32results about How to "Experimental reliable" patented technology

The invention relates to a nucleotide sequence, a method and a kit for detecting human influenza A virus, which can detect human influenza A virus, influenza A(H1) virus and novel influenza A H1N1 virus by genotyping. A primer and a probe comprise any one of the nucleotide sequences as shown in the figures from SEQ ID NO:1 to SEQ ID NO:12. The invention can respectively detect the human influenza A virus, the influenza A(H1) virus and the novel influenza A H1N1 virus in the same fluorescence PCR reaction system, adopts interior labels to carry out quality control on the nucleic acid extraction and PCR reaction processes, eliminates false negative generation, enables the whole experimental detection process to be accurate and reliable, improves the early-stage relevance ratio, reduces the operating time of medical personnel, lowers the cost and lightens economical burden for patients.

The invention relates to a testing device of a machine tool guide rail, in particular to the testing device of a large-span machine tool guide rail protective cover. The testing device of the large-span machine tool guide rail protective cover is characterized in that an under carriage is included, a servo motor which is controlled through a controller is fixed in one side of the under carriage, a synchronous belt and a driving platform which move in the length direction of the under carriage are sequentially matched to be arranged on the servo motor, and guide rails which are matched with the testing protective cover to make reciprocating motion are fixed on the two sides in the width direction of the under carriage. The testing device of the large-span machine tool guide rail protective cover is unique in structure, short in testing period, reliable in testing and long in service life.

The invention relates to the field of microbe experimental facilities, and in particular discloses a multi-function instrument used for the microbe acid and gas producing experiment and the sulfur-containing amino acid detection experiment. The multi-function instrument comprises a constant temperature incubator, a fermentation test tube, an acid and gas producing experiment indicating device and a sulfur-containing amino acid detection device, wherein the acid and gas producing experiment indicating device comprises a liquid storage chamber and a seal end cover, the middle part of the seal end cover sinks, the sinking part is in sealed connection with a gas collecting tube, a water injecting hole and an air hole are formed in the seal end cover, and a puncture device and a seal rubber sleeve are in sealed connection to the bottom of the liquid storage chamber; the sulfur-containing amino acid detection device comprises a detection chamber, a rubber plug is plugged to the lower opening of the detection chamber, a puncture device is inserted into the rubber plug, and a rubber seal sleeve is arranged at the lower end of the detection chamber; a filter paper strip coiled to form the barrel shape is plugged in the detection chamber. The multi-function instrument has the advantages that the size is small, the taking for use is convenient, the operation is simple, the efficiency is high, the space is saved, the experiment is simple and rapid, the result is reliable, and multiple purposes are realized.

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 six-direction loading rotary experiment table for testing a foot type robot. The six-direction loading rotary experiment table comprises a longitudinal support, a rotary cantilever mechanism, a road surface base, a force sensing ring, a transverse column supporting mechanism and an STEWART platform. The rotary cantilever mechanism can perform rotary motion around the longitudinal support, the transverse column supporting mechanism is fixedly connected to the rotary cantilever mechanism and plays a supporting role in the rotary cantilever mechanism, the transverse column supporting mechanism is adjusted to adapt to foot type robots with different specifications, the STEWART platform is fixedly connected to the tail end of the rotary cantilever mechanism, required road conditions are arranged on the road surface base, and the foot type robot to be tested is installed on the STEWART platform. By the adoption of the ring structure, the movement distance is infinite, the leg and foot fatigue characteristics of the foot type robot are tested, and the experimental process and equipment of the leg and foot fatigue characteristics can be greatly simplified.

The invention relates to the technical field of travel survey, in particular to a high-voltage motor insulation detection method and device. The method comprises the following steps: a first experiment for detecting the surface conductivity fouling of the high-voltage motor coil; and/or a second experiment for detecting the aging degree and dielectric loss of the insulating layer of the high-voltage motor coil; and/or a third experiment for detecting the partial discharge amount in the insulating layer of the high-voltage motor coil. All data are collected within the rated voltage range of thehigh-voltage motor, and the experiment is reliable and stable; no harm is caused to client equipment; the operation is convenient and easy; and the experiment time is short, and the whole experimentprocess is within one hour.

The invention discloses an integrated hypoxia experiment simulation device and a method of mammals. The integrated hypoxia experiment simulation device comprises a processor module; the processor module is connected with a display module, a setting module, a sensor module, a power module and a control module; the control module is connected with a vacuum pump. The integrated hypoxia experiment simulation device provided by the invention has the characteristics of being compact in structure and convenient to use; besides; the device can automatically control vacuum pressure, reduce the operating difficulty of students making experiments, and enable the students to mainly focus on the observation of the hypoxia phenomenon, so that the experiment efficiency is greatly enhanced, and the experiment effect is improved; moreover, the experimental device is stable in experiment effect, high in repeatability and good in effect of experiment teaching.

