China requires that incinerators discharge no more than one nanogram of dioxin per cubic metre. The European Union sets a standard that is one-tenth of that amount.

中國要求垃圾焚燒爐所排放的二惡英每立方米不超過一毫微克裸体偷拍91视频，歐盟的標(biāo)準(zhǔn)則是這一標(biāo)準(zhǔn)的十分之一久久久久久精品免费免费hd。

Monitor Memories are made of this 記憶是這樣煉成的 Sep 3rd 2009 From The Economist print edition Computing: Memory chips based on nanotubes and iron particles might be capable of storing data for a billion years 計(jì)算機(jī):毫微管和鐵粒子造存儲(chǔ)芯片,數(shù)據(jù)保存能達(dá)十億年 FEW human records survive for long, the 16,000-year-old Paleolithic cave paintings at Lascaux, France, being one exception.

人工記錄很少能長期保存。

What makes the technique so durable is that the particle's repeated movement does not damage the walls of the tube.

這項(xiàng)技術(shù)之所以能使信息如此長時(shí)間地保存是由于鐵粒子的反復(fù)運(yùn)動(dòng)不會(huì)磨損毫微管的管壁六大免费黄色网站。

In the common tree shrew, they found an average of 1 nanogram of EtG per milligram of hairalmost 60 times the level that is considered a sign of excessive drinking in humans, the researchers report today in the Proceedings of the National Academy of Sciences.

研究人員今天在國家科學(xué)院學(xué)報(bào)上匯報(bào)說国产真实破苞在线无码师生，普通的樹鼩每1毫克頭發(fā)中平均含有1毫微克EtG，幾乎是確定人類喝多了時(shí)的EtG水平的60倍鸥美免费黄片观看。

If you have some 8 wt gear or larger, you can least begin to get your feet wet.

如果你有齒約800毫微克或更大超碰在干，你可以得到你最開始濕腳。

As part of the 2007 RoboCup in Atlanta, Georgia, a new fleet of bots debuted in the Nanogram Demonstration competition in July.

今年7月日本一区二区欧美亚洲国产，在佐治亞州亞特蘭大市舉行的&2007機(jī)器人足球世界杯&毫微克演示比賽中国产亚洲高清喷水AV，一支由機(jī)器人組成的新球隊(duì)首次亮相。

Vitamin D insufficiency is frequently defined as less than 30 nanograms per milliliter of blood of the 25-hydroxy form the major storage form - 25(OHD of the vitamin and deficiency as less than 20 nanograms per milliliter of 25-hydroxyvitamin D .

維生素D不足往往是界定為不超過30毫微克每毫升血液中的25羥基形式（主要的存儲(chǔ)形式-2 5 d ）項(xiàng)和缺乏維生素的不到2 0毫微克每毫升2 5羥基維他命

At most of the points, the group recorded less than 20 nanograms of PFOA per liter of river water, but it reached 456 nanograms in the Ina River in Hyogo Prefecture and 140 nanograms in the Yodo River in the city of Osaka.

在大多數(shù)監(jiān)測(cè)點(diǎn)99爱免费视频最新版本，檢測(cè)表明：每公升水中求在线视频你懂的，PFOA的含量為20毫微克，在Hyogo的Ina河中含量為140毫微克黄片观看无码在线，而在大板的Yodo河中含量高達(dá)456毫微克日本黄色一级小视频。

At most of the points, the group recorded less than 20 nanograms of PFOA per liter of river water, but it reached 456 nanograms in the Ina River in Hyogo Prefecture and 140 nanograms in the Yodo River in the city of Osaka.

大部份檢測(cè)表明，每公升水中无码在线视频一区，PFOA的含量為20毫微克激情在线播放，在Hyogo的Ina河中含量為140毫微克，而在大板的Yodo河中含量高達(dá)456毫微克精品一区二区在线视频。

While the bots measured up to a few hundred micrometers in length, they were considered "nanoscale" because they weighed from only a few nanograms to a few hundred nanograms.

雖然這些機(jī)器人身體全長達(dá)幾百微米操干网在线，但它們?nèi)员灰暈?amp;納米級(jí)&機(jī)器人，因?yàn)樗鼈冎挥袔?strong>毫微克到幾百毫微克重俄国精品一区二区在线观看。