Agricultural Machinery Adjustment and Fuel Saving:
1 Adjust the valve clearance. The intake and exhaust valves are adjusted before and after the top dead center of the exhaust stroke to ensure the valve timing by reducing the valve clearance.
2 Adjust the fuel advance angle. The adjustment of the optimal fuel feed advance angle of the diesel engine should be adjusted appropriately with changes in the environment. The fuel feed advance timing assembly directly affects the power and fuel consumption of the diesel engine. For example, the feed advance angle of the SI95 oil machine should generally be controlled at 16-20.
3 Adjust the fuel injection pressure of the injector. The injection pressure of the 195 diesel fuel injector is (1205) kg/c. According to testing, when the injection pressure is lower than 100kg/cm2, the fuel consumption increases by 10-20g/(kw?h). In order to maintain the normal injection pressure of the injector, the pilot should periodically perform test adjustments on the injector.
Reasonable use of equipment for fuel economy:
1 Regularly maintain the air filter, diesel filter, and oil filter.
2 Replace lubricants as scheduled.
3 Fill the fuel as required.
4 Operate multiple farm implements in parallel under possible conditions, and try to increase the work scope of the implements.
5 Select the appropriate gear and throttle operation. When light load, use the high gear and small throttle.
Centrifuge tubes are precision-made, high-strength tubes of glass or plastic made to fit exactly in rotor cavities. They may vary in capacity from 50 mL down to much smaller capacities used in microcentrifuges used extensively in molecular biology laboratories. Microcentrifuges typically accommodate disposable plastic microcentrifuge tubes with capacities from 250 μL to 2.0 mL.
Glass centrifuge tubes can be used with most solvents, but tend to be more expensive. They can be cleaned like other laboratory glassware, and can be sterilized by autoclaving. Small scratches from careless handling can cause failure under the strong forces imposed during a run. Glass tubes are inserted into soft rubber sleeves to cushion them during runs. Plastic centrifuge tubes, especially tend to be less expensive and, with care, can be just as durable as glass. Water is preferred when plastic centrifuge tubes are used. They are more difficult to clean thoroughly, and are usually inexpensive enough to be considered disposable.
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