链烷烃
- 网络Alkane;Paraffin
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将结构矩阵应用于链烷烃色谱保留指数的预测。
The structure matrix was applied to forecast chromatograph retention index of alkane .
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利用链烷烃测定放牧羊驼采食量及种类的研究
Study on assessing the intake and the species of grass grazing by Alpaca with alkane
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有机物临界压缩因子Zc的估算链烷烃的偏心因子和临界压缩因子定量构效关系
Quantitative structure-property relationship of eccentric factor and critical compressibility factor of chain alkanes
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经DNA测序和氨基酸序列分析,证实目标片段编码的肽段含有烃羟化酶的特征基序.由此确认采用该方法分离到了长链烷烃降解基因的alkB同源体片段。
From DNA sequencing and analysis of peptide sequence , signature motifs of alkane hydroxylase were found in target product of PCR .
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分别添加长链烷烃和糖淀粉都能引起激基缔合物的荧光强度减弱和单体荧光强度的增强,表明An和长链烷烃共簇集,与糖淀粉形成包结物。
The addition of long chain hydrocarbon and amylose resulted in the reduction of excimer emission and the enhancement of monomer fluorescence .
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长链烷烃分子吸附增强效应的STM图像理论研究
Theoretical Study of Adsorption Effects of Long Chain Alkane System in STM Images
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用分子连接性指数关联和预测链烷烃的pVT性质
Correlation and prediction the PVT properties of linear alkanes by molecular connectivity index
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δYi和1ωY、1χY揭示了链烷烃化合物与物理化学性质的内在规律;
The inner rules in Alkanes and their physico-chemical properties were also discovered by δ Y I , 1 ω Y and 1 χ Y.
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运用模糊神经网络表达和预测链烷烃pVT性质
Expression and Prediction of the pVT Properties of Linear Alkanes Using Fuzzy Neural Networks
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方法将生物素化等位基因特异性寡核苷酸固定于生物芯片上长链烷烃硫醇自组装单层已连接链霉亲和素(SA)的部位。
Methods Allele specific biotinylated oligonucleotides were immobilized onto defined areas of streptavidin tethered self assembled monolayers of long chain alkane thiols on biochips .
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酞菁与溴代长链烷烃在HOPG上自组装行为的STM研究
STM Study of a Self-Assembly Behavior of Phthalocyanine and Bromic Long Chain Alkanes on HOPG
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SAPO-11分子筛在长链烷烃临氢反应中的选择效应
Effect of SAPO-11 on hydroisomerization reaction of Long-Chain Paraffin
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以距离矩阵为基础,建构调和均根拓扑指数(K),以表征链烷烃分子的大小和分支情况。
A topological index ( K ) of square root of harmonic average based on the distance matrix , which can be used to characterize the size and branching for alkanes , is derived in this paper .
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本论文合成了4种含有疏水长链烷烃和亲水醚键连接的噻二唑两亲性TTF衍生物,并用多种手段进行表征,确定其分子结构。
In this paper , four amphiphilic TTF derivatives were synthesized and characterized by kinds of techniques to ensure the molecular structures .
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结合路径数P2和P3对链烷烃的偏心因子ω和临界压缩因子Zc进行研究。
Along with the path number P_2 and P_3 , the study was conducted on eccentric factor ω and critical compressibility factor Z_c of alkanes .
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半咸&咸水沉积环境烃源岩的油样具C7链烷烃含量高(平均约60%)、N/I值低(小于2)的特点;
Those in brackish to saline environments have high C7 alkane ( 60 % on average ) and low N / I ( below 2 );
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以一阶分子连接性指数1χ为分布变量,研究了链烷烃SRK状态方程参数与1χ的关系。
The relationships between parameters of SRK state equations and molecular connectivity index 1 χ are studied with 1 χ as distribution variables .
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Pt-Sn催化剂经(NH4)2S硫化用于长链烷烃脱氢,实验室研究结果表明用(NH4)2S硫化不但可以提高催化剂的稳定性,而且也提高初活性。
The Pt-Sn catalyst sulfurized by ( NH 4 ) 2S can be used for catalytic dehydrogenation of paraffin . The results of laboratory researches showed that the sulfurization could enhance the stability and initial activity of catalysts .
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链烷烃中正构烷烃的碳数分布为C20&C38,其中环烷烃的含量低于NMR的检测限,环烷烃的总离子流色谱图显示出其中的链烷烃含量很低。
The carbon number distribution of normal paraffin in alkane is C_ 20 & C_ 38 . Cycloparaffinic hydrocarbon in alkane is less than the detection limit of NMR , and the total ion chromatogram of cycloparaffinic hydrocarbon shows that the content of alkane in cycloparaffinic hydrocarbon is very little .
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采用气相色谱分析法,考察VD3菌对不同烃类的利用。结果表明,该菌既能降解烷烃,也能降解芳烃,对长链烷烃正廿四烷的降解率大于正十六烷。
The GC analysis results indicated that both alkane and polycyclic aromatics were degraded by VD 3 , while the degradation of tetracosane was higher than that of n hexadecane .
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本文采用广义休克尔法(EHMO)与全略微分重叠法(CNDO/2)计算了链烷烃及其自由基的反应活性指标。
In this paper , Extended Huckel Molecular Orbital Theory ( EHMO ) and Complete Neglect Differential and Overlap Method ( CNDO / 2 ) are used to calculate chemical reactivity indices of paraffins and their radicals .
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长链烷烃脱氢主反应及其失活过程表观动力学研究在HgCl2&(工业)活性炭催化剂上乙炔氢氯化反应动力学和失活动力学的研究
KINETICS OF CATALYTIC DEHYDROGENATION OF LONG CHAIN PARAFFINS AND ITS DEACTIVATION Studies on Reaction Kinetics and Deactivation Kinetics of Vinyl Chloride Synthesis via Hydrochlorination of Acetylene on HgCl_2 - Activated Carbon Catalyst
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以正十六烷为模型烃的实验表明,链烷烃在亚(超)临界水的热裂解中遵循FSS机理,其主要产物是C8-C14的正构烷烃和同碳数的α-烯烃。
Thermal cracking using n-hexadecane as a model compound suggests that pyrolysis of paraffins in sub - and supercritical water still follows FSS mechanism , whose main products consist of C8-C14 n-alkanes and α - alkenes with the same carbon number .
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实际上,对于组分分子结构非常相似的链烷烃溶液体系,Huron-Vidal混合规则中的超额吉布斯自由能()近似为零,由此可以导出不含能量项的简化混合规则。
In fact , the structure of alkane molecules are very similar to each other , so it is reasonable to assume that the excess Gibbs free-energy appearing in the Vidal mixing rule should be equal to zero for alkane systems .
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链烷烃热裂解过程结构动力学模型与模拟
Structural kinetic model of pyrolysis process of paraffins and its simulation
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甘蔗烷醇有效部位烷醇含量测定研究链烷烃,石蜡烃链烷系列的一种
Study on Assaying of Alkane Alcohol in Sugarcane Wax Effective Part
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基于因子分析法的链烷烃热力学性质预测
Predicting the Thermodynamic Properties of Aliphatic Alkanes Based on Factorial Analysis
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长链烷烃选择性催化氧化合成脂肪酸
Fatty acid synthesized by selective catalytic oxidation of long chain paraffin
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链烷烃在非角鲨烷柱上保留指数的预测
Predicting the Retention Indices of Alkane on non - Squalane Stationary Liquids
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链烷烃标准燃烧热的拓朴计算法
Calculation of standard combustion heat for paraffin by Topologic method