查询词典 unsymmetrically

There were few successful examples of regioselectivity in reactions of unsymmetrically allylic derivatives, and enantioselectivities obtained with prochiral nucleophiles.

因而我们选用反应机理相对比较清楚的钯催化烯丙基取代反应来研究平面手性的作用。

Summarizing the results from this analysis, it was revealed that the analytic contained abundant components of neolignans , having dimeric phenyl propanoid structure with unsymmetrically condensed benzofuran skeleton attached with different sugar moieties.

结果显示此部分为富含木质素类化合物，所分析出的化合物多为首次在该植物发现，其中有massonianoside D(1)、7、8和C-veratroylglycol (9)为已知化合物，而2~6、10~14是新颖天然物成分。

Unintended traditional drama of the artless space, where weaves unsymmetrically by repeating and becoming a frame pictorially with the continuity that seems unlimitedly, becomes a root of Lim Geo Dang's spatial story.

无意的传统戏剧的烂漫的空间，在那里织不对称重复，成为与连续性，似乎形象地敞开框架，成为党的林缘的空间故事的根源。

For generalization, we present the measurements under symmetrically and unsymmetrically air-supplying conditions, respectively.

为验证结果的合理性与正确性，用风速计直接测量了对称条件下的速度场，用CFD软件对对称和非对称情况分别进行了流场模拟。

A type of chiral molecular tweezers has been designed and synthesized by using diphenic acid as spacer and chiral unsymmetrically disubstituted urea as arm for the first time.

近年来，利用合成的人工受体与适当底物间的分子识别以建立仿生仿酶模型的研究，已成为生物有机化学和超分子化学前沿领域之一lL】。2 J。

Simulating the tunnel with shallow-depth and eccentrical compression with numerical simulation techniques, it is known how the bolt-shotcrete support, the unsymmetrically loading, water and etc.

对沪蓉西高速公路龙潭隧道浅埋偏压洞口施工过程进行了数值模拟，分析了锚喷支护、偏压作用、水的作用等诸多因素对围岩稳定性的影响。

The seats are placed unsymmetrically, allowing more space for passengers to get in and out of the carriage.

同时在每个门口都设置了残疾人和老年人的优先座位。

The earth's rotation acts on these unsymmetrically deposited masses, and produces centrifugal momentum that is transmitted to the rigid crust of the Earth.

地球的旋转作用于这些不平衡的沉积物质量，而产生的离心力被传送到地球的硬外壳上。

It can produce unsymmetrically load when it is nearby the arch of the tunnel.

由于煤柱附近存在明显的应力集中，其与隧道的空间位置关系对隧道稳定性有较大影响，当位于隧道拱腰上方时，会使隧道产生扁压。

Because of terrains the unsymmetrically loading has an important effect on induced stress field of surrounding rock. So the bias tunnel makes a great difference in the stress field and plastic zone of surrounding rock.

由于地形关系产生的偏压作用对隧道开挖后的二次应力场产生了很大影响，由此产生了围岩的位移场和塑性区与一般隧道有很大不同。

Last year I discovered he was constipated.I used the epsom salt and within an hour he was unblocked.A few days ago I noticed he was very agitated,bloated and no waste for two days.

去年，我发现他是constipated.i用泻盐，一小时后，他被unblocked.a前几天我发现他非常激动，臃肿，并没有浪费两天。

Mark Twain once said,"Golf is a good walk spoiled," and although many a duffer has spent a frustrating couple of hours on the links, few actually die as a result.

马克吐温曾经说过：高尔夫把好好的散步给毁了。