查询词典 structural formula

The influence of arrangement of the anti-sideways elements on the structural tor- sion was discussed. The formula of structural torsion stiffness was given. The method to decrease the structural torsion effect was found.

考察了抗侧力构件布置对结构扭转效应的影响，给出了结构抗扭效应近似计算中扭转刚度的计算公式，通过参数分析，分析了结构抗扭刚度的影响因素，指出了减小结构抗扭效应的途径。

The methods of IR and others were carried on in order toverify the structural formula of XN. The validation of analytical procedures wasconducted according to quality standard of XN in supplement of ChinesePharmacopoeia in 2002. The results show that the structural formula of XN isright and XN can be analysed in accordance with the quality specification of ChP.The results of three lots repeat tests show that the optimal process for XN wasrepeated excellently and quality of products is stable and controllable.

所合成的烟酸占替诺经红外分光光度法等波谱测定，证明其结构正确；经检验方法学验证，确证该产品适用于按《中国药典》质量标准检验；经三批次重复验证试验，结果表明优选的烟酸占替诺合成工艺重现性好，所得产品质量可控，收率为91.1%，接近文献报道的最高收率。

In this paper, after taking over coupling effect between electronic spin and orbital angular momentum, to revise the formula of electronic angular momentum in Bohr's theory, and electronic speed formula is obtained in a single-electron system, and to correct the energy level formula of atomic orbit in Schr? dinger's method by relativistic effect, the theoretical improving formula is built for spectrum fine splitting calculation, the calculated values are in good agreement with experimental ones, and reflect changing law of spectrum fine splitting values.

本文在考虑了电子的自旋角动量与轨道角动量的耦合作用后，通过对Bohr理论中的电子运动角动量的修改，推导出单电子体系的电子速度公式，结合对Schrdinger的原子轨道能级表达式相对论效应修正，从而得出本文的氢及类氢离子光谱精细结构值的理论计算公式，应用此改进公式，所得的计算值与实验观测值符合得很好，计算结果也反映了氢及类氢离子光谱精细结构数据变化的规律性。

METHODS: C57BL/6J mice (15/group) were respectively received mash as AIN-93G formula, or 1% cholesterol supplemented AIN-93G formula, or 1% cholesterol and 14% long chain triglyceride rich in myristic acid supplemented AIN-93G formula, or 1%cholesterol and 14% MCT (caprylic acid/capric acid: 3/1) supplemented AIN-93G formula for 6 weeks.

分别用AIN-93G配方饲料，含1％胆固醇的AIN-93G配方饲料，含1％胆固醇和14%富含豆蔻酸的长链甘油三酯的AIN-93G配方饲料，含1％胆固醇和14％的中链甘油三酯的AIN-93G配方饲料喂养C57小鼠6周，每组15只。

By academic analyzing, it is concluded that two order discrete paraxial approximation formula of the paper, multiple transmitting formula and polynomial extrapolation formula are the different forms of continuous paraxial approximation formula, so they are with nearly equivalent precision and stability and with equivalent applicability and limitation.

据此文献[3]将傍轴近似公式归结为一类从特定的无限域模型导出的人工边界条件，并且提出了新的从一般无限域模型导出的具有普适性的、称为"多次透射公式"的局部人工边界条件。那么，是否也可以从一般无限域模型导出具有普适性的傍轴近似公式呢？

Combining Inclusion-Exclusion principle with Disjoint Sum of products formula,the new formula contains terms which correpond one by one to a class of special subnetworks. For a given newtork,terms of new formula are fewer than those of corresponding stryanarayna formula. Finally,an example illustrates our conclusion.

该公式本质上是将容斥原理公式和不交和公式融合在一起，公式中各项和网络的一类特殊子网络一一对应，与相应的Satyanarayanna公式比较，该公式包含更少的项和更少的算术运算，并给出一个算例验证上述这个结论。

Lagrange interpolation focus on the application of the formula .The comparison between the method of Transform and that of Lagrange's interpolation formula in square matrix form is made. Also the form of Lagrange's interpolation formula is generalized to include the double root case.The application of the generalized lagrange's interpolation formula in square matrix to solving state equations is found to be effective.

重点介绍了Lagrange插值公式在状态方程求解中的应用，用对角矩阵及相似矩阵的性质证明了，当状态转移矩阵中方阵的特征根相异时，拉格朗日插值公式与Laplace变换法对表达具有一致性，并用极限方法对方阵含二重根时拉格朗日插值公式的应用进行了推导。

Both upper bound formula and lower bound formula of the global truncation error of Euler method have been derived theoretically.After making certain approximat e processing,the derived upper formula changes into current upper bound formula.

从理论上推导出了欧拉方法的整体截断误差的上限公式和下限公式，作一定的近似后，得到的整体截断误差上限公式就变为现用的整体截断误差上限公式。

Tz summation formula and an extension formula of Sears\' terminating balanced _4Φ_3 series transformation formula and an extension involving multiple sum about finite Heine\'s _2Φ_1 transformation formula are given.

应用推广后的算子，我们给出了q-Paff-Salschütz和公式的推广、Sears终止型的4Φ3变换公式的推广以及多重的有限(来源：a5ABd7C论文网www.abclunwen.com)Heine 2Φ1变换公式。

Though blocking computing matrix,it can decrease the calculation amount of matrix multiplication.Meanwhile,the different simplified formats are presented when computing Duhamel integration with Trapezium formula、Simpson formula、Cotes formula and Gauss formula.

通过分块计算矩阵，能够减小矩阵乘法的计算量，同时分别给出了利用梯形公式、Simpson公式、Cotes公式、高斯公式计算Duhamel积分时的不同简化格式。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。