查询词典 carbon

You can reduce you carbon emissions,in fact, you can even reduce your carbon emissions to zero.Buy energy efficient appliances,like lightbulbs.

你可以减少你的二氧化碳排放，事实上，你可以把你的二氧化碳排放量减少到零。

Working with a captive breeding colony in Germany, Christian Voigt of the Leibniz Institute for Zoo and Wildlife Research in Berlin and Professor John Speakman of the University of Aberdeen fed long-tongued bats sugar containing non-radioactive carbon-13 and then measured the amount of carbon-13 in the bats' exhaled breath.

德国莱布尼兹动物园与野生动物研究所的Christian Voigt与阿伯丁大学的教授John Speakman一起共同进行了该项研究，他们用含有非放射性碳13的糖类食物来喂食长舌蝙蝠，然后检测蝙蝠呼出的气体中碳13的含量。

Pregnant women exposed to lead, benzene, toluene, xylene, ethylene chloroprene, mercury and mercury compounds, arsenic, cyanide, nitrogen oxides, carbon monoxide, chlorine, carbon disulfide, styrene, ethylene oxide, aniline and formaldehyde and other chemicals prone to pregnancy-induced hypertension syndrome, appears lower extremity edema, blood pressure, urine protein appeared, and there will be a serious headache, vertigo, chest tightness and other symptoms, or even convulsions.

妇女怀孕后接触铅、苯、甲苯、二甲苯、氯丁乙烯、汞和汞的化合物、砷、氰化物、氮氧化物、一氧化碳、氯气、二硫化碳、苯乙烯、环氧乙烷、苯胺和甲醛等化学物质容易患妊娠高血压综合症，出现下肢浮肿、血压增高、尿中出现蛋白，严重时会出现头痛、眼花、胸闷等症状，甚至发生抽搐。

The complexing properties of compounds 10a, 10b, 11a and 11b toward alkali metal ions were studied by 〓H NMR titration, ESI-MS, UV-Vis spectra, Fluoresence spectra and liquid-liquid extraction. The results show:(1) the 1:1 complexes were formed.(2) The calix-crown 10a, 11a have a higher selectivity for Na〓 ions, whereas 10b, 11b for K〓 ions.(3) The complexing ability toward alkali metal ions was enhanced when the calix-crown have side arm carbonyl.(3) The coordination of alkali metal ions toward phenoxy, carbonyl and crown ethereal oxygens take place by rotation around the carbon-carbon bond of carbonyl and methylene.

六，用〓H NMR滴定，ESI-MS，UV-Vis，Fluorescence，液-液萃取实验研究了10a，10b，11a和11b对金属离子的配位性质，研究结果表明：1）杯芳烃冠醚衍生物同碱金属离子形成了1：1配合物，化合物10a、11a对Na〓具有较高的配位能力，化合物10b、11b对K〓具有较高的配位能力；2）在杯冠醚环的旁边引入带有羰基氧原子的基团作为侧臂参与配位可以加强对碱金属离子的配位能力；3）金属离子分别同苯酚氧，羰基氧，聚氧醚链氧发生了配位，配位过程中侧链基团涉及到了羰基碳与亚甲基碳的碳碳键的旋转过程。

But its frequency bandwidth is in the middle (5) Metal nanotubes were prepared by heating metal-coated carbon nanofibers inthe air to remove carbon nanofiber templates.

5将镀层纳米碳纤维在空气中热处理，可以去除纳米碳纤维，获得纳米金属管。

In this paper, the processes of electroless Ni-P, Ni-Fe-Co-P and Ni-Co-B platingwere investigated by using graphite pieces as samples first, and then Ni-P, Ni-Fe-Co-Pand Ni-Co-B coatings were deposited onto carbon nanofibers by using the selectedelectroless processes. The composition, structure of the coatings and the properties ofthe metal-coated carbon nanofibers were also studied.

本文首先利用石墨基片研究了化学镀镍磷合金、镍铁钴磷合金和镍钴硼合金工艺，然后利用优化的化学镀工艺在纳米碳纤维表面镀覆了Ni-P、Ni-Fe-Co-P和Ni-Co-B镀层；研究了镀层的成分、结构以及镀层纳米碳纤维的性能。

The theoretical and experimental studies on metal-carbon-based hydrogen storage materials in recent years are reviewed in this paper, including metal-decorated carbon nanotubes,C60 and transition-metal-ethylene complexes, and so on.

随着计算材料学的发展，利用密度泛函和量子机制第一性原理研究已知材料储氢性能和寻找潜在的新型优良储氢载体已成为当前研究储氢材料的有效方法。

The gaseous monoxides nitric oxide and carbon monoxide, generated within the blood vessel wall, have been identified as important cellular messengers involved in the regulation of intracellular cGMP levels, platelet aggregation and smooth muscle relaxation, The mechanism by which carbon monoxide activates soluble guanylyl cyclase is similar to that of nitric oxide, and involves binding and dislocation of its heme-iron to induce a conformational change and activation of the catalytic site of guanylyl cyclase.

一氧化氮是体内最重要的气体信使分子，不仅是维持血管正常舒缩功能的重要介质，而且还有抑制单核细胞及血小板与内皮的粘附、聚集、抑制血管平滑肌细胞的增殖等作用。近年研究表明，内源性一氧化碳是体内另一个重要的气体信使分子，它是由血红素氧合酶氧化分解血红素产生的，具有与一氧化氮相似的生理功能。

Although the mode of carbon storage in the mantle is largely unknown, observations of microbubbles on dislocations in minerals from mantle xenoliths has led to the suggestion that carbon may be soluble in silicates at high pressure.

地球地幔中储存的碳的数量要比大气层和生物圈中碳的总量大几个数量级，所以，碳在地幔中的储存模式是全球碳预算中的一个重要问题。

The decomposition products of 64 per cent are solid, 36 per cent as a gas, and gas nitrogen, carbon monoxide and carbon dioxide.

其搀合产物的64％为不流体，36％为气体，而气体由氮气、一氧化碳和二氧化碳构成。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新