Volume 6 | Issue 2 |

 Abstract

The aluminum bronzes are a group of copper-base composites containing around 5% to 11%aluminium, some having increments of iron, nickel, manganese or silicon. They incorporate composites reasonable for sand throwing, gravity bite the dust throwing and for the generation of forgings, plate, sheet, tube, strip, wire and expelled bars and segments. Contrasted and other copper combinations, the higher quality of the aluminum bronzes is joined with astounding erosion opposition under an extensive variety of administration conditions.Aluminum bronzes are the most stain safe copper combinations and demonstrate no genuine weakening in appearance and no huge loss of mechanical properties on presentation to most air conditions. Their protection from climatic consumption joined with high quality is misused, for instance, in their utilization for bearing hedges in air ship outlines. Aluminum bronzes likewise demonstrate low rates of oxidation at high temperatures and astounding protection from sulphuric corrosive, sulfur dioxide and other ignition items and are, along these lines, utilized for the development of things presented to either or both these conditions. For instance, aluminum bronzes are utilized effectively for inactive gas fans in oil tankers. These work under exceedingly focused on conditions in a variable however extremely destructive air containing salt-loaded water vapor, sulfurous gases and carbon.

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 Keywords

LM4,AL-Cu

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The stinging catfish, Heteropneustes fossilis, can tolerate high concentrations of environmental ammonia. Previously, it was regarded as ureogenic, having a functional ornithine-urea cycle (OUC) that could be up-regulated during ammonia-loading. However, contradictory results indicated that increased urea synthesis and switching to ureotelism could not explain its high ammonia tolerance. Hence, we re-examined the effects of exposure to 30 mmol l?1 NH4Cl on its ammonia and urea excretion rates, and its tissue ammonia and urea concentrations. Our results confirmed that H. fossilis did not increase urea excretion or accumulation during 6 days of ammonia exposure, and lacked detectable carbamoyl phosphate synthetase I or III activity in its liver. However, we discovered that it could actively excrete ammonia during exposure to 8 mmol l?1 NH4Cl. As active ammonia excretion is known to involve Na+/K+-ATPase (Nka) indirectly in several ammonia-tolerant fishes, we also cloned various nka?-subunit isoforms from the gills of H. fossilis, and determined the effects of ammonia exposure on their branchial transcripts levels and protein abundances. Results obtained revealed the presence of five nka?-subunit isoforms, with nka?1b having the highest transcript level. Exposure to 30 mmol l?1 NH4Cl led to significant increases in the transcript levels of nka?1b (on day 6) and nka?1c1 (on day 1 and 3) as compared with the control. In addition, the protein abundances of Nka?1c1, Nka?1c2, and total NKA? increased significantly on day 6. Therefore, the high environmental ammonia tolerance of H. fossilis is attributable partly to its ability to actively excrete ammonia with the aid of Nka.

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 Keywords

air-breathing fishes, carbamoyl phosphate synthetase, nitrogen metabolism, ornithine-urea cycle, Singhi catfish, ureogenesis

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 Abstract

ROLE OF ANTIOXIDANTS IN OXIDATIVE STRESS-A REVIEW

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ROLE OF ANTIOXIDANTS IN OXIDATIVE STRESS-A REVIEW

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Fast food products are often rumored to cause a variety of health problems. Ingredients that are synthetic, high in sugar or fat are not meant to be eaten on a regular basis. Eating these ingredients regularly can lead to health problems including heart disease, diabetes and cancers. Fast food is convenient and tasty though it is prepared with low nourishing or unhealthy ingredients.

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 Keywords

Adolescents, fast food, health hazard, unhealthy diet.

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This study paper highlights the Socio-Economic and Commercial problems of Bhagalpur City, Bihar which mainly arise from the increasing population growth day by day. As a result many fold problems creep in the city which seek solution.

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Urban Geography, Transportation, Slum Areas, Renewal and Reconstruction

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Sleep disorders is now a general problem which is experienced by many people in their life. Studies have shown that women are more prone to have sleep disorders than men. Hormonal changes are responsible for this in specific phase of life- menses, pregnancy and menopause. Another common factor is weight gain at the time of menopause. Fat around the neck can cause snoring and obstructive sleep apnea because of this women experience interruption in respiration during sleep, uneasy breathing and snoring. In this research study, it is found that insomnia was the highest sleep disorder experienced by menopausal women. It is noteworthy that after 55 years many women experiencing nocturnal awakenings, hot flashes, early awakenings, over sweating at night. Obstructive sleep apnea was also found second highest.

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Sleep disorders, insomnia, obstructive sleep apnea, and menopause.

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

Pariwarik vatavaran

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Pariwarik vatavaran

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 Abstract

Shikhsan Anubhav

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Shikhsan Anubhav

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The paper attempts to understand the Ahmed Raza Khan�s position on the Khilafat movement during the 19th century. The main objective of this paper is to understand the Khilafat movement and its position in the 19th century by various nationalist leaders including Ahmed Raza Khan. The paper argued that Ahmed Raza Khan was not against the Khilafat movement but he was stern critic of the modus � operandi of the Khilafat movement. He expressed his opinion in fatwa that he was not categorically against the Khilafat movement and objectives, but he was against the way Khilafat leaders were handled.

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Khilafat movement, Khilafat leaders, Barelwi ulama, Ahmed Raza Khan

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

iThe imain iobjective iof icurrent ipaper iis ito istudy ithe ibasics iof ichracteristics iof iproduction imanagement iand itheir irelated iarea. iThe ipaper ifocues ion inature i, iscope i, ifunctions iand iobjectives iof iproduction imanagement ialso idiscuss ithe iproject icompexity iand ifactors iaffecting iproject icomplexicity iin idetails

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iProduction iManagement i, i iProject iComplexity, iProject.

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