164results about How to "Increase packing capacity" patented technology

The invention relates to an arranging and boxing device, in particular to a device for arranging messy cylindrical/tubular materials to be consistent in a basic direction, belonging to the technical field of machinery. The arranging and boxing device provided by the invention is characterized in that an arranging mechanism and a press plate of a boxing mechanism are matched to finish the arrangement of a group of products in each direction after the group (plurality) of products to be boxed are conveyed by a belt A1 or sorted by a mechanism to the arranging mechanism of an arranging and boxing mechanism, so that the effect of order and closely arrangement is achieved, and a boxing device grabs and boxes the group of products once. The arranging and boxing device provided by the invention has the advantages of lower requirement on arrangement state of products to be boxed, better suitability to various types of products, such as cylindrical/tubular products, flexibly packaged products,box type packaged products and the like, large one-step boxing quantity and high boxing efficiency, thus the production efficiency of a whole automatic production line is improved and the construction cost is low.

The invention discloses a 20000-container-class environment-friendly container ship and an intelligent management method thereof. The ship uses a wide-shallow design, uses a double-island layout structure in which a cabin and a living area are separated, uses cargo holds having large openings, is equipped with a binding system with an external binding function, and is equipped with an energy-efficient power system. In addition, the ship uses an intelligent one-person forebridge and intelligent navigation system, and uses a series of environmental protection measures. The ship is novel in structural design, can greatly increase the container load to a great extent, can hold containers of various specifications, has a high environment-friendly level and high intellectualized degree, can realize remote real-time monitoring and management, and is a large-scale environment-friendly container ship using intelligent management.

The invention discloses a double film bag type automatic packaging machine and an automatic packaging process thereof. The machine comprises a lower film winding mechanism, an upper film winding mechanism, a bag body pulling mechanism, a three-side heat sealing mechanism, a bag clamping mechanism, a bag cutting mechanism, a side cutting mechanism, a bag opening mechanism, a sealing mechanism and apushing mechanism, and strip-shaped films exported by the lower film winding mechanism and the upper film winding mechanism are superposed on each other; the bag body pulling mechanism clamps the ends of the sides of the strip-shaped films superposed on each other; the three-side heat sealing mechanism continuously heat-closes the three side edges of the strip-shaped films; the bag clamping mechanism clamps the inner side portion of an outer end bag body, and the bag cutting mechanism cuts the outer end bag body from the strip-shaped films; the side of the bag body is trimmed neatly by the side cutting mechanism; the bag opening mechanism opens a bag mouth of the bag body, and a product on the pushing mechanism is pushed into the bag body through the bag mouth; the sealing mechanism heat-closes the bag mouth of the bag body. The machine can simultaneously achieve the production of a packaging bag and the packaging of a kit.

The invention discloses a preparation method of chitosan quaternary ammonium salt hyaluronic acid nanogel coated with basic fibroblast growth factors. The preparation method of chitosan quaternary ammonium salt hyaluronic acid nanogel coated with basic fibroblast growth factors is characterized by taking chitosan quaternary ammonium salt and sodium hyaluronate as raw materials and synthesizing a target product through a two-step process of ionic cross-linking and polymer condensation. The preparation method comprises the following steps: firstly mixing a chitosan quaternary ammonium salt solution with a basic fibroblast growth factor solution, and then dropwise adding a sodium tripolyphosphate solution into the mixed solution to prepare an ionic cross-linked mixed solution; and finally dropping sodium hyaluronate into the ionic cross-linked mixed solution for carrying out polymer condensation to prepare chitosan quaternary ammonium salt hyaluronic acid nanogel coated with basic fibroblast growth factors. The average particle diameter of the nanogel is 150-230nm; the Zeta potential is -28.6 to -36.7mV. The nanogel can be used for treating dental ulcer and has good research, development and utilization prospects.

The invention discloses a one-step preparation method of a zirconium sodium phosphate glass ceramic solidified base material, which comprises the following steps that a, by weight, 40-68 parts of P2O5, 15.5-38 parts of Fe2O3, 2-12 parts of B2O3, 3.5-18 parts of ZrO2 and 1-8.5 parts of Na2O; mixing the raw materials, keeping the temperature for 1-3 hours at 1100-1300 DEG C, obtaining the mixture ofthe glass melt and the sodium zirconium phosphate microcrystalline phase, forming and annealing to obtain the sodium zirconium phosphate glass ceramic solidified base material. The zirconium sodium phosphate glass ceramic solidified base material has excellent chemical stability and good thermal stability; the method has the advantages of simple and practical process, lower heat treatment temperature, easy control of the components of the solidified body, easy realization of remote control operation and engineering application of the solidification treatment of the high-level emission nuclearwaste, and wide application to the solidification treatment of the high-level emission waste.

