二种信仰

这个世界向来就存在着两种相互影响的对称力量,比如生物界里的雄性和雌性,政界中的左派和右派、或者保守派和激进派,中国人的“阴”和“阳”概念。在这场波及全国范围里的关于是否应“敬畏自然”的争论中,     

Biodiversity Hotspots More at Risk of Alien Invasion,Study Finds

正Biological invasion is a major threat to global biodiversity and ecosystem functioning.Understanding where invasion hotspots are located and how they overlap with biodiversity hotspots is crucial for prioritizing conservation efforts to prevent or mitigate the impacts of alien species on global biodiversity.     

活用陶行知教育思想,让英语课堂更高效

在不断探索和实践新课改的理念中，提高英语课堂教学的有效性主要通过以下几个途径：认真备课作基础、激情导入开好头、合作学习同进步、师生融洽效率高、激活思维巧提问、及时表扬多激励。     

More scientists elected into CAS

On December 9, 2011, the Chinese Academy of Sciences announced the election of 51 new Members and nine Foreign Members, bringing the total number of its Members to 727 and Foreign Members to 64. The newly elected CAS Members have an average age of 52.6 and about 90 percent of them had the experience of studying     

关于伴随矩阵性质的进一步讨论

进一步讨论了伴随矩阵的秩、可逆性、特征值及一些特殊矩阵的伴随矩阵,并加以证明,力争对伴随矩阵有一个较完整的认识。     

较为精密的Mulholland不等式

通过引入参数λ,应用改进的Euler-Maclaurin求和公式,给出一个具有最佳常数因子的较为精密的Mulholland不等式,作为应用,给出了它的等价形式。     

Making Artificial Seawater More Natural

Marine fish will die if placed in fresh water and they cannot live in simple salt water. Instead, they need water that contains a mixture of different ingredients, as found in natural seawater. Conventional methods of making artificial seawater have shortcomings, because the water so achieved is only composed of mineral elements and lacks organic components similar to those in natural seawater.     

给课堂注入“兴奋剂”

兴趣是学习的动力。只有激发了学生的学习兴趣,充分调动起积极性,才能使学生自发主动地去学习,从而真正体会到学习的乐趣。特别是在小学低年级的数学学习中,老师们更应该通过精心的设计,让学生都爱上数学学习,从而最终提升其学习效果。     

互动给数学课堂增加新的活力

＂师者,传道授业解惑也＂,这是我国传统的教学观。随着社会的进步、时代的发展,教学观念发生了翻天覆地的变化。作为教师要放下尊严和架子,敢于打破课堂常规,放弃＂填鸭式＂教学模式,注重学生的主动性和能动性,努力实现在教学中以教师为主导、以学生为主体、以问题为主线,把时间留给学生,让他们自己去交流、讨论、互动,你会从学生身上收获成功。这样我们才能看到新时代新课程改革的全新理念下熏陶出来的充满探索精神和思维活跃的21世纪的学生们,让他们在快乐学习中成长、在实践中升华。     

China to Support More Homegrown Talents

In September 2012, the Chinese government initiated a new talent recruitment plan called the "Ten Thousand Talents Program" to show its determination to support homegrown talents. As an extension of an...