This method was adaptable to complex HEN, and could guarantee a more controllable HEN for production.
该法适用于大型复杂换热网络，满足生产控制要求，并能保证整个换热网络具有较高的可控性。
A new process of such kind similar to superplastic deformation was proposed and hen put into production of heavy-wall stainless steel elbow successfully.
提出了一种近似超塑变形的扩径推弯成型方法，并成功地用于厚壁不锈钢弯头的生产。
Objective: to observe the inhibitory effect of anti-streptococcus mutants Hen egg yolk (IgY) on production of acid by streptococcus mutants.
目的：观察不同糖源对变形链球菌(变链)生长产酸的影响。
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