84 results about "Aluminum phosphide" patented technology

Semiconductor-on-diamond (SOD) substrates and methods for making such substrates are provided. In one aspect, a method of making an SOD substrate may include depositing a base layer onto a lattice-orienting silicon (Si) substrate such that the base layer lattice is substantially oriented by the Si substrate, depositing a semiconductor layer onto the base layer such that the semiconductor layer lattice is substantially oriented with respect to the base layer lattice, and disposing a layer of diamond onto the semiconductor layer. The base layer may include numerous materials, including, without limitation, aluminum phosphide (AlP), boron arsenide (BAs), gallium nitride (GaN), indium nitride (InN), and combinations thereof. Additionally, the method may further include removing the lattice-orienting Si substrate and the base layer from the semiconductor layer. In one aspect, the Si substrate may be of a single crystal orientation.

An ion source includes an ion source chamber, a gas source to provide a fluorine-containing gas species to the ion source chamber and a cathode disposed in the ion source chamber configured to emit electrons to generate a plasma within the ion source chamber. The ion source chamber and cathode are comprised of a refractory metal. A phosphide insert is disposed within the ion source chamber and presents an exposed surface area that is configured to generate gas phase phosphorous species when the plasma is present in the ion source chamber, wherein the phosphide component is one of boron phosphide, tungsten phosphide, aluminum phosphide, nickel phosphide, calcium phosphide and indium phosphide.

The invention provides a method for preparing superfine aluminum hydroxide and superfine aluminum oxide by using solution of aluminum chloride as a raw material. The method comprises the following steps of: a) adjusting the concentration of the solution of the aluminum chloride, and passing the solution of the aluminum chloride into a macroporous type cation resin column to remove iron so as to obtain a refined solution of the aluminum chloride; b) adding dispersant solution into the refined solution of the aluminum chloride, and blending the mixture uniformly to obtain dispersion solution; and c) passing ammonia water into the dispersion solution to generate an aluminum hydroxide deposit, and filtering, washing and drying the deposit to obtain the superfine aluminum hydroxide. The superfine aluminum hydroxide can be calcined at different temperatures to obtain gamma-aluminum oxide and alpha-aluminum oxide respectively. Compared with other methods, the method has the advantages of wide source of raw materials, simple production process and high product purity.

The invention discloses aluminum oxide rich in pentacoordinate and a synthesis method and application of the aluminum oxide. The synthesis method of the aluminum oxide rich in pentacoordinate includes: dissolving soluble aluminum salt with an organic complexing agent in deionized water to form a clarification solution; heating and stirring the clarification solution until a viscous glue is formed;heating and activating the viscous glue so that the organic complexing agent complexed on the aluminum ion is decomposed by heat and then cooled naturally to room temperature to obtain aluminum oxideprecursor powder rich in pentacoordinate; roasting the aluminum oxide precursor powder in the oxygen atmosphere to enable the aluminum ion to be oxidized to aluminum oxide; removing the carbon material remaining on the aluminum oxide surface and formed by the decomposition of the organic complexing agent by combustion to obtain the aluminum oxide powder rich in pentacoordinate. The aluminum oxidepowder contains a large number of pentacoordinate aluminum oxide phases, thus having a large number of oxygen vacancies, and a high-loading monatomic catalyst is obtained by riveting metal atoms through the oxygen vacancies of an aluminum oxide carrier rich in pentacoordinate.

The invention belongs to a harmless treatment technology for aluminum phosphide fumigation residues, wherein the technology is applicable for harmless treatment of aluminum phosphide fumigation residues in the industry. According to the harmless treatment method for aluminum phosphide fumigation residues, aluminum phosphide fumigation powder residues and excess water are mixed in a closed container; a protection gas is introduced, and a stirring treatment is performed under a certain state, wherein the state is assurance of no air; the generated PH3 gas and the protection gas enter a tail gas absorption device; an oxidizing agent spraying treatment is performed two times to carry out a tail gas absorption treatment, wherein a slight negative pressure state inside a spraying tower is ensured during the spraying process, and the PH3 gas is subjected to a completely harmless treatment; and the treated residues are adopted as a cement production raw material to be conveyed to a cement plant to be comprehensively utilized. The method of the present invention has the following advantages that: the aluminum phosphide fumigation residues are subjected to the harmless treatment while the risk coefficient of the operation is reduced, and the PH3 gas produced in the process is further subjected to the harmless treatment at the same time so as to avoid secondary pollution generation, and completely solve the pollution problem of the aluminum phosphide fumigation residues.