The invention relates to a glycyrrhetinic acid prodrug micelle for jointly carrying chemotherapy drug and a preparation method thereof. The micelle uses polyethylene glycol-glycyrrhetinic acidpolymerprodrug as a carrier; the chemotherapy drug is physically embedded and carried in the glycyrrhetinic acid prodrug micelle. The chemotherapeutic medicine and glycyrrhetinic acid are combined; a nanometer technology is used for building a chemotherapy drug carrying prodrug micelle co-delivery system; by regulating and controlling the bridging molecule number of lysine and glycyrrhetinic acid in polyethylene glycol-glycyrrhetinic acid prodrug, the jointly carrying proportion of the glycyrrhetinic acid and chemotherapeutic medicine can be regulated and controlled; the optimum combined chemotherapyproportioning ratio of the combined use drug is realized. Compared with the carrying of two kinds of drug jointly in a physical mode, the glycyrrhetinic acid prodrug micelle uses the jointly drug carrying mode of combining physical joint carrying and chemical bonding, the carrying quantity of the combined use drug can be obviously improved; the medicine delivery efficiency of the polymer prodrugmicelle can be improved.

The invention provides a preparation method of an iron-nickel storage battery. The preparation method comprises the following steps: S1, preparing a three-dimensional band; S2, uniformly coating the surface of the prepared three-dimensional band with active substance slurry through an immersing system, and preparing the three-dimensional band into a wet polar plate through a tilted plate type slurry coating device above the immersing system, wherein the active substance slurry is prepared from an active material and an organic fiber; S3, respectively preparing a positive polar plate and a negative polar plate from the wet polar plate through drying, sheeting and slicing; S4, oppositely placing the positive polar plate and the negative polar plate, placing a diaphragm between the positive polar plate and the negative polar plate, thus forming an electrode assembly, putting the electrode assembly into a shell, and injecting electrolyte into the shell. The prepared iron-nickel storage battery shows characteristics of extremely high energy density and long cyclic life and is excellent in safety.

The invention discloses a rubber accelerator tetrabutylthiuram disulfide (TBTD) predispersed master batch which can effectively solve the problem of slow compounding caused by the polarity difference between the liquid TBTD and rubber during direct compounding. The master batch has favorable flow properties in rubber after proportioning, and thus, can be added at a higher charging rate. The master batch has high compatibility, can be tightly combined with rubber in time even under the condition of different polarity from the rubber, and can maintain favorable dispersity under the action of different shearing forces. Besides, the master batch can further enhance the dispersity and flowability of the rubber effective components, improve the compatibility with the rubber, lower the addition amounts of other aids, enhance the rubber production efficiency, reduce the dust pollution and improve the working environment of the workers, and has the function of lowering the rejection ratio of the rubber product. The master batch prepared by the method can effectively maintain the original activity of the TBTD, can not cake at room temperature, is convenient for weighing, and provides great convenience for the subsequent rubber proportioning and compounding.

The invention relates to nanoparticles as well as a preparation method and application thereof, and belongs to the field of biological medicines. The nanoparticle comprises a compound as shown in a formula I and an auxiliary material. The nanoparticles can entrap nucleic acid, and have the advantages of low toxicity, high entrapment efficiency, good transfection effect and good bioavailability. The preparation method is simple to operate, low in cost, environment-friendly and beneficial to industrial production.

The invention discloses a steel slag-fiber composite rubber packing with a phase change temperature control performance and a preparation method of the steel slag-fiber composite rubber packing, and belongs to the field of recycling of solid waste resources. The composite rubber packing comprises phase change temperature control steel slag and phase change temperature control fiber. The preparation method comprises the following steps: (1) mixing a phosphoric acid solution with the steel slag to obtain modified steel slag; then mixing the modified steel slag with a phase change material, and utilizing a vacuum technology to obtain phase change temperature control steel slag; (2) mixing N,N-dimethylacetamide with a solvent, and adding cellulose acetate and the phase change material to obtain a phase change wetting fiber solution; and then utilizing electrospinning and drying means to obtain phase change wetting fiber; (3) mixing the phase change temperature control steel slag with the phase change wetting fiber to obtain steel slag-fiber composite rubber packing. The steel slag-fiber composite rubber packing provided by the invention solves the problems that the price of the main packing of the rubber industry is higher, the steel slag easily agglomerate when being directly added into rubber, and the phase change temperature control steel slag has the limited effect of improvingrubber reinforcing and phase change temperature control.

