Topics: Materials Science, materials Engineering, Rutherford model, Bohr model, atom, De- Broglie’s atomic model, Atomic bonding, ionic bonding, covalent bonding, Secondary Bonding, metallic bonding, Fluctuating Induced Dipole Bonds, Polar Molecule-Induced Dipole Bonds, Permanent Dipole Bonds, Crystallography, crystal structures, Crystal Lattice, Bravais lattices, Metallic Crystal Structures, Polycrystalline Materials, Non-Crystalline Solids, Miller Indices, Point Defects, Mechanical Properties of Metals, Stress-Strain curve, Elastic deformation, plastic deformation, Tensile Properties, Brinell Hardness Test, Micro-hardness Test, Knoop Hardness Test, Scleroscope Hardness Test, durometer, fracture, creep, dislocation, Solid-Solution Strengthening, Microstructural Exam, Grain size determination, carbon steel, cast iron, alloy, Dielectric Materials, Dielectric strength, Intrinsic dielectric strength, Magnetic Properties, Diamagnetism, Ferromagnetism, Ferrimagnetism, Hard Magnetic Materials, Extrinsic Semiconductor, semiconductor

Topics: Direct Normal stress, stress, strain, Direct shear stress, Screw Threads, Experimental stress analysis, Computational stress analysis, Fundamental of statics, Materials design properties, Properties of steel, Properties of Cast Iron, Properties of Aluminum, Wood, Concrete, Plastics, Composites, Direct stress, Deformation, Computing design stress, Thermal stress, Bearing stress, Design bearing stress, Twisting, Elastic Torsional Deformation, Torsion, Beam loading, Beams supports, Beam types, Supports reactions, Centroids, Complex shapes centroid, Radius of Gyration, section modulus, Flexure formula, General shear formula, Special shear formulas, Shear flow, Beams deflection, combined stress, Columns, Slenderness Ratio, Buckling formula, Pressure vessels, Bolted connections design, Rivet joints, Eccentrically loaded riveted joints, Eccentrically loaded Bolted joints

Topics: Atomic Structure, Electronic Configuration, Crystal Geometry, Crystal Structure, Crystal Defects, bond, electron theory, Photoelectric Effect, diffusion, mechanical test, alloy, phase diagram, phase transformation, heat treatment, deformation, oxidation, corrosion, thermal properties, optical properties, electrical properties, magnetic properties, semiconductors, superconductivity, polymers, elastomers, organic materials, composites, nanostructure, spintronics, crystal, whiskers, unit cell, Co-ordination Number, crystal Imperfections, Anisotropy, Frank-Read Source, Crystal Growth, bond, Drude-Lorentz Theory, Metallic Bonding, . Fermi-Dirac, Sommerfield Free-Electron Theory, Brillouin Zones, Energy Bands, Resistivity, Conductivity, Thermoelectricity, Einstein’s Photoelectric Equation, Photoelectric Cell, Fick’s Laws, Surface Diffusion, Atomic Model, Mechanical Tests, Hume-Rothery’s Rules, Lever Rule, Annealing, Mass Effect, Pyrometers, Elastic Deformation, Plastic Deformation, Twinning, Work Hardening, Strain Hardening, Season Cracking

Topics: Food Sanitation, production agriculture, food processing, food manufacturing, food retailing, food service, foodborne disease, Aeromonas hydrophila Foodborne Illness, Bacillus cereus Foodborne Illness, Botulism, Campylobacteriosis, Clostridium perfringens Foodborne Illness, Listeriosis, Salmonellosis, Shigellosis, Staphylococcal Foodborne Illness, Trichinosis, Microbial Destruction, Pulsed Light, microbial growth control, Microbial Load Determination, Aerobic Plate Count Technique, Enzyme-Linked Immunoassay Tests, Fraser Enrichment Broth, Immunomagnetic Separation, Flow Cytometry, Microbial Surveillance, Allergen, food contamination sources, personal hygiene, Sanitary Food Handling, cleaning compounds, Cleaning Auxiliaries, sanitizers, Sanitation Equipment, Waste Product Handling, pest control, Liquid Waste Disposal, Low-Moisture Food Manufacturing, Storage Sanitation, Dairy Processing Plant Sanitation, Meat Plant Sanitation, Poultry Plant Sanitation, Seafood Sanitation, Aquaculture Plant Sanitation, Fruit, Vegetable Processing Plant Sanitation, Beverage Plant Sanitation, Foodservice Sanitation

