149results about How to "Short residence time" patented technology

A process for economically producing 1,1,1,3,3-pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two-stage distillation process is employed. In the two-stage process, the size of the equipment, temperature and vacuum are varied.

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.

A method for void free filling with in-situ doped amorphous silicon of a deep trench structure is provided in which a first fill is carried out in at a temperature, pressure and dopant to silane ratio such that film deposition occurs from the bottom of the trench upwards. By way of this first fill, step coverages well in excess 100% are achieved. In the second fill step, deposition is carried out under changed conditions so as to reduce the impact of dopant on deposition rate, whereby trench fill is completed at a deposition rate which exceeds the deposition rate of the first fill. In an application of this method to the formation of deep trench capacitor structures, the intermediate steps further including the capping of the void free filled trench with a thick layer of amorphous silicon, planarization of the wafer thereafter, followed by a thermal anneal to re-distribute the dopant within the filled trench. Thereafter, additional steps can be performed to complete the formation of the capacitor structure.

The invention relates to a fluorite ore sorting device and method and belongs to ore sorting devices and methods. The device comprises a coarse grain easy flotation ore rapid flotation device, a filling flotation device and a fine grain hard flotation ore strengthening collection device. The rapid flotation device comprises a flotation column, a lower guide pipe, a reflection false bottom, an annular sleeve, a foam collection tank and a bubble generator. The strengthening collection device comprises a cone, an inverted cone, a bubble generator, an ore pulp circulation pump and a lower inverted cone. The filling flotation device is a column segment between the rapid flotation device and the strengthening collection device and is provided with filler. The method includes the steps that feed ore is pressurized through a feed pump, subjected to the reaction in the bubble generator and the coarse grain easy flotation ore rapid flotation in the flotation column through the lower guide pipe, medium floatable ore is placed in the filling flotation device for further flotation sorting, and fine grain hard flotation ore is placed in the strengthening collection device for further sorting. The fluorite ore sorting device and method is high in mineralization efficiency, flotation speed and sorting efficiency and solves the problem that how to integrate the sorting of coarse grain easy flotation ore and fine grain hard flotation ore in one.

The invention provides a method for electrically disinfecting a gas diffusion electrode system. The method adopts a nondiaphragm electrolysis system, uses active carbon with membrane structure / PTFE gas diffusion electrode as a cathode, a metal dimensionally stable electrode or a graphite polar plate as an anode, adopts aeration which is simple and practical in environmental engineering close to the cathode, controls the density of electrolytic current below 15mA / cm<2> and flow rate of oxygen in a range between 15 and 75L / h, uses reducing capacity of the cathode and electrocatalysis to generate H2O2, and decomposes the H2O2 to generate hydroxyl radical to sterilize, thereby achieving the aims of sterilization with safety and non-toxicity, equipment investment reduction and treatment effect improvement. The system has wider application range of pH value and is expected to be used in disinfection treatment of tap water or effluent of a secondary sedimentation tank of a sewage treatment plant.

A method for mixing a water-absorbent resin and a surface cross-linking agent-containing solution to repress aggregates is equipped. The water-absorbent resin and the surface cross-linking agent-containing solution is mixed with a plow-shaped mixing device which is equipped with an inner wall formed of material manifesting an interfacial contact angle of not less than 60° to water and possessing a temperature of heat distortion of not lower than 70° C., a plow-shaped stirring vane and a disintegrating blade.

The invention discloses a traditional Chinese medicine fertilizer which is prepared from the following raw materials by weight: 6 parts of dysoma pleiantha, 1 part of kusnezoff monkshood root, 5 parts of celastrus orbiculatus, 0.5 part of jackinthepulpit tuber, 6 parts of lightyellow sophora root, 6 parts of hairyvein agrimonia herb, 7.5 parts of garden burnet root and 5 parts of Chinese honey locust. The traditional Chinese medicine fertilizer provided by the invention not only has the characteristic of promotion of growth of strong seedlings and full stand of seedlings, but also has good pesticidal, disease-preventing and disease-treating effects and has the characteristics of high efficiency, low toxicity and no residue.

A process for preparing high-purity magnesium sand from high-concentration solution of magnesium chloride refining the said solution for removing SO4 and B, spraying it in reactor, high-temp atomizing and hydrolyzing to obtain high-purity magnesium oxide powder, water washing, calcining to obtain light-burnt magnesium oxide powder, hot die pressing, and high-temp sinter. Its advantages are high speed, low energy consumption, high productivity and recovering hydrochloric acid as by-product.

