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[期刊论文] 作者:YUAN Fang, 来源:中美英语教学:英文版 年份:2021
TEL)to better engage undergraduate students in college English classes in China.By experimenting with Wen...
[期刊论文] 作者:陈玲星,苏强,赵新龙, 来源:压电与声光 年份:2021
为了辨识压电陶瓷中的迟滞非线性,该文提出一种改进的粒子群算法(PSO)对非对称Bouc-Wen模型进行参数优化.首先在归一化Bouc-Wen模型中引入非对称因子描述非对称特性,解决该模型只适用于描述对称迟滞的问题....其次通过引入混沌映射、收缩因子和动态学习因子来对传统PSO进行改进,动态改变粒子群的权重和学习因子,有效地提高算法的搜索能力和收敛速度.最后通过改进的PSO对非对称Bouc-Wen模型进行参数辨识.结果表明...,改进的粒子群算法能较好地辨识Bouc-Wen模型参数,验证了方法的有效性....
[期刊论文] 作者:Ke-Ji Guo,Fu Shu,Nan-Fei Wu,Shun-De Chen,Mian Hou,Sheng-Chao Shi,Xue-Jian Deng, 来源:动物学研究 年份:2021
steams (Barbour,1921;Bauer & Jackman,2008).Here,we designate the neotype and re-describe T.guangxiensis Wen...
[期刊论文] 作者:Ze-Xin Fang,Meng Yu,Ying-Ge Huang,Jin-Bei Chen,Jun Su,Long Zhu, 来源:核技术:英文版 年份:2021
nuclear waste.A theoretical analysis of the ingredients and content of nuclear waste,particularly long-lived...
[期刊论文] 作者:Ali A.Asadi-Pooya,Hamid Nemati,Mina Shahisavandi,Ali Akbari,Amir Emami,Mehrzad Lotfi,Mahtab Rostamihosseinkhani,Zohreh Barzegar,Maryam Kabiri,Zahra Zeraatpisheh,Mohsen Farjoud-Kouhanjani,Anahita Jafar, 来源:世界儿科杂志(英文版) 年份:2021
and also the full spectrum of symptoms/complaints of children and adolescents who are suffering from long...COVID.Furthermore,we investigated the risk factors of long COVID in children and adolescents.Methods...
[期刊论文] 作者:杨永刚,丁有闯, 来源:中国民航大学学报 年份:2021
提出在Simulink中搭建Bouc-Wen模型,选择非线性最小二乘法进行迭代,利用Parameter Estimation曲线拟合工具箱确定电流与阻尼...
[期刊论文] 作者:Manyuan Long, 来源:中国科学:生命科学(英文版) 年份:2021
genes originate anytime in evolution in any organisms since the remote past billion years ago(BYA)(Long...and Langley,1993;Long et al.,2013).It is also widely accepted that gene duplication is a main process...
[期刊论文] 作者:Wen Qing, 来源:中国东盟报道(英文) 年份:2021
Reporter Wen Qing had an exclusive interview with Kishore Mahbubani,...
[期刊论文] 作者:Xiaoqun Qi,Qiang Jin,Fengyi Yang,Ruining Jiang,Quan Sun,Long Qie,Yunhui Huang, 来源:能源化学:英文版 年份:2021
is a promising system with high theoretical gravimetric and volumetric energy densities, while its long-term...
[期刊论文] 作者:卢晶晶,陈曦,周亚东,李见春,李延成, 来源:机械工程材料 年份:2021
采用自主设计的刚度软化剪切试验测试系统,对各向同性磁流变弹性体(MRE)进行剪切试验,得到不同电流、频率、位移幅值下的力-位移滞回环;采用Bouc-Wen模型对MRE的动态力学特性...
[期刊论文] 作者:Xueyan Ma,Xinli Wen, 来源:临床护理研究 年份:2021
Through reviews of chronic gastritis treatment literatures in the past 10 years,it has been found that most patients with chronic gastritis also have insomnia and other symptoms in addition to the manifestations of gastritis,in which modem ......
[期刊论文] 作者:卢晶晶,陈曦,周亚东(导师),李见春,李延成, 来源:机械工程材料 年份:2021
采用自主设计的刚度软化剪切试验测试系统,对各向同性磁流变弹性体(MR E)进行剪切试验,得到不同电流、频率、位移幅值下的力-位移滞回环;采用Bouc-Wen模型对MRE的动态力学特...
[期刊论文] 作者:Jiabao Zhao,Jing Wen,Junpeng Xiao,Xinzhi Ma,Jiahui Gao,Lina Bai,Hong Gao,Xitian Zhang,Zhiguo Zhang, 来源:能源化学 年份:2021
potential application in supercapacitors due to their high-rate intercalation pseudocapacitance and long...
[期刊论文] 作者:Song Ge,Jun Wen, 来源:植物分类学报 年份:2021
Papers in 2014 to recognize the most significant research published in JSE in a specific year (Ge &Wen...
[期刊论文] 作者:闫紫薇, 来源:初中生世界(七年级) 年份:2021
同学们,你们碰见老同学的时候说过“Long time no see.”吗?你有没有怀疑过这是中式英语?...实际上,从1994年“long time no see”就成了标准英文词组,译为“好久不见”.可是从语法上看起来很别扭的神句“long time no see”怎么就能摇身一变,成为人们普遍接受的美语了呢...rn这说起来至少有两种比较大的可能.rn根据牛津英语字典记载,“long time no see”这一短句最早收录在美国陆军上尉卓尔能(W. F....
[期刊论文] 作者:Yujie Shi,An Lu,Xiangyu Wang,Zakia Belhadj,Jiancheng Wang,Qiang Zhang, 来源:药学学报(英文版) 年份:2021
The need for long-term treatments of chronic diseases has motivated the widespread devel-opment of long-acting...
[期刊论文] 作者:Meihua Wu,Wen Chen,Siyuan Liu,Yichao Sun,Lingfeng Huang,Guoliang Chen,Zishan Zheng, 来源:稀土学报:英文版 年份:2021
The long persistent phosphors of Zr0.97P2O7:0.018 Tb3+,0.012 Nd3+with Nd3+as sensitized ions and Tb3+...
[期刊论文] 作者:ChengZheng Zhao,YaJun Wang,Yang Qiu,ZhongKui Xie,YuBao Zhang, 来源:寒旱区科学(英文版) 年份:2021
In semi-arid areas of China,gravel and sand mulch is a farming technique with a long history.In this...study,a sample sur-vey was conducted on long term gravel sand mulch observational fields in the Northwest...Loess Plateau to determine the effects of long t...
[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:Song Jian-Kun,Yin Shuang-Yi,Li Wei,Li Xiao-Dong,Luo Yue,Luo Ying,Xing Meng,Li Bin,Kuai Le, 来源:中华医学杂志英文版 年份:2021
Increasing evidence suggests that long non-coding RNAs (lncRNAs) are of vital importance for various...
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