87results about How to "Easy to operate and save time" patented technology

The invention provides an enriching method of circulating tumor cells (CTCs) and a kit thereof. The enriching method is applied to quickly and efficiently enriching CTCs from blood. The enriching method comprises the following steps of coupling an anti-epithelial cell adhesion molecule (EpCAM) antibody onto a magnetic nanosphere to prepare an immune-magnetic bead; adding the immune-magnetic bead into a blood sample for hatching for 5 minutes, and realizing separating, enriching and purifying of CTCs by the steps such as magnetic separating and washing. The enriching method disclosed by the invention is high in capturing efficiency, short in enriching time, good in specificity and very reliable. Activity ratio of the captured cell is kept at (90.5 + / -1.2)%, and the captured cell can be directly used for cultivation, reverse transcriptase polymerase chain reaction (RT-PCR) and immune cell chemical analysis. Besides, the enriching method provides powerful means for detecting and researching CTCs, and has extremely important medical significance.

This invention relates to a preparation method of S - type clopidogrel and its medicinal salt. It includes four steps :( 1) Split racemic Alpha - (2 - thiofuran ethylamino) - Alpha - (2 - chlorphenyl) methyl acetate (II) or its salt to obtain (+) - II and (-) - II or its salt. (2) Racemize (-)- II or its salt to obtain racemic substance II. (3) Repeat first and second step. (4) Adopt (+) - II obtained from first step to prepare S - type clopidogrel and its corresponding salt. This invention use concentrated sulfuric acid to substitute chlorine sulfoxide, reduce toxicant side effect and erosion of equipment.

The invention relates to a sheet metal micro-crack time reversal positioning method based on abaqus. The invention adopts a method combining test and numerical simulation to solve the technical problem. First, a scattering signal corresponding to damage is obtained through the experiment, and time reversal is calculated; and then re-excitation is carried out on an abaqus finite element model simulating an actual sheet, so as to obtain spatial distribution of time reversal sound field, and realize damage localization and imaging. Compared to a traditional method, which directly conducts time reversal excitation on the specimen and then scans the whole sheet through a vibration measurement with laser to determine the focus location of the signal, the invention uses the finite element simulation software to simulate the time reversal focusing process, and has the advantages of lower cost, and convenient and time-saving operation.

The invention relates to the technical field of furniture, in particular to an office massage seat, which uses neck massage rollers and shoulder massage rollers, solves the problem of shoulder and neck discomfort of office workers, and achieves relief of shoulder and neck discomfort The effect of using the left pedal and the right pedal to control the A brake line and the B brake line respectively solves the problem of taking up working time during manual operation and achieves the effect of convenient and time-saving operation by using the sole of the foot; using the telescopic device and the B compression spring, The problem that people of different heights and shapes need to use devices of different models is solved, and the effect of wide applicability is achieved.

The invention relates to a joint detection device and a preparation method of helicobacter pylori urease antibodies IgM and IgG. The helicobacter pylori urease antibodies are prepared from a nitrocellulose membrane, a glass fiber adsorbing a colloidal gold labeled helicobacter pylori urease antigen and a mouse IgG, a sample pad, absorbent paper and other auxiliary materials, wherein the materials are adhered together, and the nitrocellulose membrane contains a purified high-specificity mouse-anti-human IgM and IgG antibodies, and a goat-anti-mouse antibody in a solid phase manner. The joint detection device has the advantages that the structure is simple, the conception is novel, the nitrocellulose membrane are coated with the anti-human IgM and IgG antibodies, so that the specificity is strong, and the helicobacter pylori urease antibodies IgM and IgG in a specimen are simultaneously detected without increasing the production operation complexity. Proper gold spray buffer and sample pad treating fluid are matched to effectively improve the reaction sensitivity on the basis of guaranteeing complete release of immunocolloidal gold, and under the same threshold, the use amount of the immunocolloidal gold can be reduced to save the cost. The detection device is high in sensitivity, strong in specificity, simple, convenient and strong in practicability and can realize the time-saving aim during operation.

The invention discloses a kit for screening and checking glucose-6-phosphate dehydrogenase (G6PD) deficiency of neonates and a preparation method for the kit. The kit for screening and checking the glucose-6-phosphate dehydrogenase (G6PD) deficiency of the neonates consists of substrate reagent dry powder, a substrate redissolved reagent, a copper reagent, a reaction board and filter paper dried blood spot quality control material. The detection result of the kit is high in accuracy and sensitivity, and the kit has the advantages of high stability, economy, simplicity, high efficiency and thelike; when the kit is applied to screening and checking for the neonates, the relevance ratio of heterozygote is improved; and the judgment accuracy is improved.

