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43results about How to "Realize joint use" patented technology

Multicenter electric spraying ion source for micro liquid phase separation system and mass spectrum

The invention relates to a multi-channel electrospray ion source used in the combination of a micro liquid phase separation system and mass spectrum, wherein 2 to 100 single-channel electrospray nozzle needles / nozzles are fixed on the inlet of the vacuum area of a mass spectrometer, and are distributed in a sector, thereby ensuring that the central axial lines of the tail ends of the single-channel electrospray nozzle needles / nozzles are crossed at the position of 0cm to 1cm away from the front end of the inlet of the vacuum area and are at an angle of 0 degree to 90 degrees to the axial line of the vacuum inlet. When high voltage is respectively applied on each electrospray nozzle needle / nozzle, electrospray ionization of multi-flow path liquid phase can be realized, thereby realizing the combination of a liquid phase separation system and mass spectrum. The ion source has the characteristics of simple structure, easy debugging operation, convenient mode switching, excellent stability and low maintenance cost, etc., and can be directly fixed on a mass spectrometer along with better commonality and practicability. In addition, through installing electrospray nozzle needles / nozzles of different modes, the invention can realize the combination of micro liquid phase separation systems of a plurality of modes and mass spectrum.
Owner:徐州脉析医疗技术有限公司

Matched structure of cooling device of intermediate frequency furnace for heating steel bar and steel ball quenching device

The invention relates to a matched structure of a cooling device of an intermediate frequency furnace for heating a steel bar and a steel ball quenching device and belongs to the technical field of quenching facilities of metal pieces. The cooling device of the intermediate frequency furnace for heating the steel bar comprises a liquid quenching medium conveying pipe, wherein a blowdown connector is matched and connected on the lower part at the left end of the liquid quenching medium conveying pipe, a liquid quenching medium introducing connector is matched and connected to the upper part at the right end of the liquid quenching medium conveying pipe, and a liquid quenching medium output pipe connector is arranged on the middle part; the liquid quenching medium output pipe connector is provided with a control valve, a left seal cover is arranged at the left end, a right seal cover is arranged at the right end, a cavity of the liquid quenching medium conveying pipe is provided with a heat exchange pipe, a left seal cover connector is arranged on one side, back on to the left seal cover cavity, of the left seal cover and a right cover connector is arranged on one side, back on to the right seal cover cavity, of the right seal cover; a cooling liquid circulating mechanism is connected between the left and right seal cover connectors, and the control valve is connected with one end of the liquid quenching medium output pipeline; and the steel ball quenching device comprises a quenching tank. The intermediate frequency furnace does not need to be cooled by using a cooling tower, so that the intermediate frequency furnace is durably clean, the cost is lowered, the electric consumption and liquid are saved, and the work stability is ensured.
Owner:CHANGSHU FEIFAN METALWORK

Cell preservation solution as well as preparation method and application thereof

The invention belongs to the technical field of biology, and discloses a cell preservation solution as well as a preparation method and application thereof. The cell preservation solution comprises alcohol, acid, buffer salt, an ionic strength maintaining agent, an antioxidant and proteolytic enzyme. According to the cell preservation solution, samples of multiple mucus and blood cells can be well treated, and the staining effect of thin-layer liquid-based cytology detection is improved; however, the proteolytic enzyme can influence the staining effect of reductive blue tissue cells, the influence of the proteolytic enzyme on the staining of the reductive blue tissue cells is reduced by adding the antioxidant, and meanwhile, the accuracy and the stability of immune cell chemical staining and reductive blue tissue cell staining are improved; and moreover, the cell preservation solution has no influence on the accuracy and stability of HPV detection after preserving a cell sample. The cell preservation solution can meet requirements of four screening methods including thin-layer liquid-based cytology detection, HPV detection, immunocytochemical staining and vat blue tissue cell staining at the same time.
Owner:广州朗坤生物科技有限公司

Pulsed laser deposition and molecular beam epitaxy combined coating device and application thereof

