نتایج جستجو برای: vertical density profile

تعداد نتایج: 702379  

Ali Reza Farrokh Teimour Razavipour

The water percolation loss beyond root zone in the soil is one of the important parameters to determine water requirement of rice plant. If the amount of water percolation rate into the soil is estimated more carefully, determination of water requirement will be evaluated better and designing for system of irrigation, drainage and related establishments will be more easily done. The purpose of ...

1998
G. Cuttone C. De Martinis P. Finocchiaro D. Giove G. Raia A. Rovelli

A non destructive low intensity ion beam profile monitor has been designed and tested. The system is based on a MCP that detects the residual gas ionization produced by the ion beam. The detector is coupled to a phosphorous screen for the readout of the vertical and horizontal density profiles. Experimental results have shown that the system is able to detect beam intensities as low as 10 pps w...

Journal: :The annals of applied statistics 2012
Ying Wei Zhibiao Zhao Dennis K J Lin

Classical statistical process control often relies on univariate characteristics. In many contemporary applications, however, the quality of products must be characterized by some functional relation between a response variable and its explanatory variables. Monitoring such functional profiles has been a rapidly growing field due to increasing demands. This paper develops a novel nonparametric ...

2011
M. M. Hedman J. A. Burns D. P. Hamilton M. R. Showalter

Saturn’s diffuse E ring consists of many tiny (micron and sub-micron) grains of water ice distributed between the orbits of Mimas and Titan. Various gravitational and non-gravitational forces perturb these particles’ orbits, causing the ring’s local particle density to vary noticeably with distance from the planet, height above the ring-plane, hour angle and time. Using remote-sensing data obta...

2006
Geoffrey Gebbie Peter Huybers Olivier Marchal

[1] The vertical profile of meridional transport in the South Atlantic is examined by combining paleoceanographic observations with a geostrophic circulation model using an inverse method. dOcalcite observations along the margins of the South Atlantic show that upper-ocean cross-basin differences were weaker during the Last Glacial Maximum (LGM) than the Holocene. The dOcalcite observations can...

ژورنال: علوم آب و خاک 2012
مهدی قمشی, , سیدمحمود کاشفی‌پور, , فرید کوتی, ,

In this paper, velocity profiles were analyzed under different conditions such as bed slope, discharge and concentration of density current, and water entrainment. Experiments were carried out in a tilting flume with the density currents being provided using salt and water solution. Results showed that the above mentioned factors have significant effects on the velocity profile characteristics....

2012
E. Yizengaw E. Zesta M. B. Moldwin B. Damtie A. Mebrahtu C. E. Valladares R. F. Pfaff

[1] Accurate estimation of global vertical distribution of ionospheric and plasmaspheric density as a function of local time, season, and magnetic activity is required to improve the operation of space-based navigation and communication systems. The vertical density distribution, especially at low and equatorial latitudes, is governed by the equatorial electrodynamics that produces a vertical d...

Journal: :Ultrasonics 2013
Sergio J Sanabria Ulrich Hilbers Jürg Neuenschwander Peter Niemz Urs Sennhauser Heiko Thömen Jan L Wenker

Non-destructive density and microstructure quality control testing in particleboards (PBs) is necessary in production lines. A pulsed air-coupled ultrasound (ACU) high-resolution normal transmission system, together with a first wave tracking algorithm, were developed to image amplitude transmission G(p) and velocity c(p) distributions at 120kHz for PBs of specific nominal densities and five pa...

2002
Neeraj Agarwal

1.Introduction Use of proxy satellite observations for improving the model states of divergence, humidity and temperature has gained considerable impetus in the past one decade. Various researchers (Donner, 1998,Heckley et al, 1990, Krishnamurti, 1990) have used the satellite derived rainfall and moisture fields ameliorating the spin up problem in the tropics. Physical initialization methods (P...

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