煤矿拒不执行县级以上地方人民政府负责煤矿安全生产监督管理的部门或者煤矿安全监察机构依法下达的执法指令的,如何处理?
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在海拔700m地区(其大气压为9.5mH2O),某多级泵输送温度为40℃的(其饱和蒸汽压为0.758m),则该泵实际允许吸上真空高度为()m。
A. 6.032
B. 6.243
C. 5.652
D. 5.562
在进行毒理学安全性评价时,试验方法和操作技术的标准化是决定评价结果是否可靠的关键所在,目前试验方法和操作技术标准化最具代表性的是()。
A. GLP和SOP
B. GMP和SOP
C. GLP和ISO
D. GMP和ISO
E. GLP和GMP
青年女性蛋白尿患者,诊断首先应注意排除
A. 糖尿病肾病
B. 高尿酸血症性肾病
C. 原发性肾小球肾炎
D. 肾淀粉样变
E. 狼疮性肾炎
A company is using 6to4 tunneling within their IPv6 network. Which two statements about this kindof tunneling are accurate?()
A. 6to4 is a manual tunnel method
B. Prepending a reserved IPv6 code to the hexadecimal representation of 192.168.0.1 facilitates6to4 tunneling
C. Each 6to4 site receives a /48 prefix in a 6to4 tunnel
D. 2002::/48 is the address range specifically assigned to 6to4
E. Prepending 0x2002 with the IPv4 address creates an IPv6 address that is used in 6to4tunneling