Scholars Convene to Discuss Ethics of Science in Beijing

Jointly organized by CAS and the World Commission on the Ethics of Scientific Knowledge and Technology (COMEST),a conference on ethics of science and technology was held on Oct.31 in Beijing. It is one of the worldwide meeting series "Ethics around the World" sponsored by COMEST, an advisory body to the UNESCO Director-General on issues in the field.     

CAS Announces Academicians Elected in 2009

Thirty five Chinese scientists and six of their colleagues from Canada, France and the United States were elected into CAS in 2009. The announcement was made by CAS President LU Yongxiang at a press conference held on December 4, 2009, in Beijing. CAS Vice President LI Jinghai read the list of the new Members.     

Managing Intellectual Property in Bilateral S&T Cooperation

On May 26 and 27, 2011, the 2nd Sino-US S&T Strategic Policies Meeting and Workshop on Managing Intellectual Property (IP) was held in Beijing.Jointly organized by the Chinese Academy of Sciences (CAS), the Chinese Academy of Engineering (CAE), the US National Academy of Science (NAS) and the US National Academy of Engineering (NAE), the meeting & workshop was hosted by the CAS Bureau of International Cooperation and the CAS Graduate University.It provided an opportunity for both sides to exchange views on S&T strategic policies, especially laws, regulations, measurements and practices on intellectual property management.This was the first time that the meeting & workshop comes to China after the first session of such a meeting & workshop was held in US in 2009.     

Energy-rich Plant Research in China: Overview and Prospect

The energy crisis is an enormous challenge to the human race.Consequently, the technology development and utilization of biomass energy have become a new "hot spot"in the international arena.This article gives an overview on the current status of the research on energy plants and puts forward several suggestions on how to reasonably develop them in China.     

Zika Virus Infections Can Lead to Male Infertility in Mice

<正>Zika virus infections,previously found associated with microcephaly in newborns and GuillainBarréSyndrome in humans,might also lead to male infertility in mice,as researchers revealed on November 22,2016,in an article published online in Cell,as the result from a joint research by the research groups led by Prof.George Fu Gao from the institute of Microbiology,Chinese Academy of Sciences(IMCAS),and Prof.LI Xiangdong from the China Agricultural University(CAU).     

我国科技核心期刊动态性调查与分析

Based on the 2nd and 3rd editions of A Guide to Core Journals of China, this article makes an investigation on the change of the number, the variety and the ranking of the core journals of science and technology which are on the same subject. The basic dynamic characteristics of the core journals of science and technology in China are described.     

CAS Bio—specimenCenters under Renovation

The CAS has an unmatchedcollection of biological speci-mens in China, with up to 16million items in its 24 biologicalspecimen centers (including thoseunder the dual administration of theCAS and local governments), ac-counting for 85% of the nationaltotal, according to an article by TongFengqin and Song Suyin in the firstissue of Science News in 2003. Inthe context of knowledge innovationprogram (KIP) piloted by the CAS,the development of these centers isgaining momentum.Some of the cent…     

Prof. Cai Shuming Receives 2005 Wetland Conservation Award

Prof. Cai Shuming, an expert in wetland studies from the CAS Institute of Geodesy & Geophysics, has been honored with a Ramsar Wetland Conserva- tion Award in 2005. The announce- ment was made by the Standing Committee of the Ramsar Conven- tion on June 10 in Gland, Switzerland. The Ramsar Award was estab- lished in 1996 in order to recognize and honor the contributions of individuals, organizations and gov- ernments around the world towards promoting the conservation and sustainable u…     

Reexamination of Prior Art Defence Determination

In the IP journal China Patents and Trademarks(No.2 2007,vol.89)was published Judge Zhang Xiaodu's article entitled Prior Art Defence Determination in Case of Dispute Arising from Utility Model Patent Infringement(hereinafter re- ferred to as said article),in which an analysis was made of a case of patent infringement,with an in-depth examination of the issue of application of the pertinent law provisions relat- ing to prior art defence in patent infringement lawsuit.In said article some new views have been presented which are     

CAS Announces Its Action Plan for Revitalizing Northeast China

A conference of the CAS leading group for the revitalization of northeast China with science and technology was held on Sept. 1 and 2 in Changchun, capital of northeast China‘s Jilin Province. Chaired by CAS Vice President Shi Erwei, the meeting focused on the implementation of a CAS action plan for retrieving China‘s northeast, an old industrial base and once the industrialization locomotive of the country.     

