It is found that the new solid catalyst was more effective than concentrated acid.

Traditional ketalization and esterification reactions are usually catalyzed by concentrated acid in industry.

传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂.

The structural intensity characterization of laminated composite plates subjected to dynamic concentrated force was discussed.

本文研究了复合材料正交异性层合板在动集中力作用下的结构声强特性.

Chip unit in the third quarter was concentrated force , the main action Xichou obvious.

三季度该股筹码呈集中之势,主力吸筹动作明显.

The non-linear equations of strings under a concentrated load are derived.

建立了集中荷载作用下悬索的 非线性 方程.

Complex deformation may appear in the thin-walled column parts under concentrated load.

薄壁圆筒类零件受集中载荷作用将产生复杂弹塑性变形.

This help keep your brain and body functioning well, and help you to concentrate in lessons.

这对你的大脑和身体的运作有好处并且有利于你上课集中注意.

The leaching process of electricity catalysis zinc sulfide concentrate in FeCl _ 3-HCl-CaCl _ 2 system has been studied.

研究了电催化三氯化铁浸出硫化锌精矿工艺.

The entry is not a factor anymore therefore one can concentrate in managing the trade.

进场不再是重要的因素,由此,你可以更专注在管理自己的交易.

The dewatering feature of the fluorite concentrate in Shizhuyuan Mine has been studied.

研究了柿竹园萤石精矿的脱水特性.

The dephosphorization technics has been studied on-content phosphor RE concentrate in electric arc furnace.

通过对高磷稀土精矿电炉除磷工艺试验,探索了稀土精矿除磷工艺的最佳工艺条件,并取得了满意的效果.

As a result of skipping breakfast, some students find it hard to concentrate in class.

不吃早饭的结果是, 有的学生上课时精神难以集中.

Simply not to concentrate in the classroom.

根本没把精神集中在课堂上.

Birds concentrate ( in places ) where food is abundant.

鸟聚集在食物丰盛的地方.

The dynamic response of iodide selective electrode was studied with stationary immersion method in low concentration.

在低浓度范围,以静态浸入法研究了碘离子选择性电极的响应动力学.

It is economical and effective to remove low concentration of hydrogen sulfide by activated carbon.

用活性炭脱除低浓度的硫化氢是一种经济有效的方法.

The present paper mainly reviewed the mechanism by which TBT induces apoptosis at low concentration.

该文主要综述了低浓度TBT诱发细胞凋亡的机制.

Conclusions A low concentration of FK 506 in perioperative and long-term period is safe.

结论:低浓度的FK506在围手术期和远期均有较好的安全性.

The results showed that low concentration, low gasrate and low temperature were good for adsorption.

结果表明:低浓度 、 低流速、低温度均有利于吸附.

Objective To study the effect of the low concentration mix-benzene on neurobehavioral function of exposed workers.

目的探讨低浓度混苯对作业工人神经行为功能的影响.

The measurement of COD in wastewater can be affected a low concentration of hydrogen peroxide.

废水中双氧水的存在影响化学需氧量的测定,其浓度增大,影响愈明显.