轻苯加氢反应器外壁的温变色漆起什么作用?
参考答案:
防止反应器内隔热层损坏引起壳体局部过热,反应器外壁涂有温变色漆,以便随时监测。
化学与生活、社会密切相关。下列说法不正确的是
A.可利用废油脂制肥皂
B.合金中可能含有非金属元素
C.水玻璃可用于制造木材防火剂
D.煤经气化和液化的物理变化可变为清洁燃料
A company reported its latest annual report as following: Net income = $1000000 Total equity = $5000000 Total assets = $10000000 Dividend payout ratio =40% Based on the sustainable growth model, the most likely forecast of the company's future earnings growth rate is:()
A. 12%.
B. 8%.
C. 4%.