The invention discloses a method for improving the yield of greenhouse cucumbers. The method includes the steps that ozone is input into a furrow below an earth covering film, suffumigation is carried out on soil through utilization of aluminum phosphide, organic substrate substances are added in the original soil in a greenhouse where the cucumbers are planted in order to improve the structure of the soil, and the temperature difference between inside and outside day and night is controlled and then the growth of the cucumbers is controlled by control over the content of carbon dioxide in the greenhouse, and therefore the yield of the cucumbers can be improved.

The invention discloses sample inserting equipment for deep-layer grains of a grain granary. The equipment is formed to achieve the sample inserting mechanized operation of deep-layer grains of a large-sized grain granary. The equipment comprises a bracket mechanism, a sample inserting tube connecting and disconnecting mechanism and a control system, wherein the bracket mechanism is arranged on the top face of a grain stack in a manner that the bracket mechanism does not automatically sink, the sample inserting tube connecting and disconnecting mechanism is arranged in the bracket mechanism, forms a vertical rising and falling movement part and enables a sample inserting tube part to vertically sink into the grain stack and be withdrawn from the grain stack, and the control system controlsthe sample inserting tube connecting and disconnecting mechanism to achieve sinking and withdrawing work. The equipment is ingenious in design and more reasonable in control principle, structural configuration and operating mode, the mechanization of deep-layer sample inserting is achieved, and the condition that the former sample inserting operation needs the participation of multiple laborers and is high in labor intensity is changed. The equipment is very applicable to the sample inserting operation of deep-layer grain stacks of large-sized granaries (shallow circular granaries, large-diameter silos and vertical silos). The equipment can also be applied to the internal local set-point insecticide (aluminum phosphide) delivery, temperature measurement cable laying and the like of the large-sized granaries.

The invention belongs to the field of containers special for storage and particularly discloses an insect-preventing granary. The insect-preventing granary comprises a granary body, wherein the granary body is provided with a granary cover. The insect-preventing granary further comprises a filter plate, an installing plate, a turntable and a motor, wherein the motor is fixed to the bottom of the granary body, the turntable is coaxially fixed to an output shaft of the motor, the turntable and the granary body form an air inlet chamber, a water tank and aluminum phosphide are arranged in the air inlet chamber, the turntable is provided with a first air inlet hole, the filter plate is arranged in the granary body in a sliding mode, the filter plate and the upper portion of the granary body, form a grain storage chamber, the installing plate is fixed in the granary body and mutually attaches to the turntable, the installing plate is provided with a second air inlet hole matched with the first air inlet hole, an elastic part is arranged between the filter plate and the installing plate, the side wall of the granary body is provided with a solution cavity communicated with the top of the grain storage chamber, and the solution cavity contains a copper sulfate solution. By adopting the scheme, hydrogen phosphide gas can be effectively produced, an insecticidal efficacy is good, and harm to a human body is small.

The invention relates to a preparation method of a formed foil used for low-voltage aluminum electrolytic capacitors. The aluminum foil is respectively added with two new treating agents during formation, i.e. phosphite and amino trimethylene phosphonic acid ( ATMP); the aluminum foil which generates a filam is put in a phosphate dilute solution to be chemically treated, and a layer of aluminum phosphide film is generated on the surface of the aluminum foil to improve the hydration resistance of the foil; the aluminum foil is formed in an ATMP solution, which ensures that not only a hydration resistant phosphating film can be generated, but also the formed aluminum foil has high efficiency and more complete covering; the solubility of oxide film is much lower, thereby a very good water resistant film is obtained and the aluminum foil obtains higher electrostatic capacity simultaneously.

