查询词典 ionic structure

Wood designed the great curved facade of what appears to be about 30 three storey houses with Ionic columns on a rusticated ground floor.

伍德把楼正面设计成一个巨大的弧形，在粗面石工的地基上33层的楼房由多根爱奥尼克式的圆柱支撑。

An explanation based on the ionic constitution of slags is offered for thisbehaviour of alumina.

对Al_2O_3的这种行为，根据炉渣的离子结构理论提出了解释。

It is compounded with non-ionic surfactant to form a soaping agent with good washing off property and anti-staining.

它与非离子表面活性剂复配，形成了一种既有较好净洗能力，又有较强抗沾色能力的皂洗剂。

According to this model,the equations of the ionic mean activity coefficient and the osmotic coefficient of solve...

用实验数据广泛检验结果表明，这个模型能很好地适用于较高浓度下的强电解质溶液。

The paper reviews the advanced progress in the application of ionic liquids as reaction medium as well as catalysts to organic synthesis, mainly including coupling reaction, Michael addition, Baylis-Hillman reaction, Diels-Alder reaction, Aldol reaction, Knoevenagel condensation, cyclorization reaction, alkylation and acylation, oxidation and reduction etc.

综述了离子液体作为反应介质或催化剂在有机合成传统反应类型中的最新研究成果，主要包括：偶联反应、Michael加成、Baylis-Hillman反应、Diels-Alder反应、Aldol缩合、Knoevenagel缩合、环化反应、烷基化及酰基化反应和氧化还原反应。

As commercial alkaline ionic water units were introduced in Japan in 1950, only huge commercial units were utilized by hospitals.

1950年当商业碱性离子水单位在日本被介绍了，只有医院运用巨大的商业单位。

Chiral SalanCrX complexesa saturated version of SalenCr(ⅢX are designed,and in conjunction with an ionic quaternary ammonium salt or organic strong base can efficiently catalyze the asymmetric,regio-and stereoselective alternating copolymerization of CO_2 with rac-PO at mild conditions to afford isotactic-enriched polycarbonates with～95%head-to-tail linkages and moderate enantioselectivity.

本论文在Salen构型配体的基础上，设计合成了一系列手性Salan型铬配合物，并将其与季铵盐/有机强碱组成亲电-亲核双组分催化体系，在室温下可以有效的催化CO_2和环氧丙烷的不对称交替共聚反应，实现了CO_2和环氧丙烷的不对称交替共聚反应的区域和立体化学控制，得到95%的头尾连接单元和中等光学纯度(对映体过量值ee%≈70%)的全同结构的聚碳酸酯。

Because dispersed state of bentonite in the water was changed by ammonium molybdate, its adsorptive capability and ionic exchange ability were improved, and its color removal rate from the wastewater of basic blue dye was 96.53%.

由于钼酸铵聚合体的引入改变了膨润土在水中的分散状态，增强了其对污染物的吸附和离子交换能力，处理后印染废水的脱色率可达96.53%。

It was found that the Beckmann rearrangement of cyclohexanone oxime could be performed smoothly in the catalytic media consisting of room temperature ionic liquid and acidic phosphorated compounds, and excellent conversion and selectivity were achieved under mild conditions without any additional organic solvents.

发现酸性含磷化合物，如五氯化磷等在离子液体中可以高效地实现环己酮肟重排制己内酰胺，具有不需另加有机溶剂，选择性高等优点。

Room-temperature ionic liquids; Synthesize; Spectra; Characterize; Beckmann rearrangement

工程科技I，化学，有机化学离子液体；合成；光谱；表征； Beckmann重排反应

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。