Topics: Aquatic Biodiversity, Aquatic Biodiversity threat aquatic ecosystem, endemic species, habitat loss, Aquatic Pollution, climatic change, Aquatic Biodiversity Monitoring, Aquatic Biodiversity assessment, Total Aquatic Biodiversity-value Index, Aquatic Biodiversity Conservation, Aquatic Biodiversity Management, Vulnerable Trans-Boundary Aquatic System, National Biodiversity Action Plan, Fresh Water Ecosystem, lake, pond, Lotic Streams, Estuarine Ecosystem, metallic pollution, Pesticidal Pollution, Industrial Pollution

Topics: scientific method, hypothesis, chemical industries, matter, atom, molecule, ion, neutral atom, atomicity, Dalton‘s atomic theory, atomic structure, atomic number, mass number, isotopy, valency, binary compounds, chemical combination, periodic table, electronic configuration, noble gases, Relative atomic mass, Relative molecular mass, chemical bonding, Electrovalent bonding, covalent bonding, Co-ordinate covalent bonding, Metallic bonding, hydrogen bonding, Vander Waal forces, Gas Laws, Boyle‘s law, Charles law, Avogadro's law, Separation Techniques, filtration, decantation, acid, bases, salts, alkali, water, carbon, diamond graphite, Chemical Reactions, Reactants, decomposition reaction, Acid-Base Reaction, Volumetric analysis, reagents, water, air, oxygen, halogen, nitrogen, Sulphur, Oxidation Reduction Reaction, redox reaction, oxidizing agent, reducing agent, ionic theory, Electrovalent Compounds, Covalent Compounds, Electrolysis, Electrochemical cells, organic chemistry, isomerism, alkanols, Quantitative Analysis, Qualitative Analysis, Acid-base titration, Redox titrations, Petroleum, metals, fats, oil, starch, Giant Molecules, sugar, protein, nuclear chemistry, Nuclear Reactions

Topics: strength Of Materials, Simple stress, simple strain, Elastic materials, Hooke's law, Modulus of elasticity, Young's modulus, Brittle materials, Poisson's ratio, Shear stress, Modulus of rigidity, Double shear, Temperature stresses, Compound bar, Cantilever beams, Simple beams, Shear force, bending moment, Shear force diagram, bending moment diagram, Torsion, Crystalline structure, Metals crystalline structure, Atomic bonding, crystal structure, Body-centered cubic structure, Face-centered cubic structure, Hexagonal close-packed structure, grain structure, grain boundary, polymorphism, Slope of beams, deflection of beams, Fatigue, creep, Fracture, Creep test, Fracture mechanics, Linear fracture mechanics, Griffith's fracture criterion

Topics: temperature, temperature units, atomic mass, molar mass, molecular mass, relative atomic mass, emperical formula, chemical formula, limiting reactant, chemical reactions, gas, gas volume, pressure, standard atmospheric pressure, pressure measurement, gas law, Boyle's law, Charles's law, Gay-lussac law, combined gas law, ideal gas, ideal gas law, kinetic theory, avogardo hypothesis, molar volume, gas volume, gas stoichiometry, thermochemistry, heat, heat capacity, calorimetry, energy, enthalphy, thermochemical reactions, atomic structure, particle, waves, Pauli principle, Periodic law, Aufbau principle, Electron configuration, Atomic radii, ionization energy, electron affinity, chemical bonding, molecular structure, ionic compounds, covalence, valence-bond representation, molecular-orbital representation, π BONDING, MULTICENTER π BONDS, coordination compounds, isomerism, solid, liquid, crystals, crystal forces, Ionic Radii, oxidation-reduction, oxidation number, oxidizing agents, reducing agents, ionic notation, balancing equations, concentration, concentration scales, concentration units, dilution, volumetric standard solutions, vapor pressure lowering, freezing-point lowering, boiling-point lowering, Boiling-point elevation, osmotic pressure, Law of distribution, isomerism, functional groups, organic chemistry, biochemistry, thermodynamics, chemical equilibrium, Equilibrium constant, Le Chatelier's principle, acid, base, hydrolysis, buffer solution, indicators, weak polyprotic acids, tittration, complex ions, coordination complexes, electrochemistry, solubility product, electrical units, electrolysis, voltaic cells, standard half-cell potentials, free energy, Nonstandard potentials, rate of reactions, rate constant, energy of activation, Nuclear process, Binding energy, nuclear equations, radiochemistry

Topics: motion, physics, friction, work, energy, power, efficiency, heat energy, temperature, kinetic molecular theory, electric charges, gravitational field, magnetic field, magnetism, magnet, electric field, elasticity, elastic material, Hooke's law, tensile stress, tensile strain, crystal structure, crystallization, fluids, capillarity, viscosity, scalar, vector, projectiles, Archimedes principle, simple harmonic motion, linear momentum, impulse, inertia, collisions, mechanical energy, machines, potential energy, pully system, inclined plane, Gas laws, Waves, light waves, optical instruments, sound waves, atmospheric pressure, Pascal's principle, electromagnetic waves, current electricity, magnetization, simple alternating current, radioactivity, nuclear reactions, energy quantization, wave particle paradox, electronics, rocket, satellites, physics practical

