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溶性参数
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  hydrophobic parameters
     The results showed that the activities to form P450-MI complex werew ell correlated with the sum of the electronic parameters Σσ and the sum of the hydrophobic parameters Σπ of their substituents.
     结果表明,取代基的电性参数之和Σσ、脂溶性参数之和Σπ与形成P450-MI络合物的活性大小具有较好的相关性。
短句来源
     The results showed that both activities were correlated with the sum of the hydrophobic parameters of substituents(Σπ) and the steric parameter of meta-substituent(Es(3')) ,or with the energy level of the lowest unoccupied orbitals(ELUMO) and the sum of the absolute values of net atomic charge(ΣQ).
     结果表明:这两种活性都与取代基的脂溶性参数之(Σπ)和间位的立体性参数Es(3′)等Hansch理化参数或最低未占据分子轨道级(ELUMO)和原子净电荷的绝对值之和(ΣQ)等分子轨道指数相关;
短句来源
     The Hansch method was utilized to generate quantitative structure-activity relationships between spin equilibrium shift of cytochrome P-450 and a series of hydrocarbons as substrates,The restults have shown that the substrate-bound spin equilibrium constant is well correlated lineally with both the hydrophobic parameters and steric parameters of the hydrocarbons.
     本文用Hansch方法研究了作为第Ⅰ类型化合物的一组碳氢化合物与细胞色素P-450自旋状态的定量构效关系。 结果表明,与底物结合后的细胞色素P-450的自旋平衡常数与底物的脂溶性参数和立体性参数之间存在很好的线性相关性。
短句来源
  “溶性参数”译为未确定词的双语例句
     The molecular descriptors of 36 phenols and anilines were calculated by AMI quantum chemical computation with software ChemOffice6.0, which including such electiric parameters as logKow, MR, HOP, TE, Ele.
     本项研究主要通过Chemoffice6.0软件中的AMI-MOPAC算法计算了36个苯酚、苯胺类化合物的量子化学结构参数,其中包括表征化合物分配能力的logKow脂溶性参数、表征化合物极性MR、表征化合物结构性能的HOF、TE、Ele.
短句来源
  相似匹配句对
     Scattering Parameter
     散射参数
短句来源
     design factors;
     设计参数;
短句来源
     They are well oil-soluble.
     油溶性好。
短句来源
     Oil-Soluble Antirust Agents
     油溶性缓蚀剂
短句来源
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  hydrophobic parameters
Determination of hydrophobic parameters by reversed-phase high-performance liquid chromatography.
      
The utility of reversed-phase liquid chromatographic retention data as hydrophobic parameters has been studied.
      
HPLC behavior and hydrophobic parameters of some anilides
      
In addition, linear positive correlations were demonstrated between the log of the absolute value of the slope of the population growth impairment equation of the alkyl analog set and each of the four hydrophobic parameters.
      
The eαaluation of hydrophobic parameters and energetics of interaction of subunits indicate that the protein is stabilized predominantly by hydrophobic interactions.
      
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Inverse gas chromatographic theory combined with Flory-Huggins theory of pseudo-lattice model is used in the present work to study the solubility of solution systems composed of different nitrocellulose (NC) and small molecules. Both the thermodynamic apd dynamic properties are emphasized. Some parameters, such as specific retention volume, interaction parameter and mixing heat, which characterize solubility of the system,were measured and the solubility of different systems judged based on these paramters....

Inverse gas chromatographic theory combined with Flory-Huggins theory of pseudo-lattice model is used in the present work to study the solubility of solution systems composed of different nitrocellulose (NC) and small molecules. Both the thermodynamic apd dynamic properties are emphasized. Some parameters, such as specific retention volume, interaction parameter and mixing heat, which characterize solubility of the system,were measured and the solubility of different systems judged based on these paramters. The dynamics of NC solution is discussed from the results of 1GC and Calvet micro-calorimeter experiments. A basic model for the solution of NC in solvents having high solubility is thus given. The results provide a theoretical and experimental basis for the dynamics of concentrated pojymer solutions.

