straight chain
英 [streɪt tʃeɪn]
美 [streɪt tʃeɪn]
网络 开链; 直链; 链状结构
双语例句
- The term "normal" applies to the isomer that has all its carbon atoms linked in a straight chain.
对这类异构体采用正构一词是因为这类异构体的全部炭原子都以直链形式连在一起。 - Calculation of the Non-Bonded Atom Pairs Distance in Straight Chain Paraffins with Analytical Projective Method
投影解析法求直链烷烃内旋转时非键原子对间距离链烷烃，石蜡烃链烷系列的一种 - Selective Coupling Reactions of Grignard Reagents with Acyl Halides by Copper Complexes Catalysis& Synthesis of Straight Chain Ketones
铜催化下格氏试剂与酰卤的选择性偶合&直链酮化合物的合成 - Thermal Stabilization Mechanism of Lanthanum Straight Chain Fatty Acid Salt on PVC
直链脂肪酸镧对PVC的热稳定作用 - Hyaluronic acid ( HA) is a kind of straight chain mucopolysaccharide with high molecular weight.
透明质酸（HyaluronicAcid，HA）是一种高分子量的直链酸性粘多糖。 - Selectivity of lipase from straight chain alcohol is better than from branch chain alcohol.
固定化脂肪酶对直链醇的选择性优于支链醇。 - Study of Chromatographic Retention Behavior of Acid Dyes with Straight Chain Alkyl Groups
直链烷基酸性染料色谱保留行为的研究 - Standard Transfer Free Energies of KBPh_4 from Water to Straight Chain Monohydric Alcohols
KBPh4从水到直链一元醇中的标准迁移自由能 - The Boiling Point-Structure-Retention Index Relation of Straight Chain Alkenes
直链烯烃的沸点、分子结构和保留指数间的关系 - The straight chain diatomite layer is mainly grade ⅱ with the higher Fe content and thickness steadily.
直链硅藻土矿层厚度稳定，主要是Ⅱ级土，含Fe较高； - The Catalysis of Aluminium Titanium Alloy Bromide in the Isomerization Reaction of Straight Chain Alkane
铝钛合金溴化物对直链烷烃异构化反应的催化作用 - In order to describe and estimate properties of straight chain alkylbenzenes, the phenyl site index was proposed.
为了表述和估计直链烷基苯的性质，提出苯基位置指数。 - Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols.
试验表明HZ型固体酸是饱和直链羧酸和伯醇直接酯化的特效催化剂。 - Reaction Research of Straight Chain Olefin Hydrocarbons over FCC Catalyst Matrixes
FCC催化剂基质组分直链烯烃反应研究 - Straight chain alcohols range from 10 to 33 with the hydroxyl group at every theoretically possible positions.
此外还检出了一整套直链一元仲醇同系物，其碳数从10至33，而羟基可在任何理论上可能的碳位上。 - Pancreatic polypeptide is a straight chain polypeptide with 36-amino acid residues and a younger gut hormone.
胰多肽为含有36个氨基酸残基的直链多肽，是70年代后期发现的一种胃肠激素。 - After application of the mixed fertilizer, quality of rice was improved, the rate of chalk and the content of straight chain starch were reduced. The taste of rice was improved too.
施用无机－矿质肥料可以改善稻米品质，提高精米率，降低垩白率和直链淀粉的含量，增加稻米的食味性。 - The effects of straight chain alcohols with different chain length, C8 alcohol isomers, structures of hydrophilic group and kinds of catalyst on the permeability were examined.
考察了不同碳链长度的直链醇、C8醇同分异构体、亲水基结构及催化剂种类对渗透性的影响。 - The quantitative relation model was established between the fundamental or sum frequency and properties of straight chain alkanes.
在此基础上建立了直链烷烃的物化性能与基频和总频之间的定量相关模型。 - The Prediction of the Self-Association Constant of Straight Chain Alcohol
直链醇自缔合常数的预测 - Aliphatic alcohols with branched chain had a little stronger ability to extracting penicillin than straight chain alcohols with the same number of carbon atoms, and water content in organic phase was reduced at the same time.
具有相同碳原子数、带支链的脂肪醇对青霉素的萃取能力比直链醇强，平衡后的有机相水含量下降。 - The longer the chain length of straight chain monoacids is, the stronger the effect on the cloud points is.
直链一元酸的加入均使浊点下降，且酸的碳链越长影响越大。 - It was shown that the phenyl site index of straight chain alkylbenzene isomers and low-carbon alkylbenzenes is a useful topological index and can be applied to structure-property correlation.
结果表明：直链烷基苯的异构体和低碳烷基苯的苯基位置指数作为一种拓扑指数，可应用于结构-性质相关关系的研究。 - The effects of chain length of straight chain alcohol on the structure and stability of lamellar liquid crystal
直链醇链长对层状液晶结构与稳定性的影响 - Graphical Method of π-Electron Energy Spectrum with Conjugation in Straight Chain Molecule oS Polymer
直链共轭高聚物分子π电子能谱的图形方法 - Gas Chromatographic Investigation of Straight Chain Alkylbenzene Isomers
长链烷基苯异构体的气相色谱研究 - According to the differences in the structure of starch molecules, starch can be divided into two kinds of straight chain: amylose and amylopectin.
根据淀粉分子结构的差异，可将淀粉可分为直链淀粉（amylose）和支链淀粉（amylopectin）两种。 - The I antigen is a straight chain of N-acetylgalactosamine repeating units, whereas the I antigen is characterized as the branched chain which is branched by the β-1,6-N-acetylglucosaminyltransferase.
i抗原是直链型的N-乙酰半乳糖胺重复单位，Ⅰ抗原为支链形式，由p-1,6-N-乙酰糖基转移酶进行支链化。 - Scientific name of chitosan ( CS) is poly glucosamine, which is a polysaccharide of straight chain from chitin with de-acetyl.
壳聚糖（CS）学名聚氨基葡萄糖，也称几丁聚糖，是甲壳素脱乙酰基后的高分子直链型多糖。
英英释义
noun
- an open chain of atoms with no side chains