SUDDEN

作品数:348被引量:672H指数:12
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Delayed drainage of aquitard in response to sudden change in groundwater level in adjacent confined aquifer: Analytical and experimental studies被引量:12
《Chinese Science Bulletin》2013年第25期3060-3069,共10页ZHOU ZhiFang GUO QiaoNa DOU Zhi 
supported by the National Natural Science Foundation of China (41172204)
The problem of the groundwater dynamics and water balance of a confined aquifer in the aquifer system has been solved in previous studies, whereas that in the aquitard adjacent to the confined aquifer has seldom been ...
关键词:承压含水层 地下水水位 延迟释放 隔水层 实验 水力传导系数 地下水动态 弱透水层 
The correlation of flare's location on solar disc and the sudden increase of total electron content被引量:8
《Chinese Science Bulletin》2002年第1期82-85,共4页ZHANG Donghe, XIAO Zuo & CHANG QingDepartment of Geophysics, Peking University, Beijing 100871, China Qingdao Research Center, China Research Insitute of Radio-wave Propagation, Qingdao 266071, China Department of Electronic Engineering, Beijing Universit 
This work was supported by the National Natural Science Foundation of C'hina (Grant Nos. 49874041 and 49990455).
The correlation of flare’s location on solar disc with the value of sudden increase of total electron content is analyzed with flare’s parameters observed by GOES satellite from 1997 to 1999 and total electron conte...
关键词:FLARE SITEC GPS. 
The paleoclimatic events and cause in the Okinawa Trough during 50 kaBP被引量:4
《Chinese Science Bulletin》2001年第2期153-157,共5页S.Berne Y.Saito 
a joint Chinese-French study funded by the National Natural Science Foundation of China (Grant Nos. 49776292 and 49736210).
Planktonic foraminiferal δ18O record for core DGKS9603 from the Okinawa Trough shows a series of climatic fluctuations and sudden cooling events in short time scale during 50 kaBP, which appear to correlate closely t...
关键词:OKINAWA TROUGH SUDDEN PALEOCLIMATIC change EVENTS polarity reversal EVENTS Late Quaternary. 
Spline wavelet combined with spline interpolation interruption filtering analysis for narrow sharp peak spectral signal被引量:1
《Chinese Science Bulletin》2000年第13期1172-1175,共4页Xiaoyong Zou Jinyuan Mo 
According to the main characteristic of sharp peak, the method of spline wavelet combined with spline interpolation interruption filtering analysis is proposed for a sudden change (an unstable) noised signal and is ap...
关键词:SUDDEN change signal SPLINE wavelet FILTERING SPLINE interpolation. 
The Mechanism of an AI Adaptive Control
《Chinese Science Bulletin》1993年第7期614-615,共2页涂承媛 
Adaptive control is one of the current methods in modem control theory. In this letter, an AI adaptive control method is developed, which can, with a simple microcomputer as the hardware foundation, effectively and su...
关键词:MODEM hardware LETTER switching DISTURBANCE DIVERGENCE statements SUDDEN INSTRUCTION worthy 
THE EFFECT OF RUTHENIUM SURFACE ADSORPTION ON MORIN TEMPERATURE OF HEMATITE
《Chinese Science Bulletin》1991年第14期1227-1228,共2页戴守愚 孙克 许志 荣书琴 王文魁 
Project support by the National Natural Science Foundation of China and the Magnetic Laboratory of Chinese Academy of Sciences.
Under normal condition, crystal hematite undergoes phase transition from antiferromagnetism to weak ferromagnetism at 260 K and the spin orientation changes from crystal axis [1121] to (1121)plane which is called Mori...
关键词:SURFACE transitional adsorbed SUDDEN NEEDLE toward drying MOVES 
THE MECHANISM OF SUDDEN STRATOSPHERIC WARMING——INTERACTION OF STRATOSPHERIC AND TROPOSPHERIC CIRCULATIONS
《Chinese Science Bulletin》1991年第4期309-313,共5页李自强 高由禧 瞿章 
Ⅰ. INTRODUCTIONMany observational data have demonstrated that the sudden stratospheric warming (SSW) play an essential role in stratospheric circulation and its seasonal variation. And SSW is usually accompanied by a...
关键词:SUDDEN STRATOSPHERIC WARMING BLOCKING pattern interaction. 
PHYSIOLOGICAL CHANGES OF PHOTORECEPTOR OF BUSH CRICKET COMPOUND EYES AS A FUNCTION OF TIME AND ADAPTATION STATE被引量:2
《Chinese Science Bulletin》1990年第15期1319-1320,共2页吴卫国 吴梅英 E.J.WARRANT 徐智敏 石淑珍 王翔 高奔 张少吾 
Project suuported by the National Natural Science Foundation of China.
Retinula cell responses were recorded from the compound eyes of the bush cricket with the intracellular electrode recording method at different adaptation states(light-and darkadapted states)during a 24-h period(day a...
关键词:night ADAPTATION absolute recording intracellular angular 了公 ultraviolet SUDDEN TWISTED 
XPS STUDY ON DIFFERENT CRYSTALLINE FORMS OF COPPER PHTHALOCYANINE
《Chinese Science Bulletin》1985年第5期612-615,共4页王殿勋 石祖荣 
The copper phthalocyanine (CuPc) as a dye and photoconductive material plays an important role in bionics. The different crystal forms of CuPc have distinct properties. In this article XPS results of α, β, γ, X-CuP...
关键词:SHAKE PHTHALOCYANINE VALENCE PHOTOELECTRON unsaturated listed CARLSON deter SUDDEN 加功 
EXPANSION COEFFICIENTS OF STATISTICAL SPECTROSCOPY IN NUCLEAR PHYSICS
《Chinese Science Bulletin》1985年第6期736-740,共5页赵恩广 
It is important in nuclear physics to study the energy variation of a physical quantity. This variation can often be separated into two parts: the smooth variation and the fluctuation. According to the random matrix s...
关键词:FLUCTUATION SEPARATED slightly smoothed SUDDEN AGAIN DERIVATION POWERFUL dimensions devoted 
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