4results about How to "Simplify operating procedures" patented technology

The utility model discloses a water quality standard solution titration device, including first container, liquid passage, solution container, water pump, control valve, flowmeter and colority detection subassembly, liquid passage is provided with two at least, and the one end of each titration tube is inserted to the above of first container, the liquid in solution container is made to flow into the liquid passage with the one end of each liquid passage away from titration tube intercommunication, water pump is communicated with liquid passage, and the liquid in solution container is dripped into first container under the drive of water pump through liquid passage and titration tube, control valve is arranged on titration tube, and colority detection subassembly is arranged above first container, water pump can drive solution to drip into first container through liquid passage and titration tube, replaces manual solution and drips into first container, realizes the automation, reduces the experimental error because of manual multiple comparison color, simplifies the operation procedure, and reduces the manual cost.

The application provides an AC-DC power supply test bed power distribution control system, comprising an AC power supply, a switching power supply, a DC power supply, a touch screen, a PLC, a communication interface conversion circuit, a frequency converter and a motor, wherein the AC power supply is connected with the switching power supply, the touch screen and the frequency converter respectively, the switching power supply is connected with the DC power supply, the touch screen, the communication interface conversion circuit and the frequency converter in sequence, the communication interface conversion circuit is connected with the frequency converter and the PLC respectively, and the frequency converter is connected with the motor; the I0.0 input port of the PLC is connected with a change-over switch to select a manual or automatic working mode for the test bed power distribution control system, the I0.1 input port of the PLC is connected with a start button to start the frequency converter of the test bed power distribution control system, the I0.2 input port of the PLC is connected with a stop button to stop the frequency converter of the test bed power distribution control system, and the I0.3 input port of the PLC is connected with an emergency stop button to control the stop of the test bed power distribution control system.

The utility model discloses a rolling type vacuum packaging machine which comprises a vacuum chamber, a vacuum meter, a water cooling water nozzle, a vacuum chamber air exhaust nozzle, a vacuum chamber stop valve, a pressurizing valve and a rack. The vacuum meter is installed on the vacuum chamber and used for monitoring the vacuum degree in the vacuum chamber. The water cooling water nozzle is arranged on the vacuum chamber and is used for providing cooling water to maintain the temperature of equipment; the vacuum chamber exhaust nozzle is connected to the vacuum chamber and is used for extracting air in the vacuum chamber; the vacuum chamber stop valve is installed on the vacuum system and used for controlling gas circulation between the vacuum chamber and the vacuum pump. The pressurizing valve is connected to the vacuum chamber and used for pressurizing the interior of the vacuum chamber; the rack is connected with the transmission mechanism and used for achieving transmission of mechanical motion. The vacuum packaging box is reasonable in structure, easy and convenient to operate, capable of effectively carrying out vacuum packaging on various objects, capable of prolonging the quality guarantee period and the fresh-keeping period and convenient to store and transport.

The application relates to a primer and a locked nucleic acid probe group for real-time fluorescent quantitative PCR detection of two strong and weak strains of goose parvovirus, wherein the strong and weak strains of goose parvovirus include MDGPV strong and weak viruses and SBDSV strong and weak viruses, and the sequences of the primer and the locked nucleic acid probe group are shown in SEQ ID NO. 1-8. The LNA-TaqMan real-time fluorescent quantitative PCR detection method established by using the primer and the LNA-TaqMan probe group can simultaneously detect, differentially diagnose and accurately quantify the strong and weak strains of goose parvovirus (duck small goose plague virus and / or duck short-beak dwarf syndrome virus strong and weak viruses), and is high in sensitivity, strong in specificity and good in repeatability.