44results about How to "The method of operation is quick" patented technology

The invention belongs to the field of rock engineering, and specifically relates to a manufacture method of a rock sample with random fractures. The manufacture method comprises the following steps: (1) preparing a tin strip so as to simulate a crack; (2) preparing a mortar material so as to stimulate a rock material; (3) mixing and stirring the tin strip and the mortar material; (4) pouring the mixture into a forming mould so as to carry out a forming treatment through a vibrating and smashing method; (5) disassembling the forming mould; (6) maintaining the sample at a constant temperature under a constant humidity; (7) subjecting the random fracture rock sample to a low-temperature forming treatment. The manufacture method is capable of manufacturing a cracked rock with a large amount of random fractures, can conveniently modulate the probability density distribution of fractures so as to be accord with the actual situation of engineering rock, and has the advantages of simple operation, high efficiency, rapidness, and wide application range.

The invention relates to a catalyst used for making tetrafluoromethane through gas-phase fluorination and a preparation method thereof, and aims at providing a catalyst used for making tetrafluoromethane through gas-phase fluorination characterized by high activity and high stability and a preparation method thereof in consideration of poor activity and low stability existing in the existing gas-phase fluorination catalyst. The preparation method of the catalyst of the invention is as follows: one or more than one compound of Y, compound of Cr, compound of magnesium, aluminum, indium, gallium, zinc, scandium, strontium, iron, cobalt, nickel and cadmium are measured according to a certain proportion; the precipitator adopts one among ammonia, sodium hydroxide, ammonium carbonate, sodium carbonate and potassium hydroxide, and sediments are obtained by a coprecipitation method, and the precursor of the catalyst is obtained by baking and roasting the sediments then the catalyst is obtained after being treated with anhydrous hydrogen fluoride.

The invention relates to a catalyst for fluorination, especially a catalyst for producing HFC-134a in gas phase fluorination and the manufacturing method. Aiming at the lack of prior technology, the invention provides a catalyst for producing HFC-134a in gas phase fluorination with high activity and high stability and the manufacturing method. The catalyst comprises carrier and active component. The carrier adopts Y compound and the active component adopts Cr compound. The preparing process for the catalyst for producing HFC-134a in gas phase fluorination is that soluble Cr and Y salts are taken to be dissolved by water according to the proportion; it is mixed in uniformity; precipitant is added to make them precipitate; then the filter solution is neural after centrifugal separation and washing; it is dried; the dried precipitate is formed by tablet mould; the precursor of fluorination catalyst is obtained by baking; after it is treated dry by nitrogen, it is treated by HF without water; finally the catalyst is obtained.

The invention belongs to the field of geotechnical engineering and particularly relates to a manufacturing method for a rock test sample containing hole defects. The manufacturing method for the rock test sample containing the hole defects comprises the following steps: (1) preparing a tin ball for simulating the hole defects; (2) preparing a mortar material for simulating a rock material; (3) mixing and agitating the tin ball and the mortar material; (4) filling a molding mould with a mixture, and vibrating and molding; (5) detaching the molding mould; (6) curing the test sample under the conditions of constant temperature and constant humidity; and (7) molding the rock test sample containing the hole defects at a low temperature. According to the manufacturing method for the rock test sample containing the hole defects, the manufacturing of a plurality of the hole defects in an engineering rock body is guaranteed and the probability density distribution of the hole defects can be conveniently adjusted so as to meet the conditions of the actual engineering rock body; the operation method is simple, efficiency and rapid and the application range is wide.

The invention discloses an intelligent urine analyzing system and an operation method thereof. The operation method comprises the steps that an APP application program of a first intelligent terminal controls an intelligent urine analyzer to detect, feeds a testing result back to the first intelligent terminal and sends the testing result to a printing device to be printed; the first intelligent terminal transmits the testing result to a cloud server; the cloud server transmits the testing result to a second intelligent terminal for a doctor in a hospital to diagnose; a diagnosis opinion of a doctor in a hospital is fed back to the first intelligent terminal through the cloud server for a patient to check. According to the operation method thereof, the detection result of the intelligent urine analyzer is transmitted to the first intelligent terminal of the patient and the second intelligent terminal of the doctor; thus, the inconvenient problem that the patient needs to go to hospital to detect in person is solved, convenience is brought to the patient to detect, and the problems that the patient cannot understand a physical condition represented by the testing result and the like are solved.

The invention discloses a catalyst containing palladium compound, a preparation method and an application thereof. According to a compounding method of the palladium compound PdBr2(PPh3)2, o-chloro pyridine is taken as an initial raw material, reacts with methyl iodide and then reacts with tetra (triphenylphosphine) palladium. According to the compounding method of the palladium compound PdI2(PPh3)2, o-bromopyridine is taken as the initial raw material, reacts with iodoacetic acid and then reacts with tetra (triphenylphosphine) palladium. The method for compounding the target product provided by the invention is simple, easy to operate and control and also has the advantages of high product purity and high yield. Such a compound can be applied to the Heck coupling reaction of aryl halogen and ethyl acrylate and has ultrahigh catalytic activity.