The invention provides a high-brightness LED, comprising: a transparent substrate, which is formed by materials including aluminium arsenide gallium (AlxGa1-xAs); a luminescent layer, which grows up on the transparent substrate, and is formed by materials including aluminum phosphide gallium indium (AlGaInP); a window layer, which grows up on this luminescent layer, and is formed by materials including GaP; an upper electrode layer, which forms an ohm contact with the window layer; as well as a lower electrode layer, which forms an ohm contact with the transparent substrate, in which the x value in molecular formula AlxGa1-xAs of the transparent substrate material is set as a numerical value which makes the transparent substrate to have a transmissivity with high energy gap to the specific wavelength light sent by the luminescent layer.

A health-care pillow, or mattress, or seat cushion, or floor cushion for detoxicating, preventing sore and furuncle, and treating infantile convulsion, hemicrania and cervicodynia is composed of the case of pillow or mattress or cushion and the core made of rapeseeds. Its preparing process includes such steps as choosing high-quality round rapeseeds, sieving, washing, drying in the air, fumigating by aluminum phosphide tablet in a sealed room, and filling them in case.

The invention discloses an aluminum phosphide rat repellent, which is prepared from the following raw materials in parts by weight: 56 to 65 parts of aluminum phosphide raw powder, 5 to 7 parts of polyethyleneglycol, 3 to 4 parts of ammonium carbamate, 5 to 6 parts of magnesium stearate, 5 to 6 parts of sodium carboxymethyl cellulose, 5 to 6 parts of starch and the balance of cyclodextrin, wherein the total quantity of the raw materials is 100 parts. The aluminum phosphide rat repellent has the advantages that the rat repellent effect is good; the practicability is high; the popularization and the implementation are easy. The invention also discloses a dosing device convenient for residue recovery. The dosing device comprises a vehicle body, wherein the vehicle body comprises a vehicle table and wheels; a connecting seat is connected onto the vehicle table through a mechanical arm; a drill bit is vertically arranged on the connecting seat; a hopper is also arranged on the connecting seat; the dosing device also comprises a material supply mechanism; a Bluetooth base station is also arranged on the vehicle table. The device has the advantages that the dosing is convenient; the residue recovery is convenient; the practicability is high.

The invention belongs to the technical field of longhorn beetle control and specifically discloses a biological control method of longhorn beetles on trees. The method comprises following steps: applying longhorn beetle larva control agent in the larva stage; applying longhorn beetle pupa control agent in the pupa stage; applying longhorn beetle imago control agent in the imago eclosion hole stage; in this way, the control of longhorn beetles on trees is completed; the longhorn beetle larva control agent is prepared from beauveria bassiana spore liquid, Sichuan azedarach extract, ethanol, and emulsifier; the longhorn beetle pupa control agent is prepared from beauveria bassiana spore liquid, adonis aestivalis extract and ethanol; the longhorn beetle imago control agent is prepared from beauveria bassiana spore liquid, hydrogen peroxide, ethanol and adonis aestivalis extract. According to the method of the invention, beauveria bassiana spore liquid is adopted as biological source for controlling longhorn beetles and the application of toxic chemical pesticides such as zinc phosphide and aluminum phosphide is avoided to reduce environment pollution and protect the ecological environment.

The invention discloses a preparation method of modified chrome-aluminum phosphate. The preparation method comprises the following steps of: adding 40-50 parts by mass of phosphoric acid with the concentration of 60-80 percent and 8-15 parts by mass of aluminum hydroxide into a reactor to react for 25-50 minutes at a temperature of 60-130 DEG C, and then adding 4-11 parts by mass of chromium oxide to react for 30-45 minutes; and then adjusting the temperature to 90-170 DEG C, adding 1-4 parts by mass of lanthanum oxide as a modifier to react for 15-35 minutes, and then adding 2-6 parts by mass of methanol to react for 40-80 minutes to obtain modified chrome-aluminum phosphate. The preparation method disclosed by the invention is mild in preparation condition, simple in process and convenient to operate; and modified chrome-aluminum phosphate prepared by using the preparation method has lower moisture absorbability and excellent mechanical property, so that the application scope of a chrome-aluminum phosphate-based wave-transmitting material is wider.

