化合物

Tin interlay increased the wetability of magnesium and aluminum under the condition of arc, reduced the mount of intermetallic compounds produced, but not prevented the formation of intermetallic compounds completely.

锡镀层增加了镁合金和铝合金之间的润湿性，减少了镁铝金属间化合物的数量，但是并没有完全阻止金属间化合物的生成。

Two solutions were proposed in this article. For the first, interlay was added to avoid the contact of magnesium and aluminum and the produce of the intermetallic compounds; for the second, laser- TIG hybrid welding method was adopted to reduce the contact period of magnesium and aluminum and the mount of intermetallic compounds produced.

本文提出了两种解决途径：第一，中间加入镀层避免镁和铝的接触，避免金属间化合物的生成；第二，采用激光—TIG复合热源焊接减少镁和铝接触时间，减少金属间化合物的生产量。

In addition to iodide and iodate, another iodine compound could be separated and detected in certain samples with high total iodine concentrations and was identified as elemental iodine, probably in form of triiodide, by peak matching.

在碘化合物总浓度很高的特定样品中，除了碘化物和碘酸盐，其他的碘化合物也可以被分离和检测，其通过峰匹配以三碘化物形式被做为元素碘检出。

A plausible charge distribution of Fe and Mo valence states is proposed, and the stability of the compounds is discussed. Polycrystalline samples of 〓(0.8≤x≤1. 5) are prepared by solid-state reaction at high temperature. The alteration of the relative content between Fe and Mo in 〓 exhibits a significant effect on the crystal structure and the ionic ordering of the compounds.

采用传统高温固相烧结反应法合成了非化学配比的双钙钛矿型〓系列化合物。X射线粉末衍射数据分析结果表明，非化学配比的双钙钛矿结构〓（0.8≤x≤1.5）系列化合物的晶体结构随着Fe含量x的变化在x=1.2附近有一个由四方14/mmm对称向立方Fm〓m对称的结构结构相变发生。

Isatin ramification activated plant resistance to TMV infection is mainly dependent and requires SA mediated signaling pathways as well as one or more unidentified factors activated by the compound.

蛋白质组分析表明，由化合物7诱导的蛋白磷酸化也与水杨酸诱导的相同。表明该化合物是植物防卫反应的外源信号分子，其激活的植物防卫反应依赖于SA途径。

Isinglass and other animal gelatin and its ramification.

硅、砷、二氧化硅、氯化物、溴化物及碘化物、稀土金属、钇、钪及其混合物、其他氯化稀土、碳酸稀土；柠檬酸、氨基酸酯及盐、氨基酸、有机硫化合物、双巯丙氨酸、甲硫氨酸、仅含有氧杂原子的杂环化合物，抗菌素，青霉素和有其结构的青霉素衍生物，链霉素及其衍生物以及它们的盐，四环素衍生物及其盐；鞋靴、家俱等的光洁剂、擦洗膏、明胶及其衍生物；鱼胶；其他动物明胶及其衍生物。

Compound 1 was first isolated as a natural substance, and compounds 2-6 were isolated from nidus vespae for the first time.

化合物1为首次分离得到的天然产物，化合物2~6均为首次从蜂房中分离得到。

Using 1,3-dicyanobenzene as a precursor, we have obtained two coordination polymer of rare earth metal bridged by isophthalato ligand, Eu complex (4) and Sm complexe coordinated (5). X-ray single crystal diffraction investigation confirms that complex 4 and 5 are isomorphous with near isostructural 〓 unit.

以1，3-苯二氰为前体，合成了两个新的稀土金属与间苯二甲酸根配体桥联的聚合物：间苯二甲酸根配体配合的铕和钐化合物，4和5.X-射线衍射结构分析表明化合物4和5均具有〓基本结构单元且两者结构类似。

Isoprenoid:Class of organic compounds made up of two or more structural units derived from isoprene.

类异戊间二烯化合物：由两个或多个异戊间二烯单元组成的一类有机化合物。

Therefore it is very important to explore the feadibility of clean synthesis lf complex compounds from a-oxo ketene dithioacetals

因此，以a-羰基二硫缩烯酮类化合物为合成子，探索复杂化合物的绿色合成方法将具有重要意义

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。