查询词典 chemical process

Rotary kiln calcine capital equipment, cement of grog, there are dry process production and wet process production, have already been used such trades as metallurgy, chemical industry, etc.

技术参数回转窑是煅烧水泥熟料的主要设备，可分为干法生产和湿法生产，亦已被广泛应用冶金、化工等行业。

Petroleum refining process are highly complex and integrated. The unique characteristic set them from other chemical process.

原油蒸馏过程是高度集成和复杂的，其独有的特点使它和其它的化工过程区别开来。

Polymerization process is a kind of typical chemical process.

聚合过程是典型的化工过程。

Propylene oxide is an important chemical intermediate. At present, the industrial production of PO includes mainly Chlorohydrin process and Halcon process.

环氧丙烷是一种重要的工业原料，目前工业上生产环氧丙烷的方法主要有两种：氯醇法和Halcon法。

The aluminum hydrolysis process has been investigated using chemical analysis as the main testing method, we discovered that temperature plays an important part in the formation of products and its properties, at the same time, the change of reaction with the change of temperature is a reversible process. The experiment further proved that the optimal formation temperature of AlCl3·4Al3·7.5H2O and AlCl3·7Al3·18H2O is 75℃,the productivity rate of products were higher at this temperature and the crystallizability were better.

以化学分析为主要监测手段，对AlCl3·4Al3·7.5H2O和2AlCl3·7Al3·18H2O形态过程进行了研究，结果表明，温度对于产物的行成及性能有很大的影响，并且反应随温度的变化基本上是一个可逆的过程，同时，实验表明 75℃为AlCl3·4Al3·7.5H2O和2AlCl3·7Al3·18H2O析出的最佳温度，该温度下产物的产率较高且结晶状态良好。

Whereas the tin hydride is used, for preparing functional fivemembered rings ,to induced alkenyl radical translocation/ cyclization process ——oxidaton process by selective activation of a C H bond——developed by Curran et al., thiophenol, non-tin chemical, is used in this new synthetic method for preparing cyclopentane derivatives through a 1,5-hydrogen transfer/cyclization sequenceEq.

在这些目标中，发展无毒、环保试剂实施有效的自由基反应是一具有挑战性的目标。Curran等发明了用氢化锡介导的自由基易位/环化过程是一种通过C H键的选择性氧化制备功能五元环的高效的方法。

The process to produce synthetic gas (H2 and CO) by methanol decomposition is animportant research field in C1 chemical industry. In rescent years, the great interest has beencaused in the process of methanol decomposition because of it's wide application and specialadvantage, and which has become one of the research hotspots.

甲醇裂解制备合成气(H2和 CO)是 C1 化学领域的重要课题，近年来，甲醇低温催化裂解过程由于其广阔的应用前景和特殊的优点倍受关注，成为当前催化研究的热点之一。

The paper first constructs the relating technology framework between coal low temperature self-heating thermal properties parameters and spontaneous combustion, by means of testing on coal samples of diffusibility relative to oxygen, gas-producing simulation in self-ignition process, adiabatic oxidation process, coal spontaneous combustion processing simulation, coal basic physical and chemical parameters, thermal analysis by differential scanning calorimeter , differential thermal analyzer , Thermogravimeter .

通过对试验煤样进行煤对氧的扩散特性试验、煤自然发火过程中气体产物模拟实验、DSC差示扫描量热热分析测试、DTA与TG热分析测试、煤自然发火绝热氧化过程试验、煤自然发火过程模拟试验、煤基础物理化学参数测试的试验研究，就煤对氧的扩散与吸附特性、煤自燃氧化过程中的热力特性与气体产物特性及其与煤自然发火过程之间的相关特性进行了较系统的研究，初步建立了煤低温氧化自热热物理特性参数与煤自然发火之间相关联的技术内涵。

But the intrinsic nonlinearity in substance and energy conversion, addition to the discreteness of process operation, results in many difficulties for optimization of chemical process.

然而物质能量转化过程内在的非线性、以及装置操作中的离散性使得化工过程优化存在诸多困难。

For erbium ion in light-emitting layer with light activated process and other chemical reaction, it is necessary to anneal the devise with high temperature in fabrication process.

为了让发光层内铒离子具有光活化及其他的化学反应的发生，在制程中热退火是必须的。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。