The invention discloses a traditional Chinese medicine pesticide which is prepared from the following raw materials by weight: 4 parts of dysoma pleiantha, 1 part of kusnezoff monkshood root, 5 parts of celastrus orbiculatus, 5 parts of gamboge, 0.5 part of jackinthepulpit tuber, 6 parts of lightyellow sophora root, 6 parts of hairyvein agrimonia herb, 7.5 parts of garden burnet root, 5 parts of Chinese honey locust, 5 parts of Chinese Asafoetida and 5 parts of yellow snake tobacco. The traditional Chinese medicine pesticide provided by the invention has the characteristics of high efficiency, low toxicity and no residue and good pesticidal, disease-preventing and disease-treating effects.

The invention discloses a filtration efficiency calibration system for air filtration equipment. The system is used for calibrating the filtration equipment and is characterized in that an air compressor, a freezing dryer and a three-stage filter are sequentially connected, the three-stage filter is connected with a uniform mixing box and an atomization generator, the atomization generator is connected with a diffusion dryer which is connected with an electrostatic neutralizer, and the electrostatic neutralizer is connected to a solid aerosol channel of the uniform mixing box; the uniform mixing box is connected with an aerosol shunt, one channel of the aerosol shunt is connected to a channel M1 of a first three-way valve through to-be-calibrated filtration equipment, and the other channel is connected to a channel N1 of a second three-way valve; M2 and M3 of the first three-way valve are connected with an aerosol spectrometer and a high-efficiency filter respectively, N2 and N3 of the second three-way valve are connected with the aerosol spectrometer and the high-efficiency filter respectively, and the output end of the high-efficiency filter is sequentially connected with a standard flow meter and a gas pump. The calibration is performed according to readings of the flow meter and the aerosol spectrometer.

The invention discloses a herbicide composition containing ametryn and terbutryn and a preparation method thereof. The herbicide composition takes ametryn and terbutryn as active ingredients. The invention also discloses the preparation method of the herbicide composition. The composition disclosed by the invention consists of two active components and has low toxicity; and when the herbicide composition is used, the dosage of the ametryn can be reduced, the growth safety of crops can be ensured, the active components stay in crops and soil for such a short time that toxin accumulation is avoided, the dosage of the ametryn is lower than the normal dosage and grass can be killed effectively. In addition, the herbicide composition has a wider herbicide spectrum than terbutryn alone, monocotyledonous grass such as cockspur grass, hairy finger, green bristlegrass (green foxtail) and eleusine indica can be better killed, and at the same time, the respective drawbacks of ametryn and terbutryn which are used alone are overcome.

The invention relates to a laser heating reactor and a photo ionization mass spectrum device used for detecting products in situ. The laser heating reactor is composed of a main cavity, a laser device, a thermodetector, a sample feeding mechanism and a mass spectrum instrument. The technologies such as laser heating, in-situ ultrasound molecular beam sampling and vacuum ultraviolet photo ionization mass spectrum diagnosis are combined, and a novel thermal chemical reaction experimental study technology suitable for the pressure scope from vacuum and barometric pressure to high pressure is provided. Lasers with adjustable power are used for evenly and rapidly heating a reaction substrate, the sample reaction time is shortened, and the secondary reaction is omitted; molecules can be cooled with the ultrasound molecular beam sampling technology, so that unstable intermediate bodies survive; the vacuum ultraviolet soft ionization technology is adopted in vacuum ultraviolet photo ionization mass spectra, fragments are prevented from being produced, and the reaction products can be detected in real time.

The invention relates to a separation filtration device based on the golden nanometer channel array, which integrates a nanometer pipe array with uniform diameter in the solid support as the mold material of inorganic golden nanometer channel array. The preparation of said golden nanometer channel array of mold material comprises six steps: washing mold material; hypersensitizing, activating, the aggradation of nanometer gold; washing channel; and the decoration of golden nanometer channel array. Since used support is easy to be attained with simple synthesizing method, said golden nanometer channel has better rigidity while its surface is easy to generate variable chemical reactions, and it can induce selective factor easily to realize the separation and detection of biological active material, natural medical macromolecule and environment pollution material. And it is nondestructive inspection with high separation efficiency to apply the actual inspection separation environment. Said preparation method of separation filtration device has better generality and advanced property.

