查询词典 carbon

Carbon nanotubes were discovered by electron microscopist Sumio Lijima at NEC Corp. in Japan in 1991, when he was investigating the residue deposited during a process that synthesized fullerenes (a molecular form of pure carbon noted for its cagelike structures).

碳纳管是由日本nec公司的电子显微镜专家sumiolijima在1991年发现的，当时他在研究合成富氏碳分子（由纯碳原子组成的铁丝笼状结构的分子）工艺过程中沉积的残余物。

Soil organic carbon mineralization is closely related with carbon cycle in terrestrial ecosystem and global climate change.

土壤有机碳矿化与陆地生态系统碳循环和全球气候变化密切相关。

Because of their remarkable electric and mechanic features, highly active surface area as well as chemical modifiability, carbon nanotubes are considered to be very useful materials in nano-science and nano-technology, among which the composite materials of carbon nanotube-organic compounds have attention since these materials are bote inorganic and organic features together with the properties of the organic compounds.

在复合薄膜中，氧化了的碳纳米管充当"阴离子膜"，促进电活性物质与电极之间的电子转移。

Also, we can find that the diameter of carbon nanotubes affects the structure of Na nanowire obviously. In the carbon nanotube (4,4), the Na nanowire is monatomic linear strcture, while it is of helicity and larger diameter.

且碳纳米管的直径对纳米线的直径及结构有明显的影响，碳纳米管(4，4)中得到的纳米线为单原子排列的直线结构，而碳纳米管(6，6)中得到的纳米线则为直径较大的、带有一定螺旋性的线性结构。

By analyzing the calculation methods of acrylic nitrile reactor carbon balance, the factors that affect the calculation accuracy of carbon balance are defined.

通过对丙烯腈反应器碳平衡计算方法的分析，找出了影响碳平衡计算准确度的因素。

According to the point "some assumptions about steady state diffusion are valid when non steady state diffusion is studied"and carbon conservation law,the carbon contents' leaping condition is given.

按照"在研究非稳态扩散问题时，稳态扩散研究中的有些假定仍然是有效的"的观点，利用碳的守恒定律给出碳浓度的跳跃条件，结合扩散通量条件，推导结果发现这种内边界条件无法解决F／A界面上的迁移。

In one series of experiments, we observed the lengthening of the nine-carbon molecule nonyl thiol to form 10-carbon decanoic acid, a compound similar to the acids that drive metabolic reactions in living cells.

我们做过一系列实验，观察到九个碳的壬硫醇增长形成十个碳的癸酸，这个分子与细胞内驱动代谢反应的有机酸很类似。

The products were characterized by IR spectroscopy and TGA.The results indicated that the numerary ratios of carbon and alkoxy groups in two alkoxy derivatives are 55;1(C;OCH_3)and 76; 1(C;OC_2H_5),respectively.The existence of C-Br bonds promoted the alkoxidation of carbon nanotubes.

结果表明两种碳纳米管的烷氧基衍生物中碳与烷氧基的个数比分别为55∶1和76∶1，C-Br键的存在对碳纳米管与烷氧基的结合起着促进作用。

For the reduced atmosphere in excessively many carbon dioxide, to our each person, although our strength is limited, but we try to change itself, for instance fosters economize on electricity the custom, countryside Returning farmland to forest, does not overcut the forest, profession few marine pollutions and so on marine transportation, every year participates in the afforestation, little uses even not to use the disposable convenience wooden chopsticks, saves the paper, does not trample the lawn and so on these actual motions to protect the good green plants, causes them when carries on the photosynthesis to absorb more carbon dioxide to help the Earth to slow down the greenhouse effect.

为减少大气中过多的二氧化碳，对我们每个人来说，虽然我们的力量有限，但我们试着改变自己，比如养成节约用电的习惯，农村的退耕还林，不乱砍滥伐森林，海运等行业较少海洋污染，每年参加植树造林，少用甚至不用一次性方便木筷，节约纸张，不践踏草坪等等这些实际的行动来保护好绿色植物，使他们在进行光合作用时吸收更多的二氧化碳来帮助地球减缓温室效应。

The results showed that the content of total SOC,readily oxidizable carbon and particulate organic carbon decreased with increasing soil horizons,and the content in the depth of 0--10 cm and 10--20 cm under broadleaved forest was obviously higher than ...

结果表明：随土层深度增加，土壤总有机碳含量、土壤易氧化碳含量和土壤颗粒有机碳含量逐渐递减。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。