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60results about How to "Fast detection operation" patented technology

Test device and method for computer function of mobile phone screen connector

The invention discloses a test device and method for the computer function of a mobile phone screen connector. The test device comprises a machine body, a test tool, a positioning mechanism, a transfer mechanism and a discharging mechanism, wherein the test tool, the positioning mechanism, the transfer mechanism and the discharging mechanism are installed on the machine body. The test tool is provided with a detection station. A mobile phone screen connector of a to-be-tested mobile phone screen is subjected to adjustment and angle positioning to a required angle through the positioning mechanism so as to adapt to the detection station position, so that the crimping detection of the mobile phone screen connector is enabled to achieve precise positioning, the detection process is fast, the degree of automation is high, and the detection efficiency is high. The test device is simple and reasonable in structure, the usage is convenient, the space is saved, the application is stable, the cost performance is high, and the accurate positioning is achieved.
Owner:深圳眼千里科技有限公司

Viable cell mitochondria G-quadruplex targeted fluorescent probe and application thereof

The invention discloses novel application of a cyanine dye to viable cell mitochondria G-quadruplex detection. The cyanine dye is a structural compound shown as a formula (I) or a stereoisomer of thecompound shown as the formula (I). A cyanine dye fluorescent probe has advantages of high biocompatibility, low cytotoxicity, low molecular weight and low biological sample damages, and real-time observation of cell samples can be realized without being affected by pH values of cells.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Fluorescent probe and application thereof

The invention discloses a fluorescent probe and application thereof. The fluorescent probe is provided with a structure shown as a formula I or a stereoisomer of the fluorescent probe, wherein R1 is hydrogen, alkyls of C1 to C6, phenyl or alkyl-substituted phenyl; R2 to R9 are independent hydrogen atoms, alkyls of C1 to C6, halogenated alkyls of C1 to C6 and alkoxys or hydrogen atoms of C1 to C6;R10 and R11 are independent sulfo or sulfo-substituted alkyls of C1 to C6; X1 and X2 are independent carbon, oxygen, sulfur, selenium or tellurium. The fluorescent probe has the specific advantages ofgood biocompatibility, low cytotoxicity, small damage to a biological sample and good photobleaching resistance; long-time effective observation of a cell sample can be realized without influence from a pH value of a cell.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Disc-shaped part flatness detecting device, automatic detecting table and detecting method thereof

The invention discloses a disc-shaped part flatness detecting device, an automatic detecting table and a detecting method thereof. The device comprises a bottom plate; a bracket, a detecting mechanism, a displacement sensor and a slip assembly, wherein the bracket is fixedly disposed on the bottom plate; the detecting mechanism is fixedly disposed on the bracket and comprises a rotary assembly anda guide rail assembly which are vertically connected in sequence, the rotary assembly is fixedly disposed on a support and the output end rotates around a Z axis, and the guide rail assembly is horizontally fixed to the output end of the rotary assembly to provide linear movement in a horizontal direction; the displacement sensor is fixedly disposed at one end of the guide rail assembly; and theslip assembly is fixed on the bottom plate and located below the detecting mechanism for mounting and transporting a to-be-detected part. The cost is moderate, the occupied space is small, a disc-shaped part can be taken and placed conveniently, the detecting operation is quick, an executing mechanism is accurately controlled, the automation degree is high, manual product surface flatness measurement can be replaced, the detecting efficiency and the accuracy can be effectively improved, and the requirements of the daily detection quantity can be met.
Owner:SOUTH CHINA UNIV OF TECH

Dynamic balance testing device for forged planetary gear

The invention relates to the technical field of planetary gear testing, in particular to a dynamic balance testing device for a forged planetary gear. The device comprises: a workbench; a bearing and rotating mechanism which is arranged on the workbench; an end face testing mechanism which is located on one side of the workbench and located on one side of the bearing rotating mechanism; a radial surface testing mechanism which is located on the side, away from the end surface testing mechanism, of the workbench and located on the side of the bearing rotating mechanism, wherein the bearing rotating mechanism comprises at least four movable sliding blocks, and the four movable sliding blocks can be unfolded or folded on the upper surface of the workbench in a rectangular shape; and four carrying discs WHICH are arranged above the movable sliding blocks in a horizontal rotating mode and used for carrying the lower end faces of the planetary gears. According to the technical scheme, the problem that operation is inconvenient due to the fact that measurement is carried out through two sets of detection tools is solved, the equipment is rapid in detection operation, End face parallelism measurement and external diameter detection are integrated on one tool for simultaneous detection, and the test efficiency is greatly improved.
Owner:李志方

