查询词典 variation

Objective To study if variation of epinephrine concentration will result in the alteration in proliferation activity of rat epidermal cells.

目的 研究大鼠表皮细胞的增殖活性是否随肾上腺素浓度而变化。

The homology of the nucleotide sequences and genetic variation analysis of NDV strains suggested that mere were obvious divergence in gene lever among NDV vaccine strains and epizootic strains isolated from different areas and different ages.The divergence may have effect on amino acid and structure and function of protein in some extent and lead to difference of immunogenicity ,which was one of reason being difficult in preventing from ND.

通过对NDV F基因核苷酸序列同源性比较及遗传变异分析发现：我国不同年代、不同地区分离的NDV毒株与疫苗毒株之间在基因水平上存在较大差异，这种差异对氨基酸及蛋白质的结构和功能可能会有一定影响，而NDVF蛋白的差异同时也造成免疫原性的差异，这很可能是新城疫的免疫防治十分困难的原因之一。

At the latter consolidation stage, it was assumed that the water flow only depended on water pressure and was not influenced by the air. Then the independent continuity equation of water was set up to solve variation of water pressure with time. Besides, the water and air were regarded as mixed fluid, and the continuity equation of mixed fluid was set up.

在其后的固结过程中，假定水的流出仅仅取决于水压力，不受气的影响，单独建立水的连续性方程，解水压力随时间的变化；又将水和气看成混合的可压缩流体，建立混合流体的连续性，解混合流体压力随时间的变化。

Based on the continuity equation of groundwater and the normal velocity formula of free surface, taking element e as a subdomain R in the seepage flow domain R, according to variation principle, the finite element equation of seepage field can be obtained.

由地下水的连续方程和自由面的法向流速公式，把单元e作为渗流求解区域R上的一个子域ΔR，根据变分原理，得到岩土体渗流场有限元方程。

Compareing with the zonal wind at 30 hPa and 50 hPa, the new index shows its excellent performance with the closer association of variation in the new index with the equational temperature in stratosphere.

另外新的指数相对于比较常用的单层的30 hPa和50 hPa纬向风能够更加好的反映出平流层中低层以及平流层高层的温度的变化。

The comparison between experimetal and calculated results indicated that the simulation model and equilibrium phase diagram calculation can exactly describe the elements distribution law and predict microstructure variation near interface.

计算结果表明：该模拟方法能够准确描述热等静压扩散焊接过程中的元素浓度分布规律，同时能够预测扩散反应层内的微观组织变化。

In this paper, the variation of Roche's critical equipotential surface (namely the surface of zero velocity corresponding to the inner Lagrangian point, the constant of Jacohian integral being C = C2) in some close binary systems is discussed.

本文具体讨论了密近双星系统动力演化中洛希临界等位面(即过第二直线秤动点的零速度面)所涉及到的零速度面的变化问题。

Considering the variation of the equivalent instantaneous inductance, an new algorithm based on the normalized equivalent instantaneous inductance for the discrimination between inrush and fault current is creatively proposed.

另外，从分析等效瞬时电感的变化入手，创造性地提出了一种基于归一化等效瞬时电感分布特性的识别励磁涌流和故障电流的方法。

The operation was performed by one person to decrease operation error. Variation coefficient of each vertebral body and BMD was measured, and the smallest number of samples was evaluated.

由不同骨矿密度可得到各自的变异系数，由不同的变异系数可得到在保证研究结论可靠的前提下，课题研究所需的最少各自样本例数。

There are many factors leading to the occurrence of the error and the law of error variation is very complicated.

影响误差的因素很多且不断变化，误差产生的规律很复杂。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。