【单选题】C3H8在氧气中完全反应的浓度是( )。
【单选题】申请材料不齐全或者不符合法定形式的,应当当场或者自收到申请材料之日起( )日内一次性告知申请人需要补正的全部内容。
【判断题】申请材料不齐全或者不符合法定形式的,应当当场书面告知申请人不予受理并一次性告知需要补正的全部内容。
【多选题】丙烷(C3H8):()
B.
比空气重,lNm3丙烷重1.966kg。Heavier than air, lNm3 propane weighs 1.966kg.
C.
20℃及0.85MPa以上时呈液态。Liquid state at 20℃ and above 0.85MPa.
D.
丙烷的热值介于86403~93889kJ/m3。The caloric value of propane is between 86,403 and 93889kJ/m3.
E.
天然气中含量一般在0.005%~4%之间。Natural gas generally contains between 0.005% and 4%.
【单选题】Which of the following least represents supply side policy to increase long term economic growth ?
A.
A reduction in business taxes
B.
A rise in government spending on education
C.
A fall in interest rates
D.
Less regulation of industry
【简答题】北京奥运会“祥云”火炬燃料是阿烷(C 3 H 8 ),亚特兰大奥运会火炬燃料是丙烯(C 3 H 6 )。 (1)丙烷脱氢可得丙烯已知 C 3 H 8 (g)=CH 4 (g)+HC=CH(g)+H 2 (g) △H1=156.6 kJ/mol。 CH 3 CH=CH 2 (g)=CH 4 (g)+HC=CH(g) △H2=32.4 kJ/mol。 则相同条件下,反应C 3 H 8 (g)=CH 3...
【单选题】申请材料不全的应当一次性当场告知或者( )日内一次性告知
【判断题】The term supply chain information system (SCIS) is well defined and commonly understood.
【单选题】The ________ of the term structure states the following: the interest rate on a long-term bond will equal an average of short-term interest rates expected to occur over the life of the long-term bond ...
A.
segmented markets theory
C.
liquidity premium theory
D.
separable markets theory