查询词典 parts per million

We have found that, contrary to previous expectations, carbon solubility in olivine is exceedingly low—of the order of 0.1 to 1 parts per million by weight.

对在高达4Gpa的压力下碳在橄榄石中的溶解性所做的新的测定表明，与以前的一些说法相反的是，地幔碳存在于地幔深层一个单独的碳酸盐相中。

As an aid to osmoregulation, salt may be added in a concentration of 0.5-1.0%(or 5-10 parts per million-ppm).

作为一个援助渗透调节，盐可能会增加，在浓度0.5-1.0 ％（或5月10日部分每100万-百万分之一）。

As an aid to osmoregulation, salt may be added in a concentration of 2-3 ppt (or 0.02-0.03 parts per million: ppm).

作为一个援助渗透调节，盐可能会增加，在浓度2-3的 PPT （或0.02-0.03百万分之：百万分之一）。

Today, we're at 385 parts per million and rising.

现在大气中的二氧化碳含量是385 ppm ，而且还在上升。

I can detect and identify pheromones at three parts per million.

我能 发现并识别出百万分之三的信息素。

Most fish like the water to be soft, which is between 50 to 200 parts per million.

大多数鱼类一样，水要软，这是50至百万分之200 。

He said it was high as defined by Chinese standards which was above 0.3 parts per million.

他说这种元素的含量比中国政府的规定的标准百万分之0.3稍高。

Parts per million is a measure of concentration that is used where low levels of concentration are significant....

每百万件是一个集中用于低浓度水平实验的重要参照标准，也是一种重要的实验方法。。。。

Sensitive nostrils can smell traces, in parts per million, of substances in the water.

敏感的鼻孔闻到每个部分中的跟踪中水的物质的万元。

However, conventional wisdom is that lead thresholds may be lowered to below 100 parts per million.

然而普遍认为的是，铅含量的标准将会被降至百万分之100以下。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。