画家眼中的伽利略审判

1633年发生在罗马的伽利略宗教审判不仅是关于新旧宇宙观的争论,而且是科学和神学斗争的一次正面交锋,是科学史上的重要事件。本文选取了几幅描绘伽利略审判的艺术作品,通过对它们进行分类、对比及细节分析,并结合作品的时代背景和社会原因,讨论了不同立场的艺术家在创作作品时所持的观点和艺术视角,分析了以视觉形象表现出来的不同时代公众对伽利略审判事件的认识,从而揭示科学、艺术和时代的关系。     

基于自适应层次分析法的高校科研绩效评价研究

为改善经典层次分析法用于科研绩效评价时主观性强、导向性弱、定量成分少的缺陷,对一种新的自适应层次分析法进行研究和探讨.该方法能够根据被评价对象在科研评价指标上的数据分布特征,对评价指标的权重进行动态调整,从而在评价过程中充分体现稀缺性指标的导向作用,实现更为合理的绩效分配.以某高校科研数据为例,检验该方法在科研评价体系中的应用效果,评价结果符合预期.     

潜油电机定子三维温度场分析与计算

以YQY11 4p-2,31KW潜油电机为例,通过计算得到定子上的损耗;利用流体力学、传热学的知识,计算了潜油电机定子表面的散热系数;建立了定子半个轴向段三维温度场的数学模型,采用有限元法对温度场进行了计算,得到温度分布图,并对结果进行了对比分析。     

IL-18-GPI融合蛋白的表达及其免疫增强作用的研究

目的:构建真核表达IL-18-GPI融合基因的表达载体,观察融合蛋白在哺乳动物细胞中的表达动力学及生物学活性,为进一步研究细胞因子作为免疫增强剂在临床肿瘤治疗中的应用奠定基础.方法:通过RT-PCR的方法从脂多糖刺激的外周血淋巴细胞中钓取IL-18基因,通过共用限制性酶切位点与GPI相连形成pcDNA-IL-18-GPI真核表达质粒.将质粒转染CHO细胞后建立稳定表达融合蛋白的细胞株用于融合蛋白的提取.对提取纯化的蛋白进行生物学特性、蛋白质转移分析和γ-IFN诱导实验.结果:获得714 bp的核酸序列并构建重组质粒pcDNA-IL-18-GPI.SDS-PAGE和West-blot显示在CHO细胞中表达的IL-18-GPI融合蛋白分子量约为27.5 kD,该蛋白具有明显的蛋白转移和诱生γ-IFN的作用.结论:IL-18-GPI融合蛋白是一种潜在的肿瘤疫苗增强剂,具有良好的应用前景.     

省区影响因子——中国各省区科技发展趋势评价

本文以1989－1998年SCI收录中国科技论文量和引文量为评价依据，建立了省区影响因子，并以其为评价指标，对10年来中国各省区科学发展趋势进行了分析。     

省区影响因子—中国各省区科技发展趋势评价

本文以1989－1998年SCI收录中国科技论文量和引言量为评价依据，建立了省区影响因子，并以其为评价指标，给出10年来中国各省区科学发展趋势的评价分析。     

Rumblings in the air: understanding earthquakes in the 1690s

After a wave of earthquakes in 1692 and 1693, the astronomer John Flamsteed composed an innovative explanation of their causes. He argued that they did not originate underground but were caused by explosions of nitrous and sulphurous particles in the air. Although the idea now sounds strange, Flamsteed's account was expressed in terms that were familiar to his contemporaries in the Royal Society, drawing particularly on Boyle's chemistry and air-pressure experiments. Flamsteed was more unusual in his conviction that the earth was virtually solid; this made him an opponent of structural theories offered by Thomas Burnet, Robert Hooke and Edmond Halley. Flamsteed's ideas were dismissed by Hooke as 'nonsensicall', but by the time they were published, long after his death, they appeared closer to mainstream thinking.     

基于技术分解结构的装备研制项目技术风险评估法及其应用

针对装备研制项目特性,提出了技术分解结构的概念。它以具体的技术单元为终端端点并综合了各项技术的重要度为特征。根据技术问题解决过程的具体特点,建立了非连续性技术成熟度——风险等级表。构建了基于TBS的可操作性强、简单实用的技术风险评估方法,并用于实例。描述了基于TBS的技术风险评估管理系统的构建思路厦其功能。     

国家科技基础条件平台的系统动力学分析

本文利用系统动力学的定性分析与定量分析相结合的原理和方法建立了国家科技基础条件平台的仿真模型，并通过所建模型的动态模拟，讨论分析了国家科技基础条件平台的系统结构及运作机制，并以平台制度体系建设为例进行了政策实验。本文的研究结果表明：系统动力学方法是研究国家科技基础条件平台中各种因素之间的错综复杂关系的有效手段，平台的政策实验为平台建设决策提供了科学的依据和有力的支持。     

电沉积法修复混凝土裂缝的初步进展

电沉积法是通过电解作用把某些物质沉积在电极的表面，利用这一方法可以愈合混凝土的裂缝，它具有独特的优势，特别适用于传统的修复技术难以奏效的海工混凝土结构。本文对国内外利用电沉积法修复混凝土裂缝的研究进行了评述，并介绍了近年来在国家自然科学基金资助下我们在这一领域取得的最新研究成果。