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- polar covalent compound 极性共价化合物
- A polar covalent bond happens when one electron has a stronger electrical attraction for the shared electrons than the other atom(s). 当一个原子对共享电子的电吸引强于其它原子时，形成极性共价键。
- optically active covalent compound 旋光共价化合物
- The two systems of government are polar opposites. 这两种政体正好相反。
- The Study of Applicability of Chemical Boond Theory in Small Covalent Compound 小分子共价化合物结构理论的适用性研究
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Keywords drug sterilization mechanism;chemical bond vibration;resonance;polar covalent bond;length of bacteria;wavenumber;wavelength; 药物杀菌机理;化学键振动;共振;极性共价键;细菌长度;波数;波长;
- Melamine is a small polar triazine compound. 三聚氰胺是一种三嗪类含氮杂环有机化合物。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- polar covalent bond 极性共价健
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- In covalent bonding, atoms share electrons. 在共价键联中，原子共有电子。
