查询词典 carbon process

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。

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。

The change of the position of the benzene ring has little effect on γ cmc-The interfacial tension behavior of this series of alkylbenzenesulfonates with carbon number 14,16,18 was investigated in alkane/aqueous system, it is found that alkylbenzenesulfonates of 16 total alkyl carbon number is the best.

通过对单烷基苯磺酸盐和二烷基苯磺酸盐的降低界面张力能力的比较，结果表明附加基团在一定程度上可以改善烷基苯磺酸盐降低界面张力的能力，而且使达到最低界面张力所需的最佳碱度要小。

"Carbon dating:The determination of the approximate age of an ancient object, such as an archaeological specimen , by measuring the amount of carbon 14 it contains."

碳定年：通过测量古代文物，如考古标本中碳-14的含量，从而测定该古物的大致年代。

Wherein X represents a hydrocarbon group or hiydrocylhy-drocarbon group having 1 to 14 carbon atoms, a represents an integer of 1 to 6,b represents an integer of 1 to 5,R's represent a hydrogen atom,a halogen atom,a hydrocarbon group having 1 to 8 carbon atoms or an aryl,group independently from each other,and n represents an average number which is 1 to 10 and4,4'dihydroxybiphenyl,and having a softening point of not higher than 120℃,and not lower than 60℃.

其中x是一个油气组或hiydrocylhy-油气群有1至14个碳原子， a代表整数1到6，B代表整数1到5，R的是氢原子，卤素原子，烃类组有1至8个碳原子或一个芳，77独立于对方，而n是一个平均这个数字是1至10条和第4，4'dihydroxybiphenyl，并有软化点不高于120℃，不得低于60℃。

So if the old theory that we die with the heart cells we are born with is true, then people born before carbon 14 got into the food chain (nuclear testing didn't start until 1955) wouldn't have any carbon 14 in their heart cells.

如果根据心肌细胞不可再生理论，那么在C14进入食物链之前（1955年核试验开始前）出生的人心肌细胞内不会有C14，但事实并非如此，这些人的心肌细胞不仅含有C14，研究者还测定出了C14存在体内的时间。

Unlike the constituents of living organisms, fossil fuels contain little or none of the radioactive form of carbon: the carbon 14 isotope, which has eight neutrons in the nucleus rather than the usual six.

和生物体组成不同的是，化石燃料的放射性同位素碳14（原子核内有8个中子，一般碳原子只有6个）含量非常低，有些甚至没有。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。