نتایج جستجو برای: wetting

تعداد نتایج: 7639  

2009
Doug Karcher Mike Richardson Aaron Patton

It is not clear how various wetting agent products affect moisture distribution throughout sand-based putting green rootzones. The objective of this research was to determine how localized dry spot (LDS) incidence, and soil moisture values and uniformity were affected by the application of five commercially available wetting agents. Wetting agents were applied during the 2008 growing season and...

Journal: :journal of chemical and petroleum engineering 2012
abbas atashdehghan reza fathi hossein fazeli

in oil industry, spontaneous imbibition is an important phenomenon in recovery from fractured reservoirs which can be defined as spontaneous uptake of a wetting fluid into a porous solid. spontaneous imbibition involves both cocurrent and countercurrent flows. when a matrix block is partially covered by water, oil recovery is dominated by cocurrent imbibition i.e. the production of non wetting ...

ریاحی, سمیرا, نیرومند, بهزاد,

Preliminary results of a research on the effects of microstructure and surface roughness of a hypoeutectic cast iron on its wetting angle are presented in this article. For this purpose, molten cast iron was solidified at different cooling rates to produce two samples of the same composition, i.e. a gray cast iron with A type flake graphite and a white cast iron. Two samples were then prepared ...

ژورنال: علوم آب و خاک 2012
آزاده صفادوست, , علی اکبر محبوبی, , محمد‌رضا مصدقی, , معصومه نیکپور, ,

The effects of soil intrinsic properties on soil structural stability were evaluated. Soil samples (33 series) with wide ranges of properties and structural stability were collected from Hamadan province. Two structural stability indices were used: mean weight diameter (MWD) using Yoder method and De Leenheer-De Boodt index (DDI). Wetting pre-treatments (fast wetting to saturation and slow wett...

Journal: :J. Comb. Theory, Ser. A 2006
Jian-Yi Shi

Let W be a finite or an affine Coxeter group and Wc the set of all the fully commutative elements in W . For any left cell L of W containing some fully commutative element, our main result of the paper is to prove that there exists a unique element (say wL) in L ∩ Wc such that any z ∈ L has the form z = xwL with `(z) = `(x) + `(wL) for some x ∈ W . This implies that L is left connected, verifyi...

Journal: :jundishapur journal of natural pharmaceutical products 0
eskandar moghimipour cellular and molecular research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran anayatollah salimi nanotechnology research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran saeed rezaee department of pharmaceutics, school of pharmacy , zanjan university of medical science, zanjan, ir iran maryam balack department of pharmaceutics, faculty of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, ir iran somayeh handali nanotechnology research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; nanotechnology research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-9161147998, fax: +98-6113738381

conclusions in conclusion, the suspension containing veegum 1%, sodium carboxy methyl cellulose 1%, glycerine 0.2%, sodium citrate 0.3% and sorbitol 20 % was chosen as the most physically stable formulation. results according to the results, glycerin (0.2%) and sodium citrate (0.3%) had the best effect on the suspension stability as wetting and flocculating agents, respectively. rheological pro...

Journal: :Journal of pediatric psychology 2007
Carol Joinson Jon Heron Alan Emond Richard Butler

OBJECTIVE To investigate the psychological problems associated with bedwetting and combined (day and night) wetting in children aged around 7(1/2) years. METHODS Participants were a cohort of over 8000 children enrolled in the population-based Avon Longitudinal Study of Parents and Children. Parents completed postal questionnaires assessing common childhood psychological problems, and childre...

Journal: :Archives of disease in childhood 1977
I Berg D Fielding R Meadow

Forty children with day and night wetting were compared with 46 with night wetting only to see if day wetting was then associated with particular clinical features. Interviews with mothers, questionnaries completed by teachers, physical investigations, and measurement of functional bladder capacities were used. Day wetting combined with bed wetting occurred equally in boys and girls and was ass...

2013
Solomon Adera

A droplet deposited on a rough, lyophilic surface satisfying the imbibition condition, results in spontaneous spreading and hence complete wetting. However, in this thesis, we demonstrate that this wetting behavior can be altered by superheating the substrate such that droplets can reside in a non-wetting state due to evaporation. Photolithography and deep reactive ion etching were used to fabr...

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