52results about How to "Experiment efficient" patented technology

A method for setting axle of polarization shaft on polarization preserving fiber based on side view light intensity distribution includes regulating distance between said fiber and objective to let light intensity distribution present nine characteristic points, rotating said fiber to obtain light intensity characteristic amounts at different position angle and to obtain measurement curve of angle variation in following to light intensity characteristic amounts, making cross - correlation of measurement curve with standard curve and using angle corresponding to maximum value of cross - correlation as position angle of said fiber.

The invention discloses a CsPbX3@TiO2 nanomaterial as well as a preparation method and application thereof. The preparation method comprises the following steps: first, dissolving CsX and PbX2 in a surfactant and an N,N-dimethylformamide solution system, and heating to form a CsPbX3 precursor solution; then hydrolyzing and coating TiOx onto the surface of CsPbX3 in a titanate solution through a sol-gel method to obtain CsPbX3@TiOx; calcining under the protection of argon to obtain the CsPbX3@TiO2 nanomaterial. The CsPbX3@TiO2 nanometer material with an obvious structure and uniform coating isprepared with a 'one pot method', and has high fluorescence stability. The material powder can be placed stably at room temperature for two months or more, keeps ultrasonically stable in an aqueous solution for 60 minutes or more, and can be widely applied in various fields such as solar cells, photocatalysis, display devices, lasers, light detection devices and biological fluorescence labels.

The invention discloses a freely-falling-body gravity acceleration measurement device based on capacitive sensors. The device includes: an experiment tube column, which is vertically placed to enablea metal detection object to carry out freely-falling movement from a top to a bottom in the experiment tube column; a first capacitive sensor and a second capacitive sensor, which are disposed at different heights of the experiment tube column, are separated with a preset distance, and are used for generating induction signals when the metal detection object respectively falls to the correspondingheights; and a processing module, which is respectively connected with the first capacitive sensor and the second capacitive sensor, and is used for processing the induction signals generated by thefirst capacitive sensor and the second capacitive sensor, respectively obtaining corresponding falling-edge triggering pulse signals, and obtaining a falling time of the metal detection object in thepreset distance according to the falling-edge triggering pulse signals, which correspond to the first capacitive sensor and the second capacitive sensor, to facilitate a process of calculating gravityacceleration according to the preset distance and the falling time.

The invention discloses a hot stamping experiment mould. The water channel parameters of the mould directly affect the cooling effect of the mould. According to the technical scheme, the hot stamping experiment mould comprises an upper mould plate, a female mould fixing plate, a male mould fixing plate, a male mould, a blank holder, a female mould, a male mould fixing plate and a support plate. The hot stamping experiment mould has the advantages that the hot stamping experiment mould can achieve rapid adjustment of the cooling water channel parameters through replacement of local modules, and the cost of remanufacturing the mould is saved; cooling modules with different cooling water channel parameters are adopted in the symmetrical positions, and a contrast experiment can be conveniently and quickly completed; and the mould is provided with a fast-replacing structure, replacement of the cooling modules can be efficiently completed, and the experiment time is saved.

The invention provides a medium-low pressure hydrogen-containing pipeline experiment system and method. The medium-low pressure hydrogen-containing pipeline experiment system comprises a mixing device, a medium-low pressure test pipeline, a control terminal and a terminal test element connected with the control terminal, the mixing device comprises a plurality of input ports, at least one first input port is communicated with a hydrogen source, at least one second input port is communicated with a non-hydrogen source, and an output port of the mixing device is communicated with a terminal test element through a medium and low pressure test pipeline; the output port of the mixing device is provided with a hydrogen concentration detection element connected with the control terminal, and the middle and low pressure test pipeline is connected with at least one sensing element connected with the control terminal; the control terminal controls the pressure and/or flow of the mixing device and the outlet pressure and/or flow of each gas source according to the hydrogen concentration detection result; blending, flowing and utilization experiments of a pure hydrogen pipeline and a hydrogen-doped pipeline can be carried out more efficiently.

