查询词典 carbon

Although benzene is often represented with alternating single and double bonds between carbon atom s, the electrons in the bonds are shared or delocalized in such a way as to make all carbon-carbon bonds alike.

虽然往往把苯描绘成碳原子之间按单、双键交替排列，但事实上键中的电子是共享的，或者说是非定域的，其结果是使所有的碳原子都是等同的。

By using a mean field approximation, the process of lthium intercalation into carbon materials was analyzed theoretically. GICs with less than 4 stage form when lithium intercalates into graphite by electrochemical methods. The capacity of lithium intercalating into carbon materials depends on the energy dispersion of lithium site in carbon.

通过平均场近似从理论角度分析了锂在石墨材料和碳素材料中的电化学插入过程，结果表明：锂插入到石墨中一般只形成4阶以下插层化合物，容量可达到LiC〓；而在碳中锂的插入量，根据锂可插入位置能量分布不同，一般小于锂在石墨中的插入量。

The results show that the deposited boron from boric acid has catalytic-graphitization effect on carbon fibers through high temperature treatment, which enhances the graphitization property of carbon fibers and meliorates the surface state of carbon fibers.

结果表明：硼酸通过高温热处理过程所分解的硼对炭纤维起到了有效的催化石墨化作用，显著提高炭纤维的石墨化性能，改善炭纤维的表面状态，从而有效地促进CVI过程中炭纤维表面沉积较高织构热解炭。

Prognosticated dimensions to investigate from the period of year, the overground amount of organic carbon on unit area is big, the underground soil organic carbon on unit area is biger.So,Tamarix is one of important carbon sink at arid land.

从年周期观测尺度来考察，单位柽柳林面积中的碳蓄积量较大，林下土壤中的碳蓄积量更大，因此，柽柳是干旱区重要碳汇之一。

Carbon nanotubes—hollow, tube-shaped lattices of carbon atoms—can be used to make a mechanical memory that works by bending the carbon filament up or down to make or break a connection between two electrodes.

碳纳米管能用于制造机械的存储器，它通过上下弯曲碳丝从而接通或断开两个电极之间的连接而工作。

Carbon dioxide emissions in the process of cotton-growing are around 1 kg; Carbon dioxide emissions in the production from cotton to ready clothing are about 1.5 kilograms; Carbon dioxide emissions in transportation process from cotton fields to factory, then to retail end are about 0.5 kilograms.

买件衣服也会增加碳排放？买件衣服也会增加碳排放？听起来不可思议，可这就是现实。棉花种植过程中排放的二氧化碳约为1千克；从棉花到成衣的制作环节会排放1.5千克；从棉田到工厂再到零售终端的运输过程排放的总量约为0.5千克

Induction Furnace Carburizing Furnace;■ cupola furnace by carbon;■ process by double-carbon;■ steel package with the flow of hot metal by carbon.

感应电炉炉内增碳；■冲天炉炉内增碳；■双联工艺增碳；■炉前铁水包随流增碳。

According to the single-walled twist structures obtained by carbon arc discharge with TAMF and the cylinder-shaped structures obtained by carbon arc discharge with ACMF, both of them have never been reported by other researchers at present, that is, they are newly discovered carbon nanostructures.

在阳极添加钴粉作为催化剂的条件下，通过外加纵向磁场还可以得到一种空心筒状的新结构，它的形成可能是纵向磁场和催化剂共同作用的结果。

External magnetic fields were introduced to arc in liquid for the first time, in order to control the arc shape and the directionality of carbon particles. The primary control of carbon nano-products was realized, and some novel carbon nano-structures were obtained, such as single-walled twist structures and cylinder-shaped structures.

首次引入外加磁场来控制液体中电弧形态和碳粒子的运动方向，实现了对产物中碳纳米结构的初步控制，并得到了一些新颖的碳纳米结构，如单壁管缠绕结构和空心筒状结构。

The effect of boric acid on carbon fiber properties and thermal conductivity of carbon carbon composites was investigated by dipping preform in boric acid before pretreatment.

在预制体炭纤维预石墨化前对其进行硼酸处理，研究硼酸对炭纤维性能，C/C复合材料导热率的影响及其作用机理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。