Method for producing rubber matrix Chinese medicine plaster based on Mooney viscosity

The invention provides a method for producing a rubber matrix Chinese medicine plaster based on Mooney viscosity. The method comprises the steps that: natural rubber or synthetic rubber plasticated into slice is placed in an internal mixer, a filler, a viscosifier, a softener and a Chinese medicine extract are added in accordance with the formulation of the rubber matrix Chinese medicine plaster for mixing, the internal mixer is shut off and samples are taken for analyzing the value of Mooney viscosity of the mixed plaster, the mixing time is controlled in a range from 4 to 25 minutes so thatthe Mooney viscosity of the mixed plaster, measured by a Mooney viscosity apparatus, is from 3 to 9; refining is then implemented, the mixed plaster is rolled 1 to 6 times on a mixing mill or milled for 1 to 5 minutes in the internal mixer, and the Mooney viscosity of the sampled plaster after the refining, measured by the Mooney viscosity apparatus, is from 2 to 7 by controlling the rolling timesor the milling time. According to the method, the Mooney viscosity of the rubber plaster in different production steps is regarded as quantitative indicators in order to monitor the production of therubber plaster on the scene, thus ensuring the coating and adhesive performance of the rubber plaster article.
Owner:SOUTH CHINA UNIV OF TECH +1

On-site detection method of hydrogen peroxide based on europium-based metal organic framework material Eu-MOF

The invention discloses an one-site detection method of hydrogen peroxide based on a europium-based metal organic framework material Eu-MOF. Firstly, 1, 3, 5-trimellitic acid and europium nitrate hexahydrate are used as raw materials to synthesize a novel Eu-MOF. The material has good water and heat stability and excellent luminescence property, and can be used as a fluorescent probe. Eu-MOF and Fe < 2 + > are mixed, when target hydrogen peroxide exists, Fe < 2 + > generates Fe < 3 + > through a Fenton reaction, and Eu-MOF aggregation and fluorescence quenching are triggered. Then, image analysis software loaded on a tablet personal computer is used for analyzing the intensity of the fluorescence signals, the linear relations between the hydrogen peroxide concentration and the fluorescenceintensity are established, and quantitative analysis of hydrogen peroxide is achieved. The detection method does not need large instruments, is simple and convenient to operate, has good selectivityand stability, and is suitable for on-site detection of hydrogen peroxide.
Owner:ANQING NORMAL UNIV

Method for detecting nephrotic syndrome hemorrhagic fever antibody

The present invention provides a method for detecting hemorrhagic fever with renal syndrome (HFRS) antibody, belonging to the field of biological technology. It relates to a technique capable of utilizing immunomagnetic trapping technique and antigen protein of enzyme-labelled recombinant virus to detect antibody of HFRS due to Hantanvirus. Said method includes the following steps: purifying S gene recombinant protein of Hantanvirus representative strain Z10 and L99 expressed by pET prokaryotic expression system, labeling biotin or horseradish peroxidase, making magnetic microsphere be connected with sheep anti-human IgM (mu chain) or sheep anti-human IgG antibody and making it be sensitized to obtain immunomagnetic microsphere for detecting specific IgM / IgG antibody of seoul type or Hantan type of Hantanvirus and creating the quick and sensitive immunomagnetic microphere ELISA method for detecting HFRS specific IgM / IgG antibody in blood serum sample.
Owner:天津市卫生防病中心 +2

