碳

In order to solve the problems of aging of dope and Weather fastness energy balance,we have researched and developed the impregnant dope of tetracopoly merization,which constitute mainly.

引言含氟聚合物的碳氟键离解能比碳氢键离解要大得多，而碳氟键的键长又比碳氢键短，所以氟树脂有良好的机械性能、优异的耐化学品性、优良的热稳定性、耐侯性以及高度不粘性和低的磨擦系数。

They are widely applied in the construction of C-C bond.

在构建碳碳键的过程中应用十分广泛。

In this thesis,we study the electronic transportproperties in some carbon nanotube structures,and analyze the conductance and lo-cal electronic structures in these systems. The results are discussed and interpreted indetail.

本论文对碳纳米管结构的输运特性进行了研究，主要分析了碳纳米管相应结构体系的局域电子结构和电导，并对得到的结果进行了详细的讨论和解释。

The number of hexagon carbon ring with different polimerity index in the structural representation of fullerene cages Cn, x, y, z and u are solution for indeterminate equation HPI=(Ax+By+Cz+Du)/.

在富氏碳笼的结构表达式中，不同聚合度的六边形碳环的数目x，y，z，u是由不定方程6x+5y+4z+3u=3n-120决定的，该文给出了方程的求解方法。

There are three categories of maturity indicators of organic matter in current petroleum industry to evaluate the degree of thermal evolution for source rocks, including: 1 optical indicators, i.e., vitrinite reflectance, bitumen reflectance, sporopollen color and thermal alteration index, conodont color alteration index, and reflectance of fossil fragments; 2 chemical indicators, i.e., the maximum temperature in pyrolysis of organic matter, methyl phenanthrene indicator, the atomic ratio of H/C, carbon isotope indicator, and biomarker indicators; 3 indicators of spectroscopy, i.e., the free radical concentration of kerogen, the average structural scale of aromatic nucleus of kerogen, and the laser-Raman spectrum of organic carbon.

摘 要：当前常用的有机质成熟度指标包括3大类：1 光学指标，包括镜质体反射率、沥青反射率、孢粉颜色、热变指数(thermal alteration index， TAI)、牙形石色变指数(color alteration index， CAI)和生物碎屑反射率；2 化学指标，包括有机质最大热解峰温度、甲基菲指数(methyl phenanthrene indicator， MPI)、H/C原子比值、碳同位素指标和生物标志物指标；3 谱学指标，包括干酪根的自由基浓度、干酪根芳核平均结构尺寸和有机碳激光拉曼光谱。

The main purposes: high-temperature vacuum graphite induction furnace is mainly used for a carbon-carbon-graphite composite materials processing.

一、主要用途：真空高温感应石墨化炉主要用于碳一碳复合材料的石墨化处理。

If this series is equipped with an infrared CO2 controller,the carbon potential of furnace atmosphere can be controlled and recorded automatically.

可配用KRQ-W系列微机碳热控制柜，实现炉温、碳势、时间、有机液流量的自动控制及记录满足多种热处理工艺。

The influence of the crystal structure and texture of graphites on the kinetics of lithium intercalation is analysed in this paper.

本论文的研究结果为深入研究各种纳米碳管的嵌锂机理提供了可行性依据，揭示了纳米碳管具有很高的理论研究价值。

Carbon nanotubes are used to solve this problem effectively in this project. As controlled DC voltage is applied to the CNTs electrode, the sharp tips of CNTs can generate high electric fields, so it was easy to ionize gas and get larger current at lower voltages.

纳米碳管的出现有效地解决了该问题，在外加直流电压激励下，纳米碳管的尖端会形成很强的非均匀电场，在电压相对较低的情况下能很容易地电离气体且获得较大的放电电流。

The process can convert over 95% isobutylene in C 4 olefin into diisobutylene or isooctene in the present of acid cation exchange resin catalyst,and partial 1-butylene also take part in the reaction.

介绍了一种混合碳四烯烃叠合利用的预反和催化蒸馏组合技术，该技术以酸性阳离子交换树脂为催化剂，可以将混合碳四烯烃中的95%以上的异丁烯叠合反应生成二异丁烯和异辛烯，且部分正丁烯也参与二聚或共聚。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。