The invention belongs to the field of preparation of an energetic material and particularly relates to an active microfluidic platform-based CL-20 crystal form control method. An active microfluidic platform comprises an oscillatory flow driving unit, a steady flow driving unit, a recrystallization unit and a sample collecting unit. The method particularly comprises the following steps: putting anonsolvent solution into a sealing tank and putting a solvent solution into the steady flow driving unit; setting recrystallization temperature and pressure value and enabling the nonsolvent to flow towards a micro-mixer; setting parameters of the steady flow driving unit and enabling the solvent solution to flow towards the micro-mixer; collecting turbid liquid flowing out of the micro-mixer intothe sample collecting unit, and performing washing, suction filtration and drying to obtain CL-20 explosive particles; and changing experiment conditions and repeating the above steps until obtainingCL-20 explosives with different crystal appearance. The CL-20 explosive is prepared by the microfluidic platform, the structure is simple and small-dosage preparation can be realized; and furthermore, the experiment conditions are easy to adjust and the method is suitable for optimizing and screening the experiment parameters in the control process of the CL-20 explosive crystal form.

The invention provides an automatic dust removing device for a cooler for a forced oil circulation power transformer and a dust removing method of the automatic dust removing device for the cooler for the forced oil circulation power transformer and belongs to the field of automatic dust removing equipment for coolers for forced oil circulation power transformers. The automatic dust removing device for the cooler for the forced oil circulation power transformer comprises the forced oil circulation power transformer and the cooler for the forced oil circulation power transformer and is provided with a controller, a phase changing device, a voltage transformer and a current transformer. The signal output end of the controller is connected to the signal input end of the phase changing device, the three-phase input end of the phase changing device is connected to the low-voltage wire outlet end of the forced oil circulation power transformer through the voltage transformer and the current transformer respectively, the cooler for the forced oil circulation power transformer is provided with a fan driven by a motor, and the three-phase output end of the phase changing device is connected to the power source input end of the motor. Dust and sundries on a fin tube of the cooler for the forced oil circulation power transformer can be effectively cleaned, the heat dissipation efficiency of the cooler for the forced oil circulation power transformer is improved, the maintenance workload is relieved, the operation temperature of the power transformer is reduced, and the expected service life of the power transformer is achieved.

The invention relates to a ring-shaped terminal building of an airport. A main building body (1) of the ring-shaped terminal building comprises an underground layer (2) and at least more than two ground layers (3), wherein each ground layer (3) at least comprises an upstairs starting layer (4) and a downstairs arriving layer (5), and the upstairs starting layer (4) and the downstairs arriving layer (5) are both of plane structures which are ring-shaped structural bodies with one sides opened or provided with door openings; the ring-shaped structural body of the upstairs starting layer (4) is provided with a plurality of subareas, an outer ring of the ring-shaped structural body is provided with a walkway (26), the outer ring of the walkway (26) is radially provided with aerobridges which lead to airplanes or upstairs passages (13) which lead to ferry vehicles, and an inner ring of the walkway (26) is a starting layer ring-shaped lane (15); the outer ring of the ring-shaped structural body of the downstairs arriving layer (5) is radially provided with door access passages (17), the ring-shaped structural body of the downstairs arriving layer (5) is provided with a plurality of subareas, and the inner ring of the ring-shaped structural body is an arriving layer ring-shaped lane (18); the area inside the arriving layer ring-shaped lane (18) is provided with a ground parking lot (19) and an office building (20); a flight command control tower (21) is arranged on the top of the office building (20); the underground layer (2) is provided with an underground parking lot (23); and an outer lane (31) is respectively connected with the starting layer ring-shaped lane (15) and the arriving layer ring-shaped lane (18) through openings. The ring-shaped terminal building disclosed by the invention is reasonable in structure and capable of shortening the time of passengers entering and leaving a port, increasing the operation efficiency of the airport and decreasing the potential safety hazards of the airport.

Disclosed is a pesticide having insecticidal activity, its preparation. and compounds containing the active constituent with general formula disclosed in t he specification, wherein R1 is trifluoromethyl or hydrogen substituent group, R2 is trifluoromethyl, trifluoro methoxyl or hydrogen substituent group. The preparation process comprises the synthesis of intermediate compound 3-(5-chlorin-2-carboxyl phenyl) propionic acid, synthesis of 5-chlorin-1-carbonyl-1,3-dihydrogen-2-indenyl methyl formate, synthesis of 5-chlorin-1-carbonyl-1-carbonyl-1,3-dihydrogen-2-indenyl methyl formate.