The invention discloses a pulsed laser deposition and molecular beam epitaxy combined coating device and application thereof. A target material tray capable of conducting revolution and rotation is added to the middle area of an MBE evaporation source, and a target material required by PLD coating is placed; a high-performance solid laser device is added, and meanwhile a quartz window is added to an appropriate position of a cavity of an MBE growth chamber and high-energy lasers with the wave length of 150 nm to 355 nm are introduced for evaporation of the target material. The coating device is a PLD and MBE combined body and has the functions and advantages of a PLD and an MBE at the same time; the coating device can be used as the PLD or the MBE individually and can also be used as the combination of the PLD and the MBE; the coating device can be used for epitaxial growth of a thin film and manufacturing of thin film devices, especially for solar cells, LEDs and LDs of a quantum well structure. Compared with the prior art, the coating device has the advantages of being simple in growth process, low in manufacturing cost and wide in application range.
Owner:广州市艾佛光通科技有限公司

Device and mass spectrometry for direct electrospray ionization of sample on microfluidic chip

The invention belongs to the technical field of microfluidic chips, and particularly relates to a device and a mass spectrometry for direct electrospray ionization of a sample on a microfluidic chip. The device at least comprises a three-dimensional operating platform for placing the microfluidic chip, an electrode for providing spray voltage, a pulsed high-voltage power supply, and a mass spectrum arranged beside an ionization device, wherein the electrode for providing the spray voltage is not directly contacted with liquid in the microfluidic chip. A spray needle is not required to be fabricated or connected on the microfluidic chip, or the original design of a chip microchannel is not required to be changed, and a solution sample in the chip microchannel can be directly ionized by utilizing charge and discharge processes of pulsed voltage, and then the mass spectrometry can be conducted. In addition, a high-voltage in the device is not directly contacted with a solution, and the original function of the microfluidic chip is not affected due to chemical reaction on the electrode. The device is simple and convenient to operate, and is suitable for direct ionization and the mass spectrometry of the sample on the microfluidic chip.
Owner:FUDAN UNIV

Quasi-in-situ normal-pressure reaction combination system and imaging method thereof

The invention discloses a quasi-in-situ normal-pressure reaction combination system, which comprises a tubular furnace, an imaging device and a vacuum pipeline, wherein the tubular furnace, the vacuumpipeline and the imaging device are sequentially communicated to form a closed sample transfer space, the tubular furnace comprises a quartz tube, a first vacuumizing device and a heating unit, the first vacuumizing device and the heating unit are respectively used for adjusting the pressure and the temperature in the quartz tube, and the vacuumizing range of the first vacuumizing device at leastcomprises the normal pressure and the high vacuum degree with the same magnitude as the vacuum pipeline; and the vacuum pipeline is used for transmitting the sample subjected to normal pressure treatment in the quartz tube to the imaging device at a higher vacuum degree for surface imaging. The sample can be transmitted to the imaging device from the tubular furnace through the ultrahigh vacuum pipeline to be subjected to surface imaging, analysis of an electronic structure and / or a geometric structure and the like on the surface of the sample is completed, different sample treatment environments can be met, the environment requirement for imaging resolution can be guaranteed, and the combination of sample treatment and structural imaging characterization is realized.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Method and system for supplying power by composite power supply

The invention discloses a method and system for supplying power by a composite power supply. In the process of supplying power to a load by a storage battery, a circuit processor monitors the output current of the storage battery; when the output current of the storage battery is detected to increase to a first current threshold, the circuit processor feeds back a trigger signal to a control unit,the trigger signal is used to instruct to start a supercapacitor to supply power to the load; the control unit activates the supercapacitor to supply power to the load in response to the trigger signal, to adjust the output current of the storage battery to decrease to a second current threshold. In this way, when the electric vehicle is in a high current operation state such as repeated start and frequent acceleration, the combination of energy storage devices including the storage battery and the supercapacitor can be realized, the energy storage devices are ensured to run under better working conditions, and the problem of serious battery life decay caused by the change of working environment, and the endurance mileage of the vehicle is affected is effectively alleviated.
Owner:NINGBO GRAPHENE INNOVATION CENT CO LTD

Electrochemical Optics Spectroscopic Cell for In Situ Research

The invention discloses an electrochemical-optical combined in-situ study spectral cell. The electrochemical-optical combined in-situ study spectral cell comprises a cell body (5), a semi-cylindrical crystal light transmission window plate (1), a sample platform (8) and a reference electrode (9), wherein a layer of active substance film with the thickness at nanometer level is coated on the bottom plane of the semi-cylindrical crystal light transmission window plate (1) to be used as the a working electrode (12); a conducting line is led from the working electrode (12); the sample platform (8) is placed at the bottom part of the cell body (5) opposite to the working electrode (12); the reference electrode (9) is fixed relative to the working electrode (12) on the sample platform (8) by a conductive adhesive; and another conducting line is led from the reference electrode (9). By adopting the electrochemical-optical combined in-situ study spectral cell, spectral signals can be prevented from being absorbed by the solution; the real electrochemical reaction can be simulated; the electrochemical-optical combined in-situ spectral cell can be used in coupling with a spectrometer; the incident ray can be continuously adjusted from a smaller angle (15 degrees); and liquid in the cell body can flow so as to be exchanged.
Owner:CENT SOUTH UNIV

