用流式细胞技术对免疫细胞分析时,最常采用的是
A.单参数直方图
B.双参数直方图
C.三参数直方图
D.多参数直方图
E.三参数散点图
参考答案:B
解析:双参数直方图最为常用。
切片干燥的目的()。
A.去除切片中的水份
B.提高无油丝粘度
C.提高切片的熔点
D.提高切片的特性粘度
Low earnings quality NOT result from()
A. selecting accounting principles that misrepresent the economics of transactions.
B. structuring transactions primarily to achieve a desired effect on reported earnings.
C. excessive pressure on management and employees to meet internal targets.