查询词典 pericyclic

By means of such a parameterization, we have discussed bonding energies for diatomic molecules, reaction activities for organic pericyclic reactions and so on.

利用这种参数化方案，研究了双原子分子结合能和有机周环反应的反应活性等。

Worst performance in Beijing last week, sales of only 205,000 square meters, and the same period last year Pericyclic than decreased by 46% and 37% respectively.

环渤海地区的表现最差，北京上周销售面积仅为20.5万平方米，周环比和同比分别下降了46%和37%。

Bohai region, the worst performance in Beijing last week, sales of only 205,000 square meters, and the same period last year Pericyclic than decreased by 46% and 37% respectively.

环渤海地区的表现最差，北京上周销售面积仅为20.5万平方米，周环比和同比分别下降了46％和37％。

Among them, the Yangtze River Delta region is relatively good performance in other areas, Shanghai, Suzhou, Hangzhou turnover pericyclic than 19 percent drop, respectively, 15%, 27%, but a considerable drop-week year-on-year, respectively, 50%, 49%, 31%.

其中，长三角地区表现相对好于其他地区，上海、苏州、杭州的成交量周环比降幅分别为19%、15%、27%，但周同比降幅相当大，分别为50%、49%、31%。

Kinds of major consumer of agricultural products, price increases in pericyclic than 29 species, accounting for 50.9%; flat there are seven kinds, accounting for 12.3%; decline in 21 species, accounting for 36.8%.

57种主要食用农产品中，价格周环比上涨的有29种，占50.9%；持平的有7种，占12.3%；下降的有21种，占36.8%。

However, the small organic compounds, which predominantly exist in the pericyclic cells underneath the leaf skin, have been ignored as impurities due to their color and gastrointestinal irritation.

不过，小的有机化合物，其中主要存在于细胞周叶底下皮肤被忽略的颜色和杂质，由于肠胃不适。

Through cytological observing, the adventitious buds and roots initiated from action of vascular cambium in pericyclic.

根插过程中，可溶性糖及可溶性蛋白质的含量变化与不定芽和不定根的发生及后期生长有一定相关性。

In addition, a model computing the nonadiabatic coupling terms in photochemistry of pericyclic reactions has been suggested at the level of HuckelHubbard theory, and a series of nonadiabatic transitions for such reactions have been discussed based on the model proposed.

此外，还在H-H理论水平上建立起光化学周环反应的态-态非绝热偶合计算模型，用这种理论模型讨论了一系列光化学周环反应中的非绝热跃迁问题，获得了势能面、非绝热偶合项和立体选择性。

The secondary growth mainly depend on the activities of vascular cambium and cork cambium; the cork cambium originates from pericyclic cells.

次生生长主要是由维管形成层和木栓形成层的活动完成，木栓形成层起源于中柱鞘细胞。

Topics discussed include ultrafast spectroscopic techniques; aspects of electron transfer reactions ranging from solvent effects; intermolecular and intramolecular systems, to dynamics at semiconductor surfaces; the dynamics of chemical systems using Raman spectroscopy; pericyclic photochemical rearrangements and photodissociation reactions; solvent--solute interaction dynamics; and chemical dynamics in clusters.

讨论的议题包括超快光谱技术，电子转移反应的溶剂效应等方面；分子间和分子系统，动力在半导体表面，使用的化学拉曼光谱系统动力学；周环重排和光化学解离反应；溶剂-溶质相互作用的动态以及在化学动力学组。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