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Articles by Nasir Mahmood
Total Records ( 2 ) for Nasir Mahmood
  Nasir Mahmood , Nisar Ahmed Jamil and Sh. Shoaib Ahmad
  The purpose of present research was to analyze the effect of draft, sliver hank and delivery speed on the quality of cotton yarn using different auto-leveller system at draw frame. Drawing is considered to be the key process in the whole set-up of yarn formation as all efficiency and quality of subsequent process depends upon the behavior of the sliver formed at drawing stage. In present research it is elaborated that during drawing, three factors are more important i.e. break draft, delivery speed and sliver hank. The best quality of yarn is obtained by controlling these factors. Rieter RSBD-35 is better in performance as compared to Trutzschler HSR-1000 which is efficient and modern autolevelling system with high speed servo drive motor at Rieter draw frame. The overall results show that moderate break draft, D2 (1.3), delivery speed S2 (700 yards/min) and sliver hank H2 (60 grain/yards) produced the better results.
  Muhammad Yaseen , Nisar Ahmad , Abdul Razzaq and Nasir Mahmood
  A laboratory experiment was conducted to study the effect of incubation period on the phosphorus adsorption by the Pindorian, Satghrah, Shandara, Wazirabad, Balkassar, Hafizabad and Missa soil series of Pakistan. Five levels of P (50, 100, 200, 400 and 800 μg P/g of soil) were added to these samples and incubated for 1, 7 and 15 days. Results showed that the amount of adsorbed P increased by increasing the incubation period from 1 to 15 days. The highest adsorption was found after 15 days incubation period and lowest P was adsorbed after incubation period of one day in all the soils and each level of P application.
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