分馏的

This paper introduces industrial application of the new compound slant-hole tray with multiple downcomer in the refinery gas separation unit, The result shows that the methods for design of the new tray is reliable, and the new tray can be used widely among the fractionating tower, absorbing tower, desorber in petrochemical, chemical, pharmaceutical industries and so on.

介绍了新型多溢流复合斜孔塔板在炼厂气体分馏装置上的工业化应用，结果表明其设计方法是可靠的，可以广泛应用于石化、化工、医药等许多行业的精馏塔、吸收塔和解吸塔上，特别适用于液相负荷很大的体系。

The proposed method has been evaluated by a nonlinear function example and applied to a practical case of modeling product quality of hydrocracking fractionator. The obtained results demonstrate the promise of this approach for improving nonlinear soft sensing modeling.

此算法通过一个复杂非线性函数的仿真建模和一个分馏塔柴油倾点软测量建模的工业实例研究，结果表明比其它算法具有更好的泛化结果和预报精度，具有良好的在线应用潜力。

In this 'lithification' process, the originally precipitated phases undergo dissolution, reprecipitation, and isotopic re-equilibration with ambient pore fluids.

在这个所谓的岩化过程，最初沉淀的沉积物经历了溶解，再沉淀，与周围孔隙中的流体进行的同位素再平衡分馏等过程。

Following the development of the copper cup-electrode solution method for the spectrogra-phic analysis of open-hearth slags,a series of experiments was carried out to study the volatili-zation process in such a spectral light source.

第一阶段相当于第一高峯出现的期间，在这时并没有分馏现象，这表示溶液中的物质主要是经过溶液的翻腾作用而直接从液面进入放电区的。

The process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process).

把石油重分子分解成低分子碳氢化合物的过程；把石油分子分解成更小的分子并提取低沸点的分馏部分的过程。

Whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process).

把石油重分子分解成低分子碳氢化合物的''。'过程'。''；把石油分子分解成更小的分子并提取低沸点的分馏部分的''。'过程'。''。

In the past several decades, great achievements have been made by the marine foraminiferal boron isotope researches on the following aspects: analytical techniques, offsets between laboratories, isotopic fractionation factor, long-term changes in seawater boron isotopic compositions and vital effects.

最近，海洋浮游有孔虫硼同位素的研究在实验分析技术、实验室偏差、同位素分馏系数、海水硼同位素长期变化以及各种次要因素等方面都取得了长足的进步，尤其是全蒸发负热电离质谱法的建立使硼同位素分析的样品需求量降到纳克级以下。

The results based on the gas, carbon isotope and water chemistry geothermometer suggest that the temperature of the deep reservoir is about 250±7℃, while the temperature ranges of the median and shallow reservoirs are 241~190℃ and 195~154℃ respectively....

气体、同位素、水化学地球化学温标显示，深层热储的温度约为 2 5 0± 7℃、中、浅层地热储温度的变化范围分别为 2 41～ 190℃和 195～ 15 4℃。根据岩浆来源 CO2 和 CH4之间的碳同位素分馏值计算，目前该区深部岩浆热源的温度应高于 5 14℃。

Thermal decomposition, sometimes with catalysis, of a complex substance, especially the breaking of petroleum molecules into shorter molecules to extract low-boiling fractions such as gasoline .

裂化有时通过催化作用对复合物的热分解，尤指把石油分子分解成更小的分子并提取低沸点的分馏部分，如汽油

The American Sugar Refining Co. was working on a new fractionation method which did not require alcohol and which might prove of great value if alcohol should become in short supply.

美国的精制糖公司正致力于研究一种新的分馏方法，该方法不需要酒精，如果酒精供不应求的话，可能证明具有很大的价值。

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。