Aquatic product Edwardsiella tarda rapid drug allergy detection kit

The invention relates to an Edwardsiella tarda rapid drug allergy detection kit which can be applied in aquaculture sites. The Edwardsiella tarda rapid drug allergy detection kit comprises a detection plate, a bacterium body collecting tool, bacterium increasing liquid, a drug allergy detection culture medium, a turbidimetric tube and a colorimetric card. The detection plate comprises a detection hole which is used for drug allergy detection and is coated with drugs and a colorific indicator. The colorific indicator is alamar blue. Due to the fact that the bacterium increasing liquid of the Edwardsiella tarda is formed by adding fish meat peptone, Ca2+ and Mg2+, and adjusting concentration of sodium chloride (NaCl) on the basis of an MH culture medium, growth of the Edwardsiella tarda can be effectively improved, the bacterium increasing liquid is enabled to reach required concentration in a short time, and time of the drug allergy detection is shortened. Meanwhile, due to the facts that a blue dyestuff namely the alamar blue is used, and the alamar blue is safe and nontoxic to cells, the Edwardsiella tarda rapid drug allergy detection kit is free from toxic action to the cells, the alamar blue is directly coated in a drug allergy detection plate micro hole and is incapable of influencing the growth of bacteria, detection operation is enabled to be simple, convenient and rapid, and multiplication trends of the bacteria can be continuously monitored.
Owner:MARINE BIOLOGY INST OF SHANDONG PROVINCE

Colloidal gold immune test paper strip for cubilose and preparation method for colloidal gold immune test paper strip

The invention provides a colloidal gold immune test paper strip for cubilose. The colloidal gold immune test paper strip for cubilose comprises a sample pad, a combination pad, a reaction pad, a water absorption pad, and a polyvinyl chloride (PVC) backing; the sample pad, the combination pad, the reaction pad and the water absorption pad are sequentially adhered to the PVC backing; the combination pad is adhered to the sample pad and is overlapped with the reaction pad; the reaction pad is overlapped with the water absorption pad; the combination pad is coated with an anti-sialoglycoprotein antibody colloidal gold marker; and the reaction pad is coated with a detection line consisting of sialoglycoprotein antigen and a quality control line consisting of goat anti mouse immunoglobulin G (IgG). The cubilose and relative products thereof can be qualitatively detected by using the colloidal gold immune test paper strip; the colloidal gold immune test paper strip for cubilose has a wide application range, is high in specificity, and has a good effect of matrix interference resistance, and is low in detection cost; and by using the colloidal gold immune test paper strip, the cubilose and relative products thereof can be quickly detected on the scene.
Owner:SHENZHEN ACAD OF METROLOGY & QUALITY INSPECTION

Elastic fabric shrinkage detection device

The invention provides an elastic fabric shrinkage detection device. The elastic fabric shrinkage detection device comprises a workbench, and a driving structure which is arranged on the workbench and comprises a driving motor, a driving gear, a threaded rotating rod and a driven gear. According to the elastic fabric shrinkage detection device provided by the invention, the driving structure is arranged to be matched with a detection structure for use, so that automatic detection operation on a fabric can be realized; the driving structure is mainly used for moving the fabric, and the fabric can automatically enter a steam chamber and a drying chamber to be subjected to steam treatment and drying treatment respectively, so that manual fabric transfer operation is omitted and the workload is greatly reduced; and the detection structure is arranged for detecting the fabric, and the driving structure and the detection structure are controlled to operate through a controller, so that continuous manual control is not needed, intelligent operation is achieved, and the use is quite convenient and flexible in the detection structure.
Owner:绍兴舜佳纺织科技有限公司

Urine detection test paper for reflecting human fatigue degree, and preparation method thereof

The invention relates to the technical field of medical detection, particularly to a urine detection test paper for reflecting the human fatigue degree, and a preparation method thereof, wherein the urine detection test paper contains thiol protease, sodium dihydrogen phosphate, water-soluble polythiophene, chloroauric acid tetrahydrate, sodium hydroxide and polyvinyl alcohol, and the surface of the urine detection test paper is coated with a chitosan / titanium dioxide composite film. The preparation method comprises: immersing filtration paper in the mixed solution of a solution A and a solution B, and covering the surface of the filtration paper with a chitosan / titanium dioxide composite film, wherein the solution A contains water-soluble polythiophene, chloroauric acid tetrahydrate, sodium dihydrogen phosphate and sodium hydroxide, and the solution B contains polyvinyl alcohol and thiol protease. According to the present invention, the prepared urine detection test paper has advantages of strong hydrophilicity, convenient operation and high detection sensitivity, and can adsorb and permeate urine protein.
Owner:ARMY MEDICAL UNIV