Topics: Chemistry Calculations, Masses and Formulae, Relative Atomic and Molecular Masses, Mass Percentage Composition, Valency, Chemical Formula, Empirical and Molecular Formulae, Reduced Mass, Chemical Reaction, Stoichiometry, Mole, Chemical Equations, Reaction Stoichiometry, Chemical Laws, Redox Reactions, IUPAC Nomenclature, Oxidation Number, Redox Equations, IUPAC Nomenclature of Inorganic Substances, Atomic Structure, Chemical Bonding, Dalton’s Atomic Theory, Wave-Particle Duality of Matter, Uncertainty Principle, Ionization Energy, Ionic Bond, Lattice Energy, Covalent Bond, Heat of Reaction, Dipole Moment, Formal Charge, The Gaseous State, Gas Pressure, Gas Laws, Critical Constants of Gases and Equations of State for Real Gases, Reduced State Properties, Gas Density, Gas Stoichiometry, Molar Volume of Gases, Relative Vapour Density, Gas diffusion, Mole Fraction, Kinetic Theory of Gases, The Solid and Liquid States, Vapour Pressure, Change of State, Density of Solids, X-Ray Crystallography, Determination of Viscosity of Liquids from Stokes’ Law, Surface Tension, Properties of Solutions, Concentration, Molality, Solubility, Solubility Product, Colligative Properties of Solutions, Conductance of Solutions, Quantitative Analysis, Volumetric Analysis, Gravimetric Analysis, Thermodynamics, Calorimetry, Heat (Enthalpy Change) of Physical Change, Heat (Enthalpy Change) of Reaction, Heat Capacities of Gases, Thermodynamics of Solutions, The First Law of Thermodynamics, The Second Law of Thermodynamics, Efficiency, Electrochemistry, Electrochemical Cells, Electrolysis, Chemical Equilibria, Le Chatelier’s Principle, Position of Equilibrium, Equilibrium Constant, Reaction Quotient, Acid-Base Equilibria, Acid Ionization Constants, Base Ionization Constants, Water Autoionization Constant, Hydrogen Ion Concentration, Buffer Solutions, Salts, Chemical Kinetics, Rates of Reactions, Rate Law, Nuclear Chemistry, Radioactivity, Nuclear Reactions

Topics: chemical equilibria, acid, base, weak acid, polyprotic acid, polyprotic base, aqueous equilibria, buffer, titrations, electrochemistry, redox reaction, galvanic cells, electrolytic cells, chemical kinetics, reaction rates, reaction mechanisms, catalysis, periodic trends, hydrogen, alkali metals, alkaline earth metals, boron family, carbon family, nitrogen family, oxygen family, halogens, noble gases, nuclear radiation, nuclear energy, d-Block elements, coordination compounds, organic chemistry, hydrocarbons, aliphatic hydrocarbons, aromatic hydrocarbons, polymers, biological compounds, nuclear chemistry, nuclear decay

Topics: atomic shells, orbital shapes, sub orbitals, spin quantum number, atom electronic configuration, Alkali metals, Alkaline earth metals, carbon group, catenation, metallic character, electronegativity, hybridization, inorganic stereochemistry, metal elements, Down's process

