查询词典 carbon

Most of this is then absorbed by so-called carbon sinks, a mixture of photosynthesising plants and chemical precipitation, while a small amount remains to contribute to the rise in carbon-dioxide concentration that has been going on for the past 150 years.

大部分的二氧化碳气体，被所谓的碳吸收物体所吸收，其中所夹杂着砍伐植物，降化学性质的雨，同时一些小部分的因素仍然导致二氧化碳的排放量在过去的150年内所升高。

Moreover, the activated carbon has strong plasticity. It means that the properties of activated carbon can be reformed by kinds of pretreatments.

对活性炭载体进行预处理的作用，除了在一定程度上改变了活性炭的比表面和孔结构等物理性质之外，最大的作用是在活性炭表面引入了有利于钯前驱体吸附的功能性离子或基团。

Particularly bearing steel, gear steel, spring steel, the steel mold, seamless steel tubes, and other leading products in domestic and international reputation, there are 35 products were Guoyou, Buyou, provincial distinctions, which, carburizing bearing steel, high carbon Chromium bearing steel and steel gear at the national Jinpai Jiang, single-sided Dual Chamber of flat steel country Silver Spring; GCr15 chromium bearing high-carbon steel products physical quality reached the international advanced level; G20 carburizing steel bearing the identification of Japan and Japan Co., Ltd., That reached the international advanced level, the Beijing plant south of locomotives and rolling stock as Mianjian products;∮ 130 mm specifications over four mooring chain is the only steel through the American Bureau of Shipping, Det Norske Veritas, Lloyd's Register, and other well-known international classification societies of the certification and licensing production of varieties.

特别是轴承钢、齿轮钢、弹簧钢、工模具钢、无缝钢管等主导产品在国内外享有盛誉，有35项产品获国优、部优、省优，其中，渗碳轴承钢、高碳铬轴承钢和齿轮钢分获国家金牌奖，单面双槽弹簧扁钢获国家银奖；GCr15高碳铬轴承钢产品实物质量达到国际先进水平；G20渗碳轴承钢经日本东洋株式会社鉴定，认为达到了国际先进水平，被北京南口机车车辆厂视为免检产品；∮130mm规格以上四级系泊链钢是国内唯一在通过美国船级社、挪威船级社、英国劳氏船级社等国际著名船级社的认证和许可批量生产的品种。

Below 800℃, oxidation rate of fine-grain carbon/ceramic composite was controlled by reaction of carbon with oxygen.

由于细粒炭／陶复合材料具有致密的微观结构，低的孔隙率以及较高的热导率和机械强度，所以具有较高的抗热震性能。

Its strength is higher than carbon fiber, and its quality is lower than carbon fiber and glass fiber.

它的强度比碳纤维高，密度比玻璃纤维、碳纤维都小，热膨胀系数低，抗疲劳性好，在一些特殊的应用领域里具有不可替代的作用。

The reaction is assumed to be most likely initiated by an electrophilic addition of NO〓 to the carbon atom of carbon-nitrogen double bonds.

二者的不同之处在于：酮腙C=N双键上不存在H，可通过消去NH上的质子，生成硝基偶氮化合物。

Early production of activated carbon materials for the timber, hard shell or animal bones, and later the main use of coal, by dry distillation, activated carbon after activation production methods are:① steam, gas activation.

早期生产活性炭的原料为木材、硬果壳或兽骨，后来主要采用煤，经干馏、活化处理后得到活性碳生产方法有：①蒸汽、气体活化法。

Exposure to industrial or environmental chemicals such as carbon monoxide or carbon disulfide can also have this effect.

暴露于工业或环境化学品如一氧化碳或二硫化碳也可以有这种效果。

Based on these studies,the technique of preparation process was set and optimized.Lots of 2 kg,20 kg,2500 kg activated carbon were prepared and used in trial to produce DESC with 0.047-1.0 F SEC.Results showed that the activated carbon met the demands.This study offered theoretical basis and feasible technique for domestic production of DESC plate materials.

在此基础上确定和优化了制备技术路线并分批制备了2、20、2500 kg的活性炭，经使用单位试制静电容量0.047-1.0法拉双电层电容器表明，所研制的活性炭满足要求，为双电层电容器的电极板材料国产化提供了理论依据和可行的技术路线。

Acetic acid soluble in water, alcohol, ether and carbon tetrachloride, insoluble in carbon disulfide.

乙酸易溶于水、醇、醚和四氯化碳，不溶于二硫化碳。

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。