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Browsing Faculty of Science by Issue Date

Browsing Faculty of Science by Issue Date

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  • Analytical Invcstlgations in Tubulent and IVIlID Tttdmlent Flow 
    Rahman, Md. Lutfor (198)
    The thesis entitled "Analytical Investigations in Turbulent and MHD Turbulent Flow" is being presented for the award of the degree of Doctor of Philosophy in Mathematics. It is the outcome of my research conducted in the ...
  • The Formation Constant of Dimer of Acetic Acid in Different Solvents. 
    Islam, M. Saidul (University of Rajshahi, 1980)
    Much of science of chemistry le concerned wt th making and breaking of chemical bonds. Pauling1 bu defined chemical bond as follows: "There is a chGlllical bond between two atoms or groups ot atom in case that the forces ...
  • A Study of Bonding and other Related Properties of Some Rutile type Oxide Crystals. 
    ISLAM, MD. KHADEMUL (University of Rajshahi, 1989)
    A theoretical analysis of the interionic potential in four rutile-type oxide crystals has been made within the framework of ionic model using eight repulsive interactions including one proposed in this work. The sui tabi ...
  • Model Potential Studies of Perfect and Defect Properties of Some Alkali Metal Hydride and Deuteride Crystals 
    Haque, Md. Enamul (University of Rajshahi, 1990)
    The work in this thesis describes an investigation of the static, dynamic, and defect properties of hydride and deuterides of lighter lithium in addition to a heavier sodium alkali metal. A combination of various theoretical ...
  • Statistical Analysis of the Average Life of Electric Bulbs: A Comparative Study 
    Islam, Md. Aminul (University of Rajshahi, 1991)
    This thesis -- 'Statistical Analysis of the Average Life of Electric Bulbs: A comparative study' consists of six chapters of which chapter four and five are contributory, chapter six on the summary conclusion of the thesis. ...
  • A Study of Nuclear Level Structure Using (3He, d) and (3He, p) Reactions 
    Basher, Md. Abul (University of Rajshahi, 1992)
    A nuclear reaction is a process in which a change in the composition or energy or both of a target nucleus is brought about by the bombardment with a projectile or gamma-ray. Generally, two types of information can be ...
  • A Study of Nuclear Level Structure Using ( 3he,D) and ( 3he,P) Reactions 
    Basher, Md. Abul (University of Rajshahi, 1992)
    The present work describes the experimental work performed by the author in candidature for the degree of Doctor of Philosophy. The work was undertaken at the Physics Laboratory, Rajshahi University, during the period ...
  • Quantum Gravity in Curved Space-Time of General Relativity 
    Mondal, Asit Kumar (University of Rajshahi, 1993)
    The main contents of this thesis may be briefly summarized as follows: Chapter 1 contains a brief account of the Plebonski space­time . We specify there the various spacial class of spacetimes covered by the Plebanski ...
  • Peroxo Complexes and their Oxygen Transfer Reactions 
    Khan, Mr. Abdur Rahim (University of Rajshahi, 1993)
    The chemistry of the peroxo complexes of various transition metals has received considerable attention in recent· years mainly because they are sources of active oxygen atoms and can be used as stoichiometric as well as ...
  • Peroxo Complexes and Their Oxygen Transfer Reactions 
    Khan, Mr. Abdur Rahim (1993)
    The chemistry of the peroxo complexes of various transition metals has received considerable attention in recent· years mainly because they are sources of active oxygen atoms and can be used as stoichiometric as well ...
  • A Study on Distributive Nearlattices 
    Rahman, Md.Bazlar (University of Rajshahi, 1994)
    This thesis studies the nature of distributive nearlattices. By a nearlattice S we will always mean a (lower) semilattice which· has the property that any two elements possessing a common upper bound,have a supremum, Cornish ...
  • N-Ideals of a Lattice 
    Latif, Md. Abdul (University of Rajshahi, 1994)
    This thesis studies the nature of n-ideals of a lattice. The topic arose out of a study on the kernels, around a particular element n, of a skeletal congruence on a distributive lattice. The idea of n-ideals in a lattice ...
  • Geophysical Studies of Time Variation of the Depth of Aquifer and its Thickness in Parts of Barend Tract, North West of Bangladesh 
    Khaleque, Mohammad Abdul (University of Rajshahi, 1994)
    Groundwater is the supreme source of natural water supply, and the most widely distributed renewable earth. Its role in modern development has increasingly been recognized. A shortage of groundwater, in areas of overdraft, ...
  • A Study of The Electrical And Optical Properties of Zno Thin Films Spray Pyrol Ysed From Zn(C2H302)2 2H20 
    Ambia, Md. Ghulam (University of Rajshahi, 1994)
    Investigations have been carried out on spray pyrolysed undoped and indium doped ZnO thin films for the thickness range 700-4000 A. The undoped ZnO thin films were found to be nonstoichiometric but homogeneous and ...
  • Asymptotic Methods for some third order Nonlinear Differential Equations 
    Alam, Md. Shamsul (University of Rajshahi, 1995)
    In this thesis, we investigate the oscillations of third order nonlinear systems by the asymptotic method. The asymptotic method of Krylov-Bogoliubov-Mitropolskii (KBM) is a popular technigue for obtaining analytic solution ...
  • Study of Physical Properties and Modelling of Sio and V205 Sandwich Devices 
    Sarkar, Md. Jamshed Ali (University of Rajshahi, 1996)
    Electrical measurements have been carried out in Al-SiO-Al unformed and Al-SiO-Cu pre-formed devices having insulator thicknesses in the range 50 nm - 600 nm at ambient and different temperatures and under modest vacuum ...
  • Cosmic String in theory of General Relativity 
    Biswas, Md.Elias Uddin (1997)
    This thesis is organized as follows. Chapter I contains a brief discussion of the production of various topological defects in cosmological phase transitions in the early universe. The three kinds of topological defects ...
  • Study of groundwater conditions in the western part of grenter Rajshahi distric 
    Haque, Md. Nozibul (University of Rajshahi, 1997)
    With the phenomenal increase in the use of groundwater in recent years, nee9 for helter understanding of the functioning of groundwater reservoirs in response to natural and man-made conditions in the system has come to ...
  • Sectionally Pseudocomplemented Distributive Nearlattices 
    Islam, A. K. M. Sirajul (University of Rajshahi, 1998)
    This thesis studies the nature of a sectionally pseudocomplemented distributive nearlattice. By a nearlattice S we will always mean a meet semilattice together with the property th9.t any two elements possessing a common ...
  • A Study on Finitely Generated N-Ideals of a Lattice 
    Ali, Md. Ayub (University of Rajshahi, 1998)
    This thesis studies extensively the finitely generated n-ideals of a lattice. The idea of n-ideals in a lattice was first introduced by Cornish and Noor in studying the kernels around a particular element n, of a skeletal ...

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