نتایج جستجو برای: alternate wetting

تعداد نتایج: 31963  

Journal: :Water 2023

The alternate wetting and drying (AWD) as water-saving technology aligns with the good agricultural practices (GAP) principles, particularly in environmental management of water conservation. Thus, GAP adopters farmer groups are seen viable AWD initial stages scaling out adoption Thailand. However, understanding integrating among remains scant. Using case rice farmers Thailand, study found a hi...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2003
D de las Heras L Mederos E Velasco

A density-functional theory is used to analyze the wetting properties of a fluid made up of hard spherocylinders of a length-to-breadth ratio L/D=5 on a model substrate. The substrate imposes an exclusion boundary condition over the molecular centres of mass, while at the same time favoring a definite molecular orientation, either parallel or perpendicular to the substrate, in a region next to ...

Journal: :تحقیقات مهندسی کشاورزی 0
مژده خلیلی دانش آموخته کارشناسی ارشد آبیاری و زهکشی دانشگاه علوم کشاورزی و منابع طبیعی گرگان مهدی اکبری دانشیار موسسه تحقیقات فنی و مهندسی کشاورزی ابوطالب هزارجریبی دانشیار گروه مهندسی آب دانشکده کشاورزی دانشگاه علوم کشاورزی و منابع طبیعی گرگان مهدی ذاکری نیا استادیار گروه مهندسی آب دانشکده کشاورزی دانشگاه علوم کشاورزی و منابع طبیعی گرگان فریبرز عباسی استاد موسسه تحقیقات فنی و مهندسی کشاورزی

optimal use of water resources is essential to decrease cost and maximize available water resources. subsurface drip irrigation can increase irrigation and water use efficiency. this irrigation method distributes water into the soil, leaving the surface of the soil dry and decreasing evaporation. in the design of subsurface drip irrigation (sdi) systems, the dimensions of the wetted onion deter...

Journal: :Agricultural sciences 2023

Irrigation in lowland rice production systems Sub-Saharan Africa (SSA) is mainly based on traditional surface irrigation methods with continuous flooding practices. This method ends up using a lot more water that would have otherwise been used to open land and be other water-requiring sectors. Various studies suggest Alternate Wetting Drying (AWD) as an alternative practice for management reduc...

2013
M. A. Basunia

Thirty three re-wetting tests were conducted at different combinations of temperatures (5.746.3C) and relative humidites (48.2-88.6%) with barley. Two most commonly used thinlayer drying and rewetting models i.e. Page and Diffusion were compared for their ability to the fit the experimental re-wetting data based on the standard error of estimate (SEE) of the measured and simulated moisture cont...

2010
Christophe Cottin Hugues Bodiguel Annie Colin

Microfluidics device are used to study the drainage of a wetting fluid by a non-wetting one in porous media. Both the geometry and the wetting properties are accurately controlled and allow to obtain quantitative measurements of the features of the capillary fingering occuring during the invasion as a function of the imposed flow rate. In partial wetting systems, a quantitative agreement is fou...

Journal: :Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics 2000
Curtarolo Stan Bojan Cole Steele

Grand canonical simulations are used to calculate adsorption isotherms of various classical gases on alkali metal and Mg surfaces. Ab initio adsorption potentials and Lennard-Jones gas-gas interactions are used. Depending on the system, the resulting behavior can be nonwetting for all temperatures studied, complete wetting, or (in the intermediate case) exhibit a wetting transition. An unusual ...

1999
S. Curtarolo G. Stan M. J. Bojan M. W. Cole W. A. Steele

Grand canonical simulations are used to calculate adsorption isotherms of various classical gases on alkali metal and Mg surfaces. Ab initio adsorption potentials and Lennard-Jones gas-gas interactions are used. Depending on the system, the resulting behavior can be nonwetting for all temperatures studied, complete wetting , or (in the intermediate case) exhibit a wetting transition. An unusual...

2005
Christophe Schinckus

In a first step, we present what we call the " symbolic virtualization " that illustrates the " consumer-oriented " dimension of finance where recent marketing methods present the financial market as a " fashion game ". We also emphasize the speculative impacts of this evolution. We introduce then what we call the " technological virtualization " of finance, that derives from the growing comput...

2013
Caroline Dombrowski Jeffrey Y. Kim Jordan Eschler Wayne G. Lutters

Virtual and distributed collaboration are increasingly important for organizations. This paper presents episodes of negotiated term definitions used to complete tasks in a voluntary, ad hoc game forum of an Alternate Reality Game (ARG). Episodes analyzed focus on specialized language used during problem solving. Terminology analysis reveals that players do not explicate definitions and construc...

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