有害

It is very important to determine and control the content of cupric ion in the nickel bath in practice.

镀镍溶液中的铜离子是一种有害的金属杂质，检测和控制其在镀镍液中的含量十分重要。

Surgery to remove tissue or growths from a bodily cavity by scraping with a curette.

用手术刀剔除体腔里的有害细胞组织。

You can customise the system so that all the information is within reach, while harmful content is inaccessible.

您可以自定义系统，使所有的资料是可以达到，而有害的内容是无法使用。

The paper discussed release possibility of toxic and harmful elements during gold mining.It presented the major envi-ronmental problems that are cyanidation setups and Acid Mine drainage during gold mining.

本文主要对金矿开采中有毒有害元素的释放进行了探讨，明确了在金矿开采过程中主要的环境问题是氰化物堆浸和酸性矿坑排水问题。

Conventional alkaline cyanide zinc plating process was compulsively restricted for its emission of toxic and hurtful substances and harm to the environment and human being.

原有的碱性氰化物镀锌工艺存在有毒有害物质排放及对人体的伤害，被国家强制限制。

We also discussed this unusual reaction process and proposed a reasonable "one method,two paths" mechanism.These novel iodine-mediated oxidative cycloadditions provide a rapid and efficient route to the preparation of a variety of spiro dihydrofuran and cyclopropane derivatives.

该反应不使用昂贵的催化剂；反应过程中不使用有毒有害的有机溶剂，对环境友好；反应时间短，收率高；在相同条件下得到不同结构的产物，这提供了一种新型的合成二氢呋喃和环丙烷结构的环化反应。

Stress can be extremely damaging to your health.

压力对你的健康会是非常有害的。

Confucius said: There are three kinds of beneficial friends and three kinds of damaging friends.

孔子说：有益的朋友有三种，有害的朋友也有三种。

Instead of using my damaging information to get in their good graces, I decided to make war.

而不是使用我的有害信息，以取得他们的青睐，我决定把战争。

Graphite Classic网球拍 Double Bridge: Clear dampener inserted between two parallel graphite bridges reduces string and frame vibration.

双桥：在两个平行碳素横梁中间插有透明阻尼器，以减少球线和球拍的有害震动。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。