查询词典 lewis

The results showed that hydrogen peroxide, silanols species and TiO〓 didn't have solvolysis activity of propylene oxide. While framework Al, coordinatively unsaturated Ti〓 ions as Lewis acid sites in the framework, Ti-OH and the five member ring active titanium species formed by TS-1, hydrogen peroxide and solvent can catalyze the solvolysis of propylene oxide.

研究结果表明：原料双氧水和TS-1沸石上的SiOH和TiO〓对环氧丙烷溶剂解反应无催化活性；而下列物种对环氧丙烷溶剂解反应具有催化活性：TS-1中的骨架铝，沸石骨架中配位不饱和的Ti〓形成的L酸中心，TS-1水解产生的钛羟基和由TS-1，双氧水和溶剂相互作用所生成的五元环中间活性钛物种。

Now as the Sonics head down the stretch of the season, Lewis is more confident, more comfortable that he's found his place.

尽管是在第二轮但是超音速还是给了刘易斯一个两年的合同，而这将是刘易斯成长真正NBA球员的两年。

"CNN"-- Bank of America CEO and Chairman Kenneth Lewis has been issued a subpoena by the New York State Attorney General's Office, which is investigating whether the bank violated state law by withholding information from investors, a source familiar with the investigation told CNN.

"有线新闻网"--美国银行CEO和主席Kenneth·刘易斯被纽约州总检察长办公室已经发起传唤，调查银行是否通过从投资者那儿拒绝给于信息违反州法律，一名熟悉调查内情的消息人士告诉有线新闻网。

And Lewis method is used in the calculation of responses, because it is simple one, and then the statics of vessel swing are calculated.

在计算响应函数时采用了简单的刘易斯剖面法，并进一步计算了船舶摇荡的统计特性。

Lewis has been under fire. The stock's price improved once U.S.

的过程中起到了举足轻重的作用，刘易斯也因此饱受指责。

Indeed, Lewis blasts the press for submissiveness after the 9/11 terrorist attacks.

刘易斯还一针见血的指责媒体自911恐怖袭击之后的不作为。

We introduced the sulfonyl group to P-amino alcohols derived from amino acids to prepare β-sulfonamide alcohols.

由于磺酰基的强吸电子作用，磺酰氨基不是作为给电子基团出现，而是和金属钛共同作为Lewis酸对反应起作用的。

Along with chairman Arthur Sulzberger Jr., whose family still owns a controlling interest, Lewis coordinated a $1 billion plan that, among other things, introduced color.

与主席小亚瑟？萨尔兹伯格（Arthur Sulzberger Jr。，其家族手中掌握着该报的控制权）一起，路易斯协调了一项10亿美元的计划用于引进彩色印刷及其它许多项目。

Along with chairman Arthur Sulzberger Jr., whose family still o wns a controlling interest, Lewis coordinated a $1 billion plan that, among other things, introduced color.

萨尔兹伯格（Arthur Sulzberger Jr。，其家族手中掌握着该报的控制权）一起，路易斯协调了一项10亿美元的计划用于引进彩色印刷及其它许多项目。

As a result of poor record before the Seattle SuperSonics, and even Lewis himself realize that many fans did not even read their own play.

由于之前西雅图超音速战绩不佳，连刘易斯自己都明白，很多球迷甚至没看过自己打球。

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。