下载APP
【多选题】
The typed of signals produced by a SEM include:（）
A.
secondary electron（SE）
B.
back-scattered electron（BSE）
C.
characteristic X-rays
D.
light（cathoduluminescence）（CL）
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】（）is the study of interaction of infrared light with matter, which can be used to identify unknown materials, examine the quality of a sample or determine the amount of components in a mixture.
A.
DSC
B.
DTA
C.
XRD
D.
IR
【单选题】（）is a rapid analytical technique primarily used for phase identification of a crystalline material and can provide information on unit cell dimension
A.
DSC
B.
DTA
C.
XRD
D.
IR
【单选题】（）involves passing visible light transmitted through or reflected from the sample, through a single or multiple lenses to allow a magnified view of a sample.
A.
Optical microscopy
B.
Digital microscopy
C.
Scanning electron microscopy
D.
Transmission electron microscopy
【单选题】（）is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state and electronic state of the elements that exist within a material.
A.
XRD
B.
EDS
C.
IR
D.
XPS
【单选题】对于样式规则background:linear-gradient（toright,red50%,green50%）;错误的是（）
A.
背景是线性渐变
B.
线性渐变的颜色从红色过渡到绿色
C.
红色和绿色之间没有过渡
D.
红色和绿色各占50%