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【简答题】
已知反应N2(g)+3H2(g)=2NH3(g)在673K时△rGΘm=48．5KJmol-1，△rHΘm=-104kJmol-1，试估计该反应在773K时的△rGΘm。
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【单选题】在高血压检出方案中，血压筛选水平甲假定在高压160mmHg，乙定在高压140mmHg，这意味着（）。
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
查看完整题目与答案
【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的假阳性率比后者高
C.
前者的假阴性率比后者高
D.
前者的阳性预测值比后者高
查看完整题目与答案
【简答题】SDH的信号传输过程中,利用()、()、()和()4类开销完成了层层细化的监控功能。
查看完整题目与答案
【单选题】在高血压的检出方案中，血压筛选水平甲定在高压160mmHg，乙定在高压140mmHg，这意味着（）
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
查看完整题目与答案
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
E.
Only (a) and (b) of the above are true.
查看完整题目与答案
【单选题】CDs may be exchanged for money before its maturity date either in money markets or at commercial banks.
A.
Right
B.
Wrong
C.
Doesn't say
查看完整题目与答案
【多选题】在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg,而B医师将将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】磷酸盐是一类具有多种功能的物质，在食品加工中具有明显的改善品质的作用。下面哪一项不是其作用机制是()。
A.
提高体系pH值
B.
增加离子强度
C.
乳化油脂
D.
解离肌动球蛋白
查看完整题目与答案
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
查看完整题目与答案
【单选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which of the following statements is false?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock‐markets for shares and loan bond markets
D.
Money markets provide short‐term debt finance and investment
查看完整题目与答案
相关题目：
【单选题】在高血压检出方案中，血压筛选水平甲假定在高压160mmHg，乙定在高压140mmHg，这意味着（）。
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
查看完整题目与答案
【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的假阳性率比后者高
C.
前者的假阴性率比后者高
D.
前者的阳性预测值比后者高
查看完整题目与答案
【简答题】SDH的信号传输过程中,利用()、()、()和()4类开销完成了层层细化的监控功能。
查看完整题目与答案
【单选题】在高血压的检出方案中，血压筛选水平甲定在高压160mmHg，乙定在高压140mmHg，这意味着（）
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
查看完整题目与答案
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
E.
Only (a) and (b) of the above are true.
查看完整题目与答案
【单选题】CDs may be exchanged for money before its maturity date either in money markets or at commercial banks.
A.
Right
B.
Wrong
C.
Doesn't say
查看完整题目与答案
【多选题】在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg,而B医师将将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】磷酸盐是一类具有多种功能的物质，在食品加工中具有明显的改善品质的作用。下面哪一项不是其作用机制是()。
A.
提高体系pH值
B.
增加离子强度
C.
乳化油脂
D.
解离肌动球蛋白
查看完整题目与答案
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
查看完整题目与答案
【单选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which of the following statements is false?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock‐markets for shares and loan bond markets
D.
Money markets provide short‐term debt finance and investment
查看完整题目与答案