نتایج جستجو برای: aluminum reduction plant

تعداد نتایج: 913523  

The effect of concentrations 0(control), 250, 500, 1000, 2000 and 4000 µM of aluminum on the growth rate and content total chlorophyll of Dunaliella salina strain UTEX-200 has been studied for duration of 27 days. The results indicated that an increase in aluminum concentration resulted in a decrease in the growth rate and chlorophyll content. It seems that these effects are probably due to des...

2017

Aluminum compounds were first identified as adjuvant over 90 years ago [1]. Adjuvants (immunopotentiators or immuno modulators) in vaccine formulations aim to enhance, accelerate and prolong the specific immune response towards the desired response to vaccine antigens. Advantages of adjuvants include the enhancement of the immunogenicity of antigens, modification of the nature of the immune res...

2000
Kevin L. Moore Nobuo Urata

This paper considers control of the aluminum reduction process, using a dynamic model developed from the literature and Virtpot, a model developed at Kaiser Aluminum. Analysis shows the process is controllable and observable, but not easily stabilizable using only one input, and that short-term changes in measured voltage result primarily from changes in alumina concentration rather than anode-...

Journal: :medical journal of islamic republic of iran 0
aa moshtaghie from the dept. of biochemistry, school of pharmacy, isfahan university of medical sciences, isfahan, islamic republic of iran. a sobhani from the department of pharamacology, faculty of medicine, gilan universily of medical sciences, rasht

the influence of aluminum on some serum parameters related to bone metabolism has been investigated by daily administration of aluminum over different periods of time. daily administration of aluminum (1 mg/kg bw) for 20 or 50 days elevated serum phosphorous concentration by 16 percent and had no significant effect on serum calcium level. when aluminum was injected as a complex with citric acid...

2015
Parviz Malekzadeh Reza Sheikhakbari Mehr Ali Asghar Hatamnia

Aluminum toxicity is one of the most deleterious factors for plant growth in acidic soils because over 50% of the world’s potentially arable lands are acidic. In recent years, considerable research has been conducted to understand the mechanisms of Al toxicity and tolerance in plants. This paper reviews the effects of different concentration of Al on plant shoot, root physiological parameters s...

Journal: :Chemosphere 2010
Hsing-Lung Lien Chia Ching Yu Ya-Ching Lee

Removal of perchlorate using either acid-washed zero-valent aluminum or aluminum hydroxide was studied in batch reactors under ambient temperature and pressure. Approximately 90-95% of perchlorate was removed within 24h in the presence of 35 g L(-1) aluminum at acidic pH (4.5+/-0.2). Although aluminum is a strong reductant, this study indicated no explicit evidence to support perchlorate reduct...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان مرکزی 1380

چکیده ندارد.

Esmaeil Karami, Mahmoud Ghazi Khansari, Mehrafarin Kiani, Reza Chahardoli, Seyed Jamaleddin Shahtaheri, Zahra Goodarzi,

Introduction: Although aluminum oxide nanoparticles (Al2O3-NPs) are the most widely used nanomaterials, limited studies have been reported on their toxicology. Therefore, the present study aimed to investigate the potential toxicity of aluminum oxide (alumina) nanoparticles and the protective role of aqueous extract of wormwood plant on nanomaterial-induced disorders in the lung of rats. Mater...

Journal: :Occupational and environmental medicine 1996
M R Cullen H Checkoway B H Alexander

OBJECTIVE Four cases of pituitary adenoma among employees at a primary aluminum production factory were identified over a five year period by a community physician. The objective of this investigation was to determine whether there has been a comparable high incidence in other aluminum factories, and if particular jobs, departments, or activities in the industry are associated with higher rates...

2015
Jun TU Ke-jian LIU Long-ju RAN Xing-ping PAN

Fluoride (F), a powerful oxidizing agent, is used in a variety of industries in China. Health problems among industrial workers due to F poisoning are on the rise. Long-term F exposure, together with varieties of relevant factors, leads to high F burden [blood fluoride (BF), urinary fluoride (UF)], which can finally result in F bone injury (1). As F burden is the major cause of F bone injury, t...

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