Test method for positions of gearshift swing lever wavy surface ball grooves of automobile gear box

The invention discloses a test method for positions of gearshift swing lever wavy surface ball grooves of automobile gear box. The test method comprises the following steps: 1) sleeving a positioning shaft with a shaft bush of the gearshift swing lever; 2) releasing an operating handle, the right end of a positioning pin abutting against a first ball groove of the wavy surface; 3) manipulating a first measuring block to move leftward, if a ball head can be clamped in a clamping groove in the left end of the first measuring block, then the position of the first ball groove of the gearshift swing lever wavy surface meets the requirement; 4) enabling the positioning pin loosen the push of the gearshift swing lever, and making a second ball groove of the gearshift swing lever wavy surface face the positioning pin; 5) the right end of the positioning pin abutting against the second ball groove of the wavy surface; 6) manipulating a second measuring block to move leftward, if the ball head can be clamped in a clamping groove in the left end of the first measuring block, then determining that the position of the second ball groove of the gearshift swing lever wavy surface meets the requirement. The test method can be used for testing the positions of two ball grooves of gearshift swing lever wavy surface; the test procedure is simple, the test result is accurate and reliable, and the test efficiency is high.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Fluorescent probe compound for selenium protein detection and preparation method thereof

The invention relates to a fluorescent probe compound for selenium protein detection. The structure of the compound is as shown in formula I in the specification. Compared with the traditional detection technology, a non-invasive fluorescent probe has the advantages of simple, convenient and fast detection operation, high sensitivity, good selectively and short response time, can be used for performing in-situ and real-time monitoring on detection objects, and has a wide application range.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI

Method for testing opening and closing pressure of gum cap of safety valve of lead-acid accumulator and special testing device thereof

The invention discloses a method for testing opening and closing pressure of a gum cap of a safety valve of a lead-acid accumulator and a special testing device thereof. The method comprises the following steps: (1) testing in an environment at a temperature of between 20 and 30 DEG C, connecting the safety valve to a liquid filling port on a battery middle cap of the special testing device, dripping a proper amount of water in a groove surrounding the liquid filling port, covering a transparent cover plate on the battery middle cap, and inserting the pipe orifice on one end of a plastic pipeinto a liquid filling port under the battery middle cap; and (2) closing a pressure relief valve in the plastic pipe, opening a stop valve, pressurizing a boost valve, recording the reading on a pressure gauge when air bubbles emerge from the lower edge of the rubber cap as a open valve pressure, closing the stop valve, opening the pressure relief valve to relive pressure, and recording the reading on the pressure gauge when no air bubble emerges from the lower edge of the rubber cap and the pointer on the pressure gauge does not fall any more as a closed valve pressure. The method has the advantages that: the testing operation is convenient, visual and quick; and the tested data can be completely used for the quality control of the safety valve and production instruction.
Owner:ZHEJIANG TIANNENG BATTERY JIANGSU +3

Plate detection device

The present invention provides a plate detection device. The plate detection device is used for detecting the number of plates. The plate detection device comprises a servo motor, a movable mechanism, a servo driver, an arrangement area and a triggering unit; the servo driver is used for controlling the servo motor to work, so that the servo motor drives the movable mechanism to move towards a direction where plates are placed or a direction opposite to the direction where the plates are placed; the arrangement area is used for bearing the detected plates; the triggering unit is used for forming a triggering signal when the plates contact with the triggering unit and sending the triggering signal to the servo driver; the servo driver controls the servo motor to work according to the triggering signal so that the servo motor can drive the movable mechanism to contact with the plates; the servo driver forms feedback current according to the movement stroke of the movable mechanism driven by the servo motor and judging whether the feedback current is larger than a preset current value; if the feedback current is larger than the preset current value, the number of current detected plates is larger than 1; if the feedback current is not larger than the preset current value, one plate which is currently detected exists. With the plate detection device adopted, the defect of poor applicability caused by a condition that control programs in a controller should be modified according to plates with different thickness in the prior art can be eliminated.
Owner:SHANGHAI FANUC ROBOTICS