The invention provides an amniotic-membrane lacrimal passage repair support which comprises an amniotic-membrane support body made from an amniotic membrane subjected to freeze drying treatment and amedical suture connected to two ends of the amniotic-membrane support body. The length of the amniotic-membrane support body between two suture nodes is slightly larger than the length of the medicalsuture between the two ends of the amniotic-membrane support body. During traction of the amniotic-membrane lacrimal passage repair support, the amniotic-membrane support body is not stressed, it is ensured that the amniotic-membrane lacrimal passage repair support does not break in the lacrimal passage, easily adapts to a zigzag structure of the lacrimal passage, secondary blockage caused by thefact that pulling friction causes damage and adhesion of the lacrimal passage tissues, and meanwhile the amniotic-membrane support body has the very good treating effect on lesion tissues, is conductive to restoration of the epithelium structure and functions of the lacrimal passage, prevents scar formation and is high in efficiency, good in long-term effect and low in relapse rate. The amniotic-membrane support body can be degraded after being implanted without reoperation for removal, can be stored at normal temperature for a long time, is convenient to transport and can meet the clinic demand at any time.

The invention relates to a foam carbon material and a preparation technology thereof, and particularly relates to a thin-wall foam carbon material with nanoscale wall thickness and a rapid preparation method thereof. Through adoption of corrosive pitting hydrolysis and dehydration of acid liquor on corn starch, the starch is rapidly foamed and carbonized due to microwave, so that the thin-wall foam carbon material with nanoscale wall thickness is formed. The carbon yield can reach 25-35%. The thin-wall foam carbon material has a three-dimensional net structure, the meshes are connected through thin-wall carbon layers, the carbon wall area of one mesh is 10-50mu m, the carbon wall is 25nm thick, and the carbon wall comprises hydroxy, carbonyl and epoxy active groups. The material contains micropores and mesopores. The mesopores are mainly in narrow distribution in 2-9nm, and the carbon wall of the activated thin-wall foam carbon material is overlapped by porous carbon plates. The thin-wall foam carbon material is beneficial for fully exposing and effectively using a carbon skeleton, and can be used as an electrode material or a catalyst carrier.

The invention relates to the water treatment industry, in particular to deep filtration and purification of drinking water. The invention discloses an electric control backflushing switching method ofa water purifier filter liner waterway and an integrated electric control valve device thereof. Water inlet ends of part of the plurality of electric control valves controlled by the electric controldevice are connected with a water inlet pipeline to form a water inlet electric control valve with a water outlet end connected with the head end of a filtering channel and a group of backflushing water inlet electric control valves, and water outlet ends of the other part of the plurality of electric control valves are communicated through a backflushing pipeline with an external backflushing connector to form a group of water outlet electric control valves; the water inlet ends of the water outlet electric control valves and the water outlet ends of the backflushing water inlet electric control valves are respectively communicated with the water inlet ends and the water outlet ends of the corresponding to-be-backflushed filter liners; the electric control device conducts the water inletelectric control valve and closes the backflushing water inlet electric control valves and the water outlet electric control valves to form a filtering channel; and the electric control device closesthe water inlet electric control valve and conducts one backflushing water inlet electric control valve and one water outlet electric control valve to form a backflushing channel related to the corresponding to-be-backflushed filter liner. The device further comprises an integrated valve body structure provided with an external water inlet connector and the external backflushing connector.

The invention relates to the technical field of test systems, and discloses a 1*N multi-channel optical switch polling test system. The test system comprises a light source group, a first light switch, a coupler, a Pin tube, a second optical switch, N-channel power meter test module, a third optical switch and a programmable controller; the light source group is connected with the input end of the first optical switch; the output end of the first optical switch is connected with the input end of the coupler; the output end of the coupler is connected with the input end of the Pin tube; the output end of the Pin tube is connected with the programmable controller; the output end of the coupler is connected with the input end of the second optical switch; and output end of the second optical switch is connected with the input end of an optical switch to be tested; the output end of the second optical switch is connected with the input end of the third optical switch; the output end of the optical switch to be tested is connected with the input end of a test module; the output end of the test module is connected with the input end of the third optical switch; and the output end of the third optical switch is connected with the programmable controller. The 1*N multi-channel optical switch polling test system has the characteristics of convenience for operation and time saving.

