当物料中胺含量上升时，洗胺塔的操作可采取的措施有（）。
A、降低负荷
B、降低塔压
C、增大水烃比
D、降低洗涤水温
参考答案：A, C, D
简要说明原子吸收光谱法的基本原理是什么？
The following data applies to the XTC Company: Sales = $1000000 Receivable = $ 260000 Net Income = $ 50000 COGS = $ 800000 Total Assets = $ 800000 Payables = $ 600000 Debt/Equity = 200% Inventory = $ 400000 What is the average collection period, the average inventory processing period, and the payables payment period respectively for XTC Company Average Average Inventory PayablesCollection Period Processing Period Payments Period（）①A. 55 days 195 clays 231 days ②B. 95 days 183 clays 274 days ③C. 45 days 45 days 132 clays
A. ①
B. ②
C. ③
