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- Natural soil is not rigid-plastic body, so limit analysis just only a semi empirical method. 然而天然土体并非刚塑性体,如果实际的土体离开刚塑性假设太远,则极限分析设计原则就只能当作一种半经验的方法采用。
- One carbon unit transfer reaction of imidazolinium with 1,2 diaminobenzene has been studied with PM3 semi empirical molecular orbital calculations in this paper. 叶酸辅酶在酶催化的一碳单元转移过程中具有重要的作用,已有大量的实验及实验模拟对其生物学功能进行了研究分析。
- Summarize empirical equation to make the nonprofessional people understand and be able to calculate. 总结经验公式,让非专业人员能易懂、会推算。
- The empirical equation of single granule collection efficiency by impaction was established based on the experiments. 在实验的基础上,得到了计算单个颗粒惯性碰撞收集效率的经验方程式。
- This paper gives a theoretical study on several polycyclic arene electroluminescent(EL) materials. their geometric configurations have been optimized by semi empirical RHF/PM3 of quantum chemistry. 采用量子化学半经验方法(RHF/PM3)对几种稠环芳烃化合物电致发光(EL)材料的性质进行了理论研究。
- And the ideal solution model and a empirical equation were applied to correlate the solid-liquid equilibrium data. 氯化钠溶液中的溶解度,并对实验数据分别采用理想溶液模型和经验方程进行了关联。
- With the electroviscous effect and extension effect of polyion, this empirical equation has been discussed. 用“电粘滞效应”和聚离子链伸展效应对经验式进行了讨论。
- An empirical equation describing the relationship of elastic modulus and compressive strength of RAC is obtained. 建立了再生骨料混凝土弹性模量与立方体抗压强度的相关关系式。
- Empirical equations are frequently used for column designing. 通常设计柱体采用经验公式。
- The empirical equation W=ASB was used to fit water holding capacity of four kinds of agricultural soils in loess Plateau. 黄土高原四种主要农业土壤的水分特征曲线并无明显的平台或拐点产生,其关系能够很好地用Garden经验方程(W=AS~(-B))进行拟合。
- In addition,the denomination of universal equation given in Ref.[1] is oppugned,and it is better regarded as the empirical equation. 对文献[1]中“通用方程“的叫法提出了质疑,指出称为经验公式比较合适。
- Monde’s formula which calculates the CHF was rewritten in another form ,an empirical equation calculated the location of the dryout was obtained. 把Monde计算临界热流密度的公式经过一定的变形,得出干涸点长度计算的经验关系式。
- In addition, the denomination of universal equation given in Ref. [1] is oppugned, and it is better regarded as the empirical equation. 对文献[1]中“通用方程”的叫法提出了质疑,指出称为经验公式比较合适。
- Usual methods of computing tunnel surge water amount include: theoretical formula method, numerical method and empirical equation method. 常用计算隧道涌水量的方法,一般说来有理论公式法、数值计算法和经验公式法三大类。
- In p-MOSFET, we have derived an empirical equation which can be used to extrapolate the 10 years operating voltage under a specified temperature. 负偏压温度效应的实验我们得到可用来推测元件在指定的温度下可操作十年时的工作电压的经验公式。
- Keywords TEOS hydrolysis mechanism semi empirical Sol Gel; 正硅酸乙酯;水解机理;半经验方法;溶胶-凝胶;
- In practical work, new sample data is often obtained continually, so these new data can be joined the empirical equation of regression by using recursive formula, and form a dynamic forecast system. 在实际工作中,往往会不断得到新样品数据,可利用递推公式不断地把新信息加入到经验回归方程中去,以构成一个动态的预测系统。
- Finally by means of capillary bundle model, the empirical equation is given to describe the non-Darcy filtration features in single facies fluid of low permeability oil reservoirs. 最后通过毛管束模型给出了描述低渗透油藏单相流体非达西渗流特徵的经验方程。
- During the research of stress sensitivity damage of low-permeability sandstone gas pool, natural cores are used for the experimental analysis, and empirical equation between absolute permeability and affective pressure is given. 在研究低渗透砂岩气藏的压力敏感性损害过程中,利用天然岩心进行压力敏感性实验,分析实验结果,得到了绝对渗透率与有效压力之间的经验方程。
- In the simulation of concrete temperature field, the thermal parameters which are usually acquired by the experiment or the empirical equation may not always consistent with the actual situation. 摘要在大体积混凝土温度场仿真计算中,热力学参数通常由试验或经验公式获取,与现场实际可能存在较大的出入。