异构的

A soft,steel - gray to black,hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel,used in lead pencils,lubricants,paints,and coatings,that is fabricated into a variety of forms such as molds,bricks,electrodes,crucibles,and rocket nozzle s.

石墨一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管

High performance liquid chromatography, carbon-13 nuclea magnetic resonance, chemical ionization mass spectrometry and gas chromatography with flame ionization detection have been employed for the identification and quantitative deter mlnation of the epimers of amygdalin.

高效液相色谱法、carbon-13 nuclea 磁场共振电离质谱、化学品与气相层析法，以氢火焰离子化检测被用来识别和定量的威慑 mlnation差向异构体的苦的。

But in the process of ion exchange, xylose molecular is easily converted into arabinose because of catalytic isomerization, which results in the decrease of its purity and difficulty of crystal.

木糖是一种在化工、食品等领域有着广泛用途的五碳糖，工业生产是用稀强酸将玉米芯中含有的大量多缩戊糖分解为单个的木糖分子，然后通过离子交换除盐、脱色，精制提取，但在强碱离子交换柱中，木糖分子容易被部分催化异构转化为阿拉伯糖，使得木糖纯度下降，结晶困难。

The application service platform of Argo in South China Sea", which is designed and developed based on the framework, can integrate heterogeneous data services and application services in distributed environment, and can provide users with transparent,"o...

基于该框架，开发设计了"中国南海Argo数据应用服务平台"，该系统可以集成分布式环境中，基于异构平台的数据服务和应用服务，可为用户提供透明的、"一站式"的Argo数据Web应用。

Distributed object technology is a good solution of software development and integration,but traditional invocation models based on distributed objects restrict the application of distributed object technology in high performance distributed computing due to the lack of asynchronism .

分布对象技术是分布异构环境下软件开发和系统集成的良好解决方案，然而在高性能分布计算领域，传统调用模型在异步特性方面的不足限制了分布对象技术在该领域的应用。

The map between XML and relation database is especially described, and analyses the technology of data exchange between heterogeneous base on XML.

然后讨论了XML数据库和关系数据库以及数据交换的基本概念和相关知识，特别论述了XML与关系数据库间的映射，分析了基于XML的异构数据库间数据交换技术。

Camphene is widely applied to synthesize spice and medicament asimportant chemical material.At present,the main source of camphene is theisomerization of turpentine which is abundant in Guangxi Province.

莰烯是重要的化工原料，广泛应用于香料合成、药物合成等领域；目前莰烯的主要来源是松节油的异构化，而广西盛产松节油。

Seventhly, the effect of reuse of HY zeolite on isomerization reaction wasstudied.The results were as follows:when the HY zeolite was used many timescontinuously, the conversion rate of pinene dropped down markedly, but theselectivity of camphene fell no more.

7HY型沸石分子筛的重复使用对异构化反应的影响的结果指出，HY型沸石分子筛连续多次重复使用，蒎烯转化率显著降低，但莰烯选择性没有明显降低，其经烧炭再生能重复利用。

These two oils each contain limonene and carvone, but each oil contains a different isomer of these chiral compounds.

这两种精油各自都含有柠檬烯和香芹酮，但每种精油都是由具有不同手性的柠檬烯和香芹酮的异构体所组成的，在这个实验课中，学生会接触到真空蒸馏操作。

It was shown that the phenyl site index of straight chain alkylbenzene isomers and low-carbon alkylbenzenes is a useful topological index and can be applied to structure- property correlation.

结果表明：直链烷基苯的异构体和低碳烷基苯的苯基位置指数作为一种拓扑指数，可应用于结构-性质相关关系的研究。

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。