The application discloses a basic protein entrapment carrier, a preparation method of the entrapment carrier and a entrapment method. At room temperature, the polyanion electrolyte and calcium salt are stirred and mixed, and carbonic acid is added rapidly during rapid stirring or ultrasonication. The salt co-precipitates to form microspheres, and then the polyanion electrolyte-doped calcium carbonate microspheres are obtained after washing, centrifuging and drying. Then mix a certain concentration of basic protein solution with calcium carbonate microspheres, incubate with low-temperature stirring or shaking for 15-90 minutes, centrifuge, remove the supernatant, freeze-dry to obtain calcium carbonate microspheres loaded with basic protein, and the particle size distribution Narrow, good dispersion, good biocompatibility. The advantage of this application is that it can carry basic protein with high concentration and high activity under mild conditions.

The invention discloses a handheld electric tool with an improved trigger, which comprises a tool body, a motor, a switch, an operating component, a main handle and an auxiliary handle, wherein the motor is disposed inside the tool body, the switch inside the tool body is used for controlling operation of the motor, the operating component fixedly connected to the tool body is driven by a motor, and the main handle and the auxiliary handle are disposed on the tool body. The auxiliary handle comprises an auxiliary handle holder, an auxiliary handle cover board, and a trigger disposed between the auxiliary handle holder and the auxiliary handle cover board, wherein the trigger is connected in a surrounding manner. The switch of the handheld electric tool can be triggered in each of the leftward, rightward and middle directions of the auxiliary handle, and the handheld electric tool is simple in overall structure, has fewer parts, and is easy in assembly and more flexible and more reliable in triggering. In addition, the auxiliary handle as an independent component can be separated from the tool body to be packed, so that load can be improved greatly.

The invention discloses a Y2Ti2O7 pyrochlore self-propagating high-temperature synthesis and densification method. The method is characterized in that CuO, Y2O3, Ti and TiO2 powders are adopted as raw materials and are blended according to a certain molar ratio; the mixture is fully ground and well mixed, and is sieved; the mixed material is added into a stainless steel mold, and is pressed into a cylindrical blank; the blank is placed into a self-propagating quasi-isostatic pressing device; the blank is ignited with an ignition tungsten wire; within 5-30s after combustion is finished, a pressure of 50-200MPa is applied by a hydraulic machine and is maintained for 20-100s, such that a Y2Ti2O7 pyrochlore block is obtained. The method has the advantages of high synthesis speed, short production period, high reaction temperature, low energy consumption, controllable synthesis product phase, high product purity, high product density, simple process, and the like. The prepared Y2Ti2O7 pyrochlore is especially suitable for high-level radioactive nuclear waste long-term safe solidification treatment and disposal.

The invention discloses a method for preparing an anti-oxidant coated polymer nano-vesicle. The method comprises the following steps: mixing bromo-polyoxyethylene, pentamethyldiethylenetriamine, dimethylaminoethyl methacrylate and a solvent in water-free and oxygen-free condition, adding cuprous bromide or cuprous chloride, and performing atom transfer radical polymerization in argon or nitrogen protection at 20-80 DEG C for 6-20 hours; dissolving styrene in anhydrous paraxylene, deoxidizing, and adding into the atom transfer radical polymerization to react at 40-130 DEG C for 12-72 hours; evaporating and dissolving the prepared polymer, passing the prepared through a neutral alumina column, precipitating, filtering and drying in vacuum to obtain an amphiphilic block copolymer PEO-b-PDMA-b-PS; dissolving the PEO-b-PDMA-b-PS and an antioxidant in THF (tetrahydrofuran), dripping deionized water or methanol which is 3-10 times of the THF at a speed of 1-60d/min under intense stirring; dialyzing in deionized water, and drying to obtain the product. The product obtained by the method can play a good health-care effect on skin, and can be used for delaying skin aging.

