A model is built for the description of neutrons reflected by imperfect crystals ,which can be used to calculate the reflectivity of these crystals by using the Monte Carlo method.
本论文为非完美晶体的中子衍射过程建立物理模型并应用蒙特卡罗方法进行相关计算，使用热压形变技术研究单晶的嵌镶延展过程并总结出一套实用的非完美晶体的加工工艺，较为系统地研究了中子单色器晶体的理论、性能和生产工艺。
Many implications and unavoidable imperfects in software practices, as the uncontrollable and the unknown parts, offend the foundation of most existed methodologies.
软件开发实践中存在的隐含成分和无法回避的“不够完美”,就是现实软件开发项目中的无法控制或未知部分,这违反现存的大部分软件开发方法的基础,如一致性。
From mathematical Aesthetics four levels starting of"Appearance, Beautiful, Wonderful, Perfect",Explore the mathematical problem solving functional aesthetics.
文章从数学美学的"美观、美好、美妙、完美"四个层次出发,探讨数学解题中的美育功能。
ZHUANG Zi s concept of art reflected in his works about the disabled is: perfect art does not rely on complete form,and incomplete form sometimes implies perfect art.
庄子畸人篇透射出这样一个文艺观:残缺也有美,残缺也可以完美,艺术的完美并不依赖于形式的完整。
This paper discusses that Pythagoras school’s important thinking of “simplicity,harmony,perfection” had produced important effects to Nicolaus Co-pernicus,J.
本文论述了毕达哥拉斯学派“简单、和谐、完美”的重要思想对后来的科学家哥白尼、开普勒、牛顿和爱因斯坦的研究工作产生的重要影
The linked ideas of reverence, ritual, and perfection represent both a challenge and an opportunity for contemporary Confucian political philosophy.
对于当代儒家政治哲学来说,敬、礼和完美这三个相连成系的概念既是一种挑战,又是一种机遇。
By reviewing the characters of the three protagonists-Sarah,Charles and Tina,we can feel the organic combination of existentialist philosophy and literature,understand the human struggle in the evil and cruel reality and the protagonists pursuit of and longing for freedom and perfection.
通过对《法国中尉的女人》中莎拉——追求“完美自由”的存在主义者、查尔斯——追求“完美爱情”的浪漫主义者、蒂娜——追求“完美婚姻”的现实主义者的性格评说,我们可以感觉到存在主义哲学和文学的有机结合,品味出在丑恶冷酷的现实中人性的挣扎,以及作者对自由和完美的追求和渴望。
The new electromagnetic properties of negative index material such as converse Cerenkov radiation and converse Doppler effect,negative refraction index and perfect lens are analyzed and explained by using basic electromagnetic theory.
从基本的电磁场理论出发,分析和解释负折射物质的电磁特性,以及负折射物质中的逆Cerenlov现象、逆Doppler现象、负折射率和完美透镜的工作原理,帮助人们更加清楚地认识负折射物质的本质特性,更好地开发和应用好负折射物质。
The paper introducs the history and research of negative refractive materials and simply analysis of negative index of refraction gives rise to the strange properties such as negative group velocity,negative refraction,perfect lens,inverse doppler effect and abnormal Cerenkov radiation.
介绍了负折射率材料的发现及研究历史,简单分析由负折射产生的负群速度、逆多普勒频移、反常切伦柯夫辐射、完美透镜等各种效应,进一步讨论负折射材料的应用展望。
A T value, the affinity index determined by DTG was used to characterize the interaction between the organic adsorbates and the perfect framework of the zeolite.
运用热分析技术研究胺类、烷烃类、芳香烃类、醇类在具完美骨架的合成得到的全硅 β沸石中的脱附行为 ,测定亲和性指数AT 值和负载量 。