The invention discloses a high-accuracy anti-oxidation electrode, and belongs to the field of high-accuracy electrodes. According to the high-accuracy anti-oxidation electrode, a base of the electrodeis made from aluminum, and the surface of the base is painted with a gold material coating; therefore, with the application of the treatment mode, the conductivity of an electrode main body is guaranteed, and oxidation resistance of the electrode main body is enhanced, so that the electrode can serve for a long time. An under-pan, which functions as fixing, is arranged at the outer side of the electrode main body, and a stable base is formed in the part, in correspondence to a lead hole, of an electroencephalogram cap, so that firm fixing can be guaranteed, and the electrode can be partiallydetached under such special situations that the number of leads is reduced and the like; therefore, modularization and professionalization are achieved.

The invention relates to a method for preparing a positive electrode material rich in lithium via a sol-gel self-propagating combustion method, and belongs to the manufacturing method of a raw material of a lithium battery. The method comprises the following steps: dissolving the salts of lithium, nickel and manganese in an alcohol reagent so as to prepare a solution A; then standing the solution A in a thermostat water bath at a certain temperature and evaporating in a stirring manner so as to obtain a colloidal chelate precursor B; transferring the colloidal chelate precursor B into a crucible, standing in a muffle furnace and carrying out self-propagating combustion at the certain temperature so as to generate an ash material C; grinding the ash material C, then standing in the muffle furnace and calcining for multiple hours at a high temperature and under an oxygen atmosphere; and grinding and screening so as to obtain the anode material rich in lithium. According to the method, the self-propagating combustion reaction can be carried out without a complete gel drying process by adopting the sol-gel method; the synthesized primary particles are in a submicron grade, i.e., the synthesized primary particles are small in particle diameter and short in lithium ion diffusion path, thereby being favorable for deintercalation of lithium ions. Thus, the defects of the material rich in lithium are overcome.

The invention relates to a method for controlling the screen of a displaying device. The displaying device includes a micro-controller with a memory, and the options about menu-control functions of the screen are stored in the memory. The method includes: a user enters into a sorting operation mode of the screen-displaying menu, and then the user sets a sequencing order about the functional control options, and then the order is transferred to the micro-controller, and then the micro-controller changes the sequence of the function control options.

The invention provides a method for culturing porcine mammary epithelial cells by 3D. The method comprises the following steps: (1) preheating a pore plate at 37 DEG C; (2) digesting porcine mammary epithelial cells of generations earlier than the 10th generation into single cells by trypsin, performing centrifugation, removing supernatant, and retaining precipitate; (3) resuspending the precipitate with a mixed solution prepared from Matrigel and an Advanced DMEM / F12 complete medium at 0-10 DEG C in a volume ratio of 1:1, and adjusting the concentration of the porcine mammary epithelial cellsto 1*10<4>-5*10<4> cells / ml; (4) adding dropwise the resuspension solution according to 30-40 mul per drop to the pore plate, and inverting the pore plate for incubation at 37 DEG C for 30-40 min toform gel; (5) adding the Advanced DMEM / F12 complete medium to the pore plate for continuous culture for 2-3 days, and replacing the Advanced DMEM / F12 complete medium once every other day.

The invention discloses an optimization method of a wheat pollen cell electric-shock-method transformation system and application of the optimization method. The optimization method takes a wheat ripe pollen cell as a transformation acceptor; electric shock conditions of electric shock liquid and germination liquid are screened and optimized so that the vitality and in-vitro germination rate of the wheat ripe pollen cell are improved; by using an electric shock transformation method, transcription factor genes related to dry, high-salt and low-temperature induced expression are transformed to obtain transgenic plants. Compared with current main transgenic methods including an agrobacterium transformation method and a gene gun transformation method and the like, a pollen electric shock transformation method is simple to operate and has relatively low cost, a tissue culture process is omitted and the problems that the reproducibility is not strong and a chimera is easy to generate are solved; the acceptor has no gene type limitation and the transformed plants have the advantages of stable later generations, rapidness in homozygosis and the like; a resistance screening process in the tissue culture process does not need to be carried out and the safe transgenic plants without screening markers can be obtained.

The invention provides a session online method and a session system. The method comprises the steps of establishing data connection with a session host; capturing a displaying image on a connected electronic device; and sending information related to captured displaying image to the session host for displaying and sharing. The method and the system are characterized in convenient operation and saving time.

