The asymmetric transformation of L-proline via formation of salt with (S)-tartaric acid was carried out by using butanal as a catalyst for epimerization in butanoic acid.
脯氨酸通过同（S）-酒石酸形成复盐，在正丁酸溶剂中以正丁醛作催化剂进行不对称转换。
This development of build up-type multilayer PWB is supported by HDI materials' technology, as well as processing technology for fine-pitch circuit formation and fine-via formation.
HDI材料技术、细间距电路形成和微导通孔形成的加工技术支持了积层多层板的开发。
Prevention or reduction of human exposure is best done via source-directed measures, i.e. strict control of industrial processes to reduce formation of dioxins as much as possible.
预防或减少人类接触二恶英的最佳途径是通过控制源头，也就是说，严格控制工业过程，以尽可能减少二恶英的形成。
Cerium conversion films were prepared on anodized aluminum via chemical deposition and electrodeposition respectively, and the mechanisms of formation of the cerium conversion films were investigated.
为探讨铝阳极氧化沉积铈转化膜形成机理，分别用化学沉积和电沉积法在铝阳极氧化膜上制备了铈转化膜。
Via timber assortment and differ skills and techniques on facade formation, the architecture reflects masculinity, vigorous and firm manner of itself.
建筑通过选材与立面造型的不同技法，表现出自身的阳刚之气与雄浑气势。
Leptin may indirectly suppress bone formation via a central nervous relay and may stimulate bone formation via direct peripheral effect.
瘦素通过中枢神经系统通路间接抑制骨形成，而在外周通过直接作用促进骨形成。
This paper presents an analytical thermal model considering via self-heating for estimating the temperature of metal wires and vias and the critical condition for hot spot formation within the vias.
本文详细地讨论了考虑通孔自热的金属互连系统温度分布解析模型以及热点在通孔内形成的临界条件。
Based on the experimental observations, a plausible formation mechanism via continuous collapse self-assembly of nanoplatelets was proposed.
依据所得的结果推断反应是通过一个纳米片不断塌陷的过程形成的。
Aromatics formation are formed not only via the hydrogen transfer reaction between the molecules but also by dehydrogenation and aromatization.
芳烃不仅通过分子间氢转移反应生成，而且通过直接脱氢芳构化反应生成。
Correlation factors between them are analyzed via statistic regression, where thickness of ore formation is regarded as a random variation.
采用回归法分析了矿体厚度与古地貌之间的关系，据统计研究，矿体厚度属随机变量。
It is placed in the formation via a fracture, frac-pack, gravel-pack, or pre - packed screen system.
它通过裂缝或预填充筛管系统放置在地层中。
Methods:Starting from 5-cyanophthalide, escitalopram oxalate was prepared via several steps including nucleophilic addition, hydrolysis, chemical separation, cyclization and salt formation.
方法：以5-氰基苯酞为起始原料，经亲核加成、水解、化学拆分、环化和成盐等反应制得抗抑郁药草酸依地普仑。
In particular, the amorphous titanium oxide is obtained by using the reactive sputtering method and via deposition at a low temperature and at a high film formation rate.
特别是利用反应性溅射法，在低温下以高成膜速度进行堆积，得到非晶的氧化钛。
From 1-phenyl-2-propylamine, selegiline hydrochloride, an anti-Parksins drug, was synthesized via N-methylation, enantiomer separation, N-alkylation and salt formation with an overall yield of 42.2%.
以1- 苯基- 2-丙胺为原料，经N- 甲基化、拆分、N-炔基化、成盐共4步反应合成盐酸司来吉兰，总收率为42。
From 1-phenyl-2-propylamine, selegiline hydrochloride, an anti-Parksins drug, was synthesized via N-methylation, enantiomer separation, N-alkylation and salt formation with an overall yield of 42.2%.
以1- 苯基- 2-丙胺为原料，经N- 甲基化、拆分、N-炔基化、成盐共4步反应合成盐酸司来吉兰，总收率为42。
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