Mutant TBA-H2 of acid and high temperature resistant beta-amylase and application thereof

The invention provides a mutant TBA-H2 of acid and high temperature resistant beta-amylase and an application thereof. The amino acid sequence of the mutant is shown in SEQ ID NO:1 in a sequence table. Relative to enzymes before mutation, the mutant has an optimum pH value of acid and a higher function of generating maltose. The mutant TBA-H2 of high temperature resistant beta-amylase can be used for degrading starchy materials and is especially suitable for degrading starch under acidic conditions to generate maltose.
Owner:南宁邦尔克生物技术有限责任公司

Fire fighting water cannon

PendingCN109893806ARealize joint useSpray distance can be adjustedFire rescueCombined usePore water pressure
The application discloses a fire fighting water cannon. The fire fighting water cannon comprises a main pipeline, a spraying head, a first branch pipeline and a second branch pipeline; the main pipeline is provided with a first end and a second end; the spraying head is arranged at the first end; water mist spraying structures which are used for spraying out water mist and water column spraying structures which are used for spraying out water columns are arranged on the spraying head; the water mist and the water column can be sprayed out simultaneously; the first branch pipeline is connectedto the second end and can communicate with the main pipeline; the second branch pipeline is connected to the second end and can communicate with the main pipeline; and the second branch pipeline and the first branch pipeline are arranged in parallel. According to the fire fighting water cannon of the structure, the fire fighting effect is improved through combined use of column-mist, and the spraying distance of the water columns and / or water mist can be adjusted by changing water pressure, so that a fire fighting effect can be further improved; and therefore, the requirements on the emergencytreatment, such as safety, high-efficiency fire fighting / decontamination, in different places can be met better.
Owner:UNIV OF SCI & TECH OF CHINA

Plasma thruster plume parameter multi-point measurement device and measurement method

The invention relates to a plasma thruster plume parameter multi-point measurement device and method, and the device comprises a vacuum chamber; the vacuum pump unit is connected with the vacuum cabin; the industrial control unit is connected with the vacuum pump unit and is used for providing and maintaining a vacuum environment of the vacuum cabin; and a measuring unit; the measuring unit comprises at least two three-dimensional moving platforms arranged in the vacuum cabin; the detection structure is arranged on the three-dimensional mobile platform; the acquisition unit is connected with the detection structure and is used for acquiring data; and the detection structure adopts a Langmuir probe, an RPA probe or a Faraday probe. According to the multi-point measurement device, the plasma measurement efficiency can be improved, plume multi-point symmetry can be continuously measured, the limitation of Langmuir probe use is broken through, error interference in a probe circuit is shielded, and meanwhile the multi-point measurement device is simple in structure, stable, reliable and high in practicability.
Owner:BEIJING DONGFANG MEASUREMENT & TEST INST

Medicine composition containing magnesium isoglycyrrhizinate and preparation method

The invention belongs to the field of medicine and particularly relates to an intelligent and novel medicine composition having anti-hepatitis B virus activity and a preparation method thereof.The medicine composition contains an enteric magnesium isoglycyrrhizinate sheet core and further contains other types of anti-hepatitis B virus medicine.To be specific, further improvement is made on the basis of the prior art, a dissolution layer is further added outside an enteric magnesium isoglycyrrhizinate coating layer, and unexpectedly, the magnesium isoglycyrrhizinate medicine composition high in dissolution rate and good in bioavailablity is obtained.Furthermore, the dissolution layer is sequentially wrapped by a medicine containing layer and a protection layer, so that a compound preparation is formed, the compound preparation is convenient to take, and patient compliance is greatly improved.
Owner:CHIA TAI TIANQING PHARMA GRP CO LTD

Method for screening biologically active components in complex component with high throughput through planar chromatographic component microarray, and applications thereof

