2-2 普通煤的成分分析结果(质量分数)如下: C : 65.7% ;灰分: 18.1% ; S : 1.7% ; H : 3.2% ;水分: 9.0% ; O : 2.3% ;含 N 量不计 ( 1 )计算燃煤 1 kg 所需要的理论空气量和 S O2 在烟气中的浓度 ( 2 )假定烟尘的排放因子为 80% ,计算烟气中灰分的浓度 ( 3 )假定用流化床燃烧技术加石灰石脱硫,石灰石中含 C a 35% ,当 C a/S 为 1.7 (摩尔比)时,计算燃煤 1 t 需加石灰石的量
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】What is the Weibull distribution?
A.
It is the curve recording the number of faults in wind farms and lost running time as a function of operating hours
B.
It is the curve showing the real power output from a wind turbine as a function of wind speed.
C.
It is the characteristic distribution of mean wind speeds at a particular site.
D.
It is a measure of how gusty and turbulent wind is at a site.