40results about How to "Wide range of expansion" patented technology

The invention provides a business flow generation method, and the method comprises the steps: obtaining business elements in a to-be-initiated business when a user initiates the business; matching with a target flow template corresponding to the business elements in a preset flow template matcher through combining with the business elements; and organizing a business flow corresponding to the business initiated by the user according to the target flow template. According to the invention, the flow template matcher is set in advance for obtaining the business elements in the business and matching with the flow template corresponding to the business elements. The method can achieve different flow templates according to different business elements, can meet the demands of diversified business flows, and is larger in expansion range.

The breaker comprises the insulation part, the vacuum arc extinguish chamber, external insulation, internal insulation, the support part, the insulation pull rod, the spring device and the driving system. The upside external insulation is silicone rubber solid insulation. The upside internal insulation is the insulation with fluid silicone rubber being filled between the extinguish chamber and the glass fiber winding barrel. The underpart is air insulated. There are multiple sulfurated inner umbrella skirts and outer umbrella skirts inside and outside glass fiber winding barrel. The insulation pull rod with the lead and lift bar of the glass fiber being as framework is installed inside glass fiber winding barrel. There are sulfurated silicone rubber and umbrella skirts in outside also. The lower part of the pull rod is connected to the driving system. Without using sulfur hexafluoride, the invention has no pollution, suitable for use outdoor as high voltage vacuum breaker.

The invention relates to a fracture-assisted combustion of oil in-situ stimulation thickened oil exploiting method. The method comprises the steps of conducting hydrofracture transformation on the oil reservoir on the perforating section of an oil well casing, forming vertical artificial fractures on both wings of a shaft, adding fracturing propping agents with which the fractures are filled, and conducting sieve tube gravel pack completion inside the casing; making the bottom hole temperature reach the ignition temperature of crude oil by means of the firing technique to ignite the oil layer of an oil well; injecting air into the oil well continuously by means of an air compressor; conducting soaking after air injection; opening the well for stoping. The method is mainly applied to low-permeation heavy oil reservoirs, thin-bedded heavy oil reservoirs and thin-interbed heavy oil reservoirs. Compared with the prior art, the method has the advantages that combustion of oil in-situ stimulation air injection speed and monocyclic cumulative injection rate can be increased by over three times, thermal front and flue gas front swept volume is increased by over three times, well yield is increased by over two times, and cyclic cumulative production is increased by over three times.

The invention relates to an X-ray grating imaging system and an imaging method. The system comprises a distributed X-ray source, a fixed grating module, and an X-ray detector; the distributed X-ray source is perpendicular to the propagation direction of X-rays and is distributed along a direction parallel to grating stripes; the fixed grating module is arranged along the propagation direction of the X-rays and comprises a first grating and a second grating; the first grating and the second grating are parallel to each other; and the positions of the first grating and the second grating are fixed relative to each other. Light intensity at each pixel point at the presence or absence of a scanned object can be obtained on the basis of a set of stepping exposure process of the distributed X-ray source, so that one or more kinds of information selected from the attenuation, phase contrast and dark field information of each pixel point can be obtained on the basis of light intensity change,so that an image can be reconstructed. The X-ray grating imaging system and the imaging method have the advantages of high system stability, short scanning time, low ray dose and clear imaging.

The invention provides a method for preparing a ceramic material with high strength and toughness by thermal cracking of a silica gel and inorganic filling material compound, and belongs to the fieldof inorganic composite materials. The method comprises the following steps: (1) blending and surface treatment of an inorganic filling material; (2) uniform dispersion and mixing of liquid silicone rubber and a surface-treated inorganic filling material; (3) low-temperature hot-pressing vulcanization of a mixed silicone rubber/inorganic filling material compound; (4) preliminary hot-pressing cracking of a vulcanized silicone rubber/inorganic filling material compound; and (5) further ceramic sintering of a silicone rubber/inorganic filling material compound having undergone hot-pressing cracking under a condition of a high temperature to finally obtain a ceramic material product with high strength and toughness.

