher, so that the overall strength of the dielectric waveguide filter is allowed to be higher; the structural strength is more reliable; processing process is allowed to be simpler and more convenient; the dielectric waveguide filter can better meet requirements of low insertion loss, high suppression and high power and the like of the filter, and meanwhile, meets development trend of miniaturization of the filter; and filter signals can be limited within the filter well and are isolated from the external space.

The invention discloses a cigarette, a cooling and aroma-enhancing microcapsule and a preparation method and application thereof. The cooling and aroma-enhancing microcapsule comprises a wall material and content, the wall material comprises polypropylene carbonate and poly (butyl carbonate), the mass of poly (butyl carbonate) accounts for 30%-50% of the mass of polypropylene carbonate, the content is at least one of nicotine, tobacco flavor and natural extract, and the mass ratio of the content to the wall material is 1: (2-4). The cooling and aroma-enhancing microcapsules are applied to the filter stick to prepare the composite filter stick, a polylactic acid film cooling unit in the prior art is replaced, and the composite filter stick is applied to heating non-combustion cigarettes, so that the processing technology is simpler, more convenient and more efficient.

The invention relates to a main plow cutter set for a plow-type unloader. The main plow cutter set comprises a main plow head, main plow plates, first main plow lug plates, second main plow lug plates and a plurality of fastening assemblies. The main plow head is conical, and the tail end of the main plow head is provided with a V-shaped groove; the main plow plates are arranged on the positions, located on one sides of the tops of the two ends of the V-shaped groove, of the main plow head; and the angle between the two main plow plates is the same as the angle of the V-shaped groove. The main plow plates are further provided with the obliquely-arranged first main plow lug plates, and the second main plow lug plates are arranged at the tails of the main plow plates; and the multiple fastening assemblies are arranged on the main plow plates, the main plow head, the first main plow lug plates and the second main plow lug plates. The main plow cutter set for the plow-type unloader is compact in overall structure, the machining process is simple and convenient, and when the main plow head is damaged after long-time use, only the main plow head needs to be dismounted and replaced, so that replacement is convenient and fast, meanwhile, the production cost is saved, and higher practicality is achieved.

The invention relates to a plastic packaging bag and belongs to the field of processing of plastic products. The plastic packaging bag is prepared from raw materials in parts by weight as follows: 45-65 parts of polyhydroxybutyrate, 22-35 parts of polyvinyl butyral, 13-20 parts of polyethylene, 8-17 parts of chitosan, 12-20 parts of starch, 6-11 parts of lignin, 5-12 parts of cotton-linen fiber, 6-11 parts of montmorillonoid, 1-3 parts of a stabilizer, 2-4 parts of a coupling agent and 1-5 parts of a plasticizer. The plastic packaging bag is mainly prepared from bio-degradable polyhydroxybutyrate and polyvinyl butyral matched with chitosan, lignin, cotton-linen fiber and montmorillonoid, the toughness of the plastic packaging bag is guaranteed, the plastic packaging bag has a good degradation effect and influence on surrounding environment is reduced. The processing process is simple, convenient and low in manufacturing cost and has good economic benefits.

The invention relates to the technical field of edge sealing strip processing, in particular to a furniture edge sealing strip processing process and device. According to the furniture edge sealing strip processing process, a precise scraper is adopted for blade coating a base material with back coating glue in a molten state, the situation that the back coating glue and the base material are layered is effectively avoided, and the blade coating effect is good. The furniture edge sealing strip processing device comprises a rack and a control component and further comprises a material placing component, a traction component, a glue pre-melting component, a blade coating component and a winding component which are sequentially arranged on the rack and correspondingly connected with the control component, and the blade coating component is provided with a glue melting hopper. The furniture edge sealing strip processing device is simple and reasonable in structural design, automatic processing and production can be realized, by means of the arrangements of the glue pre-melting component and the glue melting hopper, in the processing process, part of molten back coating glue flowing out of the glue pre-melting component can be molten in the glue melting hopper, the processing temperature range is wider, and the heating efficiency is high, the heating efficiency is effectively improved, furthermore, the furniture edge sealing strip processing process and device are suitable for blade coating of high-melting-point materials, and the application range of the furniture edge sealing strip processing process and device is made to be wider.

