4 results about "Experimental system" patented technology

The invention discloses a decreasing vibration test system of a blading with a damping structure. The decreasing vibration test system comprises an experimental installation system and a signal testing system, wherein, the experimental installation system consists of an impeller rotor mechanism, an air supply system, one or more than one nozzle, a drive mechanism, and a conductive slip ring. The impeller rotor mechanism is composed of an impeller formed by a plurality of blades and a rotor, strain foils used for measuring the dynamic stress of the blades are arranged on the blades, a detachable decreasing vibration mechanism is arranged at the leaf crowns of the blades, the decreasing vibration mechanism comprises decreasing vibration bolts positioned between the two leaf crowns of adjacent blades. One or more than one nozzle is evenly arranged on the circle at the rear side of the blades, the conductive slip ring is sleeved on the rotor, the impeller rotor mechanism is connected with the drive mechanism, the air supply mechanism is connected with the nozzle, and the conductive slip ring is connected with the signal testing system. The invention is the decreasing vibration test system of the blading with the damping structure, and the test system has the advantages of simple and compact structure, low cost, wide application range, high degree of automation, and high testing precision.

The invention discloses a containment pit strainer overall performance experimental system and method; the system comprises: a containment pit simulation tank having a medium outlet and a medium reflow inlet; a strainer module mounted in the containment pit simulation tank to filter an experimental medium flowing out of the medium outlet; a circulating pump connected to the medium outlet through a pipeline; an experimental branch including a fuel component simulation provided with a fluid inlet at one end and a fluid outlet at the other end, wherein in the fuel component simulation, the fluid inlet is communicated with the fluid outlet, the fluid inlet is connected to the circulating pump through a pipeline, and the fluid outlet is connected to the medium reflow inlet through a pipeline. The containment pit strainer overall performance experimental system and method allow operating environment of a pit under long-term cooling recirculating to be simulated under different scrap quantities, chemical environments and temperatures, the behaviors, such as hydraulic characteristics and scrap blocking characteristics, of the containment pit strainer and reactor core fuel component are acquired, and the system and method are highly universal and comprehensive and are simple to control and perform.

The invention discloses a kit for childhood acute lymphoblastic leukemia genotyping. The kit includes a primer pair group A, a primer pair group B, a primer pair group C, UDG enzyme and dUTP. Each primer pair group consists of 57 primer pairs specific to 56 typing genes, wherein the 57 primer pairs are divided into three groups, and each group correspond to a GeXP amplification reaction. An experiment proves that the kit can be used for an RT-PCR one-step method, so that operation is simpler and more convenient, the pollution possibility is reduced, and the sensitivity is improved. In addition, a dUTP/UDG technology is adopted to prevent pollution, so that an experimental system is more stable, the accuracy and specificity are greatly improved, and the kit has an important application value.

The invention discloses an experimental system and method for guiding replacement of a tension insulator of a high-voltage power transmission conductor, and belongs to the technical field of high-voltage power transmission conductors. The experimental system comprises a vertical electric wire pole, the tension insulator, a 185 lead wire, a hydraulic device and a detection device, wherein one end of the 185 lead wire is fixed to the electric wire pole through the tension insulator, and the other end of the 185 lead wire is connected with a steel-cored wire rope; the hydraulic device comprises a hydraulic station capable of realizing stepless pressure regulation and a hydraulic winch with the bearing capacity of 8T; the steel-cored wire rope is connected with the hydraulic winch through first steering equipment and second steering equipment respectively; the hydraulic station is connected with the hydraulic winch through an oil pipe. According to the experimental system and method, the stress situation of the tension insulator in an actual environmental condition is simulated; stress analysis of the tension insulator is carried out in an experimental process, so that a basis can be provided for actual mounting and replacing operations of the tension insulator by an electric power department.