62results about How to "Reduce volume requirements" patented technology

An apparatus for shipping articles under controlled temperature conditions, having alternating enclosure walls for providing temperature insulation and for providing alternating reservoirs of phase change materials, wherein the respective phase change materials are different in each alternating reservoir. The innermost reservoirs comprise a thermal insert which modifies the control temperature inside the container.

The invention discloses a non-alignment error correction method used for a geomagnetic element measuring system, which comprises the following steps: (1) a rectangular table-board is arranged and a reference coordinate system for the rectangular table-board is established; (2) a magnetic sensor of the geomagnetic element measuring system and an accelerometer are encapsulated together in a non-magnetic regular hexahedron; two surfaces of the non-magnetic regular hexahedron are attached to two vertical surfaces of the rectangular table-board; and a regular hexahedron coordinate system is established for the non-magnetic regular hexahedron; (3) the non-magnetic regular hexahedron is turned for multiple times, and after multiple times of turning, the non-magnetic regular hexahedron is still attached to the rectangular table-board; (4) multiple sets of measurement values of the non-magnetic regular hexahedron and the accelerometer during the process of multiple times of turning are utilized, and through solving multiple non-linear equations simultaneously, the non-alignment error of the magnetic sensor and the non-alignment error of the accelerometer are calculated; (5) the non-alignment error between the magnetic sensor and an inertial navigation is indirectly calculated to correct the non-alignment error of the measurement value of the magnetic sensor. The method has the advantages of simple principle, facilitation of realization and operation, higher correction accuracy, etc.

A device for radiation therapy implemented with image monitoring has a magnetic resonance device and an exposure device. The magnetic resonance device has a magnet and primarily serves for image monitoring an examination object of a patient in an examination volume of the magnetic resonance device. The exposure is fashioned to be static and serves to expose the examination subject in the examination volume with therapeutic beams. The patient (and therefore the examination subject) are supported by a patient positioning device such that the examination subject can be moved relative to the magnetic resonance device and the exposure device around at least one rotation axis.

The invention relates to the field of molecular biology and provides Oligo dT primer, wherein Oligo dT primer is a single-stranded DNA molecule containing continuous dT sequences and recognition sites for cutting. The invention further provides a method for constructing a cDNA library on the basis of the Oligo dT primer. The Oligo dT primer is excellent in applicability, can be applied to various different library schemes, and can further accurately locate the initiation site of mRNA molecule in poly A tail. The method for constructing the cDNA library can ensure that all mRNA molecules in a sample can show specificity in the constructed cDNA library.

The invention discloses a bidirectional flow ventilation and air pressure composting method, which comprises the following steps: dwelling pile body with height at 2-2. 5m and upper margin at 0. 5-1. 0m in box compost reactor; inserting three heat indicators and three pile body gap gas sampling pipe into different height; adopting 0. 1-0. 2m3/min fixing air quantity per m3 initial compost raw material and batch process; venting; changing the direction of ventilation when the biggest differential temperature more than 5 deg. c of the three heat indicators; turning over the pile at the second day for one time one day; compressing the air with impulse; discharging momentary; making the pile body float and drop; testing oxygen concentration of the gas in the pile body per 15 min; finishing the compost when the biggest differential value less than 1. 0% of adjacent twice. This invention possesses low operating cost without twice pollution, which can be used to the compost of life garbage, agricultural waste and sludge of the waste water treatment plant.

The invention discloses a tumor cell microsatellite instable state detection system, and relates to quantitative fluorescence PCR (polymerase chain reaction) amplification technologies and capillary electrophoresis detection technologies. The tumor cell microsatellite instable state detection system has the advantages that six mononucleotide repeat sites NR-21, NR-24, NR-27, MONO-27, BAT-25 and BAT-26 can be amplified by the aid of the tumor cell microsatellite instable state detection system, and sites BrafV600E, UGT1A1*6 and UGT1A1*28 can be typed by the aid of the tumor cell microsatelliteinstable state detection system; reference can be provided to checking Lynch syndromes and using irinotecan medicines by detection results on the basis that MSI (microsatellite instable) states are determined. The invention further provides a detection reagent kit designed according to the tumor cell microsatellite instable state detection system.

The invention discloses an underground coal mine hydraulic sand fracturing system and method. The underground coal mine hydraulic sand fracturing system comprises a water supply system, a fluid distribution system, a sand mixing system, a fracturing system and a high-pressure manifold system; the fracturing system is formed by two fracturing pump groups in parallel; the high-pressure manifold system comprises a Y-shaped tee, and two inlet channels of the Y-shaped tee separately communicate with outlets of the two fracturing pump groups; and the fluid distribution system comprises two fluid distribution pools. The fracturing method is implemented based on the fracturing system and comprises the steps that fracturing liquid is prepared by densifiers, crosslinking agents, anti-swelling agents, gel breakers and water according to proportion; the particle size of a supporting agent is 40-70 meshes, and the volume density of ceramsite sand is 1.25g/cm<3>; and fracturing is carried out according to the sequence of first hydraulic fracturing seam generating and later fracturing liquid sand-carrying fracturing support. The underground coal mine hydraulic sand fracturing system has the beneficial effects that the fracturing system is simple in structure and reasonable in layout, and is suitable for sand-carrying fracturing use of underground narrow and small or long and narrow space; andthe fracturing liquid prepared by the fracturing method has suspended sand characteristic, can be suitable for upward drilling sand-carrying fracturing, and has the environmental protection characteristic of being capable of directly discharged.

