查询词典 synthetic method

Reduction of FA is the common synthetic method of THFA. These methods include hydrogenation in high-pressure,reduction by hydroborates and reduction by dithionite.

在利用基因工程菌表达的丝氨酸羟甲基转移酶酶法制备L-丝氨酸的过程中，SHMT需要四氢叶酸作为辅酶。

A synthetic method to recognizing ice situation combining Froude,density of drift ice and accumulated negative temperature is produced,the ice process and schedule along the route is predicted and the characteristics and influencing factors of conveying in ice period is analyzed,and the ice danger prevention measures are also advised.

提出了采用Fr数、流冰密度、负积温综合判别不同冰情的方法，预测了南水北调中线工程冬季输水不同冰情的时空分布特征，并初步分析了冰期输水的特性及影响因素，提出了冰期输水冰情防治和预防措施等方面的建议。

The efficient first asymmetric syntheses of-6β-hydroxy-7αH-eudesm-4-en-3-one, and its C-6 epimer were achieved starting from-dihydrocarvone, whichprovide a novel and efficient synthetic method to 6-oxgenated eudesmanes.

以-二氢香芹酮为原料，经五步反应，首次完成了6β-羟基-4(5)-烯-3-羰基桉烷及其6位差向异构体的立体选择合成，并为C-6位含氧官能团取代桉烷类化合物的合成提供了一种简便有效的方法。

AIM To prepare osmotic acrylic resin Eudragit RS,a pharmaceutical excipient,and study the synthetic method.

目的：研究Eudragit RS的合成方法，制备渗透型药用丙烯酸树脂。

This paper introduced a new type of synthetic method on non-formaldehyde dye fixative agent , which was called LXH.

介绍一种新型的无醛固色剂 LXH的合成方法，确定其合成的最佳工艺条件以及应用的情况。

Research new structure rear-earth PMs' synthetic method and study the preparation process, the phase formation rule, microstructure and magnetic properties.

探索合成新型结构永磁材料的方法，研究它们的制备工艺、成相规律、结构和磁性。

The synthetic method of organotin compound has gone through the traditional indirect synthesis with Grignard.

有机锡化合物的合成经历了传统的格氏试剂间接合成法、利用金属锡和卤代烃的直接合成法两个时期。

The synthetic method for hydantoin by using improved Bucherer Berg's synthesis was re-ported.

报告了利用改进的Bucherer－Berg＇s工艺进行乙内酰脲的合成方法。

In this thesis, progress on synthetic method or technology of Molecular imprinting polymers was reviewed.

本文综述了分子印迹聚合物合成技术的最新进展及分子印迹聚合物在色谱分析和分离、固相萃取、仿生传感器等方面的应用。

This article presents a laboratory synthetic method of the thermal polymerization of maleic acid and ammonia.

以马来酸为原料，合成了聚天冬氨酸，并用核磁共振、凝胶色谱等方法对其结构进行了分析，测定了重均分子量。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。