The invention discloses a rotary quantitative conveying device for an aluminum phosphide tablet applying machine, and the rotary quantitative conveying device comprises an outer slot wheel, a bearing,a housing and a power shaft. The rotary quantitative conveying device is characterized in that the upper part of the rotary quantitative conveying device directly communicates with a medical kit, wherein the lower part of the rotary quantitative conveying device directly communicates with a medicine discharge hole; under action of gravity, aluminum phosphide tablets enter U-shaped slots of outerslot wheels of the quantitative conveying device, and each U-shaped slot only can accommodate one aluminum phosphide tablet; under driving of a power shaft, the aluminum phosphide tablets in the U-shaped slots are conveyed to a medicine outlet in the lower portion of the tablet applying machine for being discharged; and the rotary quantitative conveying device can control the tablet applying amount of the tablet applying machine better, and does not cause excessive adding or leaked adding of the aluminum phosphide tablets.

A method of fabricating a solar cell on a conveyer belt is provided. The method includes the following steps. A first surface of an aluminum foil is coated with a layer of phosphorous mixed with a plurality of graphite powders and put on the conveyer belt. A first thermal treatment is performed to activate a portion of the aluminum foil and the phosphorous layer on the first surface to form an aluminum phosphide (AlP) layer. A molten silicon material is spray-coated on a second surface of the remaining aluminum foil, and a second thermal treatment is performed to make the silicon material transferring into a p-type polySi layer on the n-type AlP layer. A solar cell including the n-type AlP layer and the p-type polySi layer is formed, and the solar cell is respectively annealed and cooled down in a first and a second vertical stack.

The invention belongs to the technical field of electrolysis and particularly relates to a method for preparing aluminum oxide by electrolyzing aluminum chloride. The method aims to obtain metallurgical grade aluminum oxide or chemical aluminum oxide products through extensive aluminum chloride with a short process and low energy consumption. An aluminum chloride solution is electrolyzed through a cation membrane electrolytic cell, and mechncial stirring is conducted on an electrolytic cell cathode zone; an electrolyte and aluminum hydroxide are subjected to solid-liquid separation through a filter device, and a filtrate circularly returns to the cathode zone; aluminum hydroxide is obtained by drying filtration products and roasted to obtain metallurgical grade aluminum oxide or chemical aluminum oxide; and anode gas and cathode gas are collected, and by-products of hydrogen and chlorine are obtained. The electrolysis method is adopted for directly converting aluminum chloride into aluminum hydroxide, the electrolysis process is high in automation degree and short in process, the production cost is reduced advantageously, and the production efficiency is improved advantageously.

The invention discloses a wheat storage method. The wheat storage method comprises specific steps as follows: (1), selection of a standby warehouse: a rain-tight warehouse provided with a damp-proof terrace, crack-free walls as well as doors and windows capable of being tightly closed is taken as the standby warehouse, and is standby after cleaning; (2), air-drying of wheat: the wheat is placed on a drying yard for air-drying until the wheat temperature reaches 45-50 DEG C; (3), fumigation of wheat: the wheat is put in storage after continuous air-drying, and aluminum phosphide tablets are fed for fumigation of wheat; (4), cooling and ventilation: the wheat after fumigation is subjected to normal airtight storage, as the air temperature is reduced, and when the difference between the wheat temperature and the air temperature is larger than 8 DEG C, the windows are opened timely for ventilation until the temperature difference is 4 DEG C or smaller; (5), regular inspection: regular inspection is performed manually in the warehousing period, and if pest and disease damage occurs, the wheat is subjected to deinsectization treatment through fumigation continuously. With the adoption of the wheat storage method, damage of pests to the wheat in the storage process can be reduced maximally, and wheat mildewing is prevented.