Topics: chemical combination laws, Dalton's atomic theory, atomic masses, molecular mass, empirical formula, molecular formula, chemical reactions, stoichiometry, atomic number, isotopes, isobars, Heisenberg uncertainty principle, quantum numbers, Pauli exclusion, Hund's rules, atom electronic configuration, ionic radii, ionization enthalpy, electron gain enthalpy, electronegativity, valence, valence electrons, chemical bonding, molecular structure, ionic bond, covalent bond, Lewis structure, valence bond theory, VSEPR theory, Boyle's law, Charles's law, Gay Lussac's law, Avogadro's law, thermodynamics, equilibrium, Redox reaction, hydrogen, Alkali earth metals, alkaline earth metals, organic chemistry, hydrocarbons, alkanes, alkenes, alkynes, aromatic hydrocarbons, Benzene, aromacity, environmental chemistry, solid state, solutions, electrochemistry, chemical kinetics, surface chemistry, coordination compounds, Haloalkanes, alcohols, phenols, ethers, Aldehydes, ketones, carboxylic acids, amines, cyanides, Diazonium, salts, biomolecules, carbohydrates, proteins, hormones, vitamins, nucleic acids, DNA, RNA, polymers

Topics: engineering materials, mechanical properties, Metals, alloys, Glass, ceramics, Organic polymeric materials, Composite materials, Crystal structure, Microstructure, tensile test, bend testing, Hardness testing, Fracture toughness testing, Glass ceramics, Cement, concrete, Bulk metallic glasses, Cellular solids

Topics: elements, compounds, atomic theory, chemical reaction, atom constituents, chemical symbols, chemical formulae, chemical reactions, chemical equations, electronic configuration, atomic number, mass numbers, nuclear atom, electronic, energy levels, Ion formations, nuclear reactions, radioactivity, nuclear radiations, nuclear fusion, nuclear fission, radioactivity hazards, chemical bonding, electrovalent bonding, Ionic bonding, electrovalent compounds, covalent bonding, covalent compounds, coordinate covalent bonding, dative covalent bonding, metallic bonding, intermolecular bonding, Van der Waal's forces, dipole-dipole attractions, hydrogen bonding, periodic table, periodic law, transition elements, atomic orbital model, principal quantum number, subsidiary quantum number, azimuthal quantum number, magnetic quantum number, spin quantum number, atomic orbital shape, atomic size, ionic radius, ionization energy, electron affinity, electronegativity, mole concept, melting, vaporization, boiling point, evaporation sublimation, heating graphs, cooling graphs, Boyle's law, Charles's law, Avogadro's law, boiling, solid classification, solid properties, molecular solid, metallic solid, Ionic solid, covalent solid, energy changes, heat content, heat of reaction, exothermic reactions, energy level diagrams, standard state, thermochemical equations, entropy, entropy change, free energy, chemical kinetic, rate of a chemical reaction, temperature, gas pressure, catalyst, activation, reaction rate, collision theory, Le Chatelier's principle, Haber process, contact process, salt hydrolysis, buffer solutions, common Ion effect, solubility product, Acid bases, salt, electrolysis, redox reactions, electrolytic conduction, oxidation, reduction, copper purification, electroplating, quantitative hydrolysis, metal corrosion, iron rusting, carbon, carbon allotropes, Diamond graphite, amorphous carbon, combustion reactions, industrial gas chemistry, metals, alloys, chemical industry, heavy chemicals, fine chemicals, fertilizers, plastics, soaps, detergents, pharmaceuticals, Nigerian chemical industry, aromatic compounds, Alicyclic compound, heterocyclic compound, homologous series, functional groups, isomerism, structural isomerism, geometric isomerism, IUPAC Nomenclature of organic compounds, purification methods, distillation, crystallization, chromatography, empirical formula, molecular formular, alkanes, natural gas, petroleum crude oil, benzene, fractional distillation petrol quality, cracking, isomerization, petrochemicals, alkanols, alkanoic acid, alkenoate, fat, oils, amino acid, polymer chemistry, polymerization processes, condensation polymerization, resins, natural polymers, carbohydrates, proteins, synthetic polymers, water pollution