分子内的

In this study, hemocytes of abalone were used to investigate the mechanisms of intracellular signaling transduction on cell aggregation.

本研究以九孔的血液细胞为材料，研究血球在凝集反应中的细胞内讯息传递机制以及参与分子。

Together they model the structure of DNA as a 2 chain helical, with antiparallel properties and the bases facing inward paired to hold the molecule together.....

他们一起制出反向平行特性，和维繫住＜双股＞分子的朝内配对硷基，＜这种＞DNA双股螺丝的模型。。。。。

This indicated that, with the different pH values in solution, the adsorption site of biliverdin could be changed.

在酸性溶液中，胆绿素分子环C上的氮原子和内酰胺环A上的氧原子发生了质子化。

The mechanism was supposed as follows: polyfluoroalkyl iodides were initiated by sodium dithionite to give R〓 which was added to one double bond of diallylacetic acid, after the sequential radical cyclization and nucleophilic substitution to form bicyclo-lactones.

这是因为：多氟烷基碘化物在连二亚硫酸钠的引发下，得到自由基R〓，后者加成到二烯丙基乙酸中的一个—C=C—双键上，然后在碱性介质中进行分子内亲核反应得到双环内酯类产物。

Polyfluoroalkyl iodides could react with unsaturated olefin acids in the presence of sodium dithionite by radical addition to give adducts. It was found that these adducts could form polyfluoroalkyl substituted γ or δ-lactones due to intramolecular nucleophilic substitution in the alkali solution.

研究发现：多氟烷基碘化物在连二亚硫酸钠存在下与不饱和烯酸经自由基加成得到的产物，能在碱性条件下进行分子内亲核取代反应形成五元或六元环的含氟内酯类化合物。

Salicylic acid is a simple hydroxybenzene in plant. As a endogenesis signal molecule, the effects of SA on many physiological progress in plant have been paid more and more attention.

水杨酸(salicylic acid，SA)是植物体内产生的一种简单酚类物质，作为植物内源信号分子，在植物许多生理过程中的作用越来越受到重视。

The enzyme is involved in the final hydrolysis of nutrients and the degradation of bioactive molecules such as enkaphalin and endorphin.

该酶参与了营养素的最终水解和生物活性分子脑啡肽和内啡肽降解的失活。

In the temperature range of 30—680℃, the thermal decomposition process was composed of four major stages. The first stage was an endothermic process with the loss of four coordination water molecules.

在30~680°C温度范围内，[Cu2(H2O)4]2的热分解过程分为四个阶段，其中，第一阶段为脱去四个配位水分子的过程，表现为吸热过程。

The calculated IC times of chl-a in ethyl acetate, tetrahydrofuran and dimethyl formamide are 141, 147, and 241 fs, respectively.

计算得到的叶绿素a分子在乙酸乙酯、四氢呋喃和二甲基甲酰胺溶剂中的内转换时间分别是141、147和241 fs。

According to the tentative reaction equation from single molecular reaction theory and the second and the frist Fike's laws,the expression of the weight percentage and the diffusing thickness,was derived.

基于单分子反应理论假设反应模型，结合菲克第二、第一定律，得到质量分数与扩散厚度的关系式，以此研究了范围内液态锡与铁反应过程中锡的扩散厚度。

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。