New Jurassic Non-avian Theropod Dinosaur Sheds Light on the Origin of Flight in Dinosauria

<正>A new Jurassic non-avian theropod dinosaur from 163 million-year-old fossil deposits in northeastern China provides new information regarding the incredible richness of evolutionary experimentation that characterized the origin of flight in the Dinosauria. Published in Nature, Drs. WANG Min, Jingmai K. O'Connor, XU Xing, and ZHOU Zhonghe of the Institute of Vertebrate Paleontology and Paleoanthropology(IVPP) of the Chinese Academy of Sciences in Beijing describe and analyze the well-preserved skeleton of a new species     

Recent Progress in the Study of Dinosaur Eggs in China

<正>Dinosaur eggs are a special type of vertebrate fossils. Despite their varied shapes, all dinosaur eggs are composed of eggshells, though the thickness of the shell may also vary. Dinosaur eggshells consist primarily of the mineral calcite (calcium carbonate). By studying     

Paleolithic Tools Discovered in the Eastern Coast of China

A group of CAS scientistsfound in 2002 Paleolithicartifacts made 800,000-500,000 years ago in Jinjiang City,Fujian Province. Scientists believethe findings outdate the knownprehistorical records in the provinceby hundreds of thousands of years.In May 2002, Yuan Baoyin, ageologist from the CAS Institute ofGeology & Geophysics, and his col-leagues brought to light some stonelumps with discernible flaking tracesfrom seaside facies of sands, blown-reddish clay and reticulated red soilon a hi…     

A Meltwater Pool Discovered in Tianshan Mountains

On and expedition to northwest China‘s Glacier 1 in the Tianshan Mountains. a research team led by Prof. Li Zhongqin from the CAS Cold and Arid Regions Environmental and Engineering Research Institute found a 15-meter-long.4-meter-high ice cliff in the northwest of the source area on the glacier top.     

乘着“美”的翅膀翱翔——在幼儿园美术教学中的点滴心得

艺术教育作为幼儿园教学领域之一,有其独特的作用,同时在不同领域的交叉和融合过程中发挥着中介作用。3至6岁幼儿的思维活动常常是凭借事物的形状、颜色、声音和动作来进行的,他们对自己的感官所接触的物质材料充满了好奇心。幼儿的这一特点为向他们进行美术教育提供了广阔的天地。在从事幼儿美术教学指导中,我尝试着将新的美术教学目标在新的形势下的美术教学中实施,注重美术课程与幼儿生活经验的紧密关联。     

A Majorana-like State Discovered in the Iron-based Superconductor

<正>In superconductors,fermionic electrons are paired into bosons,and condensed into the ground state.An impurity can break the electron pairs into quasiparticles with energy states inside the superconducting gap.The characteristics of such in-gap states reflect accordingly the properties of the superconducting ground state.A zeroenergy in-gap state is particularly interesting,because it can     

A Precious Fern Species Discovered in Jiulong, Sichuan

Supported by the US National Science Foundation and the National Natural Science Foundation of China, a rare and endangered fern, Isoetes hypsophila, was discovered by a Sino-US research team headed by Prof. SUN Hang from the CAS Kunming Institute of Botany (KIB) and Dr. David E. Boufford from Harvard University in a recent trip to Jiulong, Sichuan, during its botanical survey in the Hengduan Mountains in south China. Scientists say the plant is found for the first time in the region.     

插上想象的翅膀 漫游童话的世界——小学中高年级学生编写童话故事的经验和感受

每个人的童年都是与童话故事、童话书籍一同度过,童话承载了孩子们童年最纯真的情感和最美妙的梦境,也是人生最初的生动有趣的启蒙教育。童话世界为孩子们呈现了美丽多姿的社会风情、活泼可爱的动物乐园、引人入胜的离奇故事,还有超乎寻常的仙境魔法……     

中国科技奖励制度如何与国际接轨

中国与西方发达国家具有不同的文化传统、政治、经济和科技体制,经济和科技发展水平也极不相同,这就决定了中国和西方发达国家的科技奖励制度的诸多不同.总的来说,西方发达国家科技水平先进,科技奖励制度较完善,因此,比较研究中外科技奖励制度,对于中国借鉴西方发达国家的先进经验,进一步完善中国科技奖励制度会很有裨益.     

我国基金会资源特征的指标构建——基于年度财务报告的分析

<正>2004年3月颁布的《基金会管理条例》将基金会定义为“利用自然人、法人或者其他组织捐赠的财产,以从事公益事业为目的,按照本条例的规定     

我国应对气候变化的“零碳城市”之路

气候变化问题已成为全球性政治话题。我国日益面临国际社会要求控制温室气体排放的巨大压力。在全球应对气候变化的谈判中,谁掌握了低碳技术,谁发展了低碳产业,     

中国如何应对外国非政府组织

中国自20世纪70年代末实施全面对外开放以来,整个社会领域经历了一个逐步开放的过程。在这个过程中遇到无法回避的现实:中国应如何对待外国非政府组织的问题,也是当前迫切需要回答的。目前对这一问题有很多不同的、有些甚至是非常对立的态度和回答。本文认为对外国非政府组织在     

China to share expertise with other developing countries

China will pass on its technical knowledge to de veloping nations. CAS President LU Yongxiang said the country is now in a position to provide such support in tandem with other foreign aid programs.     

我国农业碳排放双重性及其与经济发展的协调性研究

通过Tapio模型,测度2006～2015年我国各省市农业碳排、碳汇与经济增长间的"脱钩、耦合"关系,结合碳排经济效益和低碳发展潜力对其进行客观评价,进而对农业经济发展模式进行细致划分。结果表明:我国农业源碳汇与碳排总量均呈递增态势;西部地区以经济效益与低碳潜力"双低"为主,"双高"省市均有较好的资源禀赋条件;我国农业经济发展仍以常规型为主,环保型省市逐年增加。为进一步推动我国农业可持续性发展,各省市应明确农业发展定位,因地制宜改进农业生产方式,适时调整农业产业结构,以实现减碳排与增经济并行的低碳农业目标。     

Bioethics in China

Chinese civilization has a long history of 5,000years. It is China's fine tradition to attach importance to ethics and morality, that is "All must regard self-cultivation as the root." Confucius once said that "Benevolence means love of people." He advocated respecting people, concerning about people and caring for people.     

Working with China in Remote Sensing for Twenty Years and On--An Interview with Dr. Frederick Campbell

BCAS： Nice to meet you in Beijing Dr. Campbell. You are a disinguished scienist in remote sensing. Would you like to introduce a litle bit about yourself？ Dr. Campbell： I joined Canada Center for Remote Sensing （CCRS） in 1990, starting off doing missions with the United Nations Office of Outer Space Affairs to South America, and later led airborne radar programs there.