以边长为100mm的混凝土立方体试件,测得受压破坏荷载为526KN,若强度标准差为σ=5.0MPa,则混凝土的抗压强度标准值为()。
参考答案:41.7MPa
Man: I’m frustrated.We’re supposed to do our assignment on the computer, but I have difficulty getting access to the computers in the library. Woman: I understand the way you feel. I’m looking forward to the day when I can afford to get my own. Question. What does the woman mean
A.She can’t finish her assignment, either.
B.She can’t afford a computer right now.
C.The man can use her computer.
D.The man should buy a computer right away.
下面有关“装运前检验工作总体质量要求”表述正确的是()
A.出口货物受理报检后,必须认真做好货证核对,核查货物的品种、数量、重量、包装、规格、运输工具、标记、封识等是否与报检单等单证相符
B.严格按照国家有关法律法规、操作规程和有关检验检疫要求实施检验,根据相关检验标准,切实落实出口货物质量的检验工作
C.按检验检疫工作规程认真做好现场检验记录,确保检验结果的真实性和可追溯性
D.对现场检验检疫时发现的问题,如货证不相符、经检验检疫不合格等,可以先出具装运前检验证书再进行处理