Topics: super critical fluid extraction, partition coefficient, soxhlet extraction, chromatography

Topics: cations

Topics: hydrocarbon, alkane, alkene, alkyne, principal chain, ether, thioether, alcohol, acid, salt of acid, acid anhydride, ester, ester, acid halide, amide, nitrile, aldehyde, ketone, amine, ammonium salt, aromatic compound, aromatic hydrocarbon, carboxylic acid, phenol, thiophenol, sulfonic acid, aromatic amine, diazonium salt, alkyl halide, grignard reagent

Topics: Alkylation of Enolates, Alkylation of Carbon Nucleophiles, Reactions of Carbon Nucleophiles with Carbonyl Compounds, functional group interconversion, Electrophilic Additions, Electrophilic Cyclization, Reduction of Carbon-Carbon Multiple Bonds, Concerted Cycloadditions, Unimolecular Rearrangements, Thermal Eliminations, Organometallic Compounds, Carbon-Carbon Bond-Forming Reactions, Organoboron Compounds, Organosilicon Compounds, Organotin Compounds, Aromatic Substitution Reactions, Oxidations, Multistep Syntheses

Topics: Molecular Orbital Theory, Molecular Orbital Methods, Electron Density Functionals, Electron Density Distribution, Stereochemistry, Conformation, stereoselectivity, Molecular Mechanics, Structural Effects on Stability, Structural Effects on Reactivity, chemical kinetics, Kinetic Isotope Effects, catalysis, Nucleophilic Substitution, polar addition, elimination reactions, carbanions, carbon nucleophiles, carbonyl compounds, aromaticity, annulenes, homoaromacity, aromatic substitution, Concerted Pericyclic Reactions, Concerted Pericyclic Reactions, Photochemistry

Topics: reaction, bonding, ionic bond, covalent bond, sigma bond, pi bond, isomerism, chain isomerism, position isomerism, functional group isomerism, stereoisomerism, geometrical isomerism

Topics: Chemistry, matter, atomic structure, periodicity, chemical bonding, descriptive chemistry, stochiometry, kinetic theory, energetics, chemical kinetics, chemical equilibrium, acid, base, salt, electrochemistry, nuclear chemistry, organic chemistry, IUPAC Nomenclature, hydrocarbons, organic families, organic giant molecules, industrial chemistry, environmental chemistry, experimental chemistry, Lamlad

Topics: soil resources, soil composition, soil properties, soil classification systems, Earth Natural Resources, land use, land cover change, Microorganisms interaction, organic materials interaction, inorganic materials interaction, Fertiliser effects, Pesticides effects, herbicides effect, Environmental Impact Assessment, Environmental Impact Assessment Processes, acid rain, Acid rain effects, Soil Organic Matter, Soil Living Organisms

Topics: introduced species, Ex-situ conservation, in-situ conservation, wildlife conservation, terrace farming

Topics: Agriculture, Agricultural Development, Land Use System, Farming, Agricultural Systems, Agricultural Extension Service, Agricultural Extension, Agricultural Production, Food Crops, soil, Vegetable Crops, Root Crops