A device for detecting the symmetry of a gearshift swing lever ball head

The invention discloses a device for detecting the symmetry of a gearshift swing lever ball head. A positioning shaft is arranged on a bottom plate. A first support base is arranged on the back side of the positioning shaft; the first support base is composed of a vertical section and a transverse section; a lining is fixedly inserted in the vertical section of the first support base; a positioning pin passes through the lining; the positioning pin is a three-section cylindrical structure with the front part relatively small and the back part relatively big; a second support base is arranged on the right side of the positioning shaft; a through-groove is formed in the upper part of the second support base; the grooved opening of the through-groove is sealed by a cover lid which is fixed to the second support base via a bolt; a measuring shaft passes through the through-groove, and the measuring shaft is square column-shaped and moves in left-right direction; the left end of the measuring shaft is provided with a front measuring block and a back measuring block which are parallel and symmetrically arranged; a test opening is formed between the two measuring blocks. The device for detecting the symmetry of the gearshift swing lever ball head has the advantages of smart design, simple and compact structure, fewer parts, convenient assembling, convenient, quick and labor-saving detection operation, accurate and reliable detection results and high detection efficiency.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Automobile gearbox shift pendulum rod wavelike surface and ball head position detection mechanism

The invention discloses an automobile gearbox shift pendulum rod wavelike surface and ball head position detection mechanism. A top cover is arranged on a first support block, the vertical plate of the top cover is on the left of the first support block, the left end of a positioning pin passes through the vertical plate of the top cover and is hinged to an operating handle, and the positioning pin is sleeved with a spring. A second support block is fixed on the right-end plate surface of a bottom plate, a measuring block is arranged in the second support block in a penetrating way, the measuring block is provided with a 'U'-shaped clamp slot in the left end, and the opening of the clamp slot directly faces the positioning pin. A positioning shaft is arranged between the positioning pin and the measuring block, the positioning shaft is perpendicular to the bottom plate, the lower end of the positioning shaft is fixed to the bottom plate, and an annular boss integrally formed by the lower part of the positioning shaft is supported by the bottom plate. The mechanism of the invention has the advantages of clever design, simple and compact structure, easy implementation, fewer parts, convenient assembly, and low cost. The detection operation is easy, quick and labor-saving, detection involves few working procedures, the detection result is true, accurate and reliable, and the detection efficiency is high. The mechanism can ensure that shift pendulum rods meet the requirement of production consistency.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Method for detecting automobile shift swing rod bulb symmetry

The invention discloses a method for detecting automobile shift swing rod bulb symmetry. An employed measuring tool comprises a base plate, a locating shaft, a first supporting seat, a lining, a positioning latch, a second supporting seat, a gauging spindle, a handle, etc. The method comprises the steps: 1) aligning the axle hole on a shift swing rod axle sleeve with the locating shaft, the bulb of a shift swing rod orientating to the right; 2) moving the shift swing rod downwards, and allowing the locating shaft to penetrate through the axle hole of the locating shaft, wherein the pin hole in the axle sleeve directly faces the positioning hole in the locating shaft; 3) allowing the front end of the positioning latch to penetrate through the pin hole in the axle sleeve, and the positioning hole in the locating shaft; and 4) moving the gauging spindle to the left, and determining that the symmetry of the shift swing rod bulb meets requirements if the bulb can be precisely clamped between the detection port formed between two measuring blocks. The measuring tool has the characteristics of simple and compact structure, convenient, fast and laborsaving detection operation, accurate and reliable detection result, and high detection efficiency, and can guarantee shift swing rods to meet production consistency requirements.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Measuring tool for symmetry of ball of shift swing rod

