查询词典 molecules

These organic molecules have been illuminated by the Trapezium's stars, and are shown in the composite as wisps of red and orange.

这些有机分子受四边形的射线辐射而发光，在图中为一缕一缕的红色和橙色色带。

Furthermore, the tied trefoil knot has less conjugation property and Jahn-Teller effect but higher total energy than the cyclo-C30 carbyne, that is, the process of "tied" could increase the energy of molecules.

因此，分子打结是一个能量升高的过程。

Their electrochemical behaviors are similar to that of TTF, so they should be good donors for conducting materials. They are novel monosubstituted asymmetric TTF-π-A donor molecules with TTF cores, which should be good donors for molecular conductors or OFET potential application.2. The tuning of the charge-transfer of TTF-PEO by solvent was realized forming the mono- and dication complexes_2CuBr_4 (5) and_2(CuBr_4)_2·CH_2Cl_2·CH_3CN (6) in the triclinic Pīand the orthorhombic Pbca space group, respectively.

同时每种化合物均为单取代的非对称分子，因此该类化合物在非线性光学材料领域可能有潜在的应用。2、通过改变溶剂的方法方便地实现了调节TTF-PEO的电荷转移量为+1和+2，分别合成出化合物_2CuBr_4 (5)和_2(CuBr_4)_2·CH_2Cl_2·CH_3CN (6)，晶体结构分析表明它们分别属于三斜的Pī和正交的Pbca空间群。

Second, using DBU as the base for enolization of propargylic esters of unsaturated acids 18e-k, we developed a tandem Ireland-Claisen rearrangement /isomerization reactions. It has been shown that the reaction sequence affords triene molecules 42a-b and 43a-b in moderated to high yields. Interestingly, with allyl hexa-3,5-dienoates 18i-j as the substrate, the rearranged products underwent further aromatization to give uniquely substituted benzyl acids 44a-b.

其次，以含有活泼质子的烯酸炔丙酯18e-k为底物，在DBU为烯醇化碱、TMSCl为硅试剂的条件下，底物18e-h发生了Ireland-Claisen重排/异构化串联反应，得到完全共轭的三烯类化合物42a-b及43a-b；而以己二烯酸炔丙基酯18i-j为底物时，重排/异构化后的产物进一步发生电环化等反应最终得到芳构化产物——取代苯甲酸类化合物44a-b。

We think that combiation between Triton X-100 and water molecules has a great ...

分析表明该荧光是由Triton X-100分子与水分子相互作用产生，本文对产生这一现象的机理进行了探讨。

135 Genes of MHCⅠ and Ⅱ molecules from four mammals as Homo sapiens, Pan troglodyte, Macaca mulanta and Rattus norvegicus were analyzed using hierarchial cluster method.

我们利用RSCU ANA，对来自人、黑猩猩、猕猴及大鼠等四种哺乳动物的135条主要组织相容性复合物Ⅰ类及Ⅱ类分子的基因用系统聚类法进行了分析。

Therefore, in this paper the effect of the small molecules on the part properties of the trypsin was studied.

因此，本论文主要研究了几种小分子物质对胰蛋白酶部分性质的影响。

The thermal stability of the mutant molecules was strongly decreased, as evident in their sensitivity to trypsin digestion.

突变分子的热稳定性剧烈降低，正如对胰蛋白酶消化的敏感性一样。

NaA zeolite membranes have been found a potential application in the separation of the small-sized gas molecules by molecular sieving and dehydration of liquid mixtures by pervaporation. However, there are some problems in the preparation in the NaA zeolite membranes such as the scarce support types, insufficient study on the synthesis rules and few literature concerning the NaA zeolite membranes preparation on the inner surface of the tubular support.

中文题名NaA型沸石分子筛膜的合成及渗透性能研究副题名外文题名 Preparation and permeation studies on NaA zeolite membrane 论文作者董强导师徐南平教授时钧院士学科专业化学工程研究领域\研究方向学位级别博士学位授予单位南京工业大学学位授予日期2001 论文页码总数108页关键词膜分离沸石分子筛膜微滤膜馆藏号BSLW /2003 /TQ028 /23 NaA型沸石分子筛膜在小分子气体分离和渗透汽化分离等领域预期有着良好的应用前景。

They can be chosen as a organic urea enzyme inhibitor.3 The adsorptive effect of some additive that the power of zeolite is ,which can adsorb big molecules and ions, is regard as a good additive.4 The adsorptive effect of some bond indicated that HA of turfy soil and CMC were both good bonds.

缓释氮肥PCF、磷钾肥和硝化抑制剂双氰胺进行三因素五水平的二次通用旋转组合模型设计：对于油菜硝酸盐在生育期内的动态变化规律来说，PCF、磷钾肥和双氰胺过高、过低都不利于油菜的正常生长，中量水平处理时较好。

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。