نتایج جستجو برای: salt water interface

تعداد نتایج: 808870  

Journal: :Hosokawa Powder Technology Foundation ANNUAL REPORT 2018

Plastic pollution has universally known accumulated in all environment compartments and accelerating threat to the sustainability of earth. Field survey to examine the occurrence of microplastics in ancient sea water evaporation technology of ponds at Pallengu-Jeneponto, was conducted. From this sea salt producing ponds, samples of water, sediment and freshly harvested salts were collected. Six...

Journal: :Journal of molecular biology 1998
R O'Brien B DeDecker K G Fleming P B Sigler J E Ladbury

This study investigates the thermodynamics of the interaction of the TATA box binding protein (TBP) from Pyrococcus woesei (Pw) with an oligonucleotide containing a specific binding site. Pw is a hyperthermophilic archeal organism which exists under conditions of high salt and high temperature. A measurable protein-DNA interaction only occurs at high salt concentrations. Isothermal titration ca...

2017
Jan Heyda Halil I Okur Jana Hladílková Kelvin B Rembert William Hunn Tinglu Yang Joachim Dzubiella Pavel Jungwirth Paul S Cremer

A combination of Fourier transform infrared and phase transition measurements as well as molecular computer simulations, and thermodynamic modeling were performed to probe the mechanisms by which guanidinium (Gnd+) salts influence the stability of the collapsed versus uncollapsed state of an elastin-like polypeptide (ELP), an uncharged thermoresponsive polymer. We found that the cation's action...

Journal: :journal of agricultural science and technology 2010
a. r. dadkhah h. grrifiths

this study investigated intra-specific variation in the growth parameters and dry mat-ter partitioning of sugar beet cultivars at different levels of salinity (0, 50, 150, 250 and 350 mm nacl + cacl2 in 5:1 molar ratio) using four cvs, one british (madison) and three iranian cvs (7233-p12, 7233-p21 and 7233-p29). the plants were grown in a controlled greenhouse environment for about 18 weeks. a...

Journal: :international journal of environmental research 0
t. ahmadzadeh kokya graduate faculty of environment, university of tehran, p.o. box 14155-6135, tehran, iran a.h. pejman graduate faculty of environment, university of tehran, p.o. box 14155-6135, tehran, iran e. mahin abdollahzadeh graduate faculty of environment, university of tehran, p.o. box 14155-6135, tehran, iran b. ahmadzadeh kokya water laboratory, department of authority of water resources, water organization, urmia, iran m. nazariha graduate faculty of environment, university of tehran, p.o. box 14155-6135, tehran, iran

in this study some thermodynamic parameters including freezing point, boiling point and the vapor pressure of urmia lake salt water were investigated as some important environmentally monitored physicochemical properties of urmia lake. in this regard salt concentration is chiefly responsible for the modification of the thermodynamic properties of urmia lake water which affects its overall envir...

2010
Qiaona Guo Hailong Li Michel C. Boufadel Youness Sharifi

[1] This paper investigated the interaction of groundwater and seawater in a tidally influenced gravel beach. Field observations of water table, pore water salinity were performed. The two‐dimensional finite element model MARUN was used to simulate observed water table and salinity. Based on field observations and model calibrations, a two‐layered beach structure was identified which is charact...

Journal: :Hypertension 1992
D Trinder P A Phillips J Risvanis J M Stephenson C I Johnston

Since arginine vasopressin may play a role in mineralocorticoid hypertension, we examined the effects of deoxycorticosterone acetate (DOCA)-salt on vasopressin V1 and V2 receptor binding and their second messengers, inositol phosphate and adenylate cyclase, respectively, in liver and kidney to determine whether altered vasopressin receptor binding is pathogenetic in mineralocorticoid hypertensi...

Journal: :The Journal of chemical physics 2004
Xiangguo Guan Yong Du Yun-Liang Li Wai Ming Kwok David Lee Phillips

The ultraviolet photolysis of CH(2)I(2) was studied in water and salt water solutions using photochemistry and picosecond time-resolved resonance Raman spectroscopy. Photolysis in both types of environments produces mainly CH(2)(OH)(2) and HI products. However, photolysis of CH(2)I(2) in salt water leads to the formation of different products/intermediates (CH(2)ICl and Cl(2) (-)) not observed ...

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