The invention discloses a measuring tool for symmetry of a ball of a shift swing rod. A positioning shaft is disposed on a base plate. The upper portion of the positioning shaft is equipped with a positioning hole in a radial direction. A first supporting stand is disposed behind the positioning shaft. A lining is fixedly embedded to the first supporting stand. A positioning pin passes through the lining. The front end of the positioning pin can pass through the positioning hole. A second supporting stand is disposed on the right side of the positioning shaft. The upper portion of the second supporting stand is equipped with a through groove, the notch of the groove is sealed by a cover plate, and the cover plate is fixed to the second supporting stand through bolts. A measuring shaft penetrates the through groove. The measuring shaft is a square column and can move leftwards and rightwards. The left end of the measuring shaft is equipped with two measuring blocks front and back. The two measuring blocks are parallel and symmetrical to each other, and a detection opening is formed between the two measuring blocks. The measuring tool is ingenious in design, simple and compact in structure, is convenient to assemble, and is equipped with fewer components. Moreover, the measuring tool is easy, fast and labor-saving to operate, provides an accurate and reliable detection result, and is high in detection efficiency.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Detection method for waveform surface and ball head position of shift swing rod of automobile gearbox

The invention discloses a detection method for a waveform surface and a ball head position of a shift swing rod of an automobile gearbox. The method comprises the steps: 1) rotating a control handle so that a positioning pin moves leftwards and a spring is compressed; 2) sleeving a positioning shaft with a spindle sleeve of a shift swing rod so that the spindle sleeve is supported by an annular boss of the positioning shaft, making a waveform surface of the shift swing rod face to the left, and making a ball head face to the right; 3) loosening the control handle and enabling the positioning pin to move rightwards under the resilience of the spring till the right end of the positioning pin is pressed against a middle groove in the waveform surface; and 4) enabling the positioning pin to stay in a pressed state without moving by means of the elastic force of the spring, operating a measuring block and making the block move leftwards, and verifying that the waveform surface and the ball head position of the shift swing rod accord with requirements if a clamping groove in the left end of the measuring block can just clamp the ball head. The detection method is easy, fast and labor-saving to operate, has fewer detection procedures, provides a true, accurate and reliable detection result, is high in detection efficiency, and ensures that the shift swing rod satisfies the requirement of production consistency.
Owner:CHONGQING YINGQUAN STANDARD PARTS

Automatic control screen test box with aviation plugs

The invention discloses an automatic control screen test box with an aviation plugs. The automatic control screen test box comprises a box body, a power circuit board and a control panel. The power supply circuit board and the control panel are arranged in the box body; the power supply circuit board is electrically connected with the control panel; the control panel is provided with a measurementaviation plug and a control aviation plug. A box cover is hinged to the upper end of the box body, a locking mechanism is arranged at the free end of the box cover, a left side plate and a right sideplate are fixedly connected to the inner side walls of the two sides of the box body respectively, a transparent protection plate is hinged to the upper end of the right side plate, and the free endof the transparent protection plate is movably connected with the left side plate through a clamping mechanism. The automatic control screen test box has the advantages that the danger caused by mistaken touch of the control panel can be effectively avoided by arranging the transparent protection plate, the operation time can be shortened by arranging the measurement aviation plug and the controlaviation plug, the working efficiency is greatly improved, a good heat dissipation effect is achieved by arranging the heat dissipation mechanism, and dust can be prevented from being blown to the power supply circuit board.
Owner:郑州德睿航联电子技术有限公司

Quality detection platform based on multi-model industrial connectors

The invention discloses a quality detection platform based on multi-model industrial connectors. A method comprises steps: firstly, a stepping motor can drive a rotating shaft to drive a connecting frame to link a first detection cover, a second detection cover, a third detection cover, a fourth detection cover, a fifth detection cover and a sixth detection cover to rotate synchronously, and corresponding detection items can be switched to a working position at the front end; so that it is convenient for subsequent worker rapid detection operation; a plurality of types of industrial connectors can be subjected to a destructive test, a high temperature resistance test, a waterproof test, a circuit test, an electromagnetic interference test and the like by means of mutual cooperation of a plurality of built-in detection mechanisms, and finally, the electrical property detection interfaces are ingeniously distributed, when the industrial electric connector is correspondingly detected, the wire interface of the industrial electric connector can be in butt joint with the electrical property detection interface in advance, when the industrial electric connector is tested, electrical work can be carried out at the same time, and finally, a worker can conveniently judge the working state of the industrial electric connector in a testing environment.
Owner:安徽三竹智能科技股份有限公司

