romatographic and use double-antibodyromatographic and use double-antibodysandwich method to detect antigen. Whenthe concentration of antigen in specimen ishigher than the minimum detection limit, theviral antigen will form complexes withlabeled antibodies first. Under chromatogra-phy, the complexes move forward along thenitrocellulose membrane till captured bypre-coated monoclonal antibody ofindetection zone.Through the visible color tointerprete the test results.
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For parts that are difficult to scrub, such as chains, if there is no special washing device, the following "earth" method can be used to solve: find a plastic bucket with a transparent liquid level, two medical infusion tubes, and the inlet. The needle is tied at the outlet of the infusion tube of the plastic barrel and fixed at the water outlet above the machine chain; the plastic barrel can be placed on the top of the machine, the detergent flows down by its own weight, and the regulator can adjust the flow of the detergent. The washing agent is properly mixed with the tap water at the nozzle. This method is easy to take, and the spray washing effect is better.
(2) Lubrication. The lubricant should be carefully lubricated according to the machine lubrication diagram. Frequently rubbing parts, such as the tool holder chute and the cam follower mechanism, add 1 or 2 drops of lubricating oil every day; a thin layer of oil should always be kept on the sprocket and the chain to reduce wear; the bearings should be filled regularly. Grease; oil pool should be checked frequently, the oil level should be kept at the required height, and the oil should be changed regularly according to the lubrication diagram and machine running time; do not forget to add oil to the tank with self-lubricating system; Monitoring of the lubrication system to prevent machine failure such as seizure of moving parts due to oil pipe clogging, oil path damage or other reasons.
(3) Overhaul. Always observe the machine when working, and find that the problem should be repaired in time. While scrubbing and refueling, careful inspection can help to find worn parts, improperly adjusted parts, and find problems in a timely manner. The wear of the gasket, the leakage of the oil passage, and the sound of the leak are all signs that inspection and repair should be carried out.
(4) Security. The safe operation of the machine is to ensure that the operator and the mechanic and other personnel do not experience personal injury. All protective covers and safety covers must be installed before the machine is started. Maintenance personnel must comply with the manufacturer's safety regulations during regular maintenance.
Aluminum foil sealing machine maintenance four steps
(1) Scrub. The dust, residue, greasy, etc. generated during the operation of the aluminum foil sealing machine will affect the normal operation of the machine; the molten aluminum foil will stick to the surface of the roller to make a point contact with the aluminum foil, so that when the aluminum foil is fed It will cause creeping phenomenon, sometimes even make the roller turn; the heat sealer often sticks to the melted plastic, which affects the quality of the seal; if the lens of the electric eye sensor is stained with dust or dirt, it will cause the malfunction of the photoelectric control system. Fans and protective covers often accumulate dirt, affecting the exhaust and heat dissipation; the chain and sprocket are often coated with a thin layer of oil, which is also very easy to absorb dust, so it should be wiped and cleaned frequently to avoid machine failure.
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