【单选题】] 已知: 2SO 2 (g)+ O 2 (g)= 2SO 3 (g) △ H =-197.8kJ•mol —1 。起始反应物为 SO 2 和 O 2 (物质的量之比为 2 : 1 ,且总物质的量不变)。 SO 2 的平衡转化率( % )随温度和压强的变化如下表,下列说法不正确的是 温度 /K 压强 / ( 10 5 Pa ) 1.01 5.07 10.1 25.3 50.7 673 99.2 9...
【单选题】5 达到相同转化率所对应的( )相同是一级反应特征的重要判剧。
【单选题】Most goods and services produced at home
A.
a. and most goods and services produced illegally are included in GDP.
B.
b. are included in GDP while most goods and services produced illegally are excluded from GDP.
C.
c. are excluded from GDP while most goods and services produced illegally are included in GDP
D.
d. and most goods and services produced illegally are excluded from GDP.
【判断题】为了使套管式连消塔蒸汽能均匀加热培养基,蒸汽导入管上小孔的分布是上密下疏。
【单选题】()is a logistics center where most inbound goods are the whole truckload and most outbound goods are small pieces.
B.
Collection goods center
D.
Deconsolidation center
【判断题】在连消塔中,培养液在管间高温灭菌的停留时间为2-3分钟
【简答题】连消塔是将培养基用蒸汽 加热至 的设备,分为 和 两类。
【单选题】Most goods and services produced at home
A.
and most goods and services produced illegally are included in GDP.
B.
are included in GDP while most goods and services produced illegally are excluded from GDP.
C.
are excluded from GDP while most goods and services produced illegally are included in GDP.
D.
and most goods and services produced illegally are excluded from GDP.