ActiveCN110161171APreserve separation propertiesEliminate distractionsComponent separationBiomassChemistry
The invention belongs to the field of active components, and relates to a method for screening biologically active components in a complex component with high throughput through a planar chromatographic component microarray. The method prepares a planar chromatography which integrally reflects the diversity and difference characteristics of a complex component into a planar chromatographic component microarray sample, and the sample can be taken to carry out a biological activity test and focused on a significant biological activity detection unit to carry out mass spectrometry; and the dependency relation between the biological activity intensity at an area having the significant biological activity detection unit and the biomass spectrometry excimer ion peak intensity of corresponding array units and chromatographic behavior coupling degrees of the two are taken as indications, so that biological activity components can be analyzed from the complex component with complex components and intervallic content. The method does not need to perform separation and purification on chemical components one by one in advance and complete analysis and detection, does not depend on a moleculardiversity compound library and is good in compatibility, high in flux and digitized, and samples can be amplified in parallel, so that screening efficiency can be greatly enhanced, and workloads andcosts can be reduced.
Owner:GUANGDONG MEDICAL UNIV

Multi-device combined three-dimensional atom probe sample universal interface device

The invention discloses a multi-device combined three-dimensional atom probe sample universal interface device, which comprises a needle tip sample supporting table, a common sample table matching table and a sample switching part, the needle tip sample supporting table is arranged on the common sample table matching table, and the sample switching part is used for fixing the common sample table matching table. The device is used in combination with microscopic structure analysis instruments such as a scanning electron microscope, an EBSD-TKD, a transmission electron microscope, a focused ion beam, a three-dimensional atom probe and the like. According to the invention, transmission electron microscope analysis, scanning electron microscope analysis, focused ion beam analysis, EBSD or TKD analysis of a three-dimensional atom probe tip sample are realized by using a plurality of microscopic structures to analyze an original common sample table. The device is simple in structure, convenient to process and maintain and extremely low in cost, double inclination of the sample can be realized in the transmission electron microscope, the tip sample of the three-dimensional atom probe can be directly observed in different microscopic structure analysis instruments, and advantage complementation of various instruments and equipment is realized.
Owner:SHANGHAI UNIV

System and method for implementing gem identification based on Raman spectrum and OCT

InactiveCN108918504AReduce operation unchangedReduce resource overlapPhase-affecting property measurementsRaman scatteringOptical pathOptical path length
The invention discloses a system and a method for implementing gem identification based on Raman spectrum and optical coherence tomography (OCT). The system comprises a gem sample, a glass slide, a cassette, a mobile platform, a Raman spectrometer, an OCT, a data extraction and processing module and a display, wherein the cassette comprises two light holes. The method comprises the steps of firstly using OCT to acquire a no-load image via the light holes during no-load of the glass slide, and then separately using OCT and the Raman spectrometer to detect the sample on the glass slide, to acquire a sample spectrogram and an OCT image; using computer software to analyze the image to acquire boundary and distance information of the sample, completing the computation of a refractive index viaan optical path matching principle, and analyzing a Raman spectra to acquire a chemical property of the sample; and finally displaying a measurement result via the display. The system and method are simple in design, simple and convenient to operate, and achieve quick switching on measurement of the same sample; measurement and comprehensive analysis of multiple indexes such as physical property (optical refractive index) and chemical components of the irregular gem material are implemented; and meanwhile, the method achieves automation, digitization and intelligent measurement of optical refractive indexes of different faults of the gem.
Owner:GUANGZHOU MEDICAL UNIV

A Coating Equipment Combined with Pulse Laser Deposition and Molecular Beam Epitaxy and Its Application

The invention discloses a pulsed laser deposition and molecular beam epitaxy combined coating device and application thereof. A target material tray capable of conducting revolution and rotation is added to the middle area of an MBE evaporation source, and a target material required by PLD coating is placed; a high-performance solid laser device is added, and meanwhile a quartz window is added to an appropriate position of a cavity of an MBE growth chamber and high-energy lasers with the wave length of 150 nm to 355 nm are introduced for evaporation of the target material. The coating device is a PLD and MBE combined body and has the functions and advantages of a PLD and an MBE at the same time; the coating device can be used as the PLD or the MBE individually and can also be used as the combination of the PLD and the MBE; the coating device can be used for epitaxial growth of a thin film and manufacturing of thin film devices, especially for solar cells, LEDs and LDs of a quantum well structure. Compared with the prior art, the coating device has the advantages of being simple in growth process, low in manufacturing cost and wide in application range.
Owner:广州市艾佛光通科技有限公司

