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1·Also provided a group of dynamic pouring process parameters, by which we can greatly abate the specific gravity segregation.

同时给出能减轻比重偏析的最优动态浇注工艺参数组合。

2·A group of centrifugal pouring process parameters has also been provided, by which we can greatly abate the specific gravity segregation.

同时给出能减轻密度偏析的最优浇注工艺参数组合。

3·The planetary-type mixer has superb features such as fast mixing speed, short mixing cycle, high mixing uniformity and none gravity segregation.

行星式混合机具有混合速度快，混合周期短，混合均匀度高，不偏析的优越性能。

4·Squeeze casting can not only improve the gravity segregation and distribution of the chemical constitution of the cast but also the microsegregation of bar-shaped ZA27 alloy.

挤压铸造使棒状ZA27合金铸件的比重偏析有所改善，铸件成分分布更加均匀。挤压铸造可以明显改善棒状ZA27合金铸件的显微偏析。

5·Natural gas in wellbore is a mixed gas consisting of various gas. Due to molecular weight of all kinds of gas is different, they will occur gravity segregation under the action of gravity field.

井筒内的天然气都是由多种气体组成的混和天然气，由于气体各组分的分子量不同，会在重力场作用下发生重力分异，从而使井筒内混和气体的性质与单一气体有很大差异。