分布系数

Based on band types of Per.Est.and soluble protein,the authors caculated their genetic similar coefficient and genetic distance by using the formula of Forguson and Aquado ＆ Avise.

根据其中的PER、EST和可溶性蛋白谱带的分布特征，用Forguson和Aquado＆Avise的公式分别计算其谱带的相似性系数和遗传距离，以类平均法进行了聚类分析。

According to the effects of nonlinear potentials on symmetries and their strength distributions, one is able to predict the existing discrete breathers in a given system, which is real helpful to theoretical analysis and numerical calculation.

根据各非线性势能系数对解的对称性的影响以及不同大小的非线性势能函数对解的影响强度的分布，可以对特定系统中可能存在的离散呼吸子解进行预测。

Er concentration.2. With the analysis of the optical parameters calculated by Judd-Ofelt theory and the lifetime of ~4I_(13/2) of Er gotten in experiment, we investigated Y dopings dispertion effect and influence to the environment of Er .3. In the research of Er/Yb/Al co-doped laser glass, we fixed the Er:Yb at 1:6 and varied the Al concentration.

我们利用Judd-Ofelt理论，计算得到了Er/Y共掺玻璃的Judd-Ofelt强度系数、光谱质量因子、自发辐射弛豫率和能级寿命等光谱参数，并且给出了不同Y掺杂浓度下Er~(3 )离子的荧光量子效率；结合Er~(3 )离子~4I_(13/2)能级的荧光寿命，深入探讨了掺Y对高浓度Er~(3 )离子在硼硅酸盐玻璃中分布的弥散作用和对配位场环境的影响。

An investigation on radionuclide accumulation by native halophytes and its influencing factors,plant variety and parts,soil K content and profile contribution of radionuclide,was carried out for the feasibility of radionuclide phytoremediation at a radionuclide contamination site,in China.

本研究在某放射性典型污染区域取样，测量了该区域盐生植物及其生长土壤的137Cs含量，以生物富集系数为指标，分析了不同核素土壤分布、K元素含量等因素对BC值的影响。

Results show that heat conductivity and combustion time of microthruster unit are the main factors affecting growth of temperature and integration level.

结果表明，药室材料的导热系数和单元燃烧时间是影响温度成长和推冲单元分布的主要因素。

Larger heat conductivity and longer combustion time lead to less microthruster unit on a same area.

低导热系数和短燃烧时间有利于提高相同面积上推冲单元的分布数。

Get the average heat transfer factor and pressure distribution, comparing with the experiment data.

得到管壁表面平均换热系数及压力的分布，并与实验数据进行了校验分析。

The distribution form of isoline of displacement, velocity and acceleration in the section of the slope is remarkably affected by the slope angle.

坡度的变化对位移、速度、加速度放大系数等值线图的分布形式有明显影响。

The AC coefficients of an image's Discrete Cosine Transform are best approximated by Laplacian distribution model. Based on this model,the blind information hiding algorithm was proposed.

基于图像离散余弦变换交流系数的拉普拉斯分布模型，提出了一种盲提取数字图像信息隐藏算法。

Perona and Maliks work on anisotropic diffusion has been one of the most influential papers in the area.

基于偏微分方程的图像平滑技术研究领域中以Perona和Malik在系数各向异性分布方面的研究最有影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。