The invention discloses a high-efficiency and high-sensitivity biomacromolecule film transferring and dyeing system comprising a working unit provided with at least one passage used for detecting and analyzing a sample; and an operating part correlated with the working unit for creating at least one dyeing or film transferring passage parameter, wherein each dyeing or film transferring passage parameter comprises at least one electric field circulation time; and the invention further discloses equipment based on the high-efficiency and high-sensitivity biomacromolecule film transferring and dyeing system, and the equipment comprises a base and a shell, an operating panel is arranged at the outside of the shell, a working region, and a system power supply and a working circuit board, which are connected with the working region, are arranged in the base and the shell, the working region is provided with at least one push-pull type independent working chamber, and positive and negative electrode plates used for providing an electric field are installed in the working chamber. The quick dyeing or film transferring system or equipment capable of driving the movement of biological charged particles through the electric field to control the biomacromolecule disclosed by the invention can also guarantee the high sensitivity demand of biological detection.

The invention discloses a pressure porous valve chip and a detection method thereof and belongs to the technical field of medical instruments. The pressure porous valve chip comprises a substrate sheet and a pressure valve body; a channel sheet is tightly attached to the upper side of the substrate sheet; a plurality of microfluid branch channels communicated with upper mounting holes are distributed at the downward end of the channel sheet; liquid storage grooves are formed in the channel sheet at the ends, away from the upper mounting holes, of the microfluid branch channels; a plurality of liquid inlet holes in one-to-one correspondence with the liquid storage grooves are formed in the channel sheet;the pressure valve body is connected with the channel sheet and the substrate sheet;and a plurality of fluid through holes in one-to-one correspondence with the microfluid branch channels are formed in the height direction of the pressure valve body; the fluid through holes can cover the areas where the corresponding microfluid branch channels are located; the downward end of the channel sheet is provided with a circulation area, a first microfluid main channel communicated with the circulation area and a negative pressure connector; one end of the circulation area is communicated with the other ends of the fluid through holes; and the other end of the circulation area is communicated with the negative pressure connector through the first microfluid main channel. The pressure porous valve chip is convenient to operate and high in flexibility.

The invention discloses a device and a method for measuring high-energy electrons and electromagnetic radiation under long gap discharge, which belong to the technical field of long gap discharge. Thedevice of the invention includes a discharge experiment part and a detection part. The discharge experiment part includes an impulse voltage generator, a voltage divider and a needle-plate dischargestructure. The detection part includes a scintillator probe group, a DC power supply, a linear amplifier, a multi-channel analyzer, a processor, a run-away electron beam collector and an oscilloscope.The device and the method have the characteristics of simple structure and low cost, can ensure smooth conduction of experiment, can be used to guide insulation protection under lightning overvoltageand impulse overvoltage, and can bring great economic benefits. The device and the method can improve the accuracy of space-time characterization of long gap discharge, and are helpful to promote thebasic theoretical research about long gap discharge.

The invention discloses a chemical experiment virtual simulation system and a chemical experiment virtual simulation method for intelligent learning. The system comprises a compound and component trigger event monitor module and a chemical reaction simulator module. The compound and component trigger event monitor module comprises a plurality of monitoring points, and the monitoring points monitorthe following information: component attribute change events triggered between components or generation of new components. The compound is combined with the component, and the compound attribute is endowed with a new attribute of the component. Compounds are combined to obtain generated compounds and reaction phenomena. The chemical reaction simulator module monitors the mixing state of the component, the compound and the compound, calls the periodic table of elements and massive compound structure information, and intelligently calculates the generated compound, the reaction phenomenon and the residual compound information through a reaction equation function according to the compound and the reaction condition. The invention aims to enable a chemical virtual simulation system to intelligently learn and provide reaction data and reaction phenomenon support for a virtual chemical intelligent experiment.

