77results about How to "Reduce transfer steps" patented technology

Methods, systems and devices that provide fluid devices with at least one SPE bed adjacent (upstream of) a separation channel which may be in communication with an inlet of a Mass Spectrometer. The fluid device can be configured to operate using independently applied pressures to a BGE reservoir and a sample reservoir for pressure-driven injection that can inject a discrete sample plug into a separation channel that does not require voltage applied to the sample reservoir and can allow for in-channel focusing methods to be used. The methods, systems and devices are particularly suitable for use with a mass spectrometer but optical or other electronic detectors may also be used with the fluidic devices.

The invention belongs to the technical field of marine product detection, and particularly relates to a method for determining the trace amount of organic tin in marine products. The method comprises the steps that a to-be-determined sample is ground into powder after being preprocessed, the powder is soaked, extracted, frozen, purified, derived, processed through a cleanert florisil column and concentrated to obtain a to-be-determined sample solution; series of different-concentration organic tin mixed standard solutions are added in equivalent blank matrixes same as a sample matrix, soaked for a certain time and then processed through the mode same as the sample; a gas chromatography-tandem mass spectrum detection system is adopted to determine the standard mixed solutions, and a working curve is drawn; the to-be-determined sample solution is determined, the peak area ratio is obtained from a chromatogram chart of the to-be-determined sample solution, regression is performed on the working curve to obtain regression values, and then the concentration of all target objects in the to-be-determined sample can be calculated. The detection method can determine the concentration of butyltin and triphyltin simultaneously, is sensitive, accurate, rapid, simple and convenient and can be applied to detection of the organic tin in the marine products.

A special integrated production device for furniture parts comprises a machine frame and a feeding rack arranged on the machine frame. One end of the feeding rack is a feeding end, the other end of the feeding rack is a discharging end, and a first automatic dust removal device, a embellishing device, a drying device, a paint spraying device and an airing bin are arranged on the feeding rack sequentially from the feeding end to the discharging end at intervals. The embellishing device and the paint spraying device each comprises a paint spraying chamber with a paint spraying platform and two groups of spraying guns arranged in the paint spraying chamber, wherein each group comprises two spraying guns, a conveying belt is laid horizontally on the paint spraying platform, a transverse sliding rail is arranged above a feeding end and a discharging end of the conveying belt, and a movable seat is installed on the transverse sliding rail. The two spraying guns in each group are installed on the same movable seat and are arranged in the mode of inclining downwards towards the two outer sides of the corresponding paint spraying platform. The transverse sliding rails and the movable seats are arranged, uniform paint spraying on the furniture parts is realized through transverse and reciprocating swinging of the spraying guns. The special integrated production device is suitable for embellishing and paint spraying of various furniture parts, and improves the production and quality.

The invention provides a plasma cleaning machine. The plasma cleaning machine comprises a material pushing mechanism, a transferring mechanism, a cleaning mechanism, a temporary storage mechanism and a material receiving mechanism, wherein the material pushing mechanism is used for pushing out material strips in a discharging box; the transferring mechanism comprises a transferring assembly and a pushing assembly arranged on the transferring assembly, the transferring assembly is movably arranged on the rack so that the transferring assembly can do rotary motion among the pushing mechanism, the cleaning mechanism and the temporary storage mechanism, and the transferring assembly is used for transferring the pushed-out material strips to the cleaning mechanism and transferring the cleaned material strips to the temporary storage mechanism; the cleaning mechanism is used for cleaning the material strips transferred to the cleaning mechanism; the pushing assembly is used for pushing the material strips transferred to the temporary storage mechanism to the material receiving mechanism; and the material receiving mechanism is used for receiving the material strips pushed to the material receiving mechanism. According to the plasma cleaning machine provided by the invention, the problem that the material strip cleaning efficiency is low due to the fact that an existing plasma cleaning machine is unreasonable in structural arrangement can be solved.