The invention discloses an ecological intercropping net cage for precious marine products and belongs to the field of aquaculture. The ecological intercropping net cage comprises an upper-layer culture unit, a lower-layer culture unit, a multifunctional drainage system in the middle and a matched device, wherein the culture units are vertically distributed in a net cage purse net; each culture unit comprises an upper-layer sea urchin area and a lower-layer sea cucumber area, and the sea urchin areas and the sea cucumber areas are alternately arranged two by two to form a relatively independent intercropping system; and the upper-layer sea urchin areas and the lower-layer sea cucumber areas are separated by polyethylene nets with meshes, and excrement generated by sea urchin falls into the sea cucumber areas from the meshes to serve as young sea cucumber bait. The multifunctional drainage system is located in the middle of the net cage surrounding net, penetrates through the whole culture net cage, and is used for feeding baits in the sea urchin areas and cleaning sea urchin excrement which is not eaten up by sea cucumbers, excrement generated by the sea cucumbers and other metabolites in the sea cucumber areas. The problems of sea urchin winter ingestion and excrement cleaning can be solved, and winter growth of sea cucumbers is facilitated; and the ecological intercropping net cage uses common culture materials, is low in price, simple and time-saving to operate, capable of realizing large-scale intensive production and suitable for large-scale popularization.

The invention specifically relates to a method for acquiring a suspension cell line with the hypocotyl of cabbage type rape as explant and application of the suspension cell line, belonging to the technical field of plant cell culture. According to the invention, the aseptic hypocotyl of cabbage type rape is used as explant and subjected to induction of embryonic callus, culture of suspension cells and the like so as to construct the suspension cell line of the cabbage type rape; and the suspension cell line is used for research on and comparison of the different morphologies and activities ofsuspension cells under the conditions of normal supply of essential micronutrient elements and shortage of the essential micronutrient elements. The prepared suspension cells of the cabbage type rapeare high in activity, stable and uniform in morphology, short in culture period, not limited by natural environmental factors like season and climate, and applicable to research on the cell development of the cabbage type rape at a single cell level and the cell growth, morphology, transmembrane nutrient transport, physiological and biochemical metabolism and gene expression of the cabbage type rape under the condition of abiotic stress.

The invention discloses a mining roadway pneumatic dust-removing device, which comprises at least one group of device, wherein each group of device is formed by connecting a cylindrical base with air outlet frames on the two sides; a base air inlet at the bottom of the base is connected with one end of an air inlet pipe through a tee joint at the bottom of the base; the other end of the air inlet pipe is connected with a roadway main pressure ventilation pipe; a base air outlet at the bottom of the base is connected with one end of an exhaust pipe; the other end of the exhaust pipe is connected with the first end of the tee joint; the second end of the tee joint is connected with one end of a water inlet pipe; the third end of the tee joint is connected with an atomizing water curtain pipe; a power blade and a turbine pressurizing blade are arranged in the base; turbine pressurizing blade air inlet holes are formed in a shell on the two sides of the base; an air outlet frame air outlet is formed in the outer sides of the air outlet frames; and a dust-removing net is arranged on the back sides of the air outlet frame air outlet. The mining roadway pneumatic dust-removing device solves the problems that the existing dust-removing device has a poor dust-removing effect, is not safe and is complex in operation.

The invention relates to the water treatment industry, in particular to drinking water filtration. The invention discloses a vertical insertion type water passing control device for water path controlof a water purifier and the water purifier. The device comprises a water passing control device; the water passing control device is a water path electric control valve device, or a pressure reducingand stabilizing device, or a water pressure switch device, or a water flow switch, or a flow sensing device, or a discharged concentrated water flow control device. The device further comprises a vertical external pipeline and a vertical fixing device. The upper end of the vertical external pipeline which is arranged downwards is communicated with a related water path of the water passing controldevice; the vertical external connection pipeline of the vertical insertion type water passing control device is vertically connected with the water passing control device connection water gap in theupper side of the rigid multi-pipeline layer structure in a sealed and butt joint mode while the vertical external connection pipeline and the rigid multi-pipeline layer structure on the lower side are vertically connected into a whole. And after the vertical fixing device is separated, a vertical external pipeline of the vertical insertion type water passing control device is separated from a water passing control device connecting water opening in the upper side of the rigid multi-pipeline layer structure.