The invention discloses a water-saving valve element and a fluid supply system thereof. Valve element modes include the single cooling mode and the single heating mode. Control handle placement positions include the regulating area and the lower stop position. Valve element states include the opening state and the closing state. The water-saving valve element is characterized in that when a control handle is located in the lower stop position in the single cooling mode, the water-saving valve element is in a saving state or a critical state in the single cooling mode, and when the control handle is located in the lower stop position in the single heating mode, the water-saving valve element is in the closing state; and alternately, when the control handle is located in the lower stop position in the single heating mode, the water-saving valve element is in the saving state or the critical state in the single heating mode, and when the control handle is located in the lower stop position in the single cooling mode, the water-saving valve element is in the closing state. The water-saving valve element is beneficial for saving water, can facilitate control over a fluid supply device through a valve, can particularly facilitate control over the supply temperature of hot fluid of the hot fluid supply device, and can facilitate normal use of the hot fluid supply device.

The invention discloses an airtight cap sealing fixture based on hot plate heating. The airtight cap sealing fixture is characterized by comprising a heating plate, fixing screws, a press plate and press blocks, the press plate is pressed above the heating plate, and the press blocks are located between the heating plate and the press plate; the center of the heating plate and the center of the press plate are each provided with a screw hole; the screw holes are matched with the fixing screws. The airtight cap sealing fixture has the advantages that as circuits are arranged in grooves in the heating plate, protection for the circuits can be improved, and the damage to the circuits during use can be reduced; after a cover plate with a solder ring is placed above the heating plate in the manner of being aligned to a corresponding position, the press blocks are lightly placed onto the cover plate, and the screws are screwed; when rotated to the degree that the press blocks just make contact with the cover plate, the screws are rotated by a certain angle, a certain amount of force is applied to the screws, and then the cover plate can be fixed; the positions of the press blocks can be modified according to the requirements of products, and different style selections can be provided. The airtight cap sealing fixture is simple in structural design, quick in operation method and capable of well solving the technology problem in the cap sealing process.

The invention relates to a rock similar to pore rock mass and uses for experiments, wherein the rock comprises 1200-2400 kg / m<3> of quartz sand, 260-390 kg / m<3> of cement, 102-178 kg / m<3> of water and 8-32 kg / m<3> of a water permeable concrete reinforcement agent. The preparation method comprises: weighing the raw materials according to the formula, uniformly mixing the quartz sand, the cement and the water permeable concrete reinforcement agent, gradually adding the water, uniformly stirring, loading the mixture into a mold, carrying out compaction molding, removing the mold, and curing. According to the present invention, the similar simulation requirements of different types of rock masses can be met by changing the ratio of the components, such that the difficulty of the geomechanical model test research work can be substantially simplified; the complete stress-strain process and the similar water-physical property of the similar rock and the virgin rock can be achieved, and the problem that the model test is used to reveal the underground structure and water-rich rock mass solid-liquid coupling failure damage mode can be solved; and the operation method is simple, efficient and rapid, the complicated post-treatment process does not exist, and the advantages of safety, no toxicity and wide application rage are provided.

The invention discloses a preparing technology of super-fine nanometer metal oxide material in the nanometer material preparing domain, which is characterized by the following: preparing oxide priority through certain proportional metal composition and organic complex compound; sintering protected by nitrogen; making organic complex compound carbonize to decompose; placing materials in the air to remove carbon at lower temperature to obtain super-fine nanometer material with high specific surface area.

The invention discloses a valve device and a fluid supply system thereof. The valve device is provided with a first fluid inlet end, a second fluid inlet end and a fluid outlet end. An operation area of an operation mechanism is divided into a mixing degree adjusting area for adjusting the mixing degree of first fluid and second fluid, and a flow adjusting area capable of always adjusting the fluid outlet end flow of the whole mixing degree adjusting area. The mixing degree adjusting area is divided into a first fluid area with a fluid outlet end only discharging the first fluid, a mixing area with a fluid outlet discharging a mixture of the first fluid and the second fluid, and a second fluid area with a fluid outlet end only discharging the second fluid. The flow of the minimum stop position of a flow adjusting area in the first fluid area of the operation mechanism is larger than zero, and the flow of the minimum stop position of a flow adjusting area in the second fluid area of the operation mechanism is equal to zero. The valve device and the hot fluid supply system thereof are beneficial for saving fluid passing through the valve device and can facilitate normal use of a hot fluid supply device.

