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[期刊论文] 作者：Meng YE,Yong WANG,Peng GAO,Likun XU,Guanjin HUANG,
来源：光电子学前沿 年份：2021
Hong-Ou-Mandel (HOM) interference is one of the most important experimental phenomena in quantum optics.It has drawn considerable attention with respect to quantum cryptography and quantum communication because of the advent of the measurement device inde...
[期刊论文] 作者：,
来源：北京周报（英文版） 年份：2021
PreamblernUnder British colonial rule, there was no democracy in Hong Kong. After resuming the exercise of sovereignty, the Chinese government implemented the basic policy of One Country, Two Systems and established democracy in the Hong Kong Special Admi...
[学位论文] 作者：吴世松,
来源：太原理工大学 年份：2021
随着能源危机的来临,工业领域对轻量化材料的需求急为迫切,超轻Mg-Li合金具有轻质、比强度、比刚度高、良好的电磁屏蔽性和阻尼性能等优点,被广泛地应用于航空、航天、汽车、3C等领域。但是Mg-Li合金在工程领域的应用前景受绝对强度低、耐腐蚀性差的限制。1420Al-Li合金是一种性能优良的超轻铝合金,具有低密度、高弹性模量、高比强度、高抗腐蚀能力和良好的焊接性能等特点,常用于航空航天领域。本文将14...
[期刊论文] 作者：邹艳伟,
来源：传奇故事：百家讲堂 年份：2021
三维目标:1.Knowledge goals:Master the vocabulary:postman fashion balloon candle deep breath blow;2.Ability goals:(1)Useful phrases and structures:in fashion,turn off,make a wish,blow out;(2)Understand the meaning of the text and try to retell the text;3.Emoti...
[期刊论文] 作者：戴丽莎,
来源：传奇故事：百家讲堂 年份：2021
学习内容分析:本课是冀教版(三年级起点)五年级上册第四单元第一课。在上一单元的学习中,学生已经有了一定的知识基础和信息储备。了解到李明将要和谁一起去北京旅行、选择哪种交通方式去北京及北京的著名景点。本节课主要讲述了Jenny和Danny来到石家庄,和李明一起探讨在春节期间“去北京旅行”话题。并在will的语境中,用at,in,on制定去北京的旅行计划。本课难易程度适合五年级。...
[期刊论文] 作者：Irene W. Y. Lok,Meliza C. W. Kong,William W. K. To,
来源：妇产科期刊(英文) 年份：2021
Background: Different gestational age specific
[期刊论文] 作者：Ming Bao,
来源：中外文化交流:英文版 年份：2021
The year 2021 is assuredly an wonderful year for China Cultural Center(CCC)in Laos and its Director Li Yiping.The China-Laos Year of Friendship will be celebrat...
Traditional Chinese medicine poisoning in the emergency departments in Hong Kong:Trend, clinical pre
[期刊论文] 作者：Rex Pui Kin Lam,Eric Ho Yin Lau,Wai Lam Yip,Joe Kai Shing Leung,Matthew Sik Hon Tsui,
来源：世界急诊医学杂志（英文） 年份：2021
Dear editor,rnTraditional Chinese medicine (TCM) is popular in many countries, especially in the Chinese population.In Hong Kong, it has been estimated that aro...
[期刊论文] 作者：Yuqing Ding,
来源：教育理论与管理杂志(英文) 年份：2021
The civic education in Hong Kong schools is not only valued and successful,but also controversial.In the process of implementing“one country,two systems”in Ho...
Traditional Chinese medicine poisoning in the emergency departments in Hong Kong: Trend, clinical pr
[期刊论文] 作者：Rex Pui Kin Lam,Eric Ho Yin La,
来源：世界急诊医学杂志(英文) 年份：2021
Dear editor,Traditional Chinese medicine (TCM) is popular in many countries,especially in the Chinese population.^([1,2]) In Hong Kong,it has been estimated tha...
Traditional Chinese medicine poisoning in the emergency departments in Hong Kong: Trend, clinical pr
[期刊论文] 作者：,
来源：null 年份：2021
...
[期刊论文] 作者：Zhuolun Yang,Yuxin Cao,
来源：当代教育研究(百图) 年份：2021
Building the Greater Bay Area city cluster is a crucial national development strategy for China.As a vital hub of the Belt and Road Initiative,the Greater Bay A...
[期刊论文] 作者：Qiankui Zhang,Si Liu,Yitong Lu,Lidan Xing,Weishan Li,
来源：能源化学 年份：2021
Li-metal is an ideal anode that can provide rechargeable batteries with high energy density,but its application in large scale is restricted by its high activit...
Yangzhou Gift and Houseware Online Matchmaking Meeting for Hong Kong received extensive positive fee
[期刊论文] 作者：,
来源：出展世界 年份：2021
In the past year， global economic activities was hit hard by the epidemic， but international buyers’ purchases of gifts have continued unabated. In order to help enterprises overcome the adverse effec...
[期刊论文] 作者：By WANG YAN,
来源：CHINA TODAY 年份：2021
Li Ning:Life-Long Devotion to China’s Hepatobiliary Surgery...
[期刊论文] 作者：Amirhossein Ahmadian,Abbas Shafiee,Mohammadali Alidoost,Amin Akbari,
来源：世界工程和技术(英文) 年份：2021
Lithium-ion (Li-ion) batteries have been fabricated in various ways to improve flexibility. Flexibility could be enhanced via active materials, separators, elec...
[期刊论文] 作者：Jiachao Yang,Jian Zou,Chun Luo,Qiwen Ran,Xin Wang,Pengyu Chen,Chuan Hu,Xiaobin Niu,Haining Ji,Liping Wang,
来源：中国物理快报（英文版） 年份：2021
FeSO4 has the characteristics of low cost and theoretical high energy density (799 W.h.kg-1 with a two-electron reaction),which can meet the demand for next-gen...
[期刊论文] 作者：Hongjie Xu,Weidong Xiao,Zhuo Wang,Junhua Hu,Guosheng Shao,
来源：能源化学:英文版 年份：2021
Transition metal oxide cathodes such as layered Li Co O2,spinel Li Mn2O4and olivine Li Fe PO4 have been commercialized for several decades and widely used in th...
[期刊论文] 作者：刘凤丽,
来源：黑龙江大学自然科学学报 年份：2021
对于白矮星磁场中原子的结构和光谱问题研究在天体研究中十分重要,既能够确定磁化了的白矮星所具有的磁场大小,又有助于研究恒星向白矮星体的演化过程.采用改进的二维B-spline方法在柱坐标系下计算了在白矮星强磁场下Li原子的结构和电子空间几率密度,此方法对高激发态适用,对低激发态的计算也十分精准.Li原子采用模型势,选定磁感应强度分别为0.0001、0.001、0.01、0.1和1 a.u.,计算了Li原子的高激发态1320-和132(-2)+的能级,同时,给出低激发态22(-2)+的能级.计算结果表明,高激...
[期刊论文] 作者：Qiankui Zhang,Si Liu,Yitong Lu,
来源：能源化学:英文版 年份：2021
Li-metal is an ideal anode that can provide rechargeable batteries with high energy density,but its application in large scale is restricted by its high activit...
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