研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
对转酮醇酶在工业上的应用，例如对映体化学物质进行了审查。
The application of transketolase for industrial purposes, such as enantiotopic chemicals were reviewed.
由于这两个版本之间的种种差异，我们建议您在完成迁移后对映射进行测试。
Because of this and other differences in the two versions, we recommend that you test the maps after migration.
除了预定义的字段外，通过对映射定义定制属性，您还可以向扩展映射添加额外的定制字段。
In addition to the predefined fields, you can add extra custom fields to the extension mappings by defining custom attributes on the mappings.
映射规范本身不是持久化了的，这意味着对映射的任何更改都需要相应更改ETL代码或重复整个的映射过程。
The mapping specifications themselves are not persisted, which means any changes to the mapping would require to change the ETL code or to repeat the entire mapping process.
当在运行时期间将基础源映射到集成视图时，源模型的大小、属性的数量和类型可能对映射任务造成负面影响。
The size of source models, number and type of attributes, may negatively impact the mapping task during runtime when mapping the underlying sources to the integrated view.
RDA所识别的映射可以接受到映射模型中，也可以拒绝，这使得建模者可以保持对映射的控制。
Mappings identified by RDA can be accepted or rejected into the mapping model, allowing the modeler to retain control over the mapping exercise.
但根据我们的经验，这些已被证明是一个不错的关于任务和潜在角色的清单，这些角色可以很好的对映到现实单位中的已有角色，这个清单也告诉那些单位是否有必要引入新的角色。
But in our experience, it has proven to be a good checklist of tasks and potential roles that can be mapped to an organization's existing roles, and show where there's a need to introduce new ones.
有关如何做到这一点的详细信息，请参阅本文后面的部分创建名称空间前缀和URI对映射。
For more details on how to achieve this, refer to the later section of this article, Creating namespace prefix and URI pair mappings.
除了提供备份之外，私有映像会记录对映像的所有软件安装和配置，可以节省时间。
In addition to providing a backup, private images will save time by recording all the software installation and configuration for your image.
外部映射文件使开发人员能够定制数据映射，从而获得对映射派生方式的更多控制。
The external mapping file enables developers to customize the data mapping and thereby gaining more control over the way mapping can be derived.
通过对映射使用条件，可以控制映射的逻辑流。
Using conditions on mappings allows you to control the logical flow of the mappings.
如果使用字符映射，则首先考虑是否对映射字符进行规范化，还是对映射后的字符规范化。
If character mapping is used, then first consider whether you want to apply normalization to the character being mapped, or apply normalization after the character is mapped.
对映射节点中可以选择使用的解析器也进行了扩展。
The choice of parsers you can use with the mapping node has also been extended.
通过这种方法，生成的构件从一开始就知道对映射文件的更改，而您不必更改它们。
This way the generated artifacts will be aware of the changes to the mapping file from the beginning, and you won't have to change them.
对映射的全面测试覆盖极为重要。
Thorough test coverage of the mapping is of Paramount importance.
换言之，她对映射所做的更改不会被删除，这与她接受更改时的情况一样。
In other words, her change to the map won't be deleted, which would have been the case if she had accepted the change.
在创建映射时，最好定期对映射进行测试，以确保实现了所需的结果。
While creating a map it is a good idea to test the map periodically to ensure that the desired results are being achieved.
JPA规范定义了对映射继承的三种类型的支持；其中只有一种在当前规范中是强制的
The JPA specification defines three types of support for mapping inheritance; only one is mandatory in the current specification
MapReduce的优点是它允许对映射和缩减操作进行分布式处理。
The advantage of MapReduce is that it allows for the distributed processing of the map and reduction operations.
这些转换根据给定的XPath表达式条件对映射进行分组。
These transformations group a set of mappings based on a given XPath expression condition.
Lucy看到了她对映射(Assign活动)所做的更改，该更改默认情况下是被接受的。
Lucy sees the change that she made to the map (Assign activity) and, by default, it is accepted.
这些组分对映于XML文件的节点，连续的组分匹配嵌套的Element。
These components map to the nodes of an XML document, with successive components matching nested elements.
可以修改Properties选项卡中的所有属性，并且可以在Mapping 选项卡中对映射作出修改。
You can change all properties on the Properties tab, and you can make any changes to the mappings on the Mapping tab.
相互有关的立体异构体作为对映异构体具有相同的连通性，但相互是非重叠镜像。
Stereoisomers related to each other as enantiomers have the same connectivitybut are non-superimposable mirror images of each other.
这两个异构体(对映体)除了旋光度有相反的符号之外，其他所有的物理性质都应该是完全相同的。
All the physical properties should be identical except for the optical rotations of the two isomers (enantiomers), which are of opposite sign.
芳基上取代基的位置和性质以及使用的溶剂都能够影响非对映体2r,4r和2s, 4r在溶液中的相对含量。
The relative contents of diastereomers, 2r 4r and 2s 4r, in solution are influenced by both the solvents used and the characteristics and locations of substituents on 2-aryl.
构型反转能够直接得到所需要的对映体，效率高，但其应用局限性较大；
The configuration inversion can offer the desired enantiomer in high efficiency, but with certain limitation in application.
构型反转能够直接得到所需要的对映体，效率高，但其应用局限性较大；
The configuration inversion can offer the desired enantiomer in high efficiency, but with certain limitation in application.
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