The invention relates to a graphene transparent electrode and a work function regulation and control method thereof, and belongs to the technical field of materials. The method comprises the followingsteps: pre-treating a transparent substrate; plating an ultrathin copper layer on the transparent substrate; growing a graphene layer on the surface of the ultrathin copper layer through a CVD method; forming a metal film layer on the graphene layer by using an ion sputtering method; and finally depositing an anti-reflection layer. According to the invention, the graphene is directly grown by using the ultrathin copper foil, so that the transfer step of the graphene is omitted; on the basis, the work function of the metal thin film layer is selectively regulated and controlled to be smaller than or larger than that of the graphene, and the anti-reflection layer is matched, so that the two key problems of the work function and the surface resistance of the graphene transparent electrode are solved on the premise that the transmittance is ensured. The graphene transparent electrode is good in stability and can be widely applied to the field of electronic information such as electroluminescent devices, solar cells and photoelectric detectors.

The invention discloses a PET solid hard sheet processing device. The PET solid hard sheet processing device comprises an equipment platform, wherein extension supporting legs distributed in an arraymode are arranged at the lower end of the equipment platform, a cleaning and conveying device is arranged on the equipment platform, and a crushing device is arranged on one side of the equipment platform; a cleaning and disinfection device is arranged on the cleaning and conveying device, the cleaning and disinfection device comprises cleaning supports distributed in an array mode, and a sprayingframe is jointly arranged on the cleaning supports; the cleaning and conveying device comprises conveying frames distributed in an array mode, cleaning rollers distributed in an array mode are arranged between the conveying frames, and a drying box is further jointly arranged on one sides of the conveying frames; and a conveying belt is further arranged on one side of the crushing device. According to the PET solid hard sheet processing device, the pre-pass processing efficiency of a PET material is effectively improved, and the disinfection, cleaning and drying for material recovery are facilitated, so that the safety of PET material recovery is improved, the packaging production cost is reduced, and the environment is protected; and meanwhile, the material transfer steps are reduced, sothat the material is prevented from being polluted in the transfer process, and meanwhile, the labor intensity of operating personnel is also reduced.

Provided are a water-in-oil transparent crude emulsion with phase separation and application thereof. The transparent crude emulsion isobtained by emulsifying and dispersing an aqueous phase and an oil phase, wherein the aqueous phase liquid droplets dispersed in the oil phase have an average diameter of not less than 0.2 [mu]m, and an application thereof; And a refractive index reinforcing agentis also dissolved in the aqueous phase, and the refractive index reinforcing agent component accounts for not less than 20% by mass in the whole aqueous phase; And a surfactant with HBL value not greater than 8 is also dissolved in the oil phase; Furthermore, the absolute value of the difference in refractive index between the aqueous phase and the oil phase does not exceed 0.1. By controlling thecomposition of both the water phase and the liquid phase of the water-in-oil coarse emulsion used for phase separation, in particular by adjusting the refractive index of the water phase in the coarse emulsion droplets, the coarse emulsion droplets are transparent, so that light rays can pass through the shallow transparent droplets to reach the deep droplets, thereby realizing in-situ sealed imaging detection of the deep droplets of the coarse emulsion.

The invention relates to a core clamping device. The core clamping device comprises templates, fixing mechanisms, clamping mechanisms, connecting rods and clamping plates; the templates are flat plates with horizontal top surfaces; each clamping mechanism comprises a clamping column, a baffle and a baffle rod; the clamping columns are rotationally arranged in clamping connection holes; circular rings are arranged at one ends of the connecting rods; the circular rings are arranged on the clamping columns in a sleeve mode; each clamping plate comprises a first clamping plate, a second clamping plate and a third clamping plate; clamping grooves matched with one ends, far away from the circular rings, of the connecting rods are formed in the third clamping plates; and the connecting rods are fixedly connected to the clamping grooves so that the fixing mechanisms are connected to the clamping plates. The core clamping device can meet the clamping connection of the cores with different heights and different sizes, the universal degree is high, and various types of clamping tools in the prior art can be avoided; and the clamping connection strength of the core is ensured, and the clampingcomplexity is reduced.

