This paper describes a capillary column gas chromatography method for quantitative analysis of an 0.8 % solution of transfluthrin repellent.
本文描述了用毛细管气相色谱对0.8%四氟菊酯驱蚊药液的定量分析方法。
Methods the acidity of the solution and preparation method of reductant were changed, and the optimum analysis conditions were discovered.
改变溶液的酸度及还原剂的配制方法,找出最佳分析条件。
The LZ algorithm presented in this paper makes possible the solution of the multiple regression analysis problems in management prediction without turning to the commonly used method of least squares.
本文提出的LZ算法,使管理预测中所涉及的多项目回归分析问题,无需采用最小二乘法就能得到解决。
The theoretical analysis and computational examples show that the initial feasible solution obtained by the method is satisfactory, which can provide good bounds in branch and bound procedures.
理论上的分析和计算的例子表明用这种方法得到的初始可行解是令人满意的,嵌入分支定界法可以提供好的界。
This paper discusses the reasons of this problem analysis and solving method, it for other similar type units with the solution of the problem has a certain significance.
本文论述了对此问题原因分析和解决方法,它对于其它同类型机组同类问题解决具有一定的借鉴意义。
The quality control of AAS measurement such as the test preparation, the standard solution and sample preparation method, the sample analysis and the data processing were introduced.
介绍原子吸收光谱法检测过程中实验准备、标准溶液和样品制备方法、样品分析及数据处理等几个环节的质量控制措施。
According to the raised analysis theory and the simplex method principle, proposed an assignment problem linear programming solution.
根据凸分析理论和单纯形法原理,提出了指派问题的一个线性规划解法。
The analysis example shows that this method is reasonable and has more precise in numerical solution.
算例表明,这种方法不仅可行,而且具有较高的数值求解精度。
The method can effectively reduce the amount of the potential solution, and gain lots of available emergent phenomenon to analysis.
这一方法可以有效地缩小问题解空间,获得大量有用的涌现行为供用户分析。
A new approximate iterative approach, QDA method, for the steady solution of flexible mechanism is put forward, based on the finite element analysis on the distributed parameter model.
在以分布质量为模型的仃限元分析基础,上提出了一种用以求解弹性机构稳态解的新的迭代近似方法(QDA方法)。
On the basis of non linear finite element method, fundamental equation and solution of pneumatic membrane structure finite element analysis are put forward.
以非线性有限元法为基础,提出充气薄膜结构有限元分析的基本方程及解法。
The example analysis indicates that the proposed explicit solution to the acceleration factor for general slice method is correct and the proposed method is reasonable and effective.
算例分析表明,所给一般条分法的加速度系数显式解是正确的,所给方法是合理有效的。
In a word, the method is one of the effective solution methods for large-scale structural dynamic analysis.
总之,该方法为一种有效的大型结构动力分析问题的求解方法。
These formulae can be used as an approximate basic solution when the integral equation method is employed for the analysis of piles and other geotechnical engineering problems.
当用积分方程法分析桩和其它地学工程问题时,这些公式可以用作一近似的基本解。
Theoretical analysis and case study show this method can guarantee the network to converge to non inferior solution of the multiobjective linear programming.
理论分析和实例研究证明,该方法能保证网络收敛于原规划的非劣解。
The experimental instrument, sample preparation and determination method of the trace element Se in solution by total reflection X-ray fluorescence analysis are described in this paper.
本文叙述了用全反射X荧光分析方法测定溶液中微量硒的实验装置、制样技术和测定方法。
Lastly, the perturbation boundary element method is verified against the analytical solution and is applicable to transient pressure analysis of arbitrarily shaped reservoirs.
与解析方法的对比表明,本文的扰动边界元方法计算精度很高,适用于任意形状非均质油藏的不稳定压力动态分析。
Regardless of the method of analysis, system suitability criteria should be described. Blank and standard solution spectra or chromatograms should be included.
无论是用什么分析方法,都应当要有系统适应性实验,并要有相应的合格标准。还应当要有空白溶液和标准溶液的光谱或色谱图。
It analysis the connotation and the suitable condition of every method, and discusses the failure condition and the solution of relational analysis.
对各种分析方法的内涵和适用场合进行了详细的分析,并对关联度分析中容易引起的失效条件和解决方法进行了研究。
The theory and solution of the lever analogy are systematically given, and the method is generalized to become a common one of dynamic analysis for planetary transmission.
系统地给出了杠杆模拟法的理论和应用方法,并将该方法推广成为行星式变速器动力学分析的通用方法。
Newton Raphson method was introduced into the FEM analysis model in order to ensure that the solution of each iterative step would converge by means of satisfying some restrictive condition.
在有限元分析模型中引入了牛顿迭代法,以使每一时间步长的末端温度满足某一限制条件而平衡收敛。
Iintroduce basic calculation idea of ventilation network nodes analysis method and numerical solution on circuit wind flux method.
简要介绍了网络节点法求解的基本思想和回路风量法的数值解法。
The metol content and the hydroquinol content in developer solution were analyzed by potential spectrum method. During this analysis, two components were continuously titrated at the same time.
采用一种新的化学分析方法电位波谱法分析显影液中的米吐尔和对苯二酚的含量,在研究过程中实现了这两种成分的连续滴定分析。
The calculated results accord with the classical theoretical and experimental solution, therefore, the method provides a new and feasible way for local stability analysis of stiffener penstocks.
计算结果可以较好地与经典的理论解及试验结果相吻合,为加劲环式压力钢管局部稳定性问题分析提供了一种新的可行方法。
According to the finite element analysis of heat conduction with phase-change by using the enthalpy, an effective numerical method to eliminate the solution of iteration is presented.
通过对采用热焓处理相变导热问题的有限元分析,提出了消除迭代求解的一种有效算法。
The failure reason came out through analysis on operation condition in failure tube and related inspection, and the protection method and solution was given.
经过对失效炉管运行状况的分析及相关检测找出了翅片管泄漏的原因,并提出了相应的防护措施。
Using the homotopy analysis method, the approximation solution is obtained.
利用同伦分析方法,得到了该模型的近似解。
In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.
以矩形槽为例,分析求解渡槽最优纵坡,提出了渡槽最优水力要素的计算步骤和计算方法,所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。
In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.
以矩形槽为例,分析求解渡槽最优纵坡,提出了渡槽最优水力要素的计算步骤和计算方法,所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。
应用推荐