36results about How to "Does not affect testing" patented technology

The invention discloses an explosion center positioning device and solves the problem that the position of an explosion center cannot be determined under the dynamic explosion test condition in the prior art. The explosion center positioning device is formed by a test base, a direction regulator and pressure-sensitive elements. Through the explosion center positioning device, azimuth angle of theexplosion center can be calculated by measuring arrival time of shock wave; through the explosion center positioning device, explosion center azimuth angles at two different places can be measured, and the position of the explosion center can be calculated; the explosion center positioning device needs to be buried in the test site when carrying out explosion center azimuth angle and explosion center position measurement, thereby not influencing test of other explosion parameters; the device cost is low, and since the device needs to be buried into the site field when used, probability of being damaged by explosion fragments is low; the test principle is based on an electrical measuring method, and thus the device is not influenced by environment light intensity factors; and the method canbe used for measuring the angle of explosion center in any direction, and can be used for calculating the position of the explosion center.

The invention refers to a heparin compound and its preparation method and application. The heparin compound is a heparin zinc-potassium double salt demonstrated by the formula of R(ZnOH)aKb. The R represents the heparin radical and a is between 3 and 5, b between 1 and 3. The heparin compound can be made through the following preparation method: dissolve the sodium heparin into the water and contact with the cinnamene cation exchange resin to get the heparin solution; add an amount of zinc hydroxide and potassium hydroxide to the heparin solution, whisk and dry it and get the mentioned solid heparin compound. The heparin compound can be used as the anticoagulant agent as well as the main material of the anti thrombus medicine. The heparin zinc-potassium as the anticoagulant agent meets not only the requirements of not affecting the components' balance and stability of the blood samples to be tested but also the requirement of the solubility in the blood. When it is chosen as the main resource of the anti thrombus medicine, the heparin zinc-potassium releases slowly, has long effect of medicine and no toxicity and is good for the zinc-adding of the human body.

A reagent for detecting alkaline phosphotase is prepared from p-nitrophenol phosphate as substrate through proportionally mixing it with glycine and sodium laurylsulfate and regulating pH-7.5-11 by Good's buffer liquid.

The invention discloses floating body type offshore wind power generation equipment. The floating body type offshore wind power generation equipment structurally comprises a generator, a connecting bearing, a fan blade rotating wheel, a supporting rod, a fixing base, a fluid balancing mechanism and an examination window; the supporting rod is inlaid in the center of the fixing base; the floating body type offshore wind power generation equipment is provided with an elastic push-and-pull device, an anti-oscillation device and a pendulum bob braking structure, before sea waves come, balancing preparation is made according to the flowing speed of water flow, the pendulum bob braking structure changes impact force in an optional direction into braking force of the fluid balancing mechanism, bytransmitting via a power transmitting structure and a transmission structure mechanism, mechanical energy is converted into a power source of the elastic push-and-pull device in a centralized manner,the power source drives a fluid accommodating box, the magnitude of the overall gravity of the fluid accommodating box is equal to that of the impacting force of the sea waves, but the direction of the overall gravity of the fluid accommodating box is opposite to that of the impacting force of the sea waves, it can be ensured that the fixing base is not affected by the sea waves, steadiness is kept, and test on wind power directions is not affected.

The invention discloses a special system for highly-deviated well and horizontal well plunger gas lift. The special system comprises a tubing shoe with a plunger buffering function and a lengthened bendable plunger, wherein the tubing shoe with the plunger buffering function comprises a tubing shoe body and a damping spring, the upper portion of the tubing shoe body is connected with a tubing through an internal thread, the inner wall of the tubing shoe body and the lower end face of the tubing form an upper step surface, a lower step surface is arranged on the lower portion of the tubing shoebody, the damping spring is clamped between the upper step surface and the lower step surface, the lengthened bendable plunger comprises a fishing head, two turbulent seal plungers, a spring and a brush, the special tubing shoe is tripped into a highly-deviated well section or a horizontal section together with the tubing, and the problem of difficulty in feeding an existing plunger clamping device into the highly-deviated well section. The lengthened bendable plunger cannot be limited by a well bore configuration, influence caused by inconsistency of drift diameters of a Christmas tree and the tubing can be reduced by lengthening the plunger, and the plunger has better lost circulation prevention and gas channeling prevention effects as compared with a conventional plunger.

