want concentration of co2 in atmosphere lowered from 380 to 350 parts per million

parts per million carbon ppm

百万分率碳

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defect parts per million control chart

每百万缺点数管制图

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parts per million (applied to defective supplier parts)

零件的百万分比率（适用于供应商不合格零件）

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like many other governments, hong kong limits the level of melamine in food products to 2. 5 parts per million.

和其他很多政府一样，香港把食品中的三聚氰胺含量限制在2.5ppm以下。

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co2 levels stabilized at about 250 parts per million.

二氧化碳的浓度水平一直稳定在约百万分之250。

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as small as 200 parts per million will kill you.

百万分之二百这么小的量就能将你杀死。

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these levels are comparable to the 500 to 1000 parts per million of water in the earth's upper mantle.

这一水分含量堪比地球的上层地幔500到1000ppm的水含量。

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23 out of 28 products 82 percent contained formaldehyde at levels ranging from 54 to 610 parts per million (ppm).

28件产品中的23件-82%-甲醛含量在54至610百万分率（ppm）之间。

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but that never happened. co2 levels stabilized at about 250 parts per million.

可是这种情形根柢没有产生。二氧化碳的浓度水平一向不变在约百万分之250。

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we've developed a carpet that is continuously recyclable, down to the parts per million.

我们已开发了一种可持续循环利用的地毯，达到百万分之一的层次。

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what are your lead numbers typically on this product? do you offer a product with lead under 250 parts per million?

你们的典型产品的导数是什么？你们提供每百万250个配件用这个导数的产品吗？

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levels in rose's house were 28- to 30-parts per million. and that's serious.

经检测，卡波拉屋子中的一氧化碳水平为百万分之28至30，当时的情况非常严峻。

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global carbon levels are currently at 380 parts per million compared to 280 before the industrial revolution.

目前全球的碳含量是百万分之三百八十，而工业革命前是百万分之两百八十。

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the probiotics tests showed a density of plasticizer at 600 parts per million, far surpassing the taiwan daily standard of 1. 029 ppm.

益生菌检测表明塑化剂密度是百万分之600，远远超过台湾日常标准的百万分之1.

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the amounts the oca found were as high as 97. 1 parts per million, in a dish liquid.

亚奥理事会发现在一碟液体中1,4-二恶烷的含量高达百万分之97.

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reportedly, the environmental activist group found that herbal essences contained 24 parts per million (ppm) of 1, 4-dioxane.

据报道，环保活动家小组发现草本精华液里含有百万分之二十四的1,4-二氧六环。

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roughly speaking, every 30 billion tons of emissions raises co2 levels by around two parts per million (ppm).

大致说来，每300亿公吨的排放会使二氧化碳浓度升高百万分之二（2ppm）。

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so we've designed products and we analyzed chemicals down to the parts per million.

因此当我们设计出了产品，我们微量分析其化学成份。

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concentrations in sunlit soil might average about 1, 000 parts per million, the equivalent of roughly a quart of water per ton of material.

可以对平均百万分之一千的受阳光照射土壤进行压缩，相当于每吨物质中包含一夸脱的水。

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unless you're in a full body suit and have a fully sealed gas mask, two to three parts per million will kill you.

除非你身着全身套装并佩戴一个完全密封的防毒面具，否则仅百万分之二或三的毒气就足以将你置于死地。

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