The invention relates to novel binder-drug conjugates (ADCs) having improved properties, to active metabolites of these ADCs and to processes for their preparation. The present invention furthermore relates to the use of these conjugates for the treatment and / or prevention of diseases and to the use of these conjugates for preparing medicaments for treatment and / or prevention of diseases, in particular hyperproliferative and / or angiogenic disorders such as, for example, cancer diseases.

The invention relates to a tobacco leaf vacuum charging system and a method. The vacuum unit (8) of the charging system is respectively connected with a first negative pressure container (2) and a second negative pressure container (7) through a first vacuum pipeline (8) and a second vacuum pipeline (11); a first charging door (1), a first discharging door (18) and a vacuum breaker (16) are arranged on the first negative pressure container; a second charging door (19), a second charging door (15) and a charging nozzle (6) led into the second negative pressure container are arranged on the second negative pressure container; a first pneumatic feeder (4) is connected between the first discharging door and the second discharging door in a sealing way; a second pneumatic feeder (14) is connected with the lower end of the second negative pressure container in a sealing way; and a first vacuum valve (10) and a second vacuum valve (12) are respectively arranged on the first vacuum pipeline and the second vacuum pipeline. The tobacco leaf vacuum charging system and the method can improve the capability of feed liquid for immersing in tobacco leaf cell and the feed liquid absorbing uniformity of the leaf and has high production efficiency and simple equipment structure.

The present invention relates to a process for preparing polyamides, comprising a hydrolytic polymerization and at least two extraction steps which are not in immediate succession.

The invention relates to the use of alpha-terthiophene, in particular the use for the control of pine wilt disease, experimental investigation has shown that, when the when the concentration of the alpha-terthiophene is higher than 10-4g / L, the pine wilts can be poisoned within short period of time. The alpha-terthiophene can be applied to pine trees directly or with the compositions containing the alpha-terthiophene.

The invention belongs to the technical field of pesticide preparation research and development, and particularly relates to a green plant insecticide and a preparation method thereof. The green plant insecticide is prepared from the following raw materials by weight: 50-70 parts of hydnocarpus anthelmintica pierre, 20-40 parts of fructus carpesii, 25-35 parts of fructus podophylli, 15-25 parts of nux vomica, 20-35 parts of fructus kochiae, 25-35 parts of cortex phellodendri, 20-30 parts of plectranthus hadiensis var. tomentosus, 5-20 parts of menthol, 5-15 parts of climbing groundsel herb, 15-25 parts of portulaca oleracea, 15-25 parts of piper nigrum l, 15-30 parts of laurus nobilis, 15-30 parts of cyrtomium fortunei charcoal, and 15-25 parts of Baijiu. According to the present invention, the main components of the green plant insecticide are the natural traditional Chinese medicine raw materials, the ratio is reasonable, the raw materials provide the synergy effect, the residual time of the insecticide liquid in crops is short, and the insecticide can be automatically transformed into the fertilizer; and the green plant insecticide has characteristics of environmental protection, health, simple and convenient use, low toxicity, safety and low cost, provides good effects of insect disinfestation, pest expelling and sterilization for crops, can prevent and cure diseases, and has wide application range.

The invention discloses a weeding combination. The active components of the combination consist of a compound (a) and a compound (b). The compound (a) is mesotrione, and the compound (b) is a compound (I) which has the following structure characters, wherein, R is H, Na or K, and X is Br or I; the weight ratio of the compound (a) and the compound (b) is 1: 0.08-7. The invention further discloses an application of the weeding combination, the weeding combination is used for preventing and eliminating grassy weed and broadleaf in corn farmlands. The prevention effect of the combination is better than the activity in the separate application of the herbicide, and the combination can bring surprising enhancing effect, guarantee production rate of crops, is convenient in use, lowers the cost of application, expands prevention and cure of weeds, reduces the times of application and decreases labor intensity.

The invention discloses a rotary-type sugar crop vaporizing device, and belongs to a device for concentrating liquid sugar crops in the industry of industrial or food processing. The rotary-type sugar crop vaporizing device mainly comprises an inner cylinder and an outer cylinder; sugar crops are heated by utilizing the clearance between the inner cylinder and the outer cylinder, thus the sugar crops in the clearance are heated and vaporized rapidly so as to achieve the aims of dehydration. The rotary-type sugar crop vaporizing device provided by the invention has the advantages that the vaporizing effect is obvious, the sugar crops are heated uniformly, and the sugar crops can not be leaked.

