外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.课件(1)

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.教案(7)

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.教案(5)

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.教案(3)

Legal History for a Dummy: A Comment on the Role of History in Judicial Interpretation of the Confrontation Clause by Peter Tillers* I struggled quite a bit over what I should talk about today. I know a little bit about exploratory fact investigation1 and about related matters such as induction and what philosophers of science call the logic of discovery.2 I thought about discussing the worrisome implications of Crawford v. Washington3

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.教案(1)

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.习题(5)

外研版（三起）（2012）小学英语五年级下册Module 10 Unit 2 I'm in New York now.Module 10 Unit 2 I'm in New York now.习题(3)

1范围 本方法适用于铀矿冶炼排放废水中微量铀的测定,取水样100mL,方法的最低检出浓度 为0.0013mg/L(在吸光度A=0.01时所对应的铀浓度),测定上限为1.6mg/L(取水样1mL) 按本方法萃取分离和显色测定lig铀时,硫酸根50mg;抗坏血酸160mg;钾、铝、铁 (I氯、高氯酸根、磷酸根各100mg、钙90g;镁50mg;钠40mg;镉30mg、铜(20mg 锰(I),铋、钴、镍、铅、钼(VI)、锌各10mg:汞(I)砷(V、钨(VI)、锡(I)各5mg硅酸根 4mg;()铼(VI)各2mg;锆(V锶钍、银、镧、锂、锑、硒各1mg;亚硝酸根0.7mg

1范围 本方法测硒的最低检出浓度为0.06ig/L,测定下限为0.2igL,测定上限为10ig/L本 法适用于河水、电厂、焦化厂、硫酸厂、制革厂、化工化肥厂等多种废水中总硒的测定。 在测定条件下,铝(),铜(Ⅱ)、钴(I)、铅(I)、()各200ig镍(i)100igg()10ig 铁()4mg没有干扰。铜(I)和银()对本法产生负干扰。对于铜,可加入5mL6mol/L盐酸使之 形成稳定络合物,此时可容许10ig铜()存在不干扰本法测定