邻笨二甲酸氢钾通常于105~120℃下干燥后备用,干燥温度为什么不可过高?

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问题:

邻笨二甲酸氢钾通常于105~120℃下干燥后备用,干燥温度为什么不可过高?

考点:环境科学技术及资源科学技术环境监测环境监测题库
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某县公安局对林某违法作出拘留3天的行政处罚,林某向某市公安局申请复议,某市公安局违法作出拘留7天的行政处罚,为此()

A.某县公安局承担赔偿拘留3天的责任

B.某市公安局承担赔偿拘留4天的责任

C.某县、市公安局共同赔偿拘留7天的责任

D.某市公安局承担赔偿拘留7天的责任

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B超显像检查,妊娠几周才可见到妊娠环

A.2周
B.3周
C.4周
D.5周
E.6周

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The consumer price index tends to:()

A. overstate the inflation rate, because its market basket is fixed and does not consider that consumers will substitute away from goods that have risen dramatically in price.

B. overstate the inflation rate because its market basket is variable and takes into consideration that consumers will substitute away from goods that have risen dramatically in price.

C. understate the inflation rate because its market basket is fixed and does not consider that consumers will substitute away from goods that have risen dramatically in price.

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在时钟写入、控制读出方式中()

A、输入时隙对应于相应的话音存储器单元地址

B、输出时隙对应于相应的话音存储器单元地址

C、输入时隙对应于相应的控制存储器单元地址

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计算包裹运价的起码里程为()。

A.400km

B.300km

C.200km

D.100km

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