The invention belongs to the field of element analysis, and provides a method for simultaneously detecting various trace elements in iron-containing waste acid. The method comprises the following steps: carrying out sample pretreatment: pretreating a sample; weighing 2-15 g of an iron-containing waste acid sample; adding 20-50 mL of hydrochloric acid and 2-5 g of an oxidizing agent; performing stirring until the iron-containing waste acid is completely oxidized into ferric trichloride, transferring a to-be-detected sample into a separating funnel, adding 10-30 mL of an extracting agent, performing extracting for 3-5 times to completely extract Fe3+, taking a water layer, enriching in a water bath, transferring a sample solution into a 50 mL volumetric flask, fixing the volume, forming uniform shaking, and making a blank at the same time; selecting an element spectral line; drawing a standard curve; and detecting the sample. According to the method, the spectral interference caused by an iron matrix is effectively eliminated, the detection limit of the method is reduced, a method for simultaneously determining various trace elements in the iron-containing waste acid by utilizing aninductively coupled plasma emission spectrometer is created, the detection time is shortened, and the working efficiency is improved.

The invention relates to a device and a method for detecting pesticide residues in fruits and vegetables. The device comprises a detection device upper cover (1) and a detection device main body (2) connected to the detection device upper cover (1). The device is characterized in that the detection device main body (2) comprises a power supply module (3), a reagent storage module (4), a detected sample chamber (5), an input module (6), a detection module (7), a computing module (6), and an output module (9). The device is a portable detection device adopting an enzyme reagent method and can realizes the whole detection on pesticide residues in fruits and vegetables. The device has a high integrated level and realizes convenient and effective detection on pesticide residues in agricultural products such as fruits and vegetables outside of the laboratory.

The invention discloses a method and device for processing mobility capacity of a terminal. In wireless capacity information reported by the terminal, the mobility capacity from LTE to UTRA is limited by the frequency band of the UTRA supported by the terminal. By means of the method and device for processing the mobility capacity of the terminal, a base station can clearly obtain the mobility capacity of the terminal between the LTE and the UTRA, and therefore the capacity of a UE can be played to the maximum extent, and the test of related capacities is not affected.

The invention relates to an expandable leakproof well cleanout packer, which comprises an upper joint, upper and lower connecting pipes, upper and lower central pipes, a valve ball, a righting block, a rubber cup and a leather cup, wherein the upper joint is in threaded connection with the upper connecting pipe, and the upper connecting pipe is in threaded connection with a valve hoop; the valve ball is arranged on a valve ball seat in the valve hoop to form a valve pressure relief device, and the lower end of the valve hoop is in threaded connection with an upper reducer joint; the upper reducer joint is in threaded connection with the upper central pipe, and the righting block is distributed on the periphery of the upper central pipe to form a leaf-hand righting pressure release device; the lower end of the upper central pipe is in threaded connection with a short coupling, and the movable joint jacket of the short coupling is in threaded connection with a lower nipple; the lower nipple is in threaded connection with a lower reducer joint, and the lower reducer joint is in threaded connection with the lower central pipe; the lower central pipe is provided with the rubber cup and the leather cup in a suspending way, and the lower end of the lower central pipe is in threaded connection with an adapter connector to form a sealed suspending device; and the lower connecting pipe is in threaded connection onto the adapter connector. The expandable leakproof well cleanout packer provided by the invention has the advantages of reasonable structure, short well cleanout time, energy saving and environmental protection, and the pollution of well cleanout liquid leakage to the formation is effectively prevented.

The invention discloses an anti-broken manufacturing method of capacitance type touch display screen FPC (flexible printed circuit). The method incudes steps of step 1, manufacturing the FPC; step 2, bonding a protective layer with a hollow opening to a pin of a FPC welding pad, so that the hollow opening is faced to the FPC welding pad; step 3, crimping the FPC welding pad to perform FPC function test; step 4, binding the FPC to a touch display product; step 5, crimping the FPC welding pad pin to test the touch product; step 6, welding the FPC of the touch screen to the FPC of the display product; step 7, peeling off the protective layer from the FPC. The anti-broken manufacturing method has the beneficial effects of reducing the damage during the FPC welding process, improving the product yield, and reducing the product cost.

The invention relates to a high-voltage filter capacitor group resonance frequency testing device and method. The device comprises an acquisition circuit, a control circuit and a display circuit. Theacquisition end of the acquisition circuit is connected with a high-voltage filter capacitor group, and the output end thereof is connected with the control circuit. A discharge sinusoidal waveform signal of the high-voltage filter capacitor group is acquired and shaped. A pulse signal is output to a control module when the periodic discharge sinusoidal waveform signal crosses zero. The output endof the control circuit is connected with the display circuit. The pulse signal waveform period is calculated and converted into frequency, and a frequency signal is generated and transmitted to the display circuit. The display circuit displays the data of the frequency signal. Compared with the prior art, the device and method, which are provided by the invention, test the high-voltage filter capacitor group, and have the advantages of more accurate test, small volume, light weight, easy carrying, less dependence on field conditions, simple operation and high automation degree.

