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This work was supported in part by the National Nature Science Foundation of China(51977142)。
The concept of a flexible power electronics substation(FPES)was first applied in the Zhangbei DC distribution network demonstration project.As a multi-port power electronics transformer(PET)with different AC and DC vo...
Supported by a grant from the National Natural Sciences Foundation of China(No.81571695)
Objective The aim of this study was to evaluate the additional benefit of the difference of maximum and minimum shear wave velocity(SWV) values obtained at different probe orientations(D-value) for the differential di...
With more ready-to-eat foods and increased shelf-lives, prevention of Listeria monocytogenes contamination has become a necessity for the food industry. This study examined the effects of sublethal heat treatment on t...
Supported by the Foundation of Fu’jian Educational Committee-B Plan (Grant No.JB11268);the Natural Science Foundation of Fujian Province (Grant No.2010J05003);the National Natural Science Foundation of China (Grant No.11301076)
In this paper, we deal with the problem of normal families concerning share-values. The results extend and improve some theorems put forward by Miranda, Pang, Chen, Hua and Fang. Moreover, we answer one question posed...
To determine the degree of oxidation in vegetable oil, a photochemical method using the electron spin resonance (ESR) spin trapping technique was developed, and the results were compared with those obtained using co...
Project supported by the National Natural Science Foundation of China(19971052) and the Programme of Hunan Education Foundation(02C095)
The uniqueness of meromorphic functions that share four values is investigated. A necessary condition to the case is acquired, and some partial results for question '1CM+3IM=4CM' are obtained.
As gravity field, magnetic field, electric field and seismic wave field are all physical fields, their object function, reverse function and compound function are certainly infinite continuously differentiable functio...
The NNSF (19871050) of China and the Doctoral Programme Foundation (98042209) of Higher Education.
A problem of meromorphic functions that share two values is discussed, and two results recently obtained respectively by Yi H. X. and Song G. D. & Li N. are improved.
This project is sponsored by the CSB under the project No.95-04, China.
The seismicity factor A-value is defined by synthesizing the seismicity precursors in time, space and magnitude in this paper. The seismicity data of moderate or small earthquakes during 1972 ~ 1996 in North China are...