Cooperating structure of the cooling device of the intermediate frequency furnace for steel bar heating and the steel ball quenching device

The invention relates to a matched structure of a cooling device of an intermediate frequency furnace for heating a steel bar and a steel ball quenching device and belongs to the technical field of quenching facilities of metal pieces. The cooling device of the intermediate frequency furnace for heating the steel bar comprises a liquid quenching medium conveying pipe, wherein a blowdown connector is matched and connected on the lower part at the left end of the liquid quenching medium conveying pipe, a liquid quenching medium introducing connector is matched and connected to the upper part at the right end of the liquid quenching medium conveying pipe, and a liquid quenching medium output pipe connector is arranged on the middle part; the liquid quenching medium output pipe connector is provided with a control valve, a left seal cover is arranged at the left end, a right seal cover is arranged at the right end, a cavity of the liquid quenching medium conveying pipe is provided with a heat exchange pipe, a left seal cover connector is arranged on one side, back on to the left seal cover cavity, of the left seal cover and a right cover connector is arranged on one side, back on to the right seal cover cavity, of the right seal cover; a cooling liquid circulating mechanism is connected between the left and right seal cover connectors, and the control valve is connected with one end of the liquid quenching medium output pipeline; and the steel ball quenching device comprises a quenching tank. The intermediate frequency furnace does not need to be cooled by using a cooling tower, so that the intermediate frequency furnace is durably clean, the cost is lowered, the electric consumption and liquid are saved, and the work stability is ensured.
Owner:CHANGSHU FEIFAN METALWORK

Preparation of three-dimensional metal-enhanced fluorescence/colorimetric dual-mode paper chip and ATP detection

The invention discloses preparation of a three-dimensional metal-enhanced fluorescent / colorimetric dual-mode paper chip and a method for measuring ATP by using a fluorescent / colorimetric dual-mode sensor. A hydrophobic area, a hydrophilic area and a hollow channel are prepared on the paper chip by using a wax printing technology, and the hollow channel is cut through a laser cutting machine. Gold and silver nanostars are grown in a working area 1, then a fluorescent signal material is fixed, and later a fluorescent quenching agent is dropwise added, so that ATP highly-sensitive fluorescent measurement is realized through the fluorescent signal 'off-on'. The prepared paper chip can be folded, and hydrogen peroxide is dropwise added in the reaction area, so as to realize ATP visual colorimetric measurement.
Owner:UNIV OF JINAN

Colistin sulfate and berberine hydrochloride composition and preparation method of pellets of colistin sulfate and berberine hydrochloride composition

The invention relates to a colistin sulfate and berberine hydrochloride composition and a preparation method of pellets of the colistin sulfate and berberine hydrochloride composition and aims to solve the problems that the effect of treating escherichia coli and salmonella infection by using the colistin sulfate is poor due to poor intestinal absorption in the prior art, and the use dosage is required to be increased for reaching an ideal treatment effect. The preparation method comprises the following steps: firstly, mixing the colistin sulfate, the berberine hydrochloride, a filling agent, a lubricating agent and a disintegrating agent; secondly, crushing to obtain mixture powder; adding a binding agent to obtain pellets; coating to obtain the pellets of the colistin sulfate and berberine hydrochloride composition. The pellets of the colistin sulfate and berberine hydrochloride composition, obtained by the preparation method disclosed by the invention, are prepared by adopting conventional equipment such as a granulating device and a coating device in the pharmaceutical industry; the preparation method can realize continuous production and is suitable for industrial production; high yield is realized.
Owner:LESHAN RUIHEXIANG ANIMAL HEALTH PHARMA CO LTD

Multicenter electric spraying ion source for micro liquid phase separation system and mass spectrum

The invention relates to a multi-channel electrospray ion source used in the combination of a micro liquid phase separation system and mass spectrum, wherein 2 to 100 single-channel electrospray nozzle needles / nozzles are fixed on the inlet of the vacuum area of a mass spectrometer, and are distributed in a sector, thereby ensuring that the central axial lines of the tail ends of the single-channel electrospray nozzle needles / nozzles are crossed at the position of 0cm to 1cm away from the front end of the inlet of the vacuum area and are at an angle of 0 degree to 90 degrees to the axial lineof the vacuum inlet. When high voltage is respectively applied on each electrospray nozzle needle / nozzle, electrospray ionization of multi-flow path liquid phase can be realized, thereby realizing the combination of a liquid phase separation system and mass spectrum. The ion source has the characteristics of simple structure, easy debugging operation, convenient mode switching, excellent stability and low maintenance cost, etc., and can be directly fixed on a mass spectrometer along with better commonality and practicability. In addition, through installing electrospray nozzle needles / nozzlesof different modes, the invention can realize the combination of micro liquid phase separation systems of a plurality of modes and mass spectrum.
Owner:徐州脉析医疗技术有限公司

