论文部分内容阅读
Gartner报告称Twitter颓势渐显/谷歌开始测试新版搜索引擎
【出 处】
：
中国信息化
【发表日期】
：
2009年16期
其他文献
Discuss and develop some contents which are relevant to the IEEE Std 647TM-2006 in this paper. The IEEE Std only involves Allan variance, and decomposes it into
Growth and morphology of potassium sodium strontium barium niobate single crystal with large diamete
Potassim sodiam strontium barium niobate (K_(1-x)Na_x)_2m(Sr_(1-y)Ba_y)_(1-m)Nb_2O_6,abbreviatedas KNSBN crystal family is one of the best photorefractive mate
Comparison of the reaction speed and yield with its analogues and some conventional peptide coupling reagents, pentafluorophenyl diphenylphosphate (FDP) was sh
目的探讨学校预防艾滋病教育对农村小学四年级学生知识、态度和行为的影响,为在中国农村小学开展预防艾滋病教育提供参考依据。方法以河南省某农村地区8所农村小学全体四年级
Dynamic isotope effects on relaxation rate of quadrupolar nuclei are preliminarily reported. The relaxation rates of 17O and 14N in 12 simple organic molecules
艾滋病(Acquired immune deficiency syndrome,AIDS)是全球面临的严重公共卫生问题之一。2009年全球新增艾滋病感染人数在15～24岁的青年人为4 000人。青年大学生是处于性成熟
太极图：东方太极科学之光束景南一、“太极图”原始名称叫“先天图”我们今天所能见到的最早的“阴阳鱼图”出自宋代，“太极图”起源的年代当距此不远。但是从宋代到明代，凡是称