nut是什么意思

用法例句

A new method for determing calcium in nuclear grade sodium is investigated.

建立了核级钠中钙含量新的测定方法。

Under different initial concentration,using the method of maximum nucleation rate and the method of integral mean rate during nucleation,the crystal nucleation order of ammonium paratungsten (APT) is studied.

在不同初始浓度下,采用“最大成核速率法”和“成核期积分平均速率法”研究了仲钨酸铵(APT)结晶的成核级数。

It is a key point of developing nuclear component intelligent CAD system to represent multifarious knowledge of nuclear component design engineering codes/standards integrallty and exactly.

核级部件的设计必须满足相关工程规范标准的要求和规定,规范标准具有复杂的知识体系,使得如何表示工程规范标准的知识成为实现核级部件智能CAD系统的关键。