The invention relates to a data transmission method and device for on-line monitoring device quality simulation testing. The method includes the following steps that: S1, a status access controller generates corresponding messages according to output data of an on-line monitoring device, and sends out the messages; S2, the messages sent by the status access controller are received, and are analyzed; and S3, whether the messages accord with the I2 protocol is jugged according to analysis results, if the messages accord with the I2 protocol, the messages are stored, if the messages do not accord with the I2 protocol, protocol error information is returned to the status access controller. Compared with the prior art, and according to the method of the invention, protocol analysis is performed on the messages sent by the status access controller, and when the messages do not accord with the I2 protocol, the protocol error information is fed back to the status access controller timely, and therefore, pre-verification can be performed on messages entering a testing device, and a specially-assigned person is not needed to perform protocol accordance judgment, and therefore, labor force can be saved.

The invention discloses an explosion center positioning testing device and method, and particularly relates to a testing device for explosion center position positioning. The device can be applied toexplosion center position determination in a dynamic explosion scene. The structure mainly comprises an explosion center positioning testing device installing base (1), a cover plate (2), a pressure-sensitive diaphragm (3), compressing bolts (4), bolt installing holes (5), a pressure-sensitive diaphragm sealing groove (6), a pressure-sensitive diaphragm pressure guiding hole (7), a compass (8), ahorizontal bubble (9) and a rolling ball (10). According to the explosion center positioning testing device and method, an explosion center positioning testing device and method body is made of a metal material, and the device is simple in structure, convenient to operate and low in cost; and in the using process, the explosion center positioning testing device is installed on the ground surface of a to-be-test area, no interference can be generated to an explosive field, and the specific explosion center position combined by multiple testing points in any directions can be measured.

A system for monitoring background is featured as using monitor end to detect background in real time , triggering assembly abnormal message immediately and sending it to receiving prompt end , then informing test personnel by receiving prompt end through light and sound means when abnormal is occurred on background .

The invention discloses a feeding device with buffering and conveying functions. The feeding device comprises a bottom plate, a feeding assembly line, a material taking platform, a material passing assembly line, a buffering assembly line and a lifting air cylinder, the material taking platform is correspondingly and fixedly connected with the feeding assembly line, the feeding assembly line is fixedly connected with the bottom plate, and the buffering assembly line is fixedly connected with the material passing assembly line; and the lifting air cylinder is arranged at the bottom of the material passing assembly line, a push rod of the lifting air cylinder penetrates through the bottom plate to abut against the bottom of the material passing assembly line, the outflow end of the feeding assembly line is technologically connected with the inlet end of the material passing assembly line, and the outflow end of the buffering assembly line is technologically connected with the material taking platform. Material trays sequentially flow through the feeding assembly line to enter the material passing assembly line and a next feeding device to achieve the material tray conveying function, and the material trays sequentially flow through the feeding assembly line to enter the buffering assembly line and the material taking platform to achieve material tray buffering and material taking functions. The feeding device has a buffering function and can be connected with rear-end equipment to implement unit wiring so that uninterrupted feeding can be realized during production, and the production efficiency is improved.

The invention discloses a heat exchanger performance test platform and a measurement method thereof. A cooling water system comprises a water storage tank, a cooling unit, a variable pump and a waterdistributor which are sequentially communicated through a pipeline, a plurality of water outlet pipes with different flows are arranged at the water outlet end of the water distributor, the water outlet pipes are communicated to the tube pass side of a to-be-tested heat exchanger, and a water outlet in the tube pass side flows back to the water storage tank; the compressed air system comprises anair compressor and an electric control flow valve which are sequentially communicated through a pipeline; a shell pass side inlet of the to-be-tested heat exchanger is communicated with the electric control flow valve, and an outlet is communicated with the emptying pipeline; a compressed air heater of the heating system heats compressed air output by the compressed air system; the measurement andcontrol system comprises a temperature sensor, a pressure sensor and a flow meter which are arranged on each connecting pipeline of the heat exchanger to be measured and are electrically connected tothe DCS host. According to the heat exchanger performance test platform and the measurement method thereof, heat exchange efficiency of the heat exchanger is rapidly and accurately measured and calculated by simulating the actual working condition of the heat exchanger and collecting flow, pressure and temperature parameters.