The invention discloses a self-propagating preparation method for Gd<2>Ti<2-x>Zr<x>O<7> pyrochlore. The self-propagating preparation method is characterized by including acquiring Ti, TiO<2>, ZrO<2>, Gd<2>O<3> and CuO powder to be used as raw materials according to certain proportions; carrying out dry ball milling, uniform mixing and drying on the raw materials and compressing the raw materials to obtain blanks; placing the blanks in self-propagating quasi-isostatic pressure devices, igniting the blanks by the aid of ignition devices to carry out reaction and applying pressures after combustion is completed to obtain the Gd<2>Ti<2-x>Zr<x>O<7> pyrochlore. The self-propagating preparation method has the advantages that self-propagating high-temperature synthesis is combined with fast densification processes, and accordingly pyrochlore-type man-made rock densification solidified bodies which are high in thermal stability and chemical stability and excellent in anti-irradiation property can be synthesized in a few minutes; the self-propagating preparation method is high in synthesis speed, production efficiency, reaction temperature and product purity, low in energy consumption and applicable to long-term safety solidification treatment and disposal on nuclide of actinium series in high-level radioactive waste, processes are simple, and the like.

The invention provides geological cement for solidification of radioactive incineration ash and a solidification method of the radioactive incineration ash. According to the solidification method of the radioactive incineration ash, slag containing aluminum silicate and an adsorbent are evenly mixed to prepare an A material of the geological cement, a composite liquid exciting agent is used for preparing a B material of the geological cement, the A material of the geological cement, the B material of the geological cement and the radioactive incineration ash are stirred in an agitator kettle for five minutes after water is added to the A material of the geological cement, the B material of the geological cement and the radioactive incineration ash, and then the mixture is moved into a die, so that forming and maintaining are achieved. According to the solidification method of the radioactive incineration ash, the waste tolerance can be improved greatly, the fluidity of a solidified body ranges from 150 mm to 180 mm, the fluidity is high, adjustment is available, the final setting time is shorter than twelve hours, and proper initial setting time is guaranteed for solidification. After maintenance is conducted for 28 days, the compressive strength of the solidified body reaches over 20 Mpa, freezing and thawing cycle testing is conducted twenty times, the compressive strength loss of a sample is smaller than 10%, soaking testing is conducted for 90 days, no crack exists on the surface of the solidified body, the compressive strength is in the rising tendency, and the leaching rate of the <137> Cs element on the forty-second day is 4.4*10<-4> m/d.

The invention discloses a magnetic liposome and a method for preparing the same. The magnetic liposome wraps medicine inside the liposome; and magnetic particles are coated outside the liposome. The preparation method comprises the following steps that: a yolk lecithin solution and a cholesterin solution are mixed in an eggplant-shaped bottle according to the molar ratio of 2:1 to 2.5:1; the mixture is subjected to rotary evaporation to form a liposome film; then a phosphate buffering solution is used to carry out full hydration on the liposome film to obtain the liposome of which the surface is provided with negative charges; then, cationic polyelectrolyte-poly diallyl dimethyl ammonium chloride, anionic polyelectrolyte which is sodium polystyrene sulfonate and cationic polyelectrolyte which is poly diallyl dimethyl ammonium chloride are subjected to alternate adsorption; and finally, through the charge action and a self-assembling method, Fe3O4 magnetic particles of which the surfaces are provided with negative charges are deposited on the surface of the liposome to obtain the magnetic liposome. As the inside of the liposome is packed with the medicine, the magnetic particles are deposited on the surface of the liposome and a finite space of the inner space of the liposome is totally packed with the medicine, the packing amount of the medicine is improved and the magnetic content is simultaneously improved.

The present invention discloses a strychnine-hydroxypropyl-beta-cyclodextrin liposome, which contains, by weight, 0.5-2 parts of strychnine, 2-20 parts of a strychnine-HP-beta-cyclodextrin inclusion compound, 20-200 parts of soybean lecithin, and 5-20 parts of cholesterol. The present invention further discloses a strychnine-hydroxypropyl-beta-cyclodextrin liposome preparation method, which comprises: carrying out inclusion on strychnine with hydroxypropyl-beta-cyclodextrin, and then preparing into the liposome. According to the present invention, drug loading capacity is improved, an elimination half-life of the strychnine is prolonged, stability is improved, lymphatic system targeting is achieved, toxic and side effects on heart and central nervous system are reduced, and bioavailability is improved.