The invention provides an L-shaped connecting member for a solar cell sheet. The L-shaped connecting member comprises an L-shaped conductive substrate. The L-shaped conductive substrate comprises a first side and a second side which extend in the same direction, wherein the first side is attached to the side surface of the solar cell sheet, and the second side is attached to the front surface or the back surface of the solar cell sheet. The first side and the second side are integrally connected with each other to form an L shape. The inner side surface of the first side is covered with insulating glue. The inner side surface of the second side is covered with solder tin or a conductive adhesive. The invention also provides the use of the L-shaped connecting member. The L-shaped connectingmember of the present invention has a specially designed three-dimensional structure such that the front electrode and the back electrode of the solar cell sheet can extend to the side surface of thesolar cell sheet, which facilitates the serial connection of the solar cell sheets and the close arrangement of the solar cell sheets.

The invention relates to the technical field of die bonding, in particular to a needling type die bonder which comprises a base, wherein a needling device is arranged above the base through a first gantry assembly, and the needling device is provided with a plurality of needling heads; a wafer disc which is used for bearing a wafer and is movably mounted below the plurality of needling heads through a first linear driving mechanism; a carrying table, which is used for carrying a substrate and is movably mounted below the wafer disc through a second linear driving mechanism, so that any one of the needling heads, an LED wafer in the wafer and a wafer fixing point in the substrate are located on the same straight line. In conclusion, by adopting the design of the invention, on one hand, the manufacturing cost can be reduced and the transfer steps can be reduced by omitting the structure of a suction nozzle, and on the other hand, the transfer of a plurality of LED wafers can be realized at one time through the design of a plurality of needling heads, so that the transfer efficiency is improved.

The invention discloses an automatic sample pretreatment device for continuous flow analysis. The device comprises the following components of a support (2), an extraction pipe (a), an extraction pipeframe (3), a filter pipe (b), a filter pipe frame (4) and a lifting handle (5). The invention further discloses an application method of the device. By using the device disclosed by the invention, the sample analysis efficiency can be increased by several times.

The invention relates to a mold core clamping device comprising a mold plate, fixed support seats, fixed holes and clamping-connecting mechanisms. The mold plate is a flat plate with a horizontal topface. The fixed support seats are arranged on the top face of the mold plate and are provided with at least one fixed hole. The clamping-connecting mechanisms penetrate in the fixed holes rotationally. One end of each clamping-connecting mechanism is provided with a baffle, and the other end of each clamping-connecting mechanism is provided with a clamping head, wherein a clamping cap matched withthe clamping head is fixed to the clamping head detachably and is a cylinder provided with an eccentric hole axially. The fixed support seats of the mold core clamping device are provided with the multiple fixed holes, the fixed holes are mutually staggered, type selection requirements of different-height mold cores can be met, with matching of ingenious design of the eccentric clamping caps of the clamping-connecting mechanisms, clamping-connecting requirements of different-height different-size mold core can be met, and the generality is high.

A urine sample container assembly is provided. The assembly includes a vacuum tube and a cap for maintaining a vacuum condition in the tube and sealing the tube after a urine sample is placed therein. The tube includes an open top end engaging the shroud and a cylindrical interface extending from the open top end. A conical base extends from the lower end of the cylindrical interface to the bottom end of the tube. The fin extends outwardly from the conical base and defines a profile substantially the same as that of the round bottom tube. In this way, the tube can be used in chemical analyzers constructed for round-bottomed tubes and in centrifuges so that the sediment is retained in the conical bottom.

