查询词典 molecular volume

Geometric parameters such as bond length, bond angle and molecular volume were carefully investigated, as most of the acyclic alkanes under study are not yet synthesized.

研究还测定了它们的几何参数，如键长，键角，分子体积等，它们中的绝大多数分子目前还没有被合成。

Then, the equation of quantitative structure-activity relationship was effectively established with four descriptors like the molecular volume V(subscript m, order zero chi index, sum of the product of solvent-accessible surface area multiplied by partial charge for all positively charged atoms (Jurs-PPSA-3), and molecular surface area.

QSAR方程含分子体积V、分子分支度指数CHI-0、分子中带正电荷原子的溶剂可积面积与其所带电荷之积的加和值Jurs-PPSA-3以及分子表面积S4个结构描述符。

Before 24 weeks of result hydrolyze, PLGA quality change is not big, subsequently quality decreases quicken; to stick all molecular volume drops in before 12 weeks of degradation faster, 24 weeks when subsequently degradation speed decelerates; degradation inside, flexural strength and shear strength all are more than bone coriaceous intensity.

结果水解的前24周，PLGA质量变化不大，随后质量减少加速；粘均分子量在降解的前12周下降较快，随后降解速度减慢；降解的24周内，弯曲强度和剪切强度均大于骨皮质强度。

Compared with theoretical values 49.0%C,7.8%H,17.1%N the elemental analysis results of YXA2.3 that was 45.1%C,4.7%H and 11.1%N showed that oxycellulose chloride were aminated only partially in about 45%yield because of their huge molecular volume.

对YXA2.3进行有机元素分析结果为：C 45.1，H 4.7，N 11.1(理论值为：C 49.0，H 7.8，N 17.1)，其中11.1＜17.1，4.7＜7.8，这是由于大分子的特性，氧化纤维素的氯化物只部分发生的胺化。

The structural parameters involve distribution coefficient,molecular volume,molecular surface area,solubility product,molar refraction and parachor.

选取体积参数、分配系数等分子总体特征参数表达分子结构[1]。

Its most striking feature isits tiny molecular volume, which makes it easily absorbed by the body.

它的最醒目的特点是它微小的分子体积，做身体容易地吸收的它。

These changes in sodium channel function were correlated with effectiveness for inhibiting NMDA receptors, with lipid solubility of the compounds, with molecular volume, and with cation-pi interactions.

这些钠通道功能的改变与 NMDA 受体的阻断效应、化合物的脂溶性、及分子量、及阳离子相互作用相关联。

A new annotation is referred to explain the Fresnel's formulation, then some formulations that are about the relationship of the velocity of light in medium and the molecular volume is proposed.

对菲涅尔公式作新的诠释，根据新诠释提出了光媒质中分子体积之和与光速的关系式。

According to the influences of electronic and steric effects on toxicity, two novel molecular structural descriptors, lone-pair electrons index and molecular volume index were developed to characterize the electronic and steric effects, respectively.

通过分析比较化合物结构与毒性之间的关系，发现分子的电子效应和立体效应是影响毒性的重要结构因素。

A modified Entropic-FV activity model in this work was derived by revising the linear mixed rule for molecular volume and free volume mixing.

En trop ic-FV修正模型是对摩尔体积和自由体积线性混合规则修改而获得，模型形式基本不变，也无须增加模型参数。

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。