Blast furnace ironmaking device with high-leakproofness hearth

The invention discloses a blast furnace ironmaking device with a high-leakproofness hearth. The blast furnace ironmaking device comprises a furnace foundation, a bottom plate, a furnace shell, a sealing plate, a first cooling device, a sealing device and a heat conducting isolation barrel, wherein a refractory brick layer and a concrete layer are sequentially horizontally arranged in a space formed by the sealing plate and the bottom plate from up to down; the first cooling device is arranged between the sealing plate and the upper surface of the refractory brick layer; the first cooling device comprises a first cooling pipe, a second cooling pipe and a plurality of heat conducting connecting plates which are in the shape of a mosquito-incense holder; the sealing device is arranged on theouter side wall of the bottom of the furnace shell; the sealing device comprises an integrally formed sealing barrel and a sealing round plate which is horizontally and fixedly connected to the upperend of the sealing barrel; two groups of drainage plates are vertically and fixedly connected between the heat conducting isolation barrel and the furnace shell; and two groups of heat conducting plates are vertically and fixedly connected between the heat conducting isolation barrel and the sealing barrel. According to the blast furnace ironmaking device, temperature of the hearth can be decreased, the hearth can be subjected to liquid seal, and leakproofness of the hearth is greatly improved.
Owner:BATOU LIGHT IND VOCATIONAL TECHN COLLEGE

Lower limb massage device

A lower limb massage device comprises a foot massager and a leg massager. An opening for user feet to extend in is formed in the top of the foot massager and comprises a front side wall and a rear side wall. The leg massager comprises a connecting base and a massage part. Two opening grooves side by side are formed in the massage part. The massage part is fixed to the connecting base. The connecting base is rotationally fixed to the leg massager so that the leg massager can rotate relative to the foot massager. The connecting base protrudes outwards to form a cramp. The massage part is provided with a connecting groove. A cramp groove is formed in the position, corresponding to the cramp, of the connecting groove. The massage part is detachably fixed to the connecting base through the connecting groove. The lower limb massage device has the advantages that the leg massager can rotate relative to the foot massager so that the massage part can switch from a calf massage function to a shank front part massage function, the massage part can be detached and separated, can independently provide massage and can be used for massaging thighs and knees or used by other people.
Owner:XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO LTD +1

Liquid chromatography-mass spectrometry detection method capable of directly analyzing salt-containing sample based on electric arc thermal coupling

PendingCN113720932ASolve clogged capillariesTroubleshooting Sampling Cone ProblemsComponent separationFluid phaseGas phase
The invention discloses a liquid chromatography-mass spectrometry detection method capable of directly analyzing a salt-containing sample based on electric arc thermal coupling, which comprises the following steps that 1) sample atomization is conducted, the spraying direction of a liquid phase spraying generation module is adjusted, the direction pointed by a nozzle is the tip of a metal heat source with a tip, after being separated by liquid chromatography, the sample enters a liquid path pipeline of the liquid phase spray generation module and flows out from a liquid path spray head, atomized gas is sprayed out from a gas path spray head 112 through a gas path pipeline, and the sample in the liquid path spray head is atomized into small liquid drops under the action of the atomized gas; and 2) ionization is conducted, the atomized droplets are sprayed on a metal heat source which is coupled with the electric arc and is provided with a tip, the metal heat source with the tip ionizes the droplets to generate gas phase ions, and then the gas phase ions enter mass spectrometry to realize efficient ionization analysis of the charged ions. The liquid chromatography combination is achieved, and the efficient separation characteristic of the liquid chromatography and the high salt tolerance characteristic of the AEAI are fused;.
Owner:ZHEJIANG UNIV