Method of detecting ball groove of waveform surface of shift swing rod

The invention discloses a method of detecting ball grooves of a waveform surface of a shift swing rod. A measuring tool comprises a base plate, a positioning shaft, a first supporting block, a lining, a positioning pin, a second supporting block, measuring blocks, and a cover plate. The method comprises the following steps: 1) sleeving the positioning shaft with a spindle sleeve of a shift swing rod, and make the first ball groove of a waveform surface of the shift swing rod face the positioning pin; 2) enabling the right end of the positioning pin to press against the first ball groove of the waveform surface; 3) controlling the first measuring block to move leftwards to check whether a clamping groove in the left end of the first measuring block can clamp a ball head; 4) controlling the positioning pin to loosen the shift swing rod so that the second ball groove of the waveform surface of the shift swing rod faces the positioning pin; 5) enabling the right end of the positioning pin to press against the second ball groove of the waveform surface waveform surface; and 6) controlling the second measuring block to move leftwards to check whether a clamping groove in the left end of the second measuring block can clamp a ball head. The method can detect the positions of the two ball grooves of the waveform surface of the shift swing rod, is simple, fast and labor-saving to operate, and provides an accurate and reliable detection result.
Owner:CHONGQING YINGQUAN STANDARD PARTS

A method for determining the harvest time of oil-producing microalgae by using the chlorophyll fluorescence parameter fv/fm

The invention discloses a method for determining the oleaginous microalgae harvesting time by utilizing the chlorophyll fluorescence parameter Pv / Fm. The method comprises the following steps: (1) carrying out conventional culture and stress induction on oleaginous microalgae, namely carrying out conventional autotrophic culture on the oleaginous microalgae; culturing the oleaginous microalgae to mid-log phase, and inducing accumulation of neutral fat under a stress condition; (2) detecting the chlorophyll fluorescence parameter Fv / Fm, namely sampling in an oil-production inducing process, and detecting Fv / Fm; (3) detecting the content of neutral fat, namely extracting algae oil by chloroform / methanol, and detecting the content of the neutral fat by means of a thin layer chromatography method and image analysis software; (4) determining the harvesting time, namely harvesting microalgae after the neutral fat in cells starts to be remarkably accumulated for 1-2 days, determining the Fv / Fm range after the neutral fat starts to be remarkably accumulated for 1-2 days to be the Fv / Fm harvesting range if the detected Fv / Fm and the neutral fat content are remarkably related, and determining the harvesting time when the algae solution Fv / Fm reaches the harvesting range in induction of neutral fat production under the same stress induction. The method is simple and quick in the chlorophyll fluorescence parameter Pv / Fm detection operation, has few interference factors, and is accurate and stable.
Owner:INST OF AQUATIC LIFE ACAD SINICA

Fluorescent probe compound for detecting polysulfide and preparation method thereof

The invention relates to a fluorescent probe compound for detecting polysulfide and a preparation method of the fluorescent probe compound. The structure of the compound is as shown in a formula I. Compared with a traditional detection technique, a non-invasive fluorescent probe is easy, convenient and rapid to operate in detection, high in sensitivity, good in selectivity and short in response time, can conduct in situ and real-time monitoring on a to-be-detected target, and has wide application range. (The formula I is shown in the description).
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI

Device and method for detecting bursting pressure of fire hose

The invention discloses a device for detecting the bursting pressure of a fire hose. The device comprises a booster water pump, a fire hose sleeve and a fixing device, wherein the booster water pump is provided with a memory water pressure gauge; the fire hose sleeve is connected with the water outlet of the booster water pump, is sleeved with the fire hose and is provided with a water injection channel communicated with the water outlet and a middle water flow hole conducted from the water injection channel to the outside; and the fixing device is used for fixing the fire hose on the fire hose sleeve. The device for detecting the bursting pressure of the fire hose has high working efficiency, high safety and high detection accuracy, and can be widely applied to quality testing of variousfire hose products; and in particular, a detection device is convenient to take to a fire hose production and installation site for detecting the quality or pressure bearing capacity of the fire hose, and the detection process is operated easily, conveniently and quickly and can be completed by one person within certain minutes, so that saving cost and time is facilitated, the working efficiency is increased, and the rejection rate of the fire hose is lowered. The method further discloses a method for using the detection device.
Owner:李玉强
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