Treatment method of disc type column membrane water, is the immediate processing of high concentration sewage to achieve the required emission standards, which selects processing options in series, parallel, primary or secondary treatment modalities according to the water quality and emission standards. The treatment method of disc type column membrane water is used in combination with other processes, as the final treatment step before discharge to ensure reliable standards of high concentrations of sewage treatment. The treatment device of disc type column membrane water can be connected in series or parallel alternately with flexible operation mode. Device can be designed to be connected in series or parallel operation mode according to the requirements, to achieve less volume of water and higher standards of water quality in series operation mode, and larger volume of water and lower emission standards in parallel operation mode, meeting the requirements of different water volume and water quality.

The invention provides a fast detecting and source-tracing method for cryptosporidium and giardia lamblia in urban sewage. The method comprises the following steps of: 1) collecting a proper amount of urban sewage, leaving the urban sewage for a while, abandoning sewage in the upper layer and collecting sewage in the lower layer; 2) repeating the step 1) to a certain water sample total amount; 3) centrifugalizing the collected water sample and collecting a precipitate; 4) extracting DNA in the precipitate; 5) performing PCR and sequencing on the extracted DNA to detect cryptosporidium and giardia lamblia in the urban sewage; and 6) comparing the sequence obtained in the step 5) with a sequence in the GenBank to determine the pest species or genotypes. By virtue of a method of performing PCR on the sewage after centrifugal precipitation, the invention provides the fast detecting and source-tracing method for cryptosporidium and giardia lamblia in the urban sewage, wherein the method is small in demand in sample volume, simple to operate, accurate in result, ideal in species-fixing and source-tracing effect and low in cost.

The invention discloses a technique for preparing gasoline from methyl alcohol through a combined bed. The technique comprises the following steps of: preheating the raw material methyl alcohol through a preheater; inputting the preheated raw material methyl alcohol into an evaporator and completely gasifying; causing the gasified raw material methyl alcohol and recycling gas enter into a combined constant temperature reactor from a mixed gas inlet pipe and draining from an outlet of the combined constant temperature reactor; outputting the product from the discharging port, and then inputting to a condenser in two paths, condensing and then entering into a gas-liquid separator; outputting the separated gas as circulating gas, outputting liquid into an oil water separator for separating, thereby acquiring the required end products of oil and water. The technique is used for overcoming the defects of high operation pressure, high feeding temperature, large recirculating ratio, much more generated invalid low-temperature heat, inconvenience in reutilization, and inconvenience in large-scale industrial production.

The invention discloses a method for synchronously extracting and analyzing polybrominated diphenyl ether, hydroxyl polybrominated diphenyl ether and methoxy polybrominated diphenyl ether in plants, and belongs to the field of extraction and analysis of compounds. The method comprises the following steps of: (1) sample treatment; (2) sample extraction; (3) sample purification; (4) sample separation; and (5) sample analysis. Analysis targets in the sample analysis step (5) are a mixed standard containing 39 kinds of polybrominated diphenyl ethers, 12 kinds of hydroxyl polybrominated diphenyl ethers and 12 kinds of methoxy polybrominated diphenyl ethers. According to the method, polybrominated diphenyl ether, hydroxyl polybrominated diphenyl ether and methoxy polybrominated diphenyl ether can be synchronously extracted, volatilization of polybrominated diphenyl ether, hydroxyl polybrominated diphenyl ether and methoxy polybrominated diphenyl ether is reduced, meanwhile, an analysis method is established, and the analysis accuracy is improved.

The invention relates to the field of molecular biology and provides an Oligo dT primer. The Oligo dT primer contains single-chain DNA molecules having a continuous dT sequence, wherein the DNA molecules contain recognition sites used for cutting; and the recognition sites used for cutting refer to uridine monophosphate, deoxyinosine or phosphorothioate bond. The invention also provides a method for constructing a cDNA library on the basis of the Oligo dT primer. The Oligo dT primer disclosed by the invention is high in applicability and can be applied to multiple different library construction schemes; the initiation sites at the polyA tails of mRNA molecules can be accurately positioned; and according to the method for constructing the cDNA library disclosed by the invention, all the mRNA molecules in samples can be specifically reflected in the constructed cDNA library.