The invention discloses a volume DBD (dielectric-barrier discharge) based oxide generation and formaldehyde removal device. The volume DBD based oxide generation and formaldehyde removal device comprises a gas source used for producing formaldehyde and air mixed gas, a valve C connected to the gas source, a gas flowmeter connected to the gas source, a formaldehyde generator connected between the gas source and a DBD reaction chamber, a valve B used for controlling initial concentration of formaldehyde by controlling flow, a valve A connected between the valve C and the DBD reaction chamber, agas detection chamber connected to the DBD reaction chamber and a gas monitoring device connected to the gas detection chamber. With adoption of the device, a contrast experiment between formaldehyderemoval by pure ozone and formaldehyde removal by discharge can be realized, and a key substance affecting the removal effect can be found out.

The invention relates to an intelligent mercurial thermometer which comprises a long-strip-shaped mercurial thermometer body. A capillary tube extending in the longitudinal direction is arranged in the mercurial thermometer body and is communicated with a glass bulb which is located at the lower end of the mercurial thermometer body and used for containing mercury. A first wire extending in the longitudinal direction of the mercurial thermometer body is arranged in the mercurial thermometer body. The lower end of the first wire extends into the inner wall of the glass bulb and makes contact with the mercury contained in the glass bulb. The inner wall of capillary tube is provided with a second wire extending in the longitudinal direction of the capillary tube. The lower end of the second wire makes contact with the mercury, and the second wire is exposed on the inner wall of the capillary tube. The upper end of the first wire and the upper end of the second wire extend out of the mercurial thermometer body. The extended end of the first wire is electrically connected with one output end of a DC power supply. The extended end of the second wire is electrically connected with the other output end of the DC power supply through a current information processor. The intelligent mercurial thermometer can be used for visually and accurately displaying the real-time temperature in a digital mode, is high in efficiency and accuracy, and avoids personal errors.

The invention discloses a gravity acceleration measurement instrument based on a free falling body method, which comprises an experiment pipe column, a first permanent magnet, a second permanent magnet, a first magnetic sensor, a second magnetic sensor and a processing module, wherein the experiment pipe column is vertically placed; the first permanent magnet and the second permanent magnet are arranged at different heights of the experiment pipe column and separated by a preset distance; the first magnetic sensor is arranged between the first permanent magnet and the pipe wall of the experiment pipe column; the second magnetic sensor is arranged between the second permanent magnet and the pipe wall of the experiment pipe column; the first magnetic sensor and the second magnetic sensor generate sensing signals when a metal detected object respectively falls to the corresponding heights; the processing module is respectively connected with the first magnetic sensor and the second magnetic sensor and is used for carrying out processing on the sensing signals generated by the first magnetic sensor and the second magnetic sensor, respectively obtaining corresponding falling edge trigger pulse signals and acquiring falling time of the metal detected object within the preset distance according to the falling edge trigger pulse signals corresponding to the first magnetic sensor and the second magnetic sensor so as to calculate a gravity acceleration according to the preset distance and the falling time.

The invention discloses a device and a method for testing combustion characteristics of a material in a low-pressure oxygen-enriched environment. The device comprises a low-pressure cabin body, an ignition device, a weighing device, an oxygenation system, an exhaust system, a closed-loop pressure control system and an online flue gas detection and analysis system, wherein the closed-loop pressure control system annularly sleeves the bottom of the low-pressure cabin body, the closed-loop pressure control system is connected with the oxygenation system, the low-pressure cabin body is respectively connected with the closed-loop pressure control system and the exhaust system, the weighing device is arranged in the low-pressure cabin body, an area above the weighing device is a reaction area, the ignition device extends into the internal reaction area from the outside of the low-pressure cabin body through an ignition rod, and the online flue gas detection and analysis system is connected with the low-pressure cabin body. By means of the device, the combustion characteristics of the material in the low-pressure oxygen-enriched environment can be efficiently and accurately experimented and analyzed, and pressure at different altitudes can be simulated.