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: vegetation, tropical forests, climate, soils, floristic diversity, floral biology, flower development, pollination, fruit, seed production, microclimate, seeding patterns, forest productivity, tropical savannas, arid regions, Mediterranean ecosystems, temperate forest ecosystems, temperate grasslands, coniferous forests, terrestrial wetlands, freshwater ecosystems, coastal ecosystems, coral reefs, coastal vegetation

Topics: Building Materials Principal Properties, Structural Clay Products, Brick's Classification, Brick's Testing, Clay Tiles, Terracotta, Porcelain, stoneware, Earthenware, Glazing, Rocks, Stones, Rock-forming minerals, Rock's Classification, Stone Durability, Stones Application, Stone seasoning, wood, wood Products, Trees Classification, Trees growth, Timber Preservation, Timber testing, Timber Structure, Timber's Fire Resistance, Properties of wood, wood products, wood-products applications, Material for making concrete, Cements, Portland cement, Raw materials chemical composition, Cement Hydration, Rate of Hydration, Hydration water requirement, Cements manufacturing, Cements testing, Cement Types, Cements storage, Aggregates, Aggregates classification, Aggregates characteristics, Deleterious Materials, Organic Impurities, Soundness, Aggregates Thermal Properties, Fine Aggregates, Coarse Aggregates, Cinder Aggregates, Mixing water Quality, Effect of mixing water from different source, Water for washing aggregates, Curing water, Lime, Limestone's Impurities, Limestone's Storage, Lime Vs Cement, Pozzolanas, Concrete, water-cement ratio, workability, Maturity, Defects, Re-vibration, Rheology, Non-destructive testing, Admixture for concrete, Concrete Mix design, Building Mortars, Ferrous Metals, Non-Ferrous Metals, Ceramic Materials, Polymeric Materials, Paints, Enamels, Varnishes, Tar, Bitumen, Asphalt, Gypsum, Special Cements, Cement Concretes, Adhesives, Water proofing materials, Fiber, Geosynthetics, Composite Materials, Smart materials, Asbestos, Thermoc0ol, Heat Insulating Materials, Sound Insulating Materials.

Topics: Logic, philosophy, argument, deduction, induction, deductive argument forms, truth, validity, sentential logic, atomic sentences, compound sentences, truth tables, Logical Form, Tautologies, Contradictions, Contingent Sentences, Logical Equivalences, Argument forms, Disjunctive Syllogism, Hypothetical Syllogism, Simplification, Conjunction, Constructive Dilemma, proofs, Sentential Logic Truth Trees, Sentential Logic Truth Tree Method, predicate logic, Predicate Logic Symbolization, Predicate Logic Semantics, Proving Invalidity, Predicate Logic Proofs, Relational Predicate Logic, Predicate Logic Truth Trees, modal logic, Modal Logic Semantics, Syllogistic Logic

Topics: Computer Algorithms, pseudocode conventions, recursive algorithms, performance analysis, randomized algorithms, primality testing, elementary data structures, binary search trees, cost amortization, prority queues, sets, graphs, graph representation, merge sort, quick sort, Strassen's matrix multiplication, convex hull, greedy method, knapsack problem, tree vertex splitting, prim's algorithm, dynamic programming, reliability design, backtracking, graph coloring, least cost search, algebraic problems, fast Fourier transform, lower bound theory, comparison trees, ordered searching, Cook's theorem, approximation algorithms, absolute algorithms, polynomial time approximation schemes, mesh algorithms, packet routing, hyper algorithms, PPR routing

Topics: biological diversity, ecosystem, Nigerian Ecosystem, Biodiversity, genetic erosion, Plant Biotechnology, Forest Biotechnology, forest Conservation, Germplasm Appropriation, Germplasm Conservations, Bio-resource Management, Biotechnological Legislation

Topics: Pasture, pasture