The present invention relates to a fluoridation catalyst, in particular to a vapor-phase fluorination catalyst for producing difluoromethane and a preparation method of the same. The present invention is directed to provide a vapor-phase fluorination catalyst with high activity and high stability for producing difluoromethane and a preparation method of the same, so as to overcome the disadvantages of the prior art. The catalyst of the present invention comprises a carrier and an active component, wherein the carrier is a Y compound and the active component is a Cr compound. The preparation method of the catalyst comprises the steps of: weighting proportionally dissoluble Cr salt and Y salt to be dissolved by water and be mixed equably, and adding precipitator to make both of them precipitate, and then executing centrifugal separation, scrubbing until the filtrate is neutrality, and drying; molding the dried precipitate by tabletting mould and calcining to obtain a precursor of the fluoridation catalyst, and then drying by nitrogen gas and processing by anhydrous HF so as to obtain fluoridation catalyst.

The invention aims to provide a hydraulic ejecting type mounting in-place method for a generator of a large gas turbine for solving the technical problem that the generator of the large gas turbine ismounted in place in a narrow space. The hydraulic ejecting type mounting in-place method for the generator of the large gas turbine comprises the following steps: I, backfilling a generator base; II,arranging a sleeper platform; and III, transferring the generator.

The invention discloses a method for preparing a fish ovary germ cell chromosome. The method comprises the following steps of: preparing a living mature ovary and washing the living mature ovary with normal saline; putting the ovary in normal saline containing 1mug / ml estrogen, cutting the ovary into small sections, and putting the ovary sections on a shaker for culturing for 1-3 hours at room temperature by keeping out of the sun; coating a layer of 1 percent agar at the bottom of a culture dish and filling a 4 percent glacial acetic acid solution; putting several cultured ovary sections into the 4 percent glacial acetic acid solution; after the ovary sections move to an animal pole, peeling off the ovokaryons; peeling off yelks on the peripheries of the ovokaryons; putting the ovokaryons in pre-cooled Kano stationary liquid for freezing overnight, wherein the Kano stationary liquid is prepared by mixing methanol and glacial acetic acid together, and the volume ratio of the methanol to the glacial acetic acid is 3:1; putting 3-5 ovokaryons frozen overnight on a glass slide for 10-20 seconds; then putting the glass slide carrying the ovokaryons into a dye vat containing a coloringagent for dying for 30-45 minutes by keeping out of the sun; and after the glass slide is soaked for 30 minutes in pure water by keeping out of the sun, covering cover glass on the glass slide.

The invention discloses a fluid supply system which comprises at least one valve device and a fluid supply device. A fluid outlet of the fluid supply device communicates with fluid inlet ends of the various valve devices, and a fluid supply situation of the fluid supply device is controlled by controlling the flow rates of the fluid inlet ends according to operating mechanisms of the valve devices. The fluid supply system is characterized in that operating positions of the operating mechanism of each valve device comprise, besides a closed position where the flow rate of the corresponding fluid outlet end is zero, at least two limit stop positions where the flow rates are different. According to the fluid supply system, fluids passing through the valve devices can be saved by adopting the valve devices; in addition, the valve devices can provide feedback information for the fluid supply device, especially for a hot fluid supply device, and the realization of the control on the fluid supply device, especially the control on the hot fluid supply temperature of the hot fluid supply device, through valves is facilitated.

The invention discloses a valve device and a fluid supply system thereof. The valve device is provided with a first fluid inlet end, a second fluid inlet end and a fluid outlet end. An operation area of an operation mechanism is divided into a mixing degree adjusting area for adjusting the mixing degree of first fluid and second fluid, and a flow adjusting area for adjusting the fluid outlet end flow of the mixing degree adjusting area. The flow of minimum stop positions of flow adjusting areas in a first fluid area and a second fluid area of the operation mechanism is larger than zero, and the flow of the minimum stop position of a flow adjusting area in a mixing area is equal to zero. The valve device and the hot fluid supply system thereof are beneficial for saving fluid passing through the valve device and can facilitate normal use of a hot fluid supply device.

The invention provides a silicon substrate cleaning method. The silicon substrate cleaning method comprises steps that the silicon substrate with carbon nanotubes and other impurities remaining is obtained, and the silicon substrate is polished through plasma beams; the silicon substrate after plasma beam polishing is chemically cleaned with acid solution; and silicon substrate after chemical cleaning is subjected to physical cleaning; the silicon substrate physical cleaning is blown dry, and then a reusable silicon substrate is obtained. The method is advantaged in that the silicon surface color is uniform and consistent after cleaning, a spot and ash stamp problem is eliminated, and the secondary carbon nanotube growth test shows that the carbon nanotube output reaches 92-98% of new silicon wafers, which basically met target requirements.

