A statistical study of ionospheric irregularities observed with a GPS network in Japan

2006 ◽  
pp. 271-281 ◽  
Author(s):  
Y. Otsuka ◽  
T. Aramaki ◽  
T. Ogawa ◽  
A. Saito
Keyword(s):  
Statistical Study ◽  
Ionospheric Irregularities ◽  
Gps Network

scholarly journals Monitoring of global ionospheric irregularities using the Worldwide GPS Network

1997 ◽  
Vol 24 (18) ◽  
pp. 2283-2286 ◽  
Author(s):  
X. Pi ◽  
A. J. Mannucci ◽  
U. J. Lindqwister ◽  
C. M. Ho
Keyword(s):  
Ionospheric Irregularities ◽  
Gps Network

Statistical Study of the Rotation Effect of Am Stars

1976 ◽  
Vol 32 ◽  
pp. 675-683
Author(s):  
Keiichi Kodaira
Keyword(s):  
Statistical Study ◽  
Rotation Velocity ◽  
General View ◽  
Slow Rotation ◽  
Rotation Effect

SummaryExcess of [m1] index of Am stars, relative to normal stars, is statistically found to be correlated with rotation velocity; the coefficient is estimated at ∆׀m1׀ /∆V(km/sec) ˜ - 0.0007 among Am stars. This result supports the general view that slow rotation is essential for Am phenomena.

Identification of Venous Variants in the Pineal Region with 3D Preoperative Navigation. A Statistical Study on the Venous Anatomy in the Living

Skull Base ◽  
2009 ◽  
Vol 19 (01) ◽  
Author(s):  
Mario Giordano ◽  
Wolf Luedemann ◽  
Lennart Stieglitz ◽  
Karsten Wrede ◽  
Laura Columbano ◽  
...  
Keyword(s):  
Statistical Study ◽  
Pineal Region ◽  
Venous Anatomy

A Statistical Study of Process Variables to Optimize a High Speed Curtain Coater: Part I

TAPPI Journal ◽  
2009 ◽  
Vol 8 (1) ◽  
pp. 20-26 ◽  
Author(s):  
PEEYUSH TRIPATHI ◽  
MARGARET JOYCE ◽  
PAUL D. FLEMING ◽  
MASAHIRO SUGIHARA
Keyword(s):  
Boundary Layer ◽  
Experimental Design ◽  
High Speed ◽  
Statistical Study ◽  
Process Variables ◽  
High Speeds ◽  
The Stability ◽  
Air Removal ◽  
Removal System

Using an experimental design approach, researchers altered process parameters and material prop-erties to stabilize the curtain of a pilot curtain coater at high speeds. Part I of this paper identifies the four significant variables that influence curtain stability. The boundary layer air removal system was critical to the stability of the curtain and base sheet roughness was found to be very important. A shear thinning coating rheology and higher curtain heights improved the curtain stability at high speeds. The sizing of the base sheet affected coverage and cur-tain stability because of its effect on base sheet wettability. The role of surfactant was inconclusive. Part II of this paper will report on further optimization of curtain stability with these four variables using a D-optimal partial-facto-rial design.

Non-Linear Interaction of MHD Waves with Small-Scale Ionospheric Irregularities

2004 ◽  
Vol 61 (7-12) ◽  
pp. 1055-1071
Author(s):  
N. N. Gerasimova ◽  
V. G. Sinitsin ◽  
Yu. M. Yampolski
Keyword(s):  
Ionospheric Irregularities ◽  
Mhd Waves ◽  
Small Scale ◽  
Linear Interaction ◽  
Non Linear
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