Due to the cold weather in winter, the engine oil in the oil pan of the parked locomotive is prone to condense, and the water in the cooling system of the engine can only be heated. This does not solve the problem. Even if the engine can start a fire, it can cause axle accidents because the engine oil sticks too much. In addition, the long-time low-temperature diesel engine operation is also likely to cause axle problems. To prevent shaft accidents, you should do:

1. The engine oil pan must add winter oil. The locomotive with oil temperature control valve should adjust the oil temperature control valve to the winter position.

2. Warm the body and oil pan with a steam oven and crank the engine crankshaft before starting the engine.

3, can be installed in the engine oil pan heating tube or electric wire, using AC electric heating oil. It should be noted:

(1) When installing electric parts in the oil pan, be sure to achieve good insulation and no leakage.

(2) Continuous heating cannot be performed while heating, and the power supply should be stopped for a while to stop for a while, so as to prevent burnt deterioration of the oil due to the high temperature of the electric parts.

(3) Special personnel are responsible for this work, and the crankshaft is often shaken to increase the temperature evenly.

4, should be at the bottom of the engine with iron or canvas as a shield to keep the heat of the oil pan is not lost. At the same time, the engine cannot be operated at a low temperature for a long time and at a low speed so as to prevent the shaft from being held due to low oil temperature and high viscosity.

5. After the locomotive is shut down, the engine oil in the oil pan shall be warmed up. The engine oil shall be heated to 70~80°C the next day and then added to the oil pan. The oil filter should also be heated with hot water, and then Start the engine.

  1.Good safety of gelatin-free.The first lyophilized Varicella Vaccine, containing no gelatin from animals, invented and produced in China. Getting rid of gelatin from varicella vaccine can significantly decrease the ratio of anaphylaxis incidence .

2.Long validity period by good stability. The first approved varicella vaccine with 36 months of validity period in the world. Adopting BH-2 stabilizer with own IP rights (Chinese patent granted No.: ZL200910138411.6, International patent application No.: PCT/CN2009/001405) greatly enhances the stability of the product and ensures the validity period for 36 months under the storage condition.

3.Better protection with high titer and immune effVaricella Vaccineicacy. It`s documented that compared with the varicella vaccine of low titer, high titer vaccine can reduce breakthrough cases by nearly 75%  in vaccination. Of all released batches of Varicella Vaccine from BCHT, the titers are not less than 10000 PFU/dose tested by National Institutes for Food and Drug Control.

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