There are many examples that fluid flows on rough wall, such as channel flowin nature, pipe flow, etc. In order to know the flow structure of real fluids,it is
本文结合工作实践,简述了应用微机作潮流预报的方法,介绍了在IBM PC机上用FORTRAN语言编制往复式潮流的最大流及转流预报程序的有关情况,并向读者提供了根据出版的版式与电子
十八届三中全会的召开,让人们对改革有了新的期待。本文拟从新制度经济学中“交易费用”的视角入手,全面透视改革的概念、动因和路径,进而揭示改革的逻辑。
The Third Plena
A rather complete sea ice model is given, which deals with not only thermodynamic and dynamic processes commonly used in previous models of sea ice but also a
于联生等同志根据Geomagnetism in marine geology(Elsevier Oceanography Series,6,1972)翻译的《海底地磁学》一书,已于1984年由科学出版社出版。 作者维克多·瓦奎尔(Vic
中华文明源远流长，佳作浩繁，而古诗词则是中华传统文化宝库中最耀眼珍宝，是一枝最为艳丽的奇葩。它们以精练、优美的语言，抒发达国家人类美好的情感。先秦以来，被列为“六经”之一的“诗三百”，成为每个读书人启蒙学习和终身受用的经典。一个人如能熟背一些古诗词，将开阔野、增长知识，提高文学修养。作为语文教师，若能想办法来调动学生诵读古诗词的积极性，激发学生学习古诗词的兴趣，引领学生在经典中畅游，对语文学习的拓
由山东省海洋仪器仪表研究所研制的QXS 3—1型全浸式水下照相机于1989年10月24日下午在青岛通过鉴定。该照相机属全天候型水陆两用照相机,它主要用于水下工程设施的检查,海
A contrasting study of the large-scale circulation features responsible for months or seasons with many hurricanes and those with few hurricanes has revealed t
Determinded in this paper are 18 isotherms of Cu2+ and Pb2+ partitioning between liquid and solid (kaolinite, illite and montmorillonite), all proved to be “i