扫描电子显微镜能利用x射线谱仪的附件来提供化学组份的信息。
The scanning electron microscope provides information on chemical composition by use of X-ray spectrometer attachments.
通过建立和求解一个地区饮水水溶液模型可获得标准致病水与非致病水的各种化学组份活度。
The activities of various chemical compositions of the standard pathogenic water and non - pathogenic water in a region can be estimated through establishing and solving the groundwater aqueous model.
纺织物的UPF值是由组份纤维的化学结构及织物的组织结构特性所决定的。
The UPF of a textile fabric is determined by the chemical structure of its constituent fibres and by its structural characteristics.
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