The invention discloses a hydroboration reaction method for an aldehyde ketone catalyzed by a Grignard reagent and belongs to the technical field of hydroboration reactions. According to the method, the Grignard reagent is added into a mixture of an aldehyde or a ketone and pinacolborane under anhydrous anaerobic conditions, and the mixture above is stirred for a reaction at the room temperature.According to the hydroboration reaction method for the aldehyde ketone catalyzed by the Grignard reagent, the operation is simple, the use amount of the catalyst is low, the reaction activity is high,the expansion range of reactants is wide, and the yield is high.

The invention discloses indolo-pyrroloquinoline compounds and a synthesis method thereof and belongs to the technical field of organic synthesis. Quinoline quaternary ammonium salt and 2-(2-oxoindol-3-ylidene)malononitrile compounds are mixed and stirred at the normal temperature to react, column chromatography on silica gel is performed with a mixed solvent of ethyl acetate and petroleum ether after the reaction, spiro[dihydroindole-3,2'-pyrrolo[1,2-a]quinoline] compounds are obtained. The method for synthesizing spiro[dihydroindole-3,2'-pyrrolo[1,2-a]quinoline] compounds has the characteristics that the reaction condition is mild, raw materials are easy to use, the substrate expansion range is wide, the operation is simple, the yield is high and the diastereoselectivity is high. The target molecular structure has not been reported in literature yet at present and has important application value in various fields such as medicine, pesticide, bioscience and the like.

The invention discloses an electric scissor type extension cabin. The electric scissor type extension cabin comprises an inner frame, an extension cabin and a fixed cabin. The inner frame is fixedly connected in the fixed cabin. When the extension cabin is completely opened, one side of the inner frame is fixed connected with the extension cabin. The inner frame is provided with a push-up device.The extension cabin is composed of a top plate, a bottom plate, a side plate and an end plate. Pulleys and hinges are arranged on the two ends of the top plate and the bottom plate, and electric extension devices are arranged on two sides of the inner frame, wherein the electric extension devices and an electric push rod of the push-up device are all controlled by a programmable logic controller,and the extension cabin can be pushed out of the fixed cabin horizontally when extending by the electric extension devices, so that the rapid extension of the cabin is realized. An electric push-up mechanism is mounted in a sectional material at the bottom of the inner frame of the fixed cabin, and the problem of dead spots of the extension cabin structure can be solved when the fixed cabin is closed. The electric scissor type extension cabin has the characteristics of simple structure, convenient operation and easy maintenance, and has a great prospect of popularization and application.

Belonging to the technical field of organic synthesis, the invention relates to a synthesis method for a tetrahydrospiro compound. The method includes: under the protection of nitrogen, in the presence of a solvent and an acidic catalyst, carrying out condensation reaction on indole and ketone, then adding 3-alkylene indole-2-one for cyclization reaction, thus obtaining a tetrahydrospiro[carbazole-1, 3'-indoline] compound. The method provided by the invention has the advantages of simple and easily available raw materials, no need for preparation of a substrate in advance, large substrate expansion scope and high yield.

The invention discloses a self-elimination type spiral root-expanding soil-fixing method for preventing the water and soil loss of a side slope, and belongs to the field of water and soil loss of sideslopes. A spiral root-expanding soil-fixing basket serves as a medium, and seeds with developed root systems are planted on the hard side slope with barren soil; on one hand, in the degradation process of the spiral root-expanding soil-fixing basket in the soil, the spiral root-expanding soil-fixing basket can be used as a nutrient for the seeds to make the root systems of plants grow faster andmore stable, and the current situation of the relatively barren soil is improved; and on the other hand, the seeds can be effectively assisted to be planted at the deeper position of the side slope, water resources can be obtained more conveniently in the growth process of the seeds, the survival rate is increased, meanwhile, under the action and guidance of a root-expanding spiral guiding structure, the root systems of the plants grow faster and go deeper into the soil more stably, the growth range and depth of the root systems of the plant seeds are effectively enlarged, the range of a soilfixing barrier formed in the soil is wider and deeper, the slope soil is firmer and not prone to loss under firm grabbing of the plants with the developed root systems, and the slope water and soil loss prevention and treatment effect can be more ideal.

