催化剂钝化一般是在催化剂表面形成一层()保护膜,以防止催化剂氧化。
A.树脂氧化物
B.氧离子
C.金属氧化物
D.非金属氧化物
参考答案:C
出具投标保函的银行,应当承担支付保证金责任的有( )。
A.投标人提交的投标文件被确认无效
B.投标人在开标前撤回投标文件
C.投标人在投标有效期内撤销投标文件
D.中标后,投标人拒绝订立合同
E.中标后,投标人拒绝订立与投标文件不一致的合同
Mollette Industries uses the payback period as its primary means for ranking capital projects. Which of the following most likely describes Mollette Industries with regard to location and management educationLocation Management education()
A. European-based firm MBA degree or higher
B. European-based firm Undergraduate degree or lower
C. U.S. based firm MBA degree or higher