The invention discloses a single-handle double-joint water valve core and a fluid supply system with the single-handle double-joint water valve core. A valve device is provided with a first fluid inlet end, a second fluid inlet end and a fluid outlet end. An operating region of an operating mechanism is divided into mixing degree adjusting regions for correspondingly adjusting the mixing degree of first fluid and the mixing degree of second fluid and flow adjusting regions for adjusting the flow of the fluid outlet end of the valve device in the mixing degree adjusting regions. The flow of the minimum stop of the flow adjusting region of a first fluid region and the flow of the minimum stop of the flow adjusting region of a second fluid region are both larger than zero, and the flow of the minimum stop of the flow adjustment region of a mixing region is equal to zero. The valve device and the hot fluid supply system with the valve device have the beneficial effects that the fluid passing the valve device can be saved, and the normal use of a hot fluid supply device can be facilitated.

The invention discloses a valve device and a fluid supply system thereof. The valve device comprises a valve unit controlling the passing state of fluid during passing, and an operation mechanism operating in an operation area of the operation mechanism to achieving the control. The valve unit is provided with a first fluid inlet end, a second fluid inlet end and a fluid outlet end. The operation area of the operation mechanism is divided into a mixing degree adjusting area adjusting the mixing degree of first fluid and second fluid, and a flow adjusting area adjusting the flow of the fluid outlet end in the mixing degree adjusting area. The mixing degree adjusting area comprises a necessary first fluid area with a fluid outlet end through which only the first fluid flows out, a necessary second fluid area with a fluid outlet end through which only the second fluid flows out, and a dispensable mixing area with a fluid outlet end through which mixed fluid of the first fluid and the second fluid flow out. The flow of the operation mechanism in the maximum stop position of the flow adjusting area of the first flow area and the flow of the maximum stop position of the flow adjusting area of the second flow area are unequal. Through the valve device and the fluid supply system thereof, the fluid flowing through the valve device can be saved, and normal use of a hot fluid supply device can be facilitated.

The invention provides a silicon substrate cleaning method, which comprises the following steps: providing a silicon substrate, and carrying out ultrasonic processing; processing the silicon substrateobtained after ultrasonic processing with an HPM reagent, and carrying out water rinsing and ultrasonic processing to obtain a first silicon substrate; wiping the first silicon substrate with absolute ethyl alcohol, and carrying out ultrasonic processing again to obtain a second silicon substrate; and processing the second silicon substrate with an SPM reagent, and carrying out water rinsing, ultrasonic processing and drying to obtain a reusable silicon substrate. After cleaning, silicon wafers are uniform and consistent in surface color, and have no spot and grey mark problems; and growth test of secondary carbon nanotubes shows that yield of the CNTs is lower than the yield of CNTs prepared through the new silicon wafers only by 4.5%, array height is lower than that of the new silicon wafers by 2.9%, and target requirements are basically met.

The invention discloses an airtight cap sealing fixture based on hot plate heating. The airtight cap sealing fixture is characterized by comprising a heating plate, fixing screws, a press plate and press blocks, the press plate is pressed above the heating plate, and the press blocks are located between the heating plate and the press plate; the center of the heating plate and the center of the press plate are each provided with a screw hole; the screw holes are matched with the fixing screws. The airtight cap sealing fixture has the advantages that as circuits are arranged in grooves in the heating plate, protection for the circuits can be improved, and the damage to the circuits during use can be reduced; after a cover plate with a solder ring is placed above the heating plate in the manner of being aligned to a corresponding position, the press blocks are lightly placed onto the cover plate, and the screws are screwed; when rotated to the degree that the press blocks just make contact with the cover plate, the screws are rotated by a certain angle, a certain amount of force is applied to the screws, and then the cover plate can be fixed; the positions of the press blocks can be modified according to the requirements of products, and different style selections can be provided. The airtight cap sealing fixture is simple in structural design, quick in operation method and capable of well solving the technology problem in the cap sealing process.

The invention discloses a power storage battery fault single body screening structure and a method thereof. The power storage battery fault single body screening structure comprises a storage battery,wherein the storage battery comprises a middle cover and a bottom groove; the bottom groove is internally divided into a plurality of same single cells through partition plates, each single cell is internally provided with one pole group, and every two adjacent pole groups are directly connected through a busbar; the busbars are fixed inside the middle cover in a sealed mode through glue, blind holes are drilled in the positions right over the centers of the busbars, and self-tapping screws are connected into the blind holes in a threaded mode; and bolts are connected to the tops of a cathodeterminal and a anode terminal of the storage battery in a threaded mode, and the bolts are connected to a discharge instrument through wires. According to the power storage battery fault single bodyscreening structure and the method thereof, the structure is simple, the operation is convenient and quick, the voltage in the single cells is detected through the discharge instrument, the single cells with low voltage can be quickly detected, and the pole groups of the single cells do not need to pulled out for searching for reasons, so that the dissection analysis efficiency is greatly improved, and powerful help is provided for the analysis of faults.