University of Dhaka

This document provides a detailed and well-organized study guide on Mangrove Fisheries and Management, covering the ecological, biological, environmental, hydrodynamic, and socio-economic aspects of mangrove ecosystems. It is especially focused on the Sundarbans mangrove forest of Bangladesh, the world’s largest mangrove ecosystem, and explains how mangroves support biodiversity, fisheries, coastal protection, and climate regulation. The notes include clear explanations of mangrove ecology,...

The name of my document is 'Biocultural Evolution of Skin Colour'. This is my university's assignment. In here, I described the skin colour's evolution of human step by step. I hope this will be very helpful for you. Thank you.

Bangladesh and India relations are historically deep due to shared culture and India's role in Bangladesh's liberation war in 1971. The bilateral relations between the neighboring countries People's Republic Of Bangladesh and the Republic Of India formally began in 1971 with India's recognition of an independent Bangladesh (Which was formerly known as East Pakistan). But India's military intervention helped Bangladesh secure independence in 1971 from West Pakistan. Bangl...

Description: Master the essentials of AMBU bag operation with this concise, well-structured guide! Perfect for medical students, healthcare professionals, or anyone learning manual ventilation techniques. This note covers: Component anatomy & functions Ventilation cycles (compression & release) Oxygen enrichment & FiO₂ management Valve operations & reservoir mechanics Practical usage tips Clear tables, bullet points, and diagrams make complex concepts simple to understand an...

Aberrations, their types , etc.

Different types of telescopes, their constructions, uses, optical telescopes, aberrations, etc.

Introduction and history of astrophysics and astronomy, the celestial sphere, Retrograde Motion of Wandering Stars, Eudoxus’s Model, Epicyclic Model of Hipparchus, Ptolemaic Model, Heliocentric Models, Successes of the Copernican Model, Copernican configuration, Time Interval Between Successive Opposition or Conjunctions, Relationship between Synodic and Sidereal Periods, Shortcomings of the Copernican Model, celestial coordinate systems, Calculation of Time-advance between Successive Rise of ...

Binary star systems, different types of binary stars, characteristics of a binary system, stellar mass and stellar surface temperature determination, etc.

Kepler's laws, two-body motion, Laplace-Runge-Lenz vector, Virial theorem, etc.

Kepler's law, two-body system, Reduced Mass and the Center of Mass Coordinate System