查询词典 carbon

We can see copper-bearing asphalt amygdaloidales in the basalt lava and stockwork of native copper in the carbon-rich tuff. There area so much carbon in the ores that people only can see the native copper aggregate after splitting and polishing the ores.

最近，在该熔岩层上下的凝灰岩中鉴别出难识别矿化类型，即与沥青和有机质碳紧密伴生的富铜矿石，甚至在气孔状熔岩中发现呈杏仁体含铜沥青，因而可能构成大规模矿化。

The experimental results show that the molar ratio of carbon monoxide to carbon dioxide in the reacting mixture is frequently equal to unity hence the reaction scheme may be stoichiometrically represented as follows

实验证明：反应气体中一氧化碳与二氧化碳的摩尔比接近于1；苯氧化生成顺酐的反应是并串联反应，各反应级数均为准一级；并求出了各反应的活化能和指前因子。

A novel carbon-sulfur nano-composite as cathode for lithium battery was synthesized by heating sublimed sulfur and high surface area activated carbon in certain conditions.

用该复合材料作为正极活性物质所制备的锂蓄电池具有较好的循环性能和高的比容量、比能量。

Raman spectrum and UV-vis-NIR absorption spectrum show that the above procedure does not change the electronic structures of single-walled carbon nanotubes. Moreover, the infrared spectrum confirms the formation of amide bond between ammonium sulfamate and carbon nanotubes.

Raman光谱和UV-vis-NIR吸收光谱表明，上述处理过程没有改变单壁碳纳米管的电子结构；此外，红外光谱的研究说明氨基磺酸铵与碳纳米管是通过酰胺键连接起来的。

Sulphonated carbon materials made from glucose were used as the solid acid and the support of Fe(superscript 2+) in the Fenton reaction, and the effects of the structure of carbon materials prepared by different methods on the Fe(superscript 2+) loading and the degradation efficiency of methyl orange were measured.

以葡萄糖为原料制备的磺化碳材料作为Fenton反应过程中固体酸及载体，研究了磺化碳材料结构对Fe(上标 2+)的负载能力及其对甲基橙降解反应的催化性能。

The general plot of the program is: The challenge of energy crisis and climate change is like a surfy ocean, while the human being is a group of passengers in a boat travelling across the ocean; the fancy first-class cabins are occupied by belly grown-ups (representing developed countries whose carbon footprints have far exceeded the world's per capita level), and on the contrary, hurdled in the tourist-class cabins are the youngsters without money in their pocket (representing developing countries whose carbon footprints are small but will enlarge with the growth of their body).

节目的大意是：能源和气候变化的挑战如同波涛汹涌的大海，而人类如同海上航行的一条船的一群乘客；享用高等级舱位的是大腹便便的成人（代表发达国家，其碳足迹远超世界人均水平），而拥挤在普通舱中的是囊中羞涩的少年（代表发展中国家，其碳足迹小，但随着身体的发育会有所增加）。

The contents of total organic carbon and humic acid carbon in the soil from stone pit were markedly higher than that of the soils from rocky ditch, swallet or stone cavern.

结果表明：喀斯特石漠化区阔叶林土壤有机总碳含量和腐殖酸碳含量明显高于灌木林、灌草丛和稀疏草丛，而土壤水溶性有机碳含量的变化则相反；喀斯特森林退化后，土壤有机碳的累积量减少、流失量增加；喀斯特小生境土壤有机总碳和腐殖酸碳含量存在明显的水平空间变异：石坑＞石沟＞石缝＞石洞。

It is an indispensable aspect for confirming the content of carbon on earth, making clear karst dynamics system, and the global geochemistry process of carbon cycle, and the reasons of content of CO_2 increase in atmosphere, and the various cause of syndromic disaster in recently years.

深大断裂的深源CO_2释放作用研究是一项非常重要和有意义的工作，它对于确定地球的含碳量，弄清岩溶动力系统、碳的全球地球化学循环过程、大气中CO_2含量增加的原因以及近年来多种并发性灾害的成因都是不可缺少的方面。

Carbon dioxide, the terminational oxidation product of carbon andcarbon—compounds, was significant in the comprehensive utilization of carbonresources and the control of environmental pollution.

CO2作为碳及含碳化合物的最终氧化产物，无论是从碳资源综合利用角度，还是从环境污染控制来讲，研究开发其转化利用具有极为重要的意义。

In optimal condition, the biosurfactant concentration can reach 2.2g/L in 150h with 20g/L tetradecane as sole carbon source, the biosurfactant concentration was stable at 165~220mg/L with 20g/L crude oil as sole carbon source.

4在优化条件下，以20g/L十四烷为碳源，培养150小时，糖脂表面活性剂浓度可达到2.2g/L，以20g/L石油为唯一碳源，糖脂浓度稳定在165～220mg/L。

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。