首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置:
首页
>
为保证所测BOD5的准确性,经稀释后的水样培养五天后,耗氧量应在( )以上。
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
为保证所测BOD5的准确性,经稀释后的水样培养五天后,耗氧量应在( )以上。
A、1.0mg/L
B、2.0mg/L
C、3.0mg/L
D、4.0mg/L
时间:2021-09-01 20:28
关键词:
联大
河南城建学院
变形观测
答案解析
B
相关问题
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
为保证所测BOD5的准确性,经稀释后的水样培养五天后,溶解氧的残留量应在( )以上。
为保证所测BOD5的准确性,经稀释后的水样培养五天后,耗氧量应在( )以上。
最新问题
Logistic回归系数与优势比OR的关系为()。
OR的流行病学含义为()。
ORS液配制后的张力为()
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
已知A=40;B=30;C=100;D=50,逻辑“与”运算符为and,“或”运算符为or,“非”运算符为not。计算表达式(A>B+20)or(B+60
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
别人在看