选择性的

Demands on middle-distillates selectivity have become increasingly severe; and a key problem to improve catalyst technology is how to achieve objectives for maximum middle-distillates selectivity To assess the catalytic performance of hydrocracking catalysts, a new laboratory method using decane as the model compound was develo...

本文首先建立了一种以正癸烷为模型化合物的微反评价方法，其中微反转化率与中型活性呈线性关系；采用回归方程可以拟合出中间馏分油选择性。

Available, they will be helpful in delineation of the functions of these receptors.

应用选择性受体配体，就会帮助我们描述这些受体的功能。11月5日

Objective To discuss the therapeutic effect of selective peripheral denervation for lower limbs spasm of cerebral palsy.

目的 探讨周围神经选择性切断治疗脑瘫性下肢痉挛的疗效。

The research achievements including NO generation of coal-burning power plant, all kinds of denitration technology at domestic and abroad, property of selective catalyst reducing denitration technology and comparison of different catalysts were introduced.

本文介绍火电厂燃煤锅炉NO的生成途径、目前国内外各种脱硝技术方法、选择性催化还原烟气脱硝技术特点及不同催化剂型式性能比较等研究成果。

AIM: To study the influence of 32 hour sleep deprivation on selective attention.

目的：探讨睡眠剥夺对选择性注意任务各阶段的影响及其程度。

Results:①No differences were observed between two groups on the distribution of coronary vessel diseased (narrowing≥50.0% of diametre)(p＞0.05).Left ventriculography did not show that inferior wall motion were strikingly diminished in the both Group A and Group B.

结果：①选择性冠状动脉造影显示冠状动脉病变(狭窄≥50.00%)支数在两组间的分布无显著差异(P＞0.05)；左心室造影两组均未见下壁运动明显减弱。

Their behaviors on the synthesis of diphenyl carbonate from phenol and CO2 in CCl4 were examined.

以二氧化碳、苯酚和碳酸钾为原料，在四氯化碳溶液中反应合成碳酸二苯酯时，锌负载催化剂具有较高的催化活性和DPC选择性。

In modern offices, there are many problems with electronic text format of document.

在现代化办公条件下，多种多样的可能性和选择性使得公文电子文面格式出现了许多问题。

This method offers high selectivity, long life, no influence of surroundings gases, no electromagnetic induction and so on.

这种方法有很多优点，可以多选择性，长时间跟踪，并且对油箱内气体的没有影响，对变压器本身也没有电磁影响等。

I is a company engaged in selective electroplating tools for the professional company.

我公司是一家从事选择性连续电镀工具的专业公司。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。