Topics: Organic Chemistry, periodic table, bonding, Lewis structures, isomers, octet rule, hybridization, ethane, ethylene, acetylene, bond length, bond strength, Electronegativity, Bond Polarity, oxybenzone, Brønsted–Lowry Acids, Brønsted–Lowry Bases, acid strength, Aspirin, organic molecules, functional groups, intermolecular forces, alkanes, cycloalkanes, Substituted Cycloalkanes, lipids, Stereochemistry, starch, cellulose, glass chemistry, chiral molecules, achiral molecules, Disastereomers, meso compounds, Disubstituted Cycloalkanes, isomers, Enantiomers, organic reactions, bond breaking, bond making, Bond Dissociation Energy, thermodynamics, Enthalpy, Entropy, energy diagrams, kinetics, catalysts, enzymes, Alkyl Halides, Nucleophilic Substitution, Polar Carbon–Halogen Bond, nucleophile, Carbocation Stability, Hammond postulate, Biological Nucleophilic Substitution, Vinyl Halides, Aryl Halides, Organic Synthesis, elimination reactions, Alcohols, Ethers, Carbocation Rearrangements, Tosylate, Thials, sulfides, Alkenes, Addition Reactions, Hydrohalogenation, Lipids, Markovnikov's Rule, Halohydrin Formation, Epoxidation, alkenes, mass spectrometry, infrared spectroscopy, electromagnetic radiations, Nuclear Magnetic Resonance Spectroscopy, Magnetic Resonance Imaging, radical reactions, Conjugated Dienes, Electron Delocalization, Diels–Alder Reaction, Benzene, Aromatic Compounds, Benzene's Unusual Stability, Buckminsterfullerene, Electrophilic Aromatic Substitution, Friedel–Crafts Alkylation, Friedel–Crafts Acylation, Nucleophilic Aromatic Substitution, Carbonyl Chemistry, Organometallic Reagents, Aldehydes, Keton, Nucleophilic Addition, Carboxylic Acids, Nitriles, Aspirin, Arachidonic Acid, Prostaglandins, enols

Topics: Monosaccharides, Disaccharides, Oligosaccharides, Polysaccharides, STEREOISOMERS, PROTEOGLYCANS, GLYCOPROTEINS, MUCOPLYSACCHARIDOSIS, DERMATAN SULPHATE, KERATAN SULPHATE, CHONDROITIN SULPHATE, HEPARIN, HYALURONIC ACID, MUCOPOLYSACCHARIDES, HETEROPOLYSACCHARIDES, Agar, chitin, insulin, GLYCOGEN STRUCTURE, cellulose, glycogen, amylase, starch, AMYLOPECTIN, amylose, HOMOPOLYSACCHARIDES, TREHALOSE, maltose, lactose, invert sugar, sucrose, DISACCHARIDES, DEOXY SUGARS, AMINO SUGARS, GLYCOSIDES, GLYCOSIDIC LINKAGE, GLYCOSIDE FORMATION, ester, OSAZONE CRYSTALS, OSAZONE FORMATION, FEHLING’S TEST, BARFOED’S TEST, BENEDICT’S TEST, ENEDIOL FORMATION, MUTAROTATION, ANOMERISM, EPIMERISM, glucose, fructose

Topics: Physics, Atomic structure, bonding, crystal structure, phase diagrams, alloying system

Topics: Semiconductor, solids, crystal structure, lattice dynamics, semiconductor statistics, Energy Band Theory, Bloch–Floquet Theorem, Kronig–Penney Model, Band-to-Band Radiative Recombination, Band-to-Band Auger Recombination, Charge-Neutrality Equation, Haynes–Shockley Experiment, Photoconductivity Decay Experiment, Impurity Scattering, Phonon Scattering, p-n Junction Diodes, photoelectric effects, solar cells, photodetectors, light-emitting devices, Bipolar Junction Transistors, Metal-Oxide-Semiconductor Field-Effect Transistors, Metal–Semiconductor Field-Effect Transistors, High Electron Mobility Transistors, Hot-Electron Transistors, Resonant Tunneling Devices, Transferred-Electron Devices, Advanced Bipolar Junction Transistors, Heterojunction Bipolar Transistors, thyristors, Zener Breakdowns, Avalanche Breakdowns, tunnel diodes, Thermionic Emission Theory, Metal Work Function, Schottky Effect, ideal Schottky contact

Topics: Transmission Electron Microscopy Diffraction, Imaging, Spectrometry, electron sources, field emission sources, photo-emission sources, direct-detection camera, ultrafast electron microscopy, temperature, electron diffraction, Spinodal alloys, phase identification, Ferritic steels, Convergent-Beam Electron Diffraction, Electron Crystallography, Charge-Density Mapping, Nano diffraction, digital micrograph, digital image processing, electron waves, interference waves, wave propagation, image wave formation, electron wave function, electron inference, Electron Holography, Focal-Series Reconstruction, image interpretation, image formation, electron tomography, density functional theory, X-ray excitation, EELS imaging