empirical formula

While in a similar condition, it is effective to apply the empirical formula for engineering design.

在工程设计中,当条件相近时, 直接用该公式设计是可行的.

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Based on the above analysis, an improved empirical formula for calculating the penetration resistance is suggested.

在此基础上, 提出了改进的计算沉贯阻力的经验公式.

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The timbering parameters of lane were determined according to timbering engineering empirical formula.

根据工程经验公式确定巷道支护参数.

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The empirical formula for velocity decay was obtained by use of theoretical analysis.

通过理论分析给出了风口速度衰减的经验公式.

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The main research methods include empirical formula, physical simulation, numerical simulation and field measurement.

主要的研究方法有经验公式法 、 物理模拟 、 数值模拟和现场实测.

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For example, compounds having the empirical formula R 2 SiO would be named a ketone.

例如, 分子式为R2SiO的化合物被命名为酮.

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Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight.

适当的化学性质资料, 比如结构式, 经验式和分子量等.

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We don't suppose that this empirical formula is applicable to all machining operations.

我们认为这一经验公式不能适用于所有的加工工序.

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At last an empirical formula, based on the grey - system theory, is obtained.

得出自己的建立在灰色系统理论基础上的经验公式.

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Last is the empirical formula this is the simplest ratio of atoms in a molecule.

第三种是经验式,仅仅给出了分子中各原子间最简比.

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