搜索筛选:
搜索耗时0.9518秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
发布年度:
[期刊论文] 作者：By WU XUE,
来源：CHINA TODAY 年份：2021
C HILDREN choirs not only train children how to sing but also nurture in them a collaborative spirit which benefits them for the rest of their life. Their young voices harmonize gloriously and the ha...
[期刊论文] 作者：Shuang WU,
来源：应用数学学报（英文版） 年份：2021
In this paper,a mean-variance hedging portfolio problem is considered for mean-field stochastic differential equations.The original problem can be reformulated as a nonhomogeneous linear-quadratic optimal control problem with mean-field typ......
[期刊论文] 作者：WU Jianlong,
来源：国际设备工程与管理（英文版） 年份：2021
There are two connection modes between escalator step and step drive chain of outer roller, connector type A and type B. Connector type B after a period of running was found that the fixing bolt on the connector has loosened, which causes s......
[期刊论文] 作者：Ying Wu,
来源：国际护理科学（英文） 年份：2021
The COVID-19 pandemic has brought an unprecedented disrup-tion to the world.Soon after the outbreak,there were no effective interventions that could stop the spread of the virus except the implementation of locking down[1],social distancing......
Reexamining the Classification of The Literary Mind and the Carving of Dragons in Terms of the Tradi
[期刊论文] 作者：Wu Genyou,
来源：孔学堂 年份：2021
Abstract： In traditional book catalogues， it poses no great problem to classify The Literary Mind and the Carving of Dragons as a work of literary criticism under the literature category. From the per...
“Forging A Sense of Community for the Chinese Nation”Among the Students in Minzu Colleges and Univer
[期刊论文] 作者：Wu Xianyun,
来源：民族学刊 年份：2021
DOI：10.3969/j.issn.1674-9391.2021.07.010 Abstract： Cross-cultural communication promotes communication and exchange among different countries and nations at political， economic， and cultural levels...
[期刊论文] 作者：WU Yaheng,,
来源：Aerospace China 年份：2021
At 10:19 Beijing time on March 13, 2021, a LM-4 C launch vehicle was launched into space from the Jiuquan Satellite Launch Center with 3 satellites, Yaogan 31-04 group, launching the satellites into t...
[期刊论文] 作者：Yanyou Wu,,
来源：Acta Geochimica 年份：2021
Photosynthesis is crucial to the reduction of carbon dioxide in the atmosphere. The key enzyme of photosynthesis, Ribulose-1,5-bisphosphate carboxylase/oxygenase(Rubisco), has two mutably competing su...
SOME OSCILLATION CRITERIA FOR A CLASS OF HIGHER ORDER NONLINEAR DYNAMIC EQUATIONS WITH A DELAY ARGUM
[期刊论文] 作者：Xin WU,
来源：数学物理学报（英文版） 年份：2021
In this paper,we establish some oscillation criteria for higher order nonlinear delay dynamic equations of the form[rnψ(… r2(r1x△)△…)△]△(t) + h(t)f(x(τ(t))) =0 on an arbitrary time scale T with supT =∞,where n ≥ 2,ψ(u) =|u|γsgn(......
[期刊论文] 作者：WU Yong,
来源：声学学报（英文版） 年份：2021
The formulas of acoustic length correction and resonance frequency of perforated tube muffler are derived.It is proved that in the case of uniform distribution,the acoustic length correction coefficient of the acoustic radiation from multip......
[期刊论文] 作者：WU Wei,
来源：宝钢技术研究（英文版） 年份：2021
Baosteel\'s first BTW1 austenitic high-manganese wear-resistant steel exhibits strong deformation-induced hardening characteristics.Compared with common low-alloy martensitic wear-resistant steels in the market,it has improved impact wear r......
[期刊论文] 作者：Liming WU,
来源：数学物理学报（英文版） 年份：2021
In this exposition paper we present the optimal transport problem of Monge-Ampère-Kantorovitch (MAK in short) and its approximative entropical regularization.Con-trary to the MAK optimal transport problem,the solution of the entropical opt......
[期刊论文] 作者：Wu Lin,
来源：中国国际问题研究 年份：2021
Entering the third decade of the 21st century, Asian regional cooperation1 is standing at a new starting point. Internally, regional cooperation has reached a plateau, which requires regional countries to make necessary policy adjustments a......
[期刊论文] 作者：吴成建,
来源：中国茶叶 年份：2021
有害生物;茶;有机;加工厂;防治 Prevention and Control Measures for Harmful Organisms in Organic Tea Processing WU...
[期刊论文] 作者：东郭冰冰,
来源：红蜻蜓·低年级 年份：2021
今jīn年nián，绿lǜ豆dòu蛙wā分fēn到dào的de任rèn务wu...
[期刊论文] 作者：Clay Wu,Gloria Wu,Lynn Fukushi,
来源：呼吸病期刊(英文) 年份：2021
Rationale:...
White oak (Quercus fabri Hance) regenerated stump sprouts show few senescence symptoms during 40 yea
[期刊论文] 作者：Honggang Sun,Sisheng Wu,Liwen Wu,
来源：森林生态系统:英文版 年份：2021
Background:The relationship between physiological age of parental trees and lifespan of clonal offspring is unclear.White oak(Quercus fabri Hance)has a high spr...
[期刊论文] 作者：Shiquan REN,Chengyuan WU,Jie WU,
来源：数学年刊B辑（英文版） 年份：2021
In this paper,the authors study further properties and applications of weighted homology and persistent homology.The Mayer-Vietoris sequence and generalized Boc...
[期刊论文] 作者：Min Wu,Ye-Feng Wu,Yi Ma,
来源：中国物理B（英文版） 年份：2021
The three halogen solids (Cl2,Br2,and I2) have the isostructural diatomic molecular phase Ⅰ with a space group of Cmca at ambient pressure.At high pressure,the...
[期刊论文] 作者：WU XIAOLING,WU MENGLIN,LI TING,
来源：今日中国:英文版 年份：2021
ON March 20,2021,the latest archaeological discovery at the Sanxingdui ruins site gripped the public’s attention:more than 500 ancient artifacts were unearthed...
相关搜索：