The invention discloses a forest waste forming fuel and a processing method thereof. The forming fuel is formed by that single forest raw material is smashed into particles or various forest raw materials are smashed into particles and raw materials of the same-grade granularity or multi-grade granularity are smashed into particles and mixed, and then the mixture is extruded and is mutually embedded and twisted into a cylinder or a polygonal strip shape, wherein the sections of two ends of the cylinder or the polygonal strip shape are irregular sections. The processing method comprises the following technical steps of: collecting the raw material; smashing the raw material; smashing the raw materials into particles, and drying until the moisture content is 15-25%; feeding the dried raw material into a forming machine to be compressed and formed; classifying the formed product; classifying and packaging the classified formed product; and labeling and putting into storage. The forest waste forming fuel has the advantages that the internal cohesion of the forming fuel is good, the advantages of no carbon monoxide, flammability, high heat value, good firepower, no toxin and no pollution of the forest raw material are kept on the premise that no external additive is added, and the forest waste forming fuel is an ideal biomass solid fuel.

The invention relates to a pesticide prepared from Chinese herbal medicines. The pesticide comprises the following components: 5 parts of kusnezoff monkshood mother-root, 8 parts of gamboge, 5 parts of lightyellow sophora root, 20 parts of hairyvein agrimonia herb, 5 parts of obtuseleaf senna seed, 1 part of oriental waterplantain tuber, 7 parts of lotus leaf, 15 parts of sweet wormwood herb, 12 parts of welsh onion, 20 parts of soybean, and 9 parts of salvia miltiorrhiza. The pesticide also comprises 2 parts of purple perilla stem and 2 parts of lightyellow sophora root. The pesticide provided by the invention adopts pure-natural traditional Chinese medicine raw materials, such that the pesticide is non-toxic. Also, the various traditional Chinese medicine raw materials have different pharmacological properties. With the formula provided by the invention, good pesticidal, disease-prevention and disease-treating effects can be provided. The pesticide can be widely applied, and has short-time or no residue in soils and crops. When the products of crops applied with the pesticide is eaten, no disease risk is caused.

The invention relates to a herbicide composition containing propanil and metamifop. The herbicide composition has synergistic effect. The mass ratio of propanil to metamifop is (220-300):(6-14), perferably, is (240-280):(8-12), and most perferably, is 280:12.

The invention discloses a novel maize insecticide which comprises the following components in parts by weight: 8-20 parts of turmeric, 5-15 parts of clove, 10-25 parts of purslane, 10-50 parts of hairyvein agrimony, 8-15 parts of the root of Chinese pulsatilla, 15-23 parts of celandine, 13-18 parts of XanThium sibiricum and 9-27 parts of lime. The primary components of the novel maize insecticide disclosed by the invention are natural traditional Chinese medicinal raw materials which are reasonable in proportion, and are of synergistic interaction among the raw materials. The residual time of the medicinal liquid in maize is short, and can be automatically converted into a fertilizer in soil. Moreover, the insecticide has good insecticidal, insect repellant and sterilizing effects, can prevent and treat disease, and is wide in application range. The novel maize insecticide is simple in preparation method and easy to operate, and has good popularizing and application prospects.

The invention discloses a hot-cold dual-gas-coupled refrigerant-spraying cooling system for treatment of nevus of Ota. The system is composed of a refrigerant reservoir, a first electromagnetic valve,a second electromagnetic valve, a third electromagnetic valve, a first nozzle, a second nozzle, a third nozzle, a high-pressure air storage tank, and a resistance wire heating device. The refrigerantreservoir is connected with an inlet end of the first electromagnetic valve by a first flexible pipe; the first nozzle is installed at an outlet end of the first electromagnetic valve; the high-pressure air storage tank is connected with the second electromagnetic valve and the third electromagnetic valve by a second flexible pipe and a third flexible pipe; the second nozzle and the third nozzleare installed at outlet ends of the second electromagnetic valve and the third electromagnetic valve; and the resistance wire heating device is installed at the position, approaching the second electromagnetic valve, of the second flexible pipe. Therefore, the laser is assisted well for good treatment; and the skin is protected and the treatment effect is ensured.