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Ghoshal, S.
- Effect of Excess Fluoride on Spermatogenesis of Rats with Special Reference to Metaphase
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Authors
Affiliations
1 Department of Physiology, Krishnath College, Berhampore-742101, IN
2 Department of Zoology, Krishnath College, Berhampore, West Bengal, IN
1 Department of Physiology, Krishnath College, Berhampore-742101, IN
2 Department of Zoology, Krishnath College, Berhampore, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 5, No 2 (2008), Pagination: 171-180Abstract
The reproductive toxicity of fluoride was studied in male rats. Male rats were exposed to sodium fluoride at a dose 2 mg NaF/100 g body weight per day for 30 days. A significant decrease in body weight and testicular weight was observed. There were 16.6% reduction in metaphase index, significant decrease in DNA content and reduction in diameter of seminiferous tubules of the testis. Zinc and copper content of testis remains unaltered in treated group compared to control group. Histological studies show fewer luminal spermatozoa in the testicular section of treated group.Keywords
Reproductive Toxicity, Metaphase Index, Fluoride Toxicity, Zinc.- Economics of Air Plasma Cutting-Myth and Reality
Abstract Views :260 |
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Authors
Affiliations
1 ESAB India Ltd, IN
1 ESAB India Ltd, IN
Source
Indian Welding Journal, Vol 25, No 2 (1992), Pagination: 93-95Abstract
Air-plasma cutting is becoming popular and a practical alternative to oxy-cutting for cutting of mild steel in many fabrication industries. The main advantage lies in the fact that air-plasma cutting is much faster than oxy-cutting. It is therefore expected that it will reduce the cutting cost by accomplishing the cutting much faster. This is unfortunately, not necessarily true. This paper analyses the truth behind this and attempts to identify the conditions which will ensure maximum benefit from air-plasma cutting.- Computerised Programming for CNC Profile Cutting
Abstract Views :206 |
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Authors
Affiliations
1 FastCAM® Pty Ltd, AU
1 FastCAM® Pty Ltd, AU