The invention relates to a system device for treating sewage in an A/O vertical flow constructed wetland, which is characterized in that the system device comprises a pretreatment desilting basin and a multilevel vertical flow constructed wetland; an outlet of the pretreatment desilting basin is connected with an inlet of the multilevel flow constructed wetland; two neighboring levels of the multilevel flow constructed wetland are communicated; the first processing unit of each level is a hypoxia unit; the rest processing units belong to aerobic 'wet/dry' alternating running-state processing units; the last aerobic 'wet/dry' alternating running-state processing unit of each level is communicated with the oxygen-poor processing unit of which the last aerobic 'wet/dry' alternating running-state processing unit is arranged.The constructed wetland system can strengthen nitrogen and phosphorus removal capacity of water and has high efficiency, fast phosphorus removal speed, small covering area, strong resistance to shock load and long service life of the wetland.

The invention relates to a corner connecting structure for a shade-shed. The structure comprises leg tubes, beam tubes, leg tube cross joints and oblique connecting tubes. Each leg tube cross joint comprises an insertion body, wherein a hollow pillar is arranged on the upper end face of the insertion body. Stepped surfaces are arranged at the positions of two opposite corners of the upper end face of each leg tube cross joint respectively, wherein grooves are formed in the inner sides of the two stepped surfaces respectively, and the two grooves are perpendicular to each other. A stud is further arranged at the upper end of each stepped surface. A U-shaped fastener is welded to one end of each beam tube, wherein a through hole allowing the corresponding stud to pass through is formed in the bottom of the U-shaped fastener, and one end of the beam tube is buckled in the corresponding groove of the corresponding leg tube cross joint through the U-shaped fastener to enable the corresponding stud to penetrate through the through hole in the bottom of the U-shaped fastener and be fixed through a butterfly nut. The insertion body of each leg tube cross joint is inserted into the upper end of the corresponding leg tube, and a clamping shaft of each oblique connecting tube is inserted in the hollow pillar of the corresponding leg tube cross joint. According to the structure, insertion, buckling and threaded locking are matched to achieve connection, the requirement for high strength is met, and assembly difficulty is not increased.

The invention relates to the technical field of radioactive waste treatment, in particular to a preparation method of a borosilicate glass ceramic solidified body containing uranpyrochlore. The preparation method comprises the following steps of respectively performing wet mixing drying and pre-sintering, gradual melting, sintering and quenching with SiO2, Al2O3, Na2CO3, B2O3, CaF2, CaO, U3O8 andTiO2 as raw materials to prepare the borosilicate glass ceramic solidified body. The preparation method has the advantages that the crystallization rate of the uranpyrochlore in glass can be regulatedand controlled; the ingredients remained by nuclide in the glass phase can be reduced; the accommodating capacity of nuclide U in the ceramic phase can be improved; the accommodating capacity of thenuclide U in the whole solidified body can be improved; the prepared borosilicate glass ceramic solidified body containing uranpyrochlore has the advantages of uniform crystal grain distribution, hightissue compactness and high intensity.

The invention belongs to the technical field of a magnetic adsorption agent, and discloses a magnetic nanometer particle based on lignin carboxylate as well as a preparation method and application thereof to chromium (VI) adsorption. The method provided by the invention comprises the following steps of dissolving ferrous sulfate and ferric chloride into water; performing preheating; dripping ammonium hydroxide; performing heat insulation curing for 3 to 4 h at 70 to 90 DEG C; adding lignin carboxylate solution and short chain alcohol into the system; performing heat insulation stirring for 1 to 3 h; performing separation and drying to obtain the magnetic nanometer particles based on the lignin carboxylate. The lignin carboxylate with rich sources is used as a carbon supply source; the price is low; green and environmental-friendly effects are achieved; the adsorption performance on the chromium (VI) can be improved through controlling the encapsulation and carrying capability of the lignin on the surface of the magnetic particles and more critically through the regulation and control on the particle diameter of the magnetic nanometer particles. The magnetic nanometer particle basedon lignin carboxylate obtained through preparation has the advantages of strong combination force, great encapsulation quantity and strong adsorption capability on chromium (VI), and can be applied to chromium (VI) adsorption.