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Articles by M. Jamil
Total Records ( 8 ) for M. Jamil
  M.F.M. Zain , M.R. Karim , M.N. Islam , M.M. Hossain , M. Jamil and H.M.A Al-Mattarneh
  This study describes the development of statistical models to predict strength and slump of silica fume incorporated High-Performance Concrete (HPC). Experimental data of silica fume incorporated HPC mixes were used to develop and validate models. The HPC having compressive strength range of 40-113 MPa and slump range of 180-250 mm were used. Statistical models were developed by regression analysis. The results of prediction by the models showed good agreement with those of experiments and other researchers. The developed models can be used to predict slump and 28 days compressive strength of silica fume incorporated HPC.
  M. Sadiq , G. Hassan , G.A. Chaudhry , N. Hussain , S.M. Mehdi and M. Jamil
  Amelioration of saline-sodic soil [EC=2.8 to 26.5 dSM-1, pH=9.10 to 9.73 and SAR=34.68 to 102.50 (m mol l-1)½] through land preparation methods (Cultivator, Rotavator and Disc plough) and subsequent application of Sulphuric acid (@ 20% of gypsum requirement) during crop growth was evaluated in a field study for two years at Jhottianwala site, Tehsil Pindi Bhattian, District, Hafizabad. It was observed that Disc plough was the most efficient field implement which not only ensured good yields but also enhanced soil improvement. Application of sulphuric acid also proved clearly useful by producing higher yields and promoting rapid soil improvement. The gradual enhancement of rice and wheat yields (grain and straw) and significant decrease in salinity parameters were recorded in this strategy within two years.
  M. Jamil , M. Qasim and M. Umar
  A field experiment was conducted to study the effect of addition of different levels of domestic sewage sludge on the soil properties and yield of wheat crop. Addition of sewage sludge raised soil pH, increased organic matter, ECe, NPK, Ca+Mg and trace metals (Fe, Cu, Mn and Zn) with its increasing levels. Different treatments of sludge also increased the yield and yield attributing components as compared to untreated (control) treatments. Significantly maximum plant height (107 cm), number of tillers (433 m-2) and straw yield (9.82 t ha-1) were obtained where 80 t ha-1 sewage sludge was applied while spike length, number of productive tillers m-2, number of grains spike-1, 1000-grain weight and grain yield were maximum in the treatments amended with 40 t ha-1 of sewage sludge. The study indicates that sludge application at the rate of 40 t ha-1 can enhance economic yield of wheat and also improve soil productivity.
  M.F.M. Zain , Suhad M. Abd , Roszilah Hamid and M. Jamil
  In this study, the potential for utilising properties of concrete as a powerful tool to predict its compressive strength at different ages has been realised. Novel mathematical models were proposed and developed using multiple non-linear regression equations to predict the concrete strength. The variables used in the prediction models, such as the mix proportion elements, were statistically analysed. According to the analysis, the models provided a good estimation of compressive strength and yielded good correlations with the data used in this study. The correlation coefficients were 0.995 for the prediction of 7- and 28-day compressive strength. Moreover, the proposed models proved to be a significant tool in predicting the compressive strength of different concretes despite variations in the data used to validate the model.
  J.A. Ansari and M. Jamil
  Liver is one of the most important organs in the metabolism of food, drugs, endogenous and exogenous substances. Problems related to liver such as acute or chronic inflammation, toxin-/drugs-induced hepatitis, cirrhosis and hepatitis are well-known nowadays due to our exposure to different environmental pollutants like chemicals, toxins, viruses etc. Liver disease can result from dosage-dependent hepatotoxicity or from adverse reactions to drugs used in therapeutic dosage. The anatomical structures of a liver that has undergone partial hepatectomy are therefore distinctly different from those of the original liver. The restoration process of liver volume in humans is initiated by the replication of various types of intra hepatic cells, followed by an increase in cell size. Efforts to develop pharmacologic means for liver protection from damage during regeneration have identified a few molecular targets.
  M. Jamil , Kyeong Bo Lee , Kwang Yong Jung , Deog Bae Lee , Mi Suk Han and Eui Shik Rha
  Salinity induced inhibition in germination and early stages of cabbage (Brassica oleracea capitata L.) [two varieties (autumn cabbage and spring cabbage)] were measured in response to increasing NaCl concentration. The salinity (NaCl) concentrations in solution were 0 (control), 4.7, 9.4 and 14.1 dS m- 1. Different concentrations of salt stress had considerable effect on germination, germination rate (1/t50, where t50 is the time to 50% of germination), root and shoot lengths, root, shoot and plant fresh weight of cabbage. Final germination in cabbage (autumn cabbage and spring cabbage) showed significant inhibition with increasing salt stress up to 14.1 dS m- 1 NaCl. The required time for germination increased with increasing concentration of salt. The seedling growth was strongly inhibited by all salt levels, particularly at 14.1 dS m- 1. Furthermore Root growth was more affected then shoots growth by salt stress. Fresh weights of root, shoot and plant were also severely affected by different salinity treatments. Linear regression revealed a significant negative relationship between salinity and final germination, germination rate, root and shoot lengths and fresh weights of roots, shoots and plants.
  Aman Ullah Chaudhry and M. Jamil
  A field experiment was conducted to determine the optimum level of nitrogen and its effects on maize growth and yield. Five nitrogen levels 0, 62, 124, 186 and 248 kg ha-1 were used with two varieties Composite-17 and Sultan. The results showed that the nitrogen levels influenced significantly the various growth and yield components, like number of leaves per plant, number of days taken to tasseling, silking and maturity, biological yield, stalk yield, grain weight per cob, number of grains per row, per cob and grain yield. Varieties were also significantly affected by different nitrogen levels. The highest grain yield of 6.36 t ha-1 was obtained with 248 kg N ha-1.
  Qudrat Ullah Khan , Rafiq Ahmad , M. Jamil , Obaidullah Sayal , Asif Latif , Abdulaziz Khakwani , Ghazanfarullah Khan , Malik Muhammad Hashim , Muhammad Mamoon-ur-Rashid and Muhammad Parvez
  To investigate the effect of different levels of potassium fertilizer with and without use of Farmyard Manure (FYM) on growth, yield and nutrition of tomato a study was carried out in year 2011 in pots. FYM was kept as main plots with five treatments of potassium (0, 60, 90, 120 and 160 kg K2O/ha) replicated four time. The results indicated that application of FYM and various K levels had significant effect on the growth, yield and nutrient content of tomatoes. The highest yield of tomatoes was (39.05 t/ha) observed in the pots receiving FYM and 41.97 t/ha was found in the treatment receiving K @ 120 kg/ha. The growth parameters including number of flowers per plant, number of fruits per plant and fruit diameter were also found significantly different by the application of FYM and K fertilizer. The mineral nutrition of tomato showed significant effect of FYM and K levels on plant P and K. FYM and K levels also significantly improved soil K content. It may be concluded that the Potassium applied @ 120 kg/ha along with the FYM was effective in improving the tomatoes attributes as well soil K content.
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