共找到 150 条与 曽衍 相关的标准,共 10 页
Przedmiot normy. Przedmiotem normy jest oznaczanie stopnia zabarwienia produktów w?glopo-chodnych z kwasem siarkowym - zwanego równie? stopniem
Coal deriva?ives Me?hods for ?he acid-wash ?es?
Propagation by diffraction
Propagation by diffraction
Propagation by Diffraction
This Recommendation presents several models to enable the reader to evaluate the effect of diffraction on the received field strength. The models
Propagation by diffraction
Propagation by Diffraction
Propagation by Diffraction
Propagation by Diffraction
Propagation by Diffraction
This Recommendation presents several models to enable the reader to evaluate the effect of diffraction on the received field strength. The models
Propagation by diffraction
Propagation by diffraction
Propagation by Diffraction
Propagation by diffraction
本标准规定了X射线衍射仪的术语和定义、产品分类、技术要求、检验规则、测试方法、标志、包装运输、贮存等。 本标准适用于θ-θ、θ-2θ结构测角仪的多晶X射线衍射仪(以下简称衍射仪
X-ray diffractometer
Method for measuring the diffraction efficiency of imaging diffractive optical elements
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