Topics: Diffusion, Innovations Adoption, innovation model, innovation decision process, Opinion leadership, change agents

Topics: Soil Conservation, Water Conservation, erosion, Soil Erosion and Civilization, Geologic Erosion, Sedimentation, Landscape Development, rock types, Sedimentary Landforms, Mass Movement Deposits, Glacial Landscapes, Water Erosion, erosion damage, Vegetation, Soil Properties, Soil Erodibility, pollution, Water-Erosion Control, Wind Erosion, wind erosion process, Windbreaks, Shelterbelts, Wind-Erosion Control, Predicting Soil Loss, Tolerable Soil Loss, Universal Soil Loss Equation, Computer-Based Soil Loss Prediction Models, Wind-Erosion Prediction Equation, Wind Erosion Prediction System, Soil Map Unit Interpretations, soil survey, Land Use Planning, managing land, cropping systems, Managing Monocultures, crop rotations, Multiple Cropping, Evaluating Cropping Systems, strip cropping, tillage, Conservation Tillage, deep tillage, Contour Cultivation, Emergency Wind-Erosion Control, Gully-Control Structures, road ditches, culverts, Earthen Dams, Streambank Protection, flood control, Wind Erosion-Control Structures, Pastureland Management, Rangeland Management, Forestland Management, water cycle, drought, Soil Drainage, wetlands, Irrigation, Irrigation Methods, Land Reclamation, Conservation Irrigation, soil pollution, pollutants, industrial wastes, agricultural wastes, aerosols, polluted soil, Hazardous Sites, Soil Remediation, Water Quality, water Pollution, Water acidification, Farm Service Agency

Topics: Biodiversity, genetic diversity, mutation, variation, Hidden genetic diversity, phenotypic identity, speciation, Extinctions, predation, Holling model, Patch dynamics, Spatial heterogeneity, temporal variability, Northern European terrestrial systems, Paleoenvironments, tropical rainforests, biological diversity, Continental aquatic systems, Overexploitation, Land use, Human onchocerciasis, Malaria, Morbilliviruses, Haemorrhagic fever viruses, antibiotic resistance, pesticide resistance, Genetic resources, biotechnology, Transgenesis, Ornamental plants, ornamental animals, ecotourism, National parks, Marine environments, Ex situ conservation, Botanic gardens, Zoological parks, conservation biology, Restoration ecology, species reintroduction

Topics: Extension Methods, Communication, Individual Teaching Methods, mass media methods, mass media theories, communication models, communication barriers, verbal skills, effective communication, strategic communication

Topics: Rural Development, Leadership, project planning, project analysis, Rural Development Projects, community development, leader training, leader selection, Rural Leadership problems, Poverty Reduction, Integrated Rural Development Model, project cycle, project identification, project appraisal, project implementation

Topics: Structure of Modern English, English Sentence, Sentence Connection, Subject-Verb Agreement, coordination, Punctuation, English Verb, tense, aspect, voice mood, modal auxiliaries, Grammatical Models, Traditional Grammar, Structural Grammar, Transformational Generative Grammar, Systemic Grammar, Government Grammar, Binding Grammar, Parallelism, Dangling Modifiers, Structural Parallelism, Conjuncts, Disjuncts, Style Disjuncts, Attitudinal Disjuncts, Compound Subjects, Collective Nouns, Intervening Phrases, Contractions, Indefinite Pronouns

Topics: Sociolinguistics, languages, dialects, social identity, language change, regional dialects, dialect continua, dialect geography, speech communities, social networks, social identities, Perceptual dialectology, Linguistic landscapes, Diglossia, language attitudes, language ideologies, Language learning, Questioning diglossia, Multilingual Discourse, Multilingual identities, Markedness Model, Lingua Francas, contact languages, Pidgin Languages, Creole Languages, Pidgin Formation, Creole Formation, Morphosyntax, Language Variation, mapping dialects, dialectology, linguistic variable, Social Variation, Social class membership, Social networks, data collection, data analysis, sampling, pragmatics, speech acts, pronouns, discourse analysis, interactional sociolinguistics, contextualization, critical discourse analysis, sexist language, grammatical gender marking, Women's language, Multilingual Education, language policy, language planning

Topics: French Translation, Bilingualism, Written Translation, Oral Translation, oral Interpretation, Interlingual Translation, Intralingual Translation, Intersemiotic Translation, Model Translation, French Vocabulary, Un petit drame, Venir de

Topics: Acoustic Phonetics, Auditory Phonetics, sound sensations, sound propagation, acoustic filters, voicing, speech acoustic theory, voicing quanta, vocal tract filtering, Pendulums, Standing Waves, Vowel Formants, Digital Signal Processing, continuous signals, discrete signals, Analog-to-Digital Conversion, signal analysis methods, Peripheral Auditory System anatomy, loudness auditory sensation, auditory system frequency response, Auditory Representations, speech perception, Auditory Ability Shapes Speech Perception, Phonetic Knowledge Shapes Speech Perception, Linguistic Knowledge Shapes Speech Perception, speech Perceptual Similarity, speech analysis, vowels, vowel production tube models, vowels Perturbation Theory, vowel formants, acoustic vowel space, Cross-linguistic Vowel Perception, fricatives, turbulence, Fricative Auditory Spectra, fricative perception, vocal tract filter functions, affricates, stops, affricate, bandwidth, nasal stops, laterals, Nasalization, Nasal Consonant Perception

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