Polyaluminum chloride ( PAC ) were prepared from aluminum ash by one-step acid dissolution.

The addition of PAC has no obvious effect on resistance of membrane filtration.

粉末活性炭的投加对膜过滤阻力影响不大.

Acid-leaching reactor is the key instrument for preparing poly aluminium chloride ( PAC ) from kaoline.

酸浸反应器是高岭土制备聚合 氯化铝 (PAC ) 的重要设备.

How could anybody classify the likes of SPACE INVADERS and PAC MAN as art?

人们凭什么将类似《太空入侵者》和《帕克人》之类的东西定义为艺术.

You stayed home and played Ms. Pac-Man while l went to work like a chump?

等等,你这一整天在家玩游戏机而我像笨蛋一样去上班?

The application of a new PAC collector in copper mineral processing acopper mine was studied.

介绍新型PAC捕收剂用于某铜矿的选矿研究,采用优先浮选和混合浮选两个流程方案,均取得良好的结果,两种流程指标相近.

Discover the next meal in the PAC-MAN menu.

发现下一顿饭在 pac 人菜单.

The more the PAC adding the lower the resistance in membrane filtration will be.

粉末活性炭的投加量越多,膜过滤阻力也越小.

The result showed that adding PAC was not responsible for increasing resistance in membrane filtration.

试验表明,投加粉末活性炭不会造成膜过滤阻力的增加.

He gave up his job in advertising because he couldn't stand the pace .

他辞去了广告业的工作，因为他承受不了那种快节奏。

The computer will give students the opportunity to learn at their own pace...

计算机让学生们有机会按照自己的节奏学习。

He moved at a brisk pace down the rue St Antoine...

他沿着圣安托万街轻快地走去。

Many people were not satisfied with the pace of change.

很多人对变革的步伐不满意。

We encourage all students to work at their own pace (= as fast or as slow as they can) .

我们鼓励学生都按自己的节奏学习。

to set off at a steady/gentle/leisurely pace

以稳定的 / 徐缓的 / 悠闲的步子出发

She found it hard to keep pace with him as he strode off.

他大步走开了，她感到很难跟上他。

It was a tough race and I had to pace myself.

这是场艰苦的比赛，我不得不控制好节奏。

With four laps to go, he kept pace with the leaders...

还剩4圈的时候，他紧紧咬住领先者。

...people who prefer to live at a slower pace...

乐于放慢生活节奏的人

I prefer the relaxed pace of life in the country.

我喜爱乡间那悠闲的生活节奏。

The novel lacks pace (= it develops too slowly) .

这部小说缺乏节奏感。