【简答题】可变电阻器可以把机械运动转换成一个电信号。
【简答题】I. Match the currencies with their countries.
【简答题】I. Match the following words with their meanings.
【简答题】I. Match the description of the model with the correct picture.
【简答题】I. Match Exercise.A. CEOB. CFOC. CTOD. COO
【简答题】在一个标准大气压下,连续精馏塔分离某二元物系混合物。已知进料量为40kmol/h,料液中二元物系的易挥发组分含量为40%(摩尔分数),馏出液含96%,塔釜残液应小于4%,物系的相对挥发度为2.5,回流比为4,泡点进料,塔顶为全凝器,泡点回流,塔釜为间接蒸汽加热。试求从塔顶算起第二块理论板汽液相的组成。
【简答题】I. Match the headings with the paragraphs.