Concerned parents held a meeting.

Study on catalytic synthesis and synthetic process of mixed alcohol glycidyl ether

混合醇缩水甘油醚的催化合成及其工艺研究

Influence of Iron on Activation of Catalyst of Synthetic Methylic Alcohol

铁对合成甲醇催化剂活性的影响

Study on Density-temperature Coefficient of Synthetic Fatty Alcohol

合成脂肪醇密度温度系数的实验研究

Effect of Chemical and Physical Properties of Cu/ ZnO Catalyst on Synthetic Alcohol

Cu/ZnO系合成醇催化剂的物化性质对其反应产物的影响

The Gas chromatography analysis for liquid products of synthetic methyl alcohol was introduced.

介绍了合成甲醇液相产物的气相色谱分析方法。

My brother is working on the railroad.

我兄弟在铁路系统工作.

Are you working on this side of the city?

你在城市的这一边上班吗？

While I was working on my letter the telephone rang.

我正在写信，电话铃响了。

Nature seems to unfold to people who watch and wait ．

大自然似乎是对那些善于观察和等待的人敞开怀抱。

Too intimate friendship is liable to turn to the negative side against people's wishes at last.

过于亲密的友情,最终很容易走向双方愿望的反面.

However, this freedom soon revealed a negative side – an increase of sexually transmitted diseases.

可是, 这种自由不久就暴露了其负面的作用——性传播疾病的增加.

But this turbo-charged investment has had negative side-effects that make it hard to sustain.

但是这种“涡轮增压式”的投资带来了负作用,使其难以为继.

Tip: add a thin brighter outline at the negative side a shape.

提示: 在外形的另一侧添加一点光亮的轮廓.

And this effect has both active side and a negative side.

这一影响包括积极的影响.也包括消极的影响.

Please refer to negative side of relevant value of operation condition.

参考有关运转条件数值之页面.

On the negative side, the concepts of activation and arousal are rather amorphous.

从消极方面说, 引发和激发这两个概念是很难以捉摸的.

The new world is just beginning to unfold; and you contributed unto this.

新的世界正在开始展现, 而你已对它做出贡献.

Prevents the noxious gas pollution source and so on environmental protection aspect investigations also to unfold.

防止有害气体污染水源地等环保方面的调查也已铺开.

Only in the love of those who do not serve a purpose, love begins to unfold.

只有在不掺杂个人目的的爱中, 爱才开始显露出来.

So I face acne to unfold.

于是我脸上的痘痘开始肆虐.