VARIATIONS

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A Study of Variations in Address Forms in the Tinghu Dialect of Yancheng City
《Journal of Contemporary Educational Research》2025年第1期227-233,共7页Xingcheng Pan Zhenjun Song 
This study explores the variations in address forms within the Tinghu dialect of Yancheng city.The findings reveal that the ways individuals address one another in this region deviate from the established principles o...
关键词：Tone sandhi Address form Vocative Indirect address 
Superconvergence Study of the Direct Discontinuous Galerkin Method and Its Variations for Diffusion Equations被引量：2
《Communications on Applied Mathematics and Computation》2022年第1期180-204,共25页Yuqing Miao Jue Yan Xinghui Zhong 
the National Science Foundation grant DMS-1620335 and Simons Foundation Grant 637716;Research work of Xinghui Zhong is supported by the National Natural Science Foundation of China(NSFC)(Grant no.11871428).
In this paper,we apply the Fourier analysis technique to investigate superconvergence properties of the direct disontinuous Galerkin(DDG)method(Liu and Yan in SIAM J Numer Anal 47(1):475-698,2009),the DDG method with ...
关键词：Direct discontinuous Galerkin methods SUPERCONVERGENCE Fourier analysis Diffusion equation 
Using Environmental Isotope Method to Study the Air Temperrature Variations of the Earth
《Journal of Groundwater Science and Engineering》2014年第2期97-102,共6页Do Van Binh 
Using environmental isotopes to study the variations in air temperature is a relatively new method in Vietnam. This is a new and reliable method. Using environmental isotopes to study the temperature variations in the...
Study on Dragline-Bulldozer Operation with Variations in Coal Seam Thickness被引量：10
《Journal of China University of Mining and Technology》2007年第4期464-466,共3页ZHOU Wei CAI Qing-xiang CHEN Shu-zhao 
Projects 50474069 supported by the National Natural Science Foundation of China;2006BAB16B00 by the State Scientific and Technological Project of the 11th Five-Year Plan
The dragline is one of the most promising surface mining machines in China. This paper studies the interac-tion between the working bench advancing speed and the stripping volume with variation in coal seam thickness....
关键词：open pit coal thickness variation DRAGLINE ADAPTABILITY BULLDOZER 
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