The invention relates to a synthesis method of benzo[d]pyrrolo[2,1-b]thiazole and belongs to the technical field of organic synthesis. The synthesis method comprises the following step: in acetonitrile, mixing benzothiazole and bromide and performing reaction to obtain N-benzoyl methylbenzothiazole bromide; under the existence of ethanol and an alkaline catalyst, mixing the N-benzoyl methylbenzothiazole bromide and nitroolefin and performing addition reaction to obtain a tetrahydro-benzo[d]pyrrolo[2,1-b]thiazole compound; and mixing the tetrahydro-benzo[d]pyrrolo[2,1-b]thiazole compound and excessive antioxidants, heating, performing refluxing reaction, and performing silica-gel column chromatography to obtain the benzo[d]pyrrolo[2,1-b]thiazole. The synthesis method of the benzo[d]pyrrolo[2,1-b]thiazole is easily available in raw material, green in reaction condition, rapid in reaction and large in substrate expanding range, and does not need metal catalysts to participate.

The invention relates to a method for expanding the constant-torque variable-frequency speed control range of an AC motor by Y/YY conversion. The method is characterized by when the motor voltage rises to a rated value with the frequency, performing Y/YY conversion on the stator winding of the AC motor to reduce the number of series turns of each phase winding to a half, and reducing the supply voltage of winding to a half so that the winding obtains a lifting space equivalent to a doubled voltage, and the system constant-torque speed control range is doubled in the new winding connection mode. The method realizes a purpose of expanding the constant-torque speed control range of the motor without increasing the power supply voltage or increasing the number of semiconductor switching devices of an inverter circuit, and makes the winding voltage phase unchanged before and after the Y/YY conversion, and provides convenience for control.

The invention relates to the technical field of organic synthesis, in particular to a preparation method of azacyclo-sulfide and a purification method of same. The preparation method comprises the steps of raw material extraction, substrate expansion, nucleophilic preparation, oxidation modification, vibration, standing and purification. A reaction tank comprises a tank body, a reaction vessel anda burette; a plurality of layers of reaction vessels are arranged in the tank body; the burette pipeline comprises a titration disc and a shunt pipe; because the dispersion degrees of the substratesin the mixed solution are different and the speed of adding the substrates into the reaction tank is changed, the purity effect of the required azacyclo-sulfide extraction can be influenced; therefore, according to the invention, the reaction vessel and the titration disc are correspondingly arranged in the reaction tank; the reaction vessel is provided with the inclined reaction tank, the speed of a substrate solution entering the titration disc is balanced by matching with the shunt pipe inclined to the titration disc, and the servo motor drives the inclined reaction tank to rotate, so thatthe substrate added into the reaction vessel uniformly covers the surface of the reaction vessel, and the preparation purity of the azacyclo-sulfide is improved.

The invention discloses a granulator for rubber master batches. The granulator comprises a rubber storage base, a granulation work box and a mixing treatment tank, wherein the granulation work box is arranged at the top of the rubber storage base, the mixing treatment tank is located above the granulation work box, a hot melting adding work box is arranged at the top of the mixing treatment tank, a guide pipe is arranged between the granulation work box and the mixing treatment tank, a side connecting pipe is arranged between the side of the rubber storage base and the mixing treatment tank, and inner mixing devices are arranged in the mixing treatment tank. The granulator relates to the technical field of rubber processing. According to the granulator for the rubber master batches, the problems that the working efficiency of internal mixing is low during working and internal mixing is not uniform enough when a single mixing mechanism is adopted are solved; mixing rings in the inner mixing devices in the mixing treatment tank are driven to rotate by inner rollers; and since the plurality of mixing rings are adopted in the device, the device can quickly perform mixing, a mixing speed is high, and mixing is uniform.