磁选法的基本原理是什么?
参考答案:
磁选法是根据各种矿物的磁性不同,因而在磁选机的磁场中受到不同的作用力,使矿物达到分离的目的。
A firm has $3 million in outstanding 10-year bonds, with a fixed rate of 8 percent ( assume annual payments). The bonds trade at a price of $92 per $100 par in the open market. The firm’s marginal tax rate is 35 percent. What is the after-tax component cost of debt to be used in the weighted average cost of capital (WACC) calculations()
A. 9.89%.
B. 6.02%.
C. 9.26%.
放射工作者定期体检的项目中,不包括
A.脑B.眼晶体C.放射线既往史D.红细胞、血红蛋白或全血比重E.白细胞总数及其分类