The invention provides a method for testing the content of aluminum oxide in aluminum metaphosphate, which is simple to operate, rapid and accurate. The method comprises the following steps: (1) measuring a test sample, adding a sodium hydroxide solution into the test sample until the sample is completely dissolved, and adding hydrochloric acid until the solution is acidic; (2) adding an ethylene diamine tetraacetic acid standard solution, uniformly stirring, adding several drops of phenolphthalein, neutralizing by utilizing ammonia water until the solution is red, then adjusting the solution to be colorless by utilizing the hydrochloric acid, and adding an additional drop of the hydrochloric acid; adding ammonium acetate, heating and boiling, adding several drops of a xylenol orange solution, and titrating by utilizing a zinc sulfate standard solution until the solution is red; (3) adding a sodium fluoride solution, heating and boiling, and titrating the solution to be red by utilizing the zinc sulfate standard solution; (4) calculating a result. The sodium hydroxide solution is used for rapidly dissolving the test sample, so that the method has the advantages of easiness in operation, simplicity, rapidness, high accuracy and the like.

The invention discloses an aluminum phosphide fumigant convenient to handle, comprising aluminum phosphide raw powder, ammonium carbamate, a binding agent, a disintegrating agent and an inertial filler, wherein among the materials, by weight, the binding agent accounts for 3-8% and includes one or more of polyethylene glycol, povidone and hydroxypropyl cellulose; the disintegrating agent accountsfor 2-6% and includes sodium carboxymethyl. The aluminum phosphide fumigant has no influence on the fumigating effect, and has high slag treatment rate; the binding agent and the disintegrating agentare harmless to the environment and human body, is more environmentally friendly, has stable properties, is easy to obtain, and has low cost.

The invention relates to a feeding device of tablet pesticide for killing grain storage pests and belongs to the field of grain storage. The feeding device is composed of a tablet pesticide bin, a fixed base and a powder collecting bin. A spring, a tablet supporting plate and tablets are arranged in the tablet pesticide bin, and an outer-screw screw thread is arranged on the tail portion of the tablet pesticide bin. The fixed base is provided with an inner-screw screw thread and a self-arch screw hole. Gas emitting holes are formed in the tablet powder collecting bin. The tablet pesticide bin is in connection through the inner-screw screw thread and the outer-screw screw thread, and the table pesticide bin is tightly sleeved with the powder collecting bin. When grain is stored, the feeding device is firmly fixed in a barn, grain starts to be put into the barn, and then the barn is sealed. The aluminum phosphide tablets absorb moisture emitted by the grain through the gas emitting holes to generate phosphine gas in a decomposing mode to kill pests, the phosphine tablets become powder, the powder falls into the powder collecting bin under the effect of the spring, the non-decomposed tablets are left in the tablet pesticide bin, circulation is performed in this way, and the purpose of killing pests continuously is achieved. The feeding device has the advantages of being simple in structure, easy and convenient to operate, safe, free of grain pollution and the like.

The invention discloses a method for killing insects of tobaccos by fumigating, relating to the field of killing insects of tobaccos, in particular to a method for killing and preventing insects by fumigating tobaccos under storage conditions. The method comprises the following steps: I, placing the tobaccos in a stacking manner; II, placing aluminum phosphide in an uncovered open box made of aluminum or aluminum alloy, sealing the open end of the box by using a polyethylene film and placing the box filled with aluminum phosphide on the top of the stack; III, completely covering the stack and the box by using a five-layer co-extrusion nylon composite film; IV, pasting newspaper strips on the ground surface at the periphery of the stack by using paste; and V, sticking edges of the five-layer co-extrusion nylon composite film on the newspaper strips by using sealing paper after the paste is dry. The effect of killing insects by fumigating is greatly improved without affecting natural alcoholization of the tobaccos.