本文将反相色谱理论与Flory—Huggins似晶格模型理论相结合,从热力学及动力学两个方面研究了不同结构的硝化纤维素(NC)-低分子体系的溶解特性,用反相色谱法(lGC)测定了表征体系相溶性的参数:此保留体积V_g、相互作用参数X_(1 2)~∞、混合溶解热△H_M~∞,并利用这些参数判定了不同体系的相溶性,为聚合物浓溶液理论提供了一定的论证。本文由lGC实验结果结合Ca lvet微量量热计实验结果,对NC的溶解动力学进行了初步索探,论证了NC溶于良溶剂时的基本模型,为聚合物浓溶液体系溶解动力学提供了理论和实验基础。

p-Amino-diphenyl ether compounds are quasi-irreversible inhibitors of cytochrome p450(p450). Seventeen kinds of p-amino-diphenyl ether compounds were tested for their activities to form p450 metabolic intermediate complex and to inhibit demethylation of aminopyrine catalyzed by p450. Stepwise multiple regression analysis was utilized to generate quantitative structure-activity relationships between the above two kinds of activity and Hansch' s physico-chemical parameters or molecular orbital indexes. The results...

p-Amino-diphenyl ether compounds are quasi-irreversible inhibitors of cytochrome p450(p450). Seventeen kinds of p-amino-diphenyl ether compounds were tested for their activities to form p450 metabolic intermediate complex and to inhibit demethylation of aminopyrine catalyzed by p450. Stepwise multiple regression analysis was utilized to generate quantitative structure-activity relationships between the above two kinds of activity and Hansch' s physico-chemical parameters or molecular orbital indexes. The results showed that both activities were correlated with the sum of the hydrophobic parameters of substituents(Σπ) and the steric parameter of meta-substituent(Es(3')) ,or with the energy level of the lowest unoccupied orbitals(ELUMO) and the sum of the absolute values of net atomic charge(ΣQ).The activity to form p450 metabolic intermediate complex was also correlated with the sum of the electronic parameters of substituents(Σσ) and the steric parameter of orthosubstituent(Es (2')). Good correlations were observed between the two kinds of activities.

对氨基二苯醚类化合物是结构色素P450(P450)的一种准不可逆抑制剂。本文测定了17种这类化合物生成P450代谢中间体络合物的活性和抑制P450催化氧化氨基比林脱甲基的活性。用逐步多元回归分析法导出了这两种活性与Hansch理化参数或分子轨道指数之间的定量结构与活性关系(QSAR)。结果表明:这两种活性都与取代基的脂溶性参数之(Σπ)和间位的立体性参数Es(3′)等Hansch理化参数或最低未占据分子轨道级(ELUMO)和原子净电荷的绝对值之和(ΣQ)等分子轨道指数相关;生成P450代谢中间体络合物的活性还与取代基的电性参数之和(Σσ)和邻位和立体性参数(Es(2′)相关。两种活性之间存在很好的相关性。

Stepwise multiple regressive analysis was employed to generate quantitative structure-activity relationships between the activities of12 substituted anilines to form cytochrome P450 metabolic intermediate(P450-MI)comlex and Hansch's physico-chemical parameters of their substituents.The results showed that the activities to form P450-MI complex werew ell correlated with the sum of the electronic parameters Σσ and the sum of the hydrophobic parameters Σπ of their substituents. A lonely-paired electron donating...

Stepwise multiple regressive analysis was employed to generate quantitative structure-activity relationships between the activities of12 substituted anilines to form cytochrome P450 metabolic intermediate(P450-MI)comlex and Hansch's physico-chemical parameters of their substituents.The results showed that the activities to form P450-MI complex werew ell correlated with the sum of the electronic parameters Σσ and the sum of the hydrophobic parameters Σπ of their substituents. A lonely-paired electron donating group existing in the para-substituent would enhance the activity to form P450-MI complex.Molecular orbital calculations were adopted to determine the electronic structures of l2 substituted anilines investigated,but no statistically significant correlations were observed between the elctronic structural parameters and the activities in P450-MIcomplex formation.

本文用逐步多元回归分析法导出了12种取代苯胺的Hansch理化参数与取代苯胺形成细胞色素P450(简称P450)─代谢中间体(简称MI)络合物能力的定量结构与活性关系(QSAK)的相关方程式。结果表明,取代基的电性参数之和Σσ、脂溶性参数之和Σπ与形成P450-MI络合物的活性大小具有较好的相关性。对位存在含孤对电子的取代基使活性增大。本文还用分子轨道法MNDO-PM3计算了这些化合物的电子结构参数,没有得到具有统计意义的电子结构参数与活性之间的定量相关方程式。

 
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