查询词典 Oxygen

The strongest attraction between two dipoles is when one or both of them involves a bond between hydrogen and a strongly electronegative atom, like oxygen, fluorine, or nitrogen.

氢键：氢键是极性很强的X－H键上的氢原子与另外一个键上电负性很大的原子上的孤对电子相互吸引而形成的一种键。

Bond'.'' consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent ''.

一种化学键：由两个负电原子及其间的氢原子组成，其中一边是共价键，另一边是离子键。

Atom'.'' between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond.

负电'。''''。'原子'。''及其间的氢原子组成，其中一边是共价键，另一边是离子键。

A chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond .

一种化学键：由两个负电原子及其间的氢原子组成，其中一边是共价键，另一边是离子键。

This difference can be readily accounted for on the greater electronegativity of oxygen, which polarizes the O-H bond.

这种差别很容易用氧的电负性较大，因而它极化了 O-H键而进行解释。

This difference can be readily accounted for on the greater electronegativity of oxygen which polarizes the O-H bond.

这种差别很轻易用氧的电负性较大，因而它极化了 O-H 键而进行解释。

Like the grains of sand on a beach, it is made mostly of silicon , next to oxygen the most abundant element on the surface of the earth.

像海滩上的沙粒一样，它的主要成分是硅——地球表面除氧之外蕴含量最为丰富的元素。

The processes involved in the production of reactive oxygen species in Arabidopsis thaliana cell-suspension cultures in response to an elicitor from Fusarium oxysporum are investigated in the present work.

涉及的过程产生活性氧在拟南芥细胞悬浮培养反应激发从枯萎的调查，在目前的工作。

In order to understand its ecological adaptability, Iodimetry which can be measured the oxygen content in the water is undertaken to determine the Elodea nuttallii's light compensation point under the temperature of 10℃、15℃、20℃、25℃ and 30℃.

为了解其生态适应性，采用碘量法测定水中含氧量来研究它在10℃、15℃、20℃、25℃和30℃的温度下其光补偿点的变化。

By experiment it was found that the production of oxygen of Elodea nuttallii's telome through photosynthesis had curved correlation with the temperature and illumination, while negative linear correlation with pH.

本文研究了温度、pH值、光照三种环境因子对伊乐藻光合作用的影响，实验得出伊乐藻顶枝光合作用的产氧量与温度、光照呈曲线相关，与pH值呈线性负相关。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。