The invention discloses a super-hydrophobic and anti-icing carbon fiber board and a preparation method thereof. A ZnO-CFB (carbon fiber board) comprises an array zinc oxide upper layer arranged on the upper surface of the carbon fiber board and an array zinc oxide lower layer arranged on the lower surface of the carbon fiber board. The preparation method comprises the following steps: firstly soaking the carbon fiber board in a crystal seed solution, taking out, drying and solidifying crystal seeds; and then soaking in a growth solution to perform low-temperature crystal growth, thereby obtaining the array zinc oxide layers with the thickness of 2-3 microns on the upper and lower surfaces of the carbon fiber board. Water droplets have the contact angle of 152 degrees and the rolling angle of 3 degrees on the ZnO-CFB disclosed by the invention. The ZnO-CFB disclosed by the invention can still keep a super-hydrophobic state at the temperature of -15 DEG C and the service life of the ZnO-CFB can be prolonged.

The invention discloses a positive-pressure breathing device for a diving experiment of a Bama miniature pig. The breathing device comprises a special diving gas cylinder and a gas transmission device; the gas transmission device comprises a primary regulator and a secondary regulator; the primary regulator is mounted at the upstream end of a gas conveying pipe; the secondary regulator is mountedat the downstream end of the gas conveying pipe; the primary regulator comprises a first regulating valve and a pressure gauge; the first regulating valve of the primary regulator is connected and fixed with a pressure reducing valve at the mouth of the special diving gas cylinder; the secondary regulator is provided with a second regulating valve; the second regulating valve is connected with a cylindrical respirator through a connecting pipe; the cylindrical respirator comprises a shell and an attaching mask arranged in the cavity of the shell, the opening end of the attaching mask extends out of the shell, a mask tightening belt is arranged at the opening end of the attaching mask, the shell is fixedly connected with an animal necklace through a connecting belt, and a breathing air outlet is formed in the second regulating valve.

The invention discloses an underground karst cave model preparation method, which comprises the following steps: determining the position and shape of a karst cave according to field engineering conditions through field investigation and geological data; then manufacturing a mold according to the shape of the karst cave, putting the magneto-rheological material and the conductive coil into the mold, electrifying the conductive coil to generate a magnetic field, solidifying and forming the magneto-rheological material, dismounting the mold, and obtaining a karst cave core mold; then selecting similar materials according to geological data to pour a geological model, pre-burying a karst cave core mold in the geological model in the pouring process, and keeping a conductive coil in the karstcave core mold to be electrified all the time in the process; and finally, powering off the conductive coil in the karst cave core mold, enabling the magnetic field to disappear, recovering the magneto-rheological material into fluid, forming the karst cave, and thus completing preparation of the underground karst cave model. Materials used in the method are easy to obtain, the cost is low, operation is easy in the preparation process, no damage is caused to the structure in the dissolution process of the karst cave core mold, and the prepared underground karst cave model is good in simulationeffect.

The invention relates to a performance determining system and test method for a fire preventing and extinguishing spraying material of a flammable coal seam. The determining system includes a physicalmodel, the polygonal physical model includes a top cover, a model roadway penetrates through the physical model, first high-temperature-resistant temperature measuring probes are uniformly distributed in the model roadway, each first high-temperature-resistant temperature measuring probe is connected with a temperature indicating gauge, small holes are uniformly distributed in the periphery of the model roadway, one small hole is an ignition hole, the other small holes are monitoring holes, each detection hole is connected with a gas detector, each monitoring hole is internally provided witha second high-temperature-resistant temperature measuring probe, and the second high-temperature-resistant temperature measuring probes are connected with a temperature display instrument; and the physical model is provided with an air supply hole and an air measuring hole, the two ends of the air supply hole are located near the ignition hole and outside the physical model respectively, one end of the air measuring hole is located inside the model roadway, the other end of the air measuring hole is located outside the physical model and connected with a multifunctional gas detector, and a pressure gauge is installed at the tail end, close to the air supply hole, in the model roadway.

The invention belongs to the technical field of thickened oil thermal recovery experiment equipment, and discloses a one-hole multi-line sealing device and method for a high-temperature probe in a thickened oil thermal recovery experiment. A plurality of temperature measuring columns are arranged; the plurality of temperature measuring columns penetrate through a sealing gland, an anti-rotation pressing board, a deformation cone and a sealing seat, and are locked; the plurality of temperature measuring columns are fixed through the anti-rotation pressing board, the sealing seat is provided with corresponding notches, and the sealing seat and the anti-rotation pressing board are limited and fixed through the corresponding notches; and the sealing gland compresses the deformation cone through downward movement, and the deformation cone is extruded with the sealing conical surface of the sealing seat through downward movement under stress. The sealing device is simple in structure and good in universality, and can be easily replaced to different high-voltage devices through a conversion joint; meanwhile, the temperature resistance is higher, resistance to the temperature of 1000 DEG Ccan be realized, and through the higher temperature resistance-pressure sealing technology, the deep research of the stratum depth is effectively expanded. The sealing device breaks through the temperature limitation of the existing related instruments and equipment, and expands the range of scientific research more widely.