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ThesisItem Open Access A study on effects of uniform magnetic field on flow of cholesteric liquid crystals between two relativaly moving parallel hot plates(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2004-06) Meena Kumari; Sharma, A.K.A study has been conducted on the flow of an incompressible cholesteric liquid crystals with director of unit magnitude between two infinite relatively moving parallel hot plates with the objective: To examine the effects of uniform magnetic field in (x,y,z) directions in the plane of the lower plate which is at rest while the upper plate is motion with a uniform horizontal velocity and the two plates are maintained at different temperature. Differential equations governing the two components of horizontal velocity ( u) and (v) , orientations of directors (θ ) and (Φ) have been formed and solved by using couple stress boundary conditions. In the solution of these equations, we observe that there is no effect of magnetic field on the two velocity components, but they increase with the increase in thermal gradient parameter (E1).The effect of magnetic field on the orientation of molecules (θ) and (Φ) causes variation in their profile.ThesisItem Open Access A study on effects of uniform magnetic field on flow of cholesteric liquid crystals between two relativaly moving parallel hot plates(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2004-06) Meena Kumari; Sharma, A.K.A study has been conducted on the flow of an incompressible cholesteric liquid crystals with director of unit magnitude between two infinite relatively moving parallel hot plates with the objective: To examine the effects of uniform magnetic field in (x,y,z) directions in the plane of the lower plate which is at rest while the upper plate is motion with a uniform horizontal velocity and the two plates are maintained at different temperature. Differential equations governing the two components of horizontal velocity ( u) and (v) , orientations of directors (θ ) and (Φ) have been formed and solved by using couple stress boundary conditions. In the solution of these equations, we observe that there is no effect of magnetic field on the two velocity components, but they increase with the increase in thermal gradient parameter (E1).The effect of magnetic field on the orientation of molecules (θ) and (Φ) causes variation in their profile.ThesisItem Open Access Multi-trait selection indices for improving egg mass in egg type chicken(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2004-06) Santhosh, M.; Bais, R.K.S.The poultry industry is the fastest growing sector among Indian agriculture sectors and today India occupies 4th and 6th place in the world for egg and broiler production, producing 41 billion eggs and 1000 million broilers every year. The impact of such a massive growth of the poultry production has not been felt by masses because of the population explosion. The per capita availability of 40 eggs and 1 kg meat is far behind the ICMR recommendations and the gap can be bridged by developing superior layers following appropriate breeding strategies. In view of the above, the present study was undertaken to construct and evaluate the multi-trait selection indices for improving egg mass in a pure strain (N) of White Leghorn maintained by a commercial poultry heeding organization. The phenotypic and genetic parameters were estimated in the flock under study. The heritability estimates were found to be low for EM40, EP40, EW40 and ASM, whereas the moderate heritability estimates were reported for BW20 and BW40. The egg mass was having a high positive correlation with egg production while egg weight had lower positive association with egg mass. Thus, selection for egg mass seems to be appropriate for improving both egg number and weight. A total of fifty seven multi-trait selection indices were constructed in different combinations incorporating six, five, four, three and two traits as the selection criteria with the selection objective in all the cases being improvement of egg mass only which comprises the aggregate genotype. The multi-trait selection index (IMT1) including all the six traits was found to be the most desirable with the gain in all the individual traits in favourable direction. Based on the estimates of genetic cost of restriction of different traits, the egg mass was found to the have the highest contribution followed by EW40, EP40, BW20, BW40 and ASM. The direct and correlated responses in performance traits from individual selection of pullets were estimated and on comparing with the best index (IMT1), the selection for 20 week body weight was found to be the most desirable with respect to relative accuracy/ efficiency and gain in individual traits particularly the egg number and egg weight for the population under study.ThesisItem Open Access Mathematical modeling of impact evaluation and phytoremediation of pulp and paper industry effluent(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2004-06) Sanjeev Kumar; Dube, K.K.The problem of pollution as a consequence of increased industrialization is, by now, a well-known phenomenon. In case of pollution in water, the problem is more serious. Not only industrial wastes, but also discharge of domestic waste water and sewage can be major pollutant. In present investigation three mathematical models first on the impact of pulp and paper mill effluent on soil microbial biomass, second on the effluent impact on soil microbial activities and third on phytoremediation of pulp and paper mill effluent employing Eichhornia crassipes have been developed. In first and second models the variates taken into consideration decreased exponentially with increase in the distance from the source of pollution, whereas in the third model similar decrease was observed with the increase in duration of phytoremediation. The former two models are valid for only point source pollution impact and not for non-point source pollution where varieties of unknown factors contribute towards ill impact of pollutants. The third model is equally prominent for devising technique to get rid off the ill impact of the industrial effluent. The mathematical model presented here provides a fairly accurate prediction of the ill impact of pollutant present in pulp and paper mill effluent and its remedial measure employing plant like Eichhornia crassipes. These models could be used for predicting the ill impact of other industrial waste water and their removal through phytoremediation technique, as well.ThesisItem Open Access Study on soft computing techniques for forecasting(G.B. Pant University of Agriculture and Technology, Pantnagar (Uttarakhand), 2004) Srivastava, R.K.; Singh, S.R.ThesisItem Open Access On submanifolds and quarter symmetric connections(G.B. Pant University of Agriculture and Technology, Pantnagar (Uttarakhand), 2000) Narendra Kumar; Dube, K.K.ThesisItem Open Access Study On The Growth Properties Of Entire Functions(Govind Ballabh Pant University of Agriculture and Technology;Pantnagar, 2003) Chankanyal, Richa; Vaish, S.K.ThesisItem Open Access Submanifolds And Hypersurfaces Of Hyperbolic Hermitian Manifolds(Govind Ballabh Pant University of Agriculture and Technology;Pantnagar, 2002) Bhatt, Latika; Dube, K.K.ThesisItem Open Access Study Of Some Problems On Submanifolds And Hypersurfaces In Differentiable Manifolds(Govind Ballabh Pant University of Agriculture and Technology;Pantnagar, 2004) Gill, Harsimran; Dube, K.K.