Iodinated contrast comes in two forms: ionic and non-ionic compounds.
碘造影剂有两种形式：离子型和非离子型化合物。
Metal ionic compounds play an important role in fluorescent molecule switch.
金属离子络合物是荧光分子开关的一个重要组成部分。
The heats of formation of various ionic compounds show tremendous variations.
各种离子化合物的生成热显示出有很大的差异。
For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
Ionic liquid is a kind of liquid ionic compounds at room temperature. It was developed as a new green reaction medium.
离子液体是室温下表现为液体的离子化合物，近年来被开发成为一种新型绿色化学反应介质。
Some ionic compounds form crystals that in-corporate a definite proportion of molecules of water as well as the ions of the compound itself.
一些离子化合物形成含一定比例的水分子和离子化合物的晶体。
Most of the compounds containing polyatomic ions are ionic, as were the compounds discussed in the previous section.
大多数包含多原子离子的化合物是离子的，同上一节讨论的化合物。
At present, block copolymers containing PCL and PEG chains are mainly prepared by active ionic polymerization using traditional chemical catalysts, some toxic organometallic compounds.
然而，两亲嵌段共聚物的传统的制备方法是有机金属催化剂催化的活性离子聚合法，故产物中难免会残留有毒的有机金属催化剂。
The study on the factors influencing on the synthesis of these new compounds with ionic liquids is carried out.
研究了利用离子液体作为溶剂合成多金属氧酸盐化合物的影响因素。
The study on the factors influencing on the synthesis of these new compounds with ionic liquids is carried out.
研究了利用离子液体作为溶剂合成多金属氧酸盐化合物的影响因素。
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