The invention provides a preparation method of a graphene-coated atomic force microscope probe. The preparation method comprises the following steps of preparing a single-sided selective graphene oxide material, and preparing a single-layer graphene film on a gas-liquid interface in a self-assembly manner; placing the atomic force microscope probe to be coated below the liquid level, and enablingthe atomic force microscope probe to be at a positive potential; slowly pumping the liquid to descend the liquid level, and covering the tip of the atomic force microscope probe with the single-layergraphene; and implementing microwave treatment, so that a metal layer can effectively absorb microwave energy, and internal oxygen-containing functional groups are decomposed. According to the method,the single-layer graphene film is prepared at the gas-liquid interface in the self-assembly manner, the film can be controlled at the thickness of a monatomic layer, graphene is firmly attached to the surface of the atomic force microscope probe, coating is tight and uniform, the service life of the probe is prolonged, the preparation process is simple, used materials are easy to obtain, the requirement for equipment is low, large-scale and batch coating can be achieved, and the production efficiency is greatly improved.

The invention discloses centrifugal equipment for dacromet treatment. The centrifugal equipment comprises a first frame, a second frame, a liquid storage box, a material storage box, a centrifugal mechanism and a lifting mechanism, wherein the material storage box is of a mesh structure; the liquid storage box is connected with the lifting mechanism; the material storage box is connected with thecentrifugal mechanism; the liquid storage box is arranged inside the first frame; the material storage box is arranged inside the liquid storage box; the centrifugal mechanism is arranged inside the second frame; and the first frame is welded on the top of the second frame. According to the design of the lifting mechanism and the centrifugal mechanism, after workpiece dip-coating is completed, dacromet coating liquid is separated from the workpiece, and the workpiece is subjected to centrifugal treatment by the centrifugal mechanism. The centrifugal equipment disclosed by the invention is simple in structure and convenient to use, the workpiece transfer step is saved, the working efficiency is improved, the rotary column can rotate back and forth, and the dip-coating effect of the workpiece is improved.

The invention relates to the technical field of knitwear raw material silk yarn manufacturing, and discloses equipment for manufacturing knitwear raw materials by rotary centrifugal force. The equipment comprises a shell, a gear is movably connected into the shell, an observation sleeve is movably connected to the surface of the gear, a guiding plate is fixedly connected to the surface of the observation sleeve, a compression spring is movably connected into the guiding plate, a sliding plate is movably connected to the end, away from the guiding plate, of the compression spring, a push rod ismovably connected to the side, away from the compression spring, of the sliding plate, a piston is movably connected to the upper end of the push rod, a carding plate is fixedly connected to the end,away from the observation sleeve, of the guiding plate, a roller rod is movably connected to the end, away from a spring rod, of a lifting rod, and a knocking rod is movably connected to the joint ofthe roller rod and the lifting rod. The centrifugal force generated by rotating of the observation sleeve is gradually greater than the elastic force of the spring rod, rollers rotate to enable shortfiber to be in touch with a winding rod, and thus the effects that reducing the silk yarn spinning and transferring steps and completing spinning and cleaning are achieved.

The invention provides preparation method of a carbon nanometer film/a nano-micrometer network composite film, and relates to technical field of nanometer materials and preparation of the nanometer materials. A carbon source is subjected to chemical gaseous phase pyrolysis, holes of a nano-micrometer network are filled with the carbon nanometer film grown at the low temperature, and the surface ofthe nano-micrometer network is not covered, and the composite film is formed. The holes of the nano-micrometer network on a catalyst substrate are filled with the carbon nanometer film grown at the low temperature, and the self-supporting composite film can be formed through separation. The preparation method of the carbon nanometer film/the nano-micrometer network composite film comprises a carbon source and nano-micrometer network in-situ contact method, a carbon source and nano-micrometer network in-situ non-contact method and a carbon source and nano-micrometer network non-in-situ low-temperature transmission method. According to the preparation method, production steps are simplified, the production cost is greatly lowered, and the preparation method has industrialization prospects.