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

Interactive Complexity Complexity is a moving target The underlying factor is intellectual manageability 1. A\simple\system has a small number of unknowns in its nteractions within the system and with its environment

Yale law School Public Law and Legal Theory Research Paper No 52 Center for Law, Economics and Public policy Research Paper No 275 University of virginia School of Law Law and economics research Paper series Research Paper No. 03-1 Contract Theory and the limits of Contract Law Alan Schwartz and robert e. scott

Test 1 Directions: Choose from A), B, C and D) the best answer to complete each of the following sentences 1. No one takes him any more, he's become a figure of fun A)earnestly B)seriously

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MB MC Overview 1 a Chapter l introduces the concept of scarcity as applied in economics(also the No-Free-Lunch Principle). It presents the unavoidable fact that our needs and wants are unlimited and resources available to satisfy them are limited

Longitudinal equations (1-15) can be rewritten as: mu Xuu+ Xww-mg cos 0+ m(w-qUo) =Zuu+ Zww+ Zq-mg sin 000+Z Iyyg =Muu+ Mww+ Mw++ There is no roll/yaw motion, so q 0