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1.在银电极上,C,Br和均可进行下述反应。 ag+=10-6mol/leaa.790.09log10-0.445V E AgCL,Ag=.222 V, E AgBr,Ag=0.071V, E Aglr,Ag-0.152V) Ag(s)+X= AgX(s)+e\ 试问:(1)若Br和的起始浓度都是0.05mol/l,可否用恒电位电解法分离r和?
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Tellegen's theorem 1: Consider a lumped network n consisting of N+1 nodes and B branches, let=[ b2DbB,i=. Where
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1范围 本方法适用于地面水、饮用水、污水、电子电镀、生化等一般工业废水中NO3N的测 定。 本方法的检出限为0.21mg/LNO3-N。线性测量范围为1.00~1000mg/lno3-n 试验了sO2、pO4、Cr、Br、I、Ac、HCO3、CO32、C2O42、nO2、s2、+、nH4、 A13+、Ca2+、Mg2+、Zn2+、Cu2+、Pb2、Fe2+、Fe+对测定的干扰,其中s2、r明显干扰,Br 大于57倍,NO2大于32倍,C大于250倍时有干扰,其他均无干扰
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1范围 本方法适用于地面水、饮用水、生活污水及一般工业废水中C含量的测定。检出限为 0.9mg/L,线性范围是9.0~1000mg/L Br、s2对本法有明显干扰,超过0.36倍时干扰测定。K+、Na、Cu2+、Zn2+、Ca2+、Mg2+、 Pb2+、Fe3+、AP+、NH4+、Ac、HCO3均不干扰测定。其中s2的干扰可用加入少量的硝酸铅消 除。Br、的干扰可从测得的总卤素离子的含量中扣除Br、含量的方法消除
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Economic growth‖ Is there some action a government of India could take that would lead the Indian economy to grow like Indonesia's or Egypt's? If so, what, exactly? If not, what is it about the \nature of India that makes it so? The conse- quences for human welfare involved in questions like these are simply stag- gering: Once one starts to think about them, it is hard to think about Robert E. Lucas, Jr
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9. The Producer's Problem a. Firms and Maximization b. Production Functions C. Supply and Profit Functions d. Cost Functions e. Duality and Producers f. Application: Urban Systems
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This means that in the cascade of Ho(s) with F(s), the effect of the RHP zero on the amplitude of the product is cancelled out, but the effect on the phase is not In fact, the phase lag due to the RHP zero is doubled in the product. Note:
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insolubility. Administration of cystamine, a transglutaminase inhibitor, reduces the To date, 10 neurological diseases, including aggregate formation, retarding the Huntington's and several ataxias, are caused development of neurological phenotype and by the lengthening of glutamine(@) tracts in prolonging the life span of brain cells in various proteins with no obvious functional or transgenic mouse models
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给定S3=S3(t),一个独立参数1=01(t唯一确定,该机构仅需要一个 独立参数。若仅给定θ1=θ1(t),则θ2、03、4均不能唯一确定。若同时给 定θ1和θ4,则3、02能唯一确定,该机构需要两个独立参数
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