A rotation adjusting device for a steel pipe skeleton jumper comprises a first adjusting plate and a second adjusting plate. Fan-shaped grooves are arranged on the surface of a side of the first adjusting plate at intervals. Fan-shaped protrusions are arranged on the surface of a side of the second adjusting plate and correspondingly match the fan-shaped grooves on the first adjusting plate. The surface having the grooves of the first adjusting plate and the surface having the protrusions of the second adjusting plate are attached to each other and are fixedly connected to each other by a fastener. The rotation adjusting device for the steel pipe skeleton jumper according to the claim 1 is characterized in that the first adjusting plate and the second adjusting plate are provided with fastening bolt holes at the circle centers of the fan shapes of the grooves and the protrusions respectively; the two adjusting plates are fixedly connected by a bolt. The rotation adjusting device for asteel pipe skeleton jumper according to the claim 1 is characterized in that the first adjusting plate and the second adjusting plate are provided with corresponding fan ring holes, and the fasteningbolt pass through the fan ring holes to fix the two adjusting plates, and the circle centers of the fan ring holes coincide with the circle centers of the fan shapes of the grooves and the protrusions. The rotation adjusting device for a steel pipe skeleton jumper according to the claim 1 is characterized in that the grooves or the protrusions have an interval angle of 0.50 to 30 degrees.

A ternary-dielectric-filled polymer conductive composite comprises, by weight, (3-8)% of stainless steel fibers, (2-6)% of carbon black, (1-5)% of polyaniline, (65-70)% of polypropylene, (10-22)% of polyethylene or polyolefin plastics and (2-6)% of additives for improving polypropylene forming process performance. The composite is an aggregate of a sheath-core structure, the stainless steel fibers with polyaniline films by means of surface electrochemical deposition serve as the core, the coating sheath layer is a composite obtained by milling modified carbon black pellets of three-layer structures, polypropylene and the like, and each modified carbon black pellet of the three-layer structure includes a carbon black core layer, a secondary nickel plating surface layer and an outer polyaniline film surface layer. The ternary-dielectric-filled polymer conductive composite is high in electric conductivity and mechanical property, and in order to obtain the same conductivity, the composite is lower in required conductive dielectric addition amount, high in mechanical property and lower in material cost.

The invention discloses a clinical traditional Chinese medicine preparation for preventing pediatric respiratory tract infection. The clinical traditional Chinese medicine preparation comprises, by weight, 10-15 parts of herba houttuyniae, 8-15 parts of crepis phoenix dunn, 11-15 parts of radix puerariae, 3-15 parts of rhizoma atractylodis, 5-18 parts of herba schizonepetae, 8-13 parts of roots ofberberis wilsonae, 5-17 parts of poria, 10-15 parts of radix astragali, 2-15 parts of radix angelicae dahuricae, 10-15 parts of radix ophiopogonis, 2-15 parts of radix sophorae tonkinensis, 2-16 parts of radix scutellariae, 2-18 parts of rhizoma nerdostachyos, 2-15 parts of bulbus fritillariae thunbergii and 2-20 parts of fructus corni. The clinical traditional Chinese medicine preparation has the advantages that raw medicinal materials for the clinical traditional Chinese medicine preparation can come from extensive sources, accordingly, the clinical traditional Chinese medicine preparationis low in cost, effects of consolidating bases can be realized by the clinical traditional Chinese medicine preparation, root causes can be treated, and the clinical traditional Chinese medicine preparation can deeply extend into foci; working procedures for preparing the clinical traditional Chinese medicine preparation are optimized, the pediatric respiratory tract infection can be effectively treated and prevented by the clinical traditional Chinese medicine preparation, and recurrence and aggravation of pediatric respiratory tract infection symptoms can be assuredly prevented; the pediatric respiratory tract infection can be effectively treated and prevented by the clinical traditional Chinese medicine preparation, and accordingly recovery of pediatric patients can be promoted.

The invention relates to a composite film, mainly relates to the technical field of film products, and is composed of the following raw materials in parts by weight: 75-90 parts of low-density polyethylene, 7-12 parts of plant fibers, 10-18 parts of starch, and 5- parts of diatomite 10 parts, 8-13 parts of light calcium carbonate, 2-6 parts of zinc oxide, 3-8 parts of degradation accelerator, 0.5-4 parts of plasticizer, and 0.1-2 parts of defoamer. The composite film of the present invention, by adding diatomite, starch, plant fiber and degradation accelerator to the raw materials, not only ensures the strength and toughness of the film, but also reduces the mobility of the plasticizer, and has a good degradation effect. Minimize the impact on the surrounding environment. The processing technology of the invention is simple and convenient, the requirements for mechanical equipment are not high, the preparation cost is low, and the invention has good economic benefits.

The invention discloses a method for machining a valve guide pipe hole and a valve base ring hole through a horizontal milling machine. A one-time positioning method is adopted, a cylinder cover is overturned by 90 degrees, and the axis of the valve guide pipe hole and the axis of the valve base ring hole are made to be parallel with a workbench face; then the workbench face is rotated; in this way, a machine tool main shaft can be aligned with the axis of the valve guide pipe hole and the axis of the valve base ring hole; and then by means of a bottom hole drilling process, a coarse broaching process, a finish broaching process and a finish milling process, the position precision, the size precision, the cylindricity, the straightness and the like of the valve guide pipe hole are guaranteed. The machining process is simple and convenient, precision is high, cost is low, and a good technological effect can be achieved without a special machine tool.