Effects of derivation time, extraction time and amount of derivation agent on the recovery were discussed.
对样品的衍生化反应时间、萃取时间和衍生化试剂用量对回收率的影响进行了详细的讨论。
By the derivation, calculation and illustration it is testified that the that of stroke, transmission efficiency, linearity and life time meet the design requirements.
通过推导计算与实例证明，该驴头的行程、传动效率、线性度和寿命都满足设计要求。
Theoretical derivation indicates that time averaged three-order cumulant of signals, which are from(random) phase harmonic processes, is nonzero and its one-dimension slice is also a harmonic process.
理论推导表明，随机相位谐波过程时间平均三阶累积量为非零值，而且其一维切片仍然是谐波过程。
These definitions form the basis for derivation set tracing. At the same time, they are the criterion for verifying the result of tracing.
这些定义和概念是跟踪起源集的基础，也是检验跟踪结果的依据。
The improved formula not only has the more simple form for the derivation of the function, but also much less computer time than the Lagrange method.
与常用的拉格朗日插值方法相比，改进后的公式不仅一阶导数形式简单，而且计算量也小得多。
Since no approximation is made in the derivation of the time-delay optimal controller from the mode-controlled equation, the system stability is easy to guarantee.
因在由控制模态方程推导时滞最优控制律的过程中无近似处理，所给控制方法易于保证控制系统的稳定性。
Porosity and rock strength of formation had got by utilizing mathematics model of porosity and rock strength which base on acoustic time have big derivation with actual situation.
现有基于声波时差的孔隙度及岩石强度计算模型反演出的地层孔隙度及岩石强度信息与实际地层偏差较大。
The introduction of the concept of the temperature-time integral avoids complicated mathematical calculation in the derivation. A very simple and convenient formula of the thermal conduct...
在推导过程中，由于引入了温—时积分概念，避开了复杂的数学运算，导出了极为简便的导热系数计算公式。
The introduction of the concept of the temperature-time integral avoids complicated mathematical calculation in the derivation. A very simple and convenient formula of the thermal conduct...
在推导过程中，由于引入了温—时积分概念，避开了复杂的数学运算，导出了极为简便的导热系数计算公式。
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