用半微量相平衡法研究了RE(NO3 ) 3 His H2 O(RE =Sm ,Gd ,Er)在 2 5℃及全浓度范围内的溶度性质 .结果表明每个体系中分别形成两种不同摩尔比的配合物 :RE(His) (NO3 ) 3
《VFP程序设计》主要学习的是如何使用Visual FoxPro对大量的有关联的数据库数据进行使用和管理.《VFP程序设计》试题库的建设能使VFP程序设计语言的教学过程显得更加有条理,
In high school,the back wall of my French classroom was painted with a Paris scene obviously featuring the Eiffel Tower.Instead of a blank wall,I saw a place I
This paper proposes a novel video object tracking approach using birdirectional projection. Forward projection is exploited to locate the current video object
来电实录二:白女士56岁我的父母都近80岁了,一个是植物人,一个老年痴呆,两个妹妹都在外地,我又是个没结过婚的人,照顾的担子自然就落到我身上。按说,孝敬父母天经地义,但我
文章难度:★★★☆☆词数:373建议阅读时间:7分钟Though there are hundreds of books devoted to 2012,and millions of Websites,depending on what combination of“2012