Topics: soil science, soil habitat, soil mineral components, soil organisms, soil organic matter, soil structure, soil micromorphology, soil porosity, soil-forming factors, climate, hydrologic cycle, soil temperature, evaporation, cation exchange, Anion adsorption, Clay–organic matter interactions, soil aeration, soil respiration, soil profile, Hydromorphic soils, Salt-affected soils, nutrient cycling, phosphorus, sulphur, potassium, calcium, magnesium, trace elements, soil management, soil acidity, liming, soil erosion, fertilizers, pesticides, nitrogen fertilizers, phosphate fertilizers, plant protection, problem soils, soil drainage, soil information systems, soil survey methods, soil quality

Topics: International Economics, international trade, comparative advantage, opportunity costs, community indifference curves, demand supply, Heckscher–Ohlin Theory, imperfect competition, international trade, economic growth, international trade policy, trade restrictions, tariff, import quotas, international cartels, economic integration, economic development, international resource movements, multinational corporations, balance of payments, foreign exchange, exchange rates, currency swaps, hedging, exchange rate determination, international monetary system, income adjustment mechanism, open-economy macroeconomics, Bretton woods system

Topics: Human Development, Aging, health care, Culture Issues, Race Issues, Ethnicity Issues, Family Issues, Evidence-Based Family Medicine, population health, preventive care, clinical prevention, health promotion, wellness, Pregnancy, Childbirth, Postpartum Care, preconception care, Normal Pregnancy, Labor, Delivery, pregnancy problems, obstetric complications, genetic disorders, newborn, infant, infectious disease, behavioral problems, musculoskeletal problems, elderly, Alzheimer disease, dementias, elder abuse, child abuse, child neglect, intimate partner violence, sexual assault, family stress, counseling, mental illness, anxiety disorders, depressive orders, bipolar disorders, suicidal patient, somatoform disorders, Autism Spectrum Disorders, allergy, Anaphylaxis Reactions, Anaphylactoid Reactions, allergic disorders, Epstein-Barr Virus Infection, Infectious Mononucleosis, Environmental Health, Occupational Health, Injury, Poisoning, Athlete, Nervous System, eye, Ear, Nose, Throat, Cardiovascular System, Respiratory System, Digestive System

Topics: soil properties, soil management, tropical environment, temperature, solar radiation, rainfall, tropical climates, vegetation, physiography, Anthropocene, biodiversity, climate change, demographics, Green Revolutions, Tropical Agroecosystems, land use, land-use change, Pedology, Physics, Chemistry, Biology, Laterite Paradigm, tropical soils, tropical soil research, Soil Taxonomy, soil classification systems, soil physical properties, soil temperature, soil structure, soil compaction, soil water, soil erosion, conservation, conservation agriculture, water, rainfed agriculture, irrigated agriculture, irrigation, mineralogy, clay minerals, mineralogy families, Anion Exchange Capacity, soil acidity capacity, Acid Soil Infertility, Liming, overliming, subsoil acidity, secondary acidity, soil biology, soil biodiversity, comminution, decomposition, nutrient elements transformation, soil structure regulation, organic carbon, carbon pools, carbon fractions, animal manures, composts, biochars, organic farming, soil fertility, nutrient cycling, nutrient uptake, determining fertilizer needs, nitrogen cycle, nitrogen pools, atmospheric deposition, biological nitrogen fixation, mineral fertilizers, organic nitrogen mineralization, soil nitrogen fertilizer reactions, Phosphorus Cycle, Phosphorus, Total Soil Phosphorus, inorganic Phosphorus, Phosphorus sorption, Phosphorus release, plant Phosphorus requirements, Phosphorus fertilization, sulfur cycle, sulfur sorption, Sulphur fertilization, Forest–Soil Nutrient Cycles, land clearing, Mechanized Land Clearing, Crop Yield Declines, Field Abandonment, Secondary Forest Fallows, puddling, flooding, rice cultivation systems, Nutrient Management, Yield Stagnation, Nitrogen Sequestration, Livestock-Based Tropical Systems, tropical pastures, Tropical Livestock Management Systems, pastoralism, Smallholder Mixed Crop–Livestock Systems, Extensive Pasture-Based Beef Production, Pasture Degradation, Crop–Pasture Integration, Tropical Tree-Based Systems, Plantation Forestry, Plantation Forestry Species, Agroforestry, Agroforestry Tree Species, Agroforestry Systems, Simultaneous Agroforestry, Sequential Agroforestry, tree crops

Topics: Photography, digital photography, Photographic Technology, History of Photography, Photographic Lens, Fine Art Photography, visual arts, Photography Programs, Photographic Higher Education, Photographic Workshops, magazine, Advertising, Catalog Photography, Commercial Photography, Food Photography, Illustration Photography, Still-Life Photography, Architectural Photography, Corporate Photography, Dance Photography, Theater Photography, Theatrical Photography, Freelance Photography, Identifi cation Photography, Industrial Photography, Landscape Photography, Digital Photography

Topics: protein, amino acids, Aromatic R Groups, Carboxyl Reactions, Amino Group Reactions, Ninhydrin Reaction, Peptides, Alanylglutamylglycyllysine, protein structure

Topics: Dissociation Constant, Titration Curve, buffers, protein, Carboxyl Group Reactions, Amino Group Reactions, amino acids, Ninhydrin Reaction, peptides, Alanylglutamylglycyllysine, lipids, fatty acid, waxes, Triacylglycerols, Sphingolipids, Glycolipids, sterols

Topics: Biochemical Calculations, acid-base chemistry, aqueous solutions, equilibrium constants, acids, bases, laboratory buffers, amino acids, peptides, blood buffers, carbohydrates, lipids, nucleotides, nucleic acids, biochemical energetics, energy yielding, energy requiring reactions, oxidation-reduction reactions, metabolism, photosynthetic phosphorylation, active transport, enthalpy, entropy, activation energy, enzymes, enzyme kinetics, enzyme inhibition, enzyme assays, multisubstrate enzymes, kinetic mechanisms, multisite enzymes, allosteric enzymes, enzyme turnover, spectrophotometry, fluorometry, optical rotation, isotopes

Topics: Photosynthesis, Photosynthetic membranes, Photosynthetic organelles, Photosynthetic bacteria, Light-dependent reactions, Light-independent reactions, Calvin cycle, Photorespiration, carbon fixation

Topics: Analytical Chemistry, quality assurance, method validation, stoichiometric calculations, volumetric analysis, acid-base equilibria, acid, base, acid-base titrations, gravimetric analysis, precipitation, equilibria, precipitation reactions, titrations, complexometric reactions, titrations, electrochemical cells, electrode potentials, Nernst equation, Potentiometric Electrode, Potentiometry, voltammetry, electrochemical sensors, Ultramicroelectrodes, Microfabricated Electrochemical Sensors, Spectrochemical Methods, electronic spectra, Redox titrations, Potentiometric Titrations, Atomic Spectrometric Methods, Flame Emission Spectrometry, Atomic Absorption Spectrometry, Atomic Emission Spectrometry, gas chromatography, Liquid Chromatography, Electrophoresis, Chromatography, mass spectrometry, clinical chemistry, Environmental Sampling, environmental Analysis