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The macro conjugated molecule fluorene derivative has 2, 3, 6, 7-tetraamino-9, 9'-dialkyl fluorene as a raw material which is added to an organic solvent respectively together with phenanthrenequinone, acenaphthene quinone or bis-carbonyl pyrene derivatives and strong base; under the protection of inert gas, reflux reaction is carried out to the materials, so as to prepare a series of trapezoidal conjugated molecules containing fluorine structures.

本发明涉及一类含大共轭分子的芴衍生物及其制备方法，大共轭分子芴衍生物是将原料2，3，6，7-四氨基-9，9'-二烷基芴，分别与菲醌、苊醌或二羰基芘的衍生物以及强碱加入到有机溶剂中，在惰性气体的保护下，回流反应制得一系列含有芴结构的梯形共轭分子。

Orion KL hot molecular core is known to be rich in organic molecules; the brightness ( 105L ) and proximity ( 450 pc) of Orion KL make it a primary target for molecular line search and astrochemistry study.

猎户座KL热分子云核是个已知富含有机分子的天体，它的亮度(~ 105 Lsun)以及相对於太阳如此近的距离(~ 450 pc)非常适合我们来寻找在太空中尚未被指认出来的重要分子以及做天文化学上的研究。

Tumor growth causes stress in cells, leading to a build up of free radical molecules that attack the lipids in cell walls, tearing out molecules with long chains of carbon atoms.

肿瘤的生长对细胞造成压力，导致自由基分子的积累，自由基分子对细胞壁上的脂质发起攻击，扯下带有长链碳原子的分子。

The molecule-substrate interaction could play a significant role in the commensurability and the subsequent growth of the crystalline films in the overlayer growth.

一般而言，对于不含功能群的有机分子，与衬底公度的覆盖层通常形成与分子的块晶不同的晶体结构，而非公度生长的吸附层则更易保持分子块晶结构。

The imprinting cavities affected the dynamic parameters dramatically. The rebinding of the imprinted molecule into the imprinting cavities was favorable in view of energy and configuration because of their best compatibleness.

分子烙印产生的空穴对热力学参数有较大的影响，烙印分子与烙印空穴的匹配性最好，烙印空穴对烙印分子的结合在能量上和构型上都是有利的。

The preliminary stiochiometric analysis showed that when the enzyme metabolized EDDA, two acetyl groups were removed and ethylenediamine and two glyoxylates were produced in the presence of oxygen.

然后对该酶促反应进行了定量分析：结果显示在IDA氧化酶的作用下每代谢一分子的EDDA将生成二分子的乙醛酸及一分子的乙二胺，同时也检测到过氧化氢的生成。

In order to know more about the microcosmic structure of the important biochemical model molecule formamide in aqueous solution, the Optimized Potentials for Liquid Simulations-All Atom model were used in the molecular dynamics simulation for the aqueous solution of FM in the whole concentration range. The radial distribution functions of the solutions were obtained. The interaction between water molecule and FM molecule was analyzed and calculated.

为了解重要的生化模型甲酰胺在水溶液中的微观结构，采用全原子力场在全浓度范围内对甲酰胺溶液进行了分子动力学模拟，得到了溶液的径向分布函数，分析计算了溶质和溶剂分子间的相互作用，对甲酰胺和水分子的氢键缔合情况进行了分析。

In the first part, five new model molecules have been designed and synthesized for investigating self-coiling behavior driven by hydrophobic-lipophilic interaction .

本论文主要对分子自卷曲和有机超分子的自组装做了一些研究，共分三个部分：第一部分中，我们设计并合成了五个新的由不同长度碳链连接电子给体和电子受体的有机分子，用荧光光谱法对它们进行了研究。

Molecular dynamics simulation (NPT ensem2 ble) was used to obtain specific volume as a function of temperature....

随后进行分子动力学模拟得到小分子的运动轨迹，对小分子扩散的两种方式进行了讨论，探讨了侧链对扩散过程的影响。

In this dissertation, the efforts were focused on design and synthesis of new types of chiral and achiral azoamide hosts,bowl-shaped steroid cholic acid methyl esters with one chiral arm under microwave irradiation and heteroaromatic molecular tweezers under microwave irradiation in solid state and their molecular recognition as well as enantioselective recognition.

本文致力于新型手性不对称脲、胆甾和芳杂环类分子钳受体的设计合成及其对阴离子、中性分子和手性分子的识别及对映选择性识别性能研究，取得了一系列具有重要学术意义与应用前景的创新性结果。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。