نتایج جستجو برای: water contact

تعداد نتایج: 701123  

Journal: :bulletin of the iranian mathematical society 0
m. atceken gaziosmanpasa university, faculty of arts and sciences, department of mathematics, 60250 tokat/turkey

abstract: in the present paper, we give a necessary and sufficient condition for contact cr-warped product to be contact cr-product in kenmotsu space forms.

Journal: :Geospatial health 2012
Edmund Y W Seto José C Sousa-Figueiredo Martha Betson Chris Byalero Narcis B Kabatereine J Russell Stothard

The establishment of a national control programme (NCP) in Uganda has led to routine treatment of intestinal schistosomiasis with praziquantel in the communities along Lake Albert. However, because regular water contact remains a way of life for these populations, re-infection continues to mitigate the sustainability of the chemotherapy-based programme. A six-month longitudinal study was conduc...

Journal: :Physical chemistry chemical physics : PCCP 2015
András Stirling Tamás Rozgonyi Matthias Krack Marco Bernasconi

The supercritical water-pyrite interface has been studied by ab initio molecular dynamics simulation. Extreme conditions are relevant in the iron-sulfur world (ISW) theory where prebiotic chemical reactions are postulated to occur at the mineral-water interface. We have investigated the properties of this interface under such conditions. We have come to the conclusion that hot-pressurized water...

Journal: :Revista de biologia tropical 2002
R D Briceño Lobo

On uncut plants of Dieffenbachia (Araceae) male aggregations of Archisepsis diversiformis (Sepsidae) were observed fighting with each other and courting females. The males were observed repeatedly orienting toward water droplets, moving next to the droplet and leaning against it, alternatively, to the two sides of the body and using the legs from the opposite side to push against it. This movem...

Journal: :Biomaterials 2005
Francesco Fornasiero Florian Krull John M Prausnitz Clayton J Radke

Water transport through soft contact lenses (SCL) is important for acceptable performance on the human eye. Chemical-potential gradient-driven diffusion rates of water through SCL materials are measured with an evaporation-cell technique. Water is evaporated from the bottom surface of a lens membrane by impinging air at controlled flow rate and humidity. The resulting weight loss of a water res...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :global journal of environmental science and management 0
h.m. nasir department of environmental sciences, faculty of environmental studies, universiti putra malaysia, 43400 upm serdang, selangor, malaysia a. azmi department of environmental sciences, faculty of environmental studies, universiti putra malaysia, 43400 upm serdang, selangor, malaysia a.z. aris department of environmental sciences, faculty of environmental studies, universiti putra malaysia, 43400 upm serdang, selangor, malaysia s.m. praveena department of environmental and occupational health, faculty of medicine and health sciences, universiti putra malaysia 43400 upm serdang, selangor, darul ehsan, malaysia

heavy metal contamination in the environment could cause harmful effects both to human health and aquatic life. numerous remediation methods had been developed to encounter with the contamination problem prior to degrade, decrease and to purify the contaminated water at minimal concentration as low as possible. therefore, in current study, commercialized chicken eggshells and hybrid akar putra ...

Journal: :iranian j. of fisheries science 2016
a mostafaeipour

aquaculture is among the oldest occupations of human being. over the past quarter of century, the aquaculture industry has grown rapidly. the effect of water containing sodium sulfate on long term compressive strength of concrete of fishing ponds and channels is investigated in this paper. aim of this paper was to analyze the strength of concrete channels and of aquaculture which are in direct ...

1984
V. A. Parsegian D. C. Rau

In this paper we make the following points: Water is perturbed within several angstroms of the surfaces of soluble molecules. Removal of this water can require significant amounts of work, seen as an exponentially varying "hydration force" with respect to molecular separation. The favorable and specific attractions that occur in molecular assembly or in ligand binding imply that the specific as...

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