The invention discloses an ide rice warp clamping dyeing method. The dyeing method comprises the steps of designing a pattern, performing beam splitting and warping, hanging a warp bundling frame, reserving warp bundling, adopting a warp clamping device at the two ends of silk yarn needing to be dyed for warp clamping, suction colors, performing drying in the shade, removing the warp clamping device of the dyed silk yarn, clamping warp at the two ends of the silk yarn needing to be dyed with next color, sucking the color, performing drying in the shade, continuing to perform the operation tillthe silk yarn with the needed color is obtained, lowering down the warp bundling frame, performing steaming fixation, hanging the warp bundling frame, soaping, performing clean water washing, lowering down the warp bundling frame, performing anti-dipping soaping, washing, removing reserved warp bundling, washing, performing drying in the shade, performing warp splitting, performing registering, gathering warp, drawing-in, weaving, calendering and obtaining a finished product. By adopting the ide rice warp clamping dyeing method and the specific dye solution formula, the obvious energy-savingeffect can be achieved while the sewage discharge amount and plastic contaminations are lowered, and the phenomenon that the coating dyed warp is hard in touch and yarn is adhesively connected are completely overcome.

Provided is a pipe joint configured so that the pipe joint can be handled with increased efficiency during the work of connecting pipe bodies and so that the repair of a constituting part broken during connection or maintenance can be facilitated. A pipe joint is provided with: a first sleeve 10 connected to a first pipe body 1; and a second sleeve 20 connected to a second pipe body 2 and having an opening capable of receiving the first sleeve 10. The first sleeve 10 is provided with a first collar 11, a second collar 12, and a third collar 13 which has an inner diameter d13 larger than the outer diameter D12 of the second collar 12 and which is supported by both walls 12tw of a groove 12t so as to be rotatable in the outer circumferential direction, the groove 12t being formed by the first collar 11, the second collar 12, etc. The third collar 13 is provided with at least one first protrusion 14 protruding outward radially. The second sleeve 20 is provided with: a cutout 21 capable ofreceiving the first protrusion 14; and a first recess 22 for receiving the first protrusion 14 through the cutout 21 and rotatably guiding the first protrusion 14 in the inner circumferential direction of the second sleeve 20.

The invention discloses a water and chemical supply system of a spray vehicle. The water and chemical supply system comprises a water pump, a water inlet pipeline and a water outlet pipeline. The water inlet pipeline and the water outlet pipeline are respectively connected with an inlet and an outlet of the water pump. The water and chemical supply system is characterized in that the water outlet pipeline comprises a first water outlet pipeline section, a second water outlet pipeline section and a third water outlet pipeline section which are sequentially connected with one another in the front-back direction, the second water outlet pipeline section comprises a first branch and a second branch which are arranged in parallel, a first switch valve is mounted on the first branch, a fertilizer applying pump and a second switch valve are mounted on the second branch, and the fertilizer applying pump is positioned at the front end of the second switch valve; an electromagnetic valve is mounted on the first water outlet pipeline section. The water and chemical supply system has the advantages that a water supply function and a chemical supply function can be implemented by the single water outlet pipeline and the single electromagnetic valve, the quantity of electromagnetic valves is reduced as compared with an existing structure with two water outlet pipelines, pipeline connection is simplified as compared with the existing structure with the two water outlet pipelines, and accordingly the manufacturing cost is greatly reduced; only interlocking operation needs to be performed on the first switch valve and the second switch valve when water or chemical is supplied, so that the water and chemical supply system is convenient to operate, and time can be saved.

The invention provides a tourill bypass device which is characterized in that when the tourill is needed to be replaced, during the rotating of a handle, electrical signals can be sent to a control circuit board through pressing a trolley wheel of a micro switch; a solenoid valve is controlled by the control circuit board; and an air channel of a two-position three-way valve is controlled by the control circuit board; the tourill is bypassed effectively in time; and the operation is convenient and timesaving. The tourill bypass device has the advantages that after the tourill is replaced, the handle is only needed to be rotated to the original position; the operation is simple and effective during the whole replacing process; and the seal effect of the air channels is good.

The invention relates to a method for preparing hydrogen through water photolysis, which in detail relates to a method for generating hydrogen through seawater photolysis with marine green alga. It takes marine green alga asww systematic hydrogen generation material, installs alkaline hydrogen-oxygen fuel cell continuous hydrogen consuming system on photoreactor to maintain low hydrogen pressure in system, the hydrogen concentration in system can be reflected by measuring the circuit current outside battery according to the relevant relationship between electron number and hydrogen number, and studies the characteristics of green alga under CCCP stress and regulation. The hydrogen generation time is prolonged by 5 times under continuous hydrogen consumption by fule battery to 120 hours; and the total hydrogen output is 54.4 ml, which is 2.2 times of the optimal level of unused fule battery continuous hydrogen consumption system. The invention is characterized by high-effective and sensitive inspection for hydrogen generation, simple method, strong anti-interference and wide application prospect.