The invention relates to a preparation method of canagliflozin, and the preparation method is characterized in that the preparation method comprises the following steps: 1) reacting 2-(4-fluorophenyl)-5-[(5-iodo-2-methylphenyl) methyl ] thiophene with an alkaline reagent and 2,3,4, 6-tetra-O-(trimethylsilyl)- D- glucolactone under a low-temperature condition, and carrying out methylation and deprotection reaction with a methanol solution of methanesulfonic acid to generate an intermediate 1; 2) under a low-temperature condition, reacting the intermediate 1 with triethyl silane and boron trifluoride diethyl etherate, and carrying out post-treatment to obtain an intermediate 2; 3) under a low-temperature condition, reacting the intermediate 2 with an organic base, DMAP and acetic anhydride,and purifying to obtain an intermediate 3; and 4) reacting the intermediate 3 with an alkaline water solution, and purifying after the reaction to obtain the canagliflozin. The method is mild in conditions, safe to operate, simple in post-treatment and high in product purity, no alpha-isomer is detected; the product is safer.

The invention discloses a garden waste lignin component fermentative degradation method. The method includes the steps of: (1) crushing materials into materials with a particle size of 0.4-0.7cm; (2) placing the crushed materials into a first-stage fermentation area, adding a mushroom residue fermentation broth into the materials to keep the water content of the materials at 55%-65%, and conducting primary fermentation; (3) adding the mushroom residue fermentation broth into the materials subjected to primary fermentation, keeping the water content of the materials at 45%-55%, and then placing the materials in a second-stage fermentation area for secondary fermentation; and (4) putting the fermented materials subjected to secondary fermentation into a third-stage fermentation area for fermentation, thus finishing the whole fermentative degradation process. Directed at the characteristics of lignin in the materials, the method provided by the invention adopts physicochemical treatment method and biochemical treatment method for material pretreatment and material conditioning, and directed at the activity characteristics of bacteria, fungi, actinomycetes and other different dominant degrading floras at different temperature stages in the fermentative degradation process, realizes accurate condition control and efficient degradation of lignin.

The invention discloses a preparation method of a microfluid system for capturing and enriching circulating tumor cells and a microfluid device. The preparation method comprises the following steps: 1) etching, surface modification and biological functionalization of a silicon nanowire chip; 2) preparation of a microfluidic chip; and 3) assembling of the silicon nanowire chip and the microfluid chip. According to the technical scheme, the silicon nanowire chip and the microfluid chip are designed and assembled, so that a technical problem that traditional CTC counting is not high in sensitivity is solved.

The invention provides a gene combination comprising 173 myeloid tumor and lymphoid tissue tumor related genes, a primer combination for the gene combination, and applications of the gene combinationand the primer combination in high-throughput sequencing detection of myeloid tumors. According to the invention, hematopoietic and lymphatic tissue tumors can be comprehensively detected by using ctDNA.

The invention discloses a motor and a radiating structure thereof. The radiating structure comprises a water cooling shell (1) and a stator core (3); cooling water tanks are arranged on at least one of a water cooling fitting surface of the water cooling shell (1) facing to the stator core (3) and an iron core fitting surface of the stator core (3) facing to the water cooling shell (1); and the cooling water tank on one fitting surface is matched with the other fitting surface so as to form a cooling water channel (2). The radiating structure provided by the invention can effectively increase the heat conduction efficiency of the stator core, so that the radiating efficiency of the stator core can be effectively promoted; the volume requirement of the water cooling shell is effectively reduced, so that the overall weight of the motor is reduced, the structure compactness is increased, the motor power density is increased and the mounting space is saved; and the processing of the cooling water channel is convenient and the processing yield of the cooling water channel is increased, so that the processing cost is lowered.

The invention discloses a training sample data obtaining method, a training sample data processing method, a device and a system. The data obtaining method suitable for being executed on an edge computing server comprises the steps: training a target model according to a current training set, and based on the current target model, obtaining a current importance calculation model for evaluating the importance of the data samples to the current target model, and calculating an importance evaluation value for each data sample in the test set through the current importance calculation model to obtain an importance mean value Lave; sending the parameters of the current importance calculation model and the importance mean value Lave to each edge device in a broadcast mode; calculating the access probability of each device according to the received access opportunity parameter value of each edge device, and sending a transmission trigger command to the edge device with the maximum access probability; and receiving data sent by the edge device after screening according to the current importance calculation model and the importance mean value Lave, and adding the data into the current training set to update the target model parameters.

The invention discloses a vacuum pumping system with a glass cover. The vacuum pumping system with the glass cover comprises the vacuum pumping system, a connecting flange, an O-shaped sealing ring, aglass cover and a counterweight lifting mechanism. The connecting flange is connected with the vacuum pumping system through the O-shaped sealing ring to vacuumize the glass cover. According to the vacuum pumping system with the glass cover, the glass cover can be directly observed, optical observation and measurement can be conveniently carried out on the outer portion of vacuum space, the volume requirement and connecting opening requirement of the vacuum pumping system are greatly reduced, and the observability and reliability of a vacuum container are greatly improved.