The invention discloses a method for preserving crop straw through sulfur dioxide and application and belongs to the technical field of biological energy and agriculture. According to the method, after the crop straw or tubers are preprocessed, a simple ensiling bin is filled with the preprocessed crop straw or tubers, meanwhile, aluminum phosphide is added, the simple ensiling bin is sealed through a mulching film after a stack is formed, a gas pipe is inserted after the simple ensiling bin is sealed, mixed gas of sulfur dioxide and air is introduced, and after the gas pipe is pulled out, the simple ensiling bin is sealed for preservation. The method has the advantages that preservation time is long, losses of fermentable saccharides of raw materials are small, and after preservation is performed for six months, 95% of the fermentable saccharides can be effectively preserved.

The invention relates to a specific pesticide, in particular to a specific pesticide for rapidly and effectively controlling cotton budworms and scale insects. The pesticide is characterized by being prepared from the following raw materials in part by weight: 30 to 50 parts of aluminum phosphide and 200 to 400 parts of lightyellow sophora root. The pesticide has good effect of controlling the cotton budworms and the scale insects, can be used in various different periods, is prepared from simple raw materials, is convenient to operate and is economical and practical.

The invention discloses a preparation method of an aluminum-phosphorus alloy for hypereutectic aluminum-silicon modification. The preparation method comprises the following steps that (1) the industrial pure aluminum is molten, and the temperature of the molten aluminum is adjusted to 1400 DEG C to 2000 DEG C; (2) the aluminum phosphide particles are pressed into molten aluminum, and the content of phosphorus in the aluminum phosphide accounts for 1-10% of the total mass of the molten aluminum; (3) aluminum phosphide is pressed into molten aluminum, and preserving heat for 2-10 minutes, the phosphorus-containing aluminum melt is obtained; and the phosphorus-containing aluminum melt is poured into a metal groove made by the steel plate to prepare the aluminum-phosphorus alloy sheet. The preparation method has the advantages of being simple in process and easy to operate, and can be used as the hypereutectic aluminum-silicon alloy to refine the primary modifier, the primary crystal silicon refining effect is good, and pollution to the environment is avoided.

The invention relates-the technical field of pesticides, and concretely discloses a non-residual pesticide. The non-residual pesticide comprises, by weight, 2-4 parts of aluminum phosphide, 1.5-3 parts of sodium chloride, 0.5-1 part of potassium sulfate, 0.3-0.8 part of copper sulfate, 0.5-1 part of magnesium oxide, 0.2-0.5 part of calcium oxide and 90-95 parts of water. The non-residual pesticideis an inorganic pesticide prepared through optimizing the proportions of all components, and has the advantages of low cost, high safety, long-lasting effect ,no residual, and no influences on the crop yield.

The invention relates to the technical field of grain storage equipment, and discloses a fumigation insect removal tablet putting mechanism for a granary. The fumigation insect removal tablet puttingmechanism comprises an insertion rod, a through hole is formed in the center axis of the insertion rod, a first opening groove is formed in the front end of the insertion rod, and a limiting pillar isarranged in the first opening groove; a push-and-pull rod is sleeved with the through hole, a second opening groove is formed in the front end of the push-and-pull rod, the front end of the push-and-pull rod and one end of a bayonet lock are hinged into the second opening groove, the bayonet lock is provided with a sliding groove, and the limiting pillar is clamped in the sliding groove; the front end of the insertion rod is inserted into a joint groove in the rear end of a tablet putting cylinder and connected with the tablet putting cylinder, and a clamping groove used for inserting the bayonet lock is formed in the inner wall of the joint groove. By means of the fumigation insect removal tablet putting mechanism, the problems are solved that when an existing domestic granary applies aluminum phosphide to fumigate and remove insects, aluminum phosphide tablets cannot be put into the deep part of the granary, generated aluminum phosphide insect-killing gas cannot effectively cover the whole granary, and the insects cannot be effectively removed.