نتایج جستجو برای: nitrate and bromide

تعداد نتایج: 16834841  

2016
Xiaohang Lin Florian Gossenberger Axel Groß

1 The equilibrium coverage of metal electrodes in contact with an electrolyte has been addressed by periodic quantum-chemical calculations based density functional theory. The electrolyte has been treated in a grand-canonical approach using the concept of the computational hydrogen electrode. After briefly reviewing the theory and illustrating it using the co-adsorption of bromide and hydrogen ...

Journal: :Journal of chromatography. A 2004
Verónica Galli Coral Barbas

A simple and rapid capillary electrophoresis method for low-molecular mass carboxylic acids measurement in coffee has been optimised and validated. Regarding separation conditions, phosphate concentration in the background electrolyte, surfactant type [cetyltrimethylammonium bromide (CTAB), tetradecyltri methylammonium bromide (TTAB) and hexadimethrine bromide (HDB)], percentages of organic mod...

Journal: :Water research 2012
Bonnie A Lyon Aaron D Dotson Karl G Linden Howard S Weinberg

Ultraviolet (UV) disinfection is being increasingly used in drinking water treatment. It is important to understand how its application to different types of water may influence finished water quality, particularly as anthropogenic activity continues to impact the quality of source waters. The objective of this study was to evaluate the effect of inorganic precursors on the formation of regulat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم پایه 1388

introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...

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