Blast Furnace Ironmaking Plant with Highly Sealed Bottom

The invention discloses a blast furnace ironmaking device with a high-leakproofness hearth. The blast furnace ironmaking device comprises a furnace foundation, a bottom plate, a furnace shell, a sealing plate, a first cooling device, a sealing device and a heat conducting isolation barrel, wherein a refractory brick layer and a concrete layer are sequentially horizontally arranged in a space formed by the sealing plate and the bottom plate from up to down; the first cooling device is arranged between the sealing plate and the upper surface of the refractory brick layer; the first cooling device comprises a first cooling pipe, a second cooling pipe and a plurality of heat conducting connecting plates which are in the shape of a mosquito-incense holder; the sealing device is arranged on theouter side wall of the bottom of the furnace shell; the sealing device comprises an integrally formed sealing barrel and a sealing round plate which is horizontally and fixedly connected to the upperend of the sealing barrel; two groups of drainage plates are vertically and fixedly connected between the heat conducting isolation barrel and the furnace shell; and two groups of heat conducting plates are vertically and fixedly connected between the heat conducting isolation barrel and the sealing barrel. According to the blast furnace ironmaking device, temperature of the hearth can be decreased, the hearth can be subjected to liquid seal, and leakproofness of the hearth is greatly improved.
Owner:BATOU LIGHT IND VOCATIONAL TECHN COLLEGE

Air conditioner outdoor unit and air conditioner

The invention relates to the field of air conditioners, in particular to an air conditioner outdoor unit and an air conditioner. The invention aims to solve the problem of disturbance of the gas supply pipeline caused by the high flow velocity of the refrigerant in the gas supply pipeline and the problem of shortened service life caused by the liquid return of the compressor. For this purpose, the outdoor unit of the present invention includes a pressure container arranged on the gas supply pipeline, the pressure vessel includes a container body, the container body forms at least one cavity with a diameter larger than that of the gas supply pipeline to reduce the flow rate of the refrigerant, and the pressure vessel has a gas The liquid separation function makes the refrigerant flowing out of the refrigerant outlet a gaseous refrigerant. The invention reduces the flow velocity of the refrigerant in the gas supply pipeline through the pressure vessel and allows the refrigerant to enter the compressor in gaseous form through the gas supply enthalpy increasing interface, which can reduce the vibration of the gas supply pipeline and avoid liquid return of the compressor to increase the life of the compressor.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

Sample processing device and biological activity screening system including the same

ActiveCN110161170APreserve separation propertiesEliminate distractionsComponent separationPlanar chromatographyDrug biological activity
The invention belongs to the field of biological activity screening, and relates to a sample processing device, a device for preparing a planar chromatography microarray and a biological activity screening system. The system includes a planar chromatography, a grid plate, a microplate, a biological activity detection unit and a mass spectrometry unit; the system is used for preparing the planar chromatography into a planar chromatographic component microarray sample, and the sample can be taken to carry out a biological activity test and focused on the significant biological activity detectionunit to carry out mass spectrometry; and the dependency relation between biological activity intensity and the biomass spectrometry excimer ion peak intensity of corresponding array units and chromatographic behavior coupling degrees of the two are taken as indications, so that biological activity components can be analyzed from complex components with complex components and intervallic content.The system does not need to perform separation and purification on chemical components one by one in advance and complete analysis and detection, does not depend on a molecular diversity compound library and is good in compatibility, high in flux and digitized, and samples can be amplified in parallel, so that screening efficiency can be greatly enhanced, and workloads and costs can be reduced.
Owner:GUANGDONG MEDICAL UNIV

A method for simultaneously measuring the membrane permeability of each component gas in a mixed gas

The invention discloses a measuring method and a device for simultaneously measuring the membrane permeability of each gas in mixed gas. According to the measuring method and device, the combination of a gas chromatograph and a gas permeation tank for measuring the membrane permeability is realized, and the permeabilities of multiple components of a thin film and a flake material when the mixed gas permeates through the thin film and the flake material can be simultaneously and rapidly measured accurately one time; furthermore, in a connecting method disclosed by the invention, an air blowing system does not need to be arranged, the measuring method can be used for measuring the thin film with the diameter of 8mm or even smaller without that the gas passes through a quantitative feeding device, and a gas chromatography flame ionization detector has the enough sensitivity for measuring penetration gas after permeating for 5 minutes. By utilizing the measuring method and device, the interaction effect of each component to the permeation rate can be researched when the mixed gas permeates, and the diffusion coefficients of the solubility coefficients of the thin film and the flake material can be conveniently measured.
Owner:INSTITUTE OF ANALYSIS GUANGDONG ACADEMY OF SCIENCES (CHINA NATIONAL ANALYTICAL CENTER GUANGZHOU)
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