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- Double helical structure of DNA and types of DNA helices. 去氧核糖核酸的双螺旋结构与其类别。
- Design, Synthesis and Optical Properties of a New Type of Chiral Molecular Square with Double Helical Structure 一种新的具有双螺旋结构特征的光学活性分子方的设计、合成及其光学性质
- Analysis on the Social Conditions of Discovering the DNA Double Helical Structure 浅析DNA双螺旋结构发现的社会条件
- Experimental Study of Helical Baffled Heat Exchanger with Double Helical Structure 双螺旋结构螺旋折流板换热器试验研究
- DNA double helical structure DNA双螺旋结构
- double helical structure 双螺旋结构
- The results showed that BK chromosomes reveal a multiple double strand helical structure . 观察到BK染色体具有多级双股螺旋结构。
- The high laevorotation of L-cystine depends on a specially helical structure of its molecular. 指出了L-胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的。
- We also demonstrated that a DX molecule containing another small double helical region (called a DX + J molecule) is very stiff. 我们也证实,DX分子外加其他双股螺旋小片段所形成的DX+J分子也一样坚固。
- A couple walking in the park noticed a young man and woman sitting Helical Structure Resulting in Optical Activity on a bench, passionately kissing. 一对夫妇在公园里散步,发现一对年轻的男女坐在一条长凳上,动情螺旋结构导致旋光性地接吻。
- The relationship between helical structure of chira l molecules and their optical activities has been concerned permanently by organ ic chemists. 手性分子的螺旋结构与其光学活性的关系,是有机化学家长期关注的问题。
- Using 2-aminopyridine as an organic ligand and a structure-directing agent, we have synthesized a new zinc phosphite (C5H6N2)Zn(HPO3) containing double helical chains. 我们以2-氨基吡啶为结构导向剂和配体分子,合成了一种新颖的具有双螺旋链的亚磷酸锌层状化合物(C5H6N2)Zn(HPO3)。
- The CD spectra showed that the addition of glycerol to the collagen did not damage the native triple helical structure of collagen. 圆二色谱表明,甘油的加入没有改变胶原天然的三股螺旋结构。
- Two kinds of quantitative deductions of optical value in molecular helical structure have been made.As a result,the same conclusion has been drawn in this article. 本文就分子中螺旋结构的模型机理与旋光性的两种定量方法进行了描述;并找出了它们的一致性;得出了相同的结论.
- double helical gear milling machine 人字齿轮铣齿机
- double helical double-reduction unit 两级人字齿轮减速器
- double helical double reduction unit 两级人字齿轮减速器
- double helical ribbon and screw impeller 双螺带-螺杆搅拌桨
- Helical Structure Resulting in Optical Activity 螺旋结构导致旋光性
- Keywords synthesis;cryptate;helical structure; 合成;穴合物;螺旋结构;