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[期刊论文] 作者:Shi Yongming, 来源:北京周报(英文版) 年份:2022
The presidential election in the Republic of Korea (ROK) has attracted much attention as its location and growing economic and military capacity make it a country of increasing strategic importance. Conservative Yoon Suk-yeol secured a vict......
[期刊论文] 作者:Yun Shi, 来源:中国油料作物学报(英文版) 年份:2022
We solve a portfolio selection problem in which return predictability,risk predictability and transaction cost are incorporated.In the problem,both expected return,prediction error volatility,and transaction cost are time-varying.Our optima......
[期刊论文] 作者:Shi Li,Ximing Yue, 来源:中国与世界经济(英文版) 年份:2022
China has entered a new stage of social and economic development,having eliminated absolute poverty by the end of 2020.Common prosperity will be a new goal in this new development stage.There are domestic and international reasons for China......
[期刊论文] 作者:Xinxin Ma,Shi Li, 来源:中国与世界经济(英文版) 年份:2022
To explore the mechanism of entry to the self-employed sector in urban China,this study tested two hypotheses:the entrepreneurship hypothesis and the disguised unemployment hypothesis,investigating the impact of mass entrepreneurship and in......
[期刊论文] 作者:DING Rui,SHI Wenjiao, 来源:地理学报(英文版) 年份:2022
Climate change is a global environmental crisis,but there have been few studies of the effects of climate change on cereal yields on the Tibetan Plateau.We used data from meteorological stations and statistical yearbooks to assess the impac......
[期刊论文] 作者:Chun-Lin Shi,Liuji Wu, 来源:分子植物(英文版) 年份:2022
Maize(Zea mays),a major crop for food and feed,is grown world-wide with a high annual yield.The grain size and weight of maize are mainly determined by starch and storage proteins that are actively synthesized during endosperm filling.Durin......
[期刊论文] 作者:Huaijun Yang,Dongyang Shi, 来源:计算数学(英文版) 年份:2022
In this paper,the unconditional error estimates are presented for the time-dependent Navier-Stokes equations by the bilinear-constant scheme.The corresponding optimal error estimates for the velocity and the pressure are derived uncondition......
[期刊论文] 作者:Shi Jin,Lei Li, 来源:中国科学:数学(英文版) 年份:2022
The Random Batch Method proposed in our previous work (Jin et al.J Comput Phys,2020) is not only a numerical method for interacting particle systems and its mean-field limit,but also can be viewed as a model of the particle system in which ......
[期刊论文] 作者:SHI Wen-jun,SHAO Hui,SHA Ye,SHI Rong,SHI Dong-feng,CHEN Ya-chao,BAN Xiang-ben,MI Guo-hua, 来源:农业科学学报(英文版) 年份:2022
Mechanized grain harvest of maize becomes increasingly important with growing land plot size in Northeast China. Grain moisture is an important factor affecting the performance of mechanized grain harvest. However, it remains unclear what i......
[期刊论文] 作者:Ning SHI,Yicheng WANG,Suolangtajie, 来源:气象学报(英文版) 年份:2022
Based on the daily Japanese 55-yr reanalysis data, this study analyzes the maintenance mechanism for 53 boreal winter blocking highs around the Ural Mountains (UBHs) during 1958–2018 based on the atmospheric energy budget equations. After ......
[期刊论文] 作者:Caihua SHI,Linlin SHI,Qingjun WU,Shaoli WANG,Baoyun XU,Youjun ZHANG, 来源:农业科学与工程前沿(英文版) 年份:2022
Bradysia cellarum Frey (Diptera:Sciaridae) is an important subterranean pest and is especially damaging to Chinese chive.An effective and more environmentally safe method than pesticides is needed for its control.The efficacy of B.cellarum ......
[期刊论文] 作者:Xiao-fang Shi,Tao Xu,Li-zhong Chang, 来源:中国铸造 年份:2022
To further improve the metallurgical quality of electroslag remelting, remove the large inclusions in electroslag ingot and refine the solidification structure of electroslag ingot, an electroslag remelting furnace with electromagnetic stir......
[期刊论文] 作者:Kelong YANG,Dong HAN,Qipeng SHI, 来源:中国航空学报(英文版) 年份:2022
To investigate the effects of lift and propulsive force shares on flight performance,a com-pound helicopter model is derived.The model consists of a helicopter model,a wing model and a propeller model.At a low speed of 100 km/h,the Lift-to-......
[期刊论文] 作者:Qiang Liu,Yating Luo,Jiyan Shi, 来源:环境科学学报(英文版) 年份:2022
At present,the cyanide gold extraction process is still the main technology for gold produc-tion.Generated cyanide tailings containing highly toxic substances exhibit potential envi-ronmental risks.These tailings are in urgent need of purif......
[期刊论文] 作者:Lei SHI,Longxing QI,Sulan ZHAI, 来源:数学物理学报(英文版) 年份:2022
This paper studies a kind of non-autonomous respiratory disease model with a lag effect.First of all,the permanence and extinction of the system are discussed by using the comparison principle and some differential inequality techniques.Sec......
[期刊论文] 作者:Yupeng Liu,Jinchun Shi,Chongyang Chen, 来源:中国物理快报(英文版) 年份:2022
We investigate the absorption properties of cyclotrimethylene trinitramine (RDX) single crystals from ~15 to 150 cm-1 using the terahertz time-domain spectroscopy.We observe that all the absorption modes exhibit strong anisotropic behavior i......
[期刊论文] 作者:Ran GU,Xue-liang LI,Yong-tang SHI, 来源:应用数学学报(英文版) 年份:2022
The Turán number of a k-uniform hypergraph H,denoted by exk(n;H),is the maximum number of edges in any k-uniform hypergraph F on n vertices which does not contain H as a subgraph.Let C(k)l denote the family of all k-uniform minimal cycles ......
[期刊论文] 作者:Xin Wang,Yongqiang Shi,Liming Ding, 来源:半导体学报(英文版) 年份:2022
Organic thermoelectric (OTE) materials that can convert waste heat to electricity have aroused interests due to their unique advantages over traditional inorganic TE materials,such as light weight,mechanical flexibility,low thermal con-duct......
[期刊论文] 作者:Luyao Guo,Xinli Shi,Jinde Cao, 来源:自动化学报(英文版) 年份:2022
Dear editor,rnPrimal-dual dynamics(PDD)and its variants are prominent first-order continuous-time algorithms to determine the primal and dual solutions of a constrained optimization problem(COP).Due to the simple structure,they have receive......
[期刊论文] 作者:Qiumeng XUE,Li GUAN,Xiaoning SHI, 来源:大气科学进展(英文版) 年份:2022
A physical retrieval approach based on the one-dimensional variational (1D-Var) algorithm is applied in this paper to simultaneously retrieve atmospheric temperature and humidity profiles under both clear-sky and partly cloudy conditions fr......
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