substitution的例句大全

Thiophene reacted with bromine and zinc to produce 3-bromothiophene via substitution and reduction reaction.

噻吩与溴、锌粉依次发生取代,还原反应生成3-溴噻吩.

The refining process of high-substitution hydroxyethyl cellulose ( H-HEC ) was researched.

研究了高取代度羟乙基纤维素 ( H-HEC ) 的精制工艺.

Study on the Relationship between Substitution Effect of Electronic Money and Money Supply

电子货币的替代效应与货币供给的相关性研究

We find that the equilibrium conductance varies in an oscillatory manner for the adulterant carbon wire and the even-odd behavior also exists with the different substitution site.

研究结果表明，对于混合碳链同样存在平衡电导的奇偶振荡，并且随着取代的位置不同，也会有奇偶振荡现象。

The Application of Chain Substitution to Commercial Management Information System

连锁替代法在商业管理信息系统中的应用

Hydroxypropylated tapioca starch with high substitution solution had shear-thinning nature.

高取代度羟丙基淀粉溶液具有剪切稀化性质.

We see immediately that after substitution the real part of each term is 0.

我们立即看出,在代换之后,每项的实数皆为零.

A test was done to evaluate the possibility of substitution of methyl bromide in tobacco field.

采用田间试验方法,研究了在烟草苗床上的甲基溴替代技术.

New version IEC 60947 3 standard low voltage switchgear and controlgear part 3: switches, disconnectors, switch disconnectors and fuse combination units was introduced. It will be substitution for 1990 version IEC 947 3 same name standard.

本文介绍了1999年新版IEC609473《低压开关设备和控制设备第3部分：开关、隔离器、隔离开关以及熔断器组合电器》标准，它将替代1990年版IEC9473同名标准。

In this paper is reported for the first time a new nucleophilic substitution reaction; substituting a secondary nitramino group on the aromatic ring with an azido group.

本文首次报告了叠氮基取代芳环上仲硝胺基的新亲核取代反应。

A chemical compound containing the azido group combined with an element or radical. Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.

叠氮原子团和一种元素或一种基结合形成的一种化合物。大多数连于芳核能被直接取代的基团仅限于重氮盐。

That is to say, aporia is directed to the boundary, without passage or step, displacement or substitution.

这就是说，绝境就是指向界线，没有通道、步伐、位移或替代。

What does the aphasic substitution reveal about how words are likely to be stored in the brain?

失语症患者的词语替换体现了单词可能是以何种方式存储在大脑中的？

In this study, the whole research data was limited in archaea to examine whether a difference exists between substitution patterns in different domains.

本研究为了检验氨基酸替代模式是否在生物域间存在差异，我们将研究数据局限于古细菌生物域。

This paper analyses some problems that should be paid attention to during the construction of anti-seismic structure, suct as mechanical properties of reinforcement 、 substitution of reinforcement 、 binding of column tie and anchorage of beam reinforcement at frame joint 、 tied reinforcement splice joint.

本文分析了抗震结构钢筋工程施工中，钢材材质、钢筋代换、框架节点处柱箍的绑扎及梁纵筋的锚固、钢筋接头设置等方面应注意的问题。

The ZnO and Cu product can be obtained through ammino complexation and method of substitution.

研究采用氨络合转换方法，制备了医用或化妆品活性氧化锌等产品。

Research on Carbon Substitution Ways in Biological Activated Carbon Filter

生物活性炭滤池的换炭方式研究

The Study in Import Substitution during 1949-1978 in China

1949-1978年中国进口替代政策研究

Comparison of the Import Substitution Strategy and the Export Guidance Strategy

进口替代战略和出口导向战略之比较

The Import Substitution in Our Country's Ancient Foreign Trade

我国古代对外贸易中的进口替代