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排序方式: 共有68条查询结果,搜索用时 15 毫秒
1.
本文扩展了R.H.Penfield,周凌云、吕家鸿等人以前对相对论振子的研究,探讨了简谐力在洛仑兹变换下的性质。并在此基础上指出了,所得结论对诸如分子光谱等问题的应用。  相似文献   
2.
激光-蛋白质分子相互作用的非线性运动方程的量子力学导出Davydov在70年代借助“一维分子系统的孤子理论”,导出了α螺旋蛋白质分子的运动方程;并在连续近似下将该方程化为非线性薛定谔方程 ̄[1].此方程的孤子解可解释肌肉收缩等问题。这理论后经多人改进...  相似文献   
3.
按时长大     
到了初中,当父母再一次地念叨你的不是时,你不会像以前一样乖乖地听着,而是不耐烦地说:“我已经长大了!不是小孩子了!”长大的标志是什么?是“灯火传炬”的“情书”?是话筒里的甜言蜜语?是夜晚操场上散步的“情侣”?还是……  相似文献   
4.
用添加项的方法对相对论振子的运动方程进行求解.得到了振子位置和时间的关系式.并把这一结果和Penfield的近似解进行了比较.  相似文献   
5.
NSD是常用的Domino宕机和性能诊断工具,本文介绍了NSD日志文件的基本结构,并详细阐述了如何通过分析NSD日志文件来寻找故障原因的方法。  相似文献   
6.
徐哲  周凌云  唐湘方 《科研管理》2020,41(2):283-288
 Institute of Animal Science, Chinese Academy of Agricultural Sciences was established in 1957 and it is a national multi-discipline research organization in the field of animal sciences. The Institute of Animal Science, Chinese Academy of Agricultural Sciences sets up 5 research departments, namely: Animal Nutrition and Feed Science, Animal Biotechnology and Reproduction, Animal Germplasm Resources and Production, Grassland Science and Veterinary Medicine as well as a central laboratory for chemical analysis. Institute of Animal Science, Chinese Academy of Agricultural Sciences carries out applied and fundamental research and technical development and research with swine, poultry, cattle, sheep and goats as main research objectives. The institute puts emphasis on the areas of germplasm resources, genetics and breeding, reproduction, feed science, nutrition and animal bio-technology, veterinary medicine, in order to solve the scientific and technical problems in animal production which are crucial, basic, commonly encountered or orientation-determining for the animal production. Moreover it is also engaged in organizing and coordinating key national research projects, extension of research achievements and advanced techniques, training of high-ranking scientists and technicians, promotion of domestic and international scientific exchange and collaboration.  The National Natural Science Foundation of China(NSFC) plays an important role in promoting the ability of undertaking national scientific and technical projects, enhancing the basic research and independent innovation, supporting the industrial development, training research teams and extending the international academic influence for the Institute of Animal Sciences of the Chinese Academy of Agricultural Sciences.  Based on the summary and analysis of the number of applications and projects funded by NSFC, the funded rate and the distribution of disciplines and fields since the implementation of the 12th Five-Year Plan from the Institute of Animal Science, Chinese Academy of Agricultural Sciences, we analyzed the overall development trend and the major driving factors of the growth on projects supported by NSFC from Institute of Animal Science, Chinese Academy of Agricultural Sciences in three aspects. They are the macro level of the State, the medium level of the institute and the micro-level of NSFC′s delicacy management. Besides, we summarize the refined managerial experience of the institute′s projects funded by NSFC, propagate the culture of NSFC and build up the mechanism of mobilization and examination. Furthermore, based on the gap of the National Natural Science Foundation of China undertaken in our institute, we put forward some ideas about designing the strategic layout in top-level, constructing and developing the discipline and training the talent team. Meanwhile, we also take some measures to tap potential in the application of NSFC, widen application type and increase application quality. At last, we expect to further improve the management and service level of NSFC and move forward the work of NSFC into a new phase, which will provide strong scientific and intellectual support for establishing world-class agricultural research institution and innovation-oriented country.  相似文献   
7.
晏婴妙谏     
周凌云 《良师》2010,(8):50-51
齐灵公在位时,齐国出现乱衣之俗——女扮男装、男扮女装,以及互相驾车乱撞的不良之风,且有愈演愈烈之势,大夫晏弱屡次向齐灵公进谏,均无功而返。  相似文献   
8.
说课就是教师口头阐述课程的开发、设计、建设、改革的理念与做法。本文对《塑料成型工艺及模具设计》课程的说课进行了探讨,旨在增强教师对教材的理解和对课堂教学环节的把握,从而优化教学过程,提高教学效果。  相似文献   
9.
本文抑制miRNA的表达后,检测血红素加氧酶-1(HO-1)的表达,证明HO-1的表达受miRNA的调控。之后用生物信息学软件预测与HO-1基因作用的miRNA的种类、作用的位点。构建验证质粒,使用荧光素酶报告基因的方法,验证miR-873-5p及miR-525-5p能够直接作用于HO-1基因的3′UTR区域,抑制HO-1的表达。  相似文献   
10.
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