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科学历程
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  “科学历程”译为未确定词的双语例句
     JASIST and the Development of Information Science
     JASIST与情报科学历程
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     It not only has some value of reference to understand and grasp qualitative theory of differential equations comprehensively, but also inspires us to ponder over the track of the emergency and development of new thoughts and theories in the course of science.
     这些不仅对于全面了解和掌握庞加莱定性理论具有一定的参考价值,而且还可以使我们对科学历程中新思想、新理论的产生和发展规律有所启悟。
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     The scientific life of Ernest Rutherford enfolded his great spirit of science to us.
     他的伟大科学历程向我们展示了他丰富而崇高的科学精神。
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     Basing on Albert Einstein's research experience,there exists a close relation between leisure and scientific creation.
     从爱因斯坦的科学历程可以看出,休闲与科学创造活动存在着较密切的关系。
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  相似匹配句对
     SCIENCE
     科学
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     From Linearity to Nonlinearity——the developing course of science
     从线性到非线性——科学发展的历程
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     JASIST and the Development of Information Science
     JASIST与情报科学历程
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     Amendments of CPC Constitution in History
     党章的历程
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     About Science
     杂谈科学
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Ordinary differential equations stagnated gradually after searching hard for the exact solutions of differential equations for a long time. Poincaré used the integrated idea to initiate qualitative theory of differential equations. He also introduced geometric method on the base of analysis and ensured the quality of solutions though the integrated and holistic viewpoint. On the basis of Poincaré's qualitative analysis, Liapunov entered into the new research of stability theory to make the study of solutions...

Ordinary differential equations stagnated gradually after searching hard for the exact solutions of differential equations for a long time. Poincaré used the integrated idea to initiate qualitative theory of differential equations. He also introduced geometric method on the base of analysis and ensured the quality of solutions though the integrated and holistic viewpoint. On the basis of Poincaré's qualitative analysis, Liapunov entered into the new research of stability theory to make the study of solutions more specific and practical. By comparing the qualitative theory and stability theory on differential equations, one can understand the contents and methods of their contents and methods deeply and comprehensively, and can also perceive the laws of the emergence and development of new ideas and theories in the scientific course .

常微分方程在经历了长期的求精确解的努力后逐渐停滞,庞加莱在分析的基础上引入几何方法,开创了常微分方程定性理论,李雅普诺夫则在庞加莱定性分析的基础上,转而进入了新的稳定性研究。通过对两者的比较研究,我们能够对科学历程中新思想、新理论的产生和发展规律有所感悟。

The relationship between agricultural economics and mathematics was discussed in this paper.The starting point is the scientific development of agricultural economics,the focus is the evolution of the basic theoretical model in agricultural economics.Then,it was discussed that the scientific growth of agricultural economics dependent on the mathematics.The results from these shown that the progress of theory and model in agricultural economics must be further sported by mathematics in future.

从学科科学化进展的角度,讨论了农业经济学日益数学语言化的必然趋势。一方面论述了农业经济学依赖数学成为常规科学的历程,另一方面展望了这个学科继续运用数学发展自己的前景。讨论的基本出发点是现代农业经济学与数学的本质联系;焦点是农业经济学基础理论的科学化;主要结论是:以基础理论形式化为标志的农业经济学的科学化,必将更加依赖数学,更加有效地运用数学,才能更加有效地揭示规律,发展本学科的深层智慧。

Dr Henk Bekedam, WHO Representative in China, made a speech in title of Happy Birthday, Coartem (an artemisinin-based combination therapy) on 21 December 2004. It spurs us to monumentalize 30th Anniversary of artemisinin which was directly separated from Artemisia annua (sweet wormwood) and identified its unusual peroxy group in the molecule structure. In succession, Chinese scientists found that artemisinin including its synthetic derivatives artesunate, artemether, and dihydroartemisinin possess a special...

Dr Henk Bekedam, WHO Representative in China, made a speech in title of Happy Birthday, Coartem (an artemisinin-based combination therapy) on 21 December 2004. It spurs us to monumentalize 30th Anniversary of artemisinin which was directly separated from Artemisia annua (sweet wormwood) and identified its unusual peroxy group in the molecule structure. In succession, Chinese scientists found that artemisinin including its synthetic derivatives artesunate, artemether, and dihydroartemisinin possess a special effective against resistant malaria and severe malaria. Scientific course of artemisinin tells us that only Artemisia annua contains artemisinin; only artemisinin among the chemicals of Artemisia spp. has anti - malarial activity, although sweet wormwood is distributed in most parts of the world and easily grown in almost anywhere, virtually all of the genuine sweet wormwood germ plasm is only in some hills of China and is of industrial value for isolating artemisinin. It is our top - priority to re - develop some new anti -malarial drugs which combined artemisinin and some other herbs under the theories of traditional Chinese medicine for avoidance of resistance due to monotherapies like chloroquine.

2004年底,世卫组织在北京纪念Coartem 10周年,促使我们纪念青蒿素的生日或“生年”,因为青蒿素是中国医药卫生科学家从青蒿中获得的划时代发现和自主创新成果,而且全新结构和独特抗疟活性,从而改写了只有生物硷成分抗疟的历史。作者建议把1975年确定为青蒿素“生年”,是因为从分离纯化得到青蒿素结晶,到鉴定其结构、确定抗疟活性、验证抗疟疗效等延续了整个20世纪70年代,以其中某一事件(如某篇论文发表的年月)来确定青蒿素的“生日”或“生年”,显然都不会获得广泛认同。青蒿素的科学历程告诉我们蒿属几百种植物除青蒿外,尚未发现其它种含有青蒿素:蒿属植物乃至菊科中数以千计的各类化学成分,尚未发现青蒿素以外的成分具有抗疟作用:青蒿广泛分布全球北温带,但是只有中医有用于治疗疟疾经验;只有少数地区青蒿的青蒿素含量高、杂质少,具有工业生产价值,故应该充分认识青蒿道地性对种植业的指导意义,同时采取有力措施保护优良种质资源和生物多样性。防止青蒿素重蹈氯睦发生抗药性复辙应该是我们的优先考虑,开发具有中医药优势和特色的与Coartem 等效或更好的复方制剂是青蒿素二次开发的重点方向之一。

 
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