查询词典 substitutions

The basis of nonreciprocal behavior is the Faraday effect, which can be controlled by varying composition and substitutions.

但由于其设计及制备技术的复杂性，这种光隔离器的实用化研究是当前的研究热点之一。

Especially, in the second exon two base substitutions had been found at positions +368 and +456. At position +368, the first result was in substitution of glutamine for arginine. While the second was homonymy substitution at position +456.

在第2外显子有2处碱基取代，分别是+368处的G→A，导致精氨酸→谷氨酰胺，及+456处的T→C，为同义取代，仍为丙氨酸；第5外显子+1572处的A→G，导致组氨酸→精氨酸。

The transcendental characteristic equation is converted into a polynomial equation at the imaginary axis without any substitutions.

针对具有单输入反馈控制的单时滞电力系统，提出了一种求解时滞稳定裕度的简便方法。

The transcendental characteristic equation is converted into a polynomial equation at the imaginary axis without any substitutions. This method needs less computation than the CTCR method.

该方法将含有指数项的特征方程在虚轴上转化为多项式方程进行研究，无需任何中间变量代换，处理方法简单，计算量小。

The HIF-1αcDNA sequence was almost the same as formerly reported lowlander HIF-1αmRNA sequence, except for substitutions of T by A at 3360nt and T by A at 3383nt.

世居高原藏族人HIF-1αcDNA序列与以往报道的平原人HIF-1αmRNA序列相比，其3360位T被置换为A而3383位T则被A所置换。

Diamino-3,5-dinitropyridine and 2,6-diamino-3,5-dinitropyridine-1-oxide was reacted with aqueous ammonia and KMnO4 under different conditions. Substitutions in the 4 position to the nitro group were obtained with high yields: 2,4,6-triamino-3,5-dinitropyridine (81.5%) and 2,4,6-triamino-3,5-dinitropyridine-1-oxide (85.4%).

以氨水为胺化剂，KMnO4为氧化剂，在不同反应条件下实现2，6-二氨基-3，5-二硝基吡啶和2，6-二氨基-3，5-二硝基吡啶-1-氧化物4位的氧化胺化反应，目标化合物2，4，6-三氨基-3，5-二硝基吡啶和2，4，6-三氨基-3，5-二硝基吡啶-1-氧化物的收率分别达到81.5%和85.4%。

Therefore, these substitutions have a very profound effect on the efficiency of an orthodontic practice.

因此，这些替代具有非常深远的影响效率的一个矫正的做法。

It is only used behind the scenes for simple variable substitutions when you create a new Pylons project directory with the paster create command described later in this chapter.

它只是当你用paster create命令创建一个新的Pylons项目目录，幕后简单的变量替换。

Then experiment data was suitably combined and variable substitutions were made, and polynomial of the improved Sellmeir equation was given to fit the experiment data.

对实验数据作适当的组合和变量替换，将修正的Sellmeir方程展开成多项式对实验数据进行拟合。

Because of fluoride substitutions and quinoxaline structures, two new compounds are electron deficient. With alkyl substituted fluorenes, the two new compounds both have good solubility.

新的化合物因为含有氟取代基和喹喔啉结构使得整个分子呈缺电子状态，同时烷基取代的芴使得材料具有良好的溶解性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。