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2020年9月9日 · 在过去的二十年里，uphill烯烃异构化、去外消旋化以及一系列动态动力学拆分（dynamic kinetic resolution, DKR）已成功地使用了动态立体控制。 其中DKR通过底物对映异构体的快速相互转化以及立体选择性成键，将外消旋底物转化为纯对映体和非对映体（图1A，右）， …

In a DKR, the rate of racemization of SM is fast relative the rate of the asymmetric transformation. Thus, using DKR, possible to convert 100% of racemic SM to enantiopure product due to equilibrating racemization of SM. How can we control the two processes: racemization and asymmetric transformation? Tai observes DKR phenomenon in 1979. cat.

2025年1月24日 · WMT (Workshop on Machine Translation) 是一个专注于机器翻译的国际研讨会，提供标准化的数据集和评估方法，经常组织竞赛，以比较不同翻译模型的性能。 WMT 2014 提供了多种平行语料（如英语-德语、英语-法语）数据集，用于训练和评估机器翻译模型。

Dakar to Zunyi distance (DKR to WMT) How far is Zunyi from Dakar? The distance between Dakar (Dakar Léopold Sédar Senghor International Airport) and Zunyi (Zunyi Maotai Airport) is 7676 miles / 12353 kilometers / 6670 nautical miles.

2011年5月27日 · This review is intended to update the principal techniques used to obtain DKR by either enzymatic or non-enzymatic methods and illustrates the diversity of useful products that can be obtained through this powerful concept, covering the literature from 2008 to 2010.

2007年4月1日 · In situ racemization of the slow-reacting enantiomer leads to an overall deracemization by dynamic kinetic resolution (DKR), and makes it possible to achieve a 100% yield (Figure 1). Racemization can be performed by …

This process is known as dynamic kinetic resolution (DKR). DKR is an example of a Curtin-Hammett system in which the composition of products is controlled by the free energies of the transition states and not the composition of the starting materials.

2024年11月2日 · wmt数据集主要用于机器翻译任务，包含了多种语言对的翻译数据，如英语-德语、英语-法语等。 数据集包括平行语料库、单语语料库以及用于评估翻译质量的测试集。

2022年2月16日 · There is the Newscommentary in WMT14, WMT15, WMT16 and so on. How much does the dataset differ from each conference? Is it possible to read this somewhere? The most straightforward way is to check the article published to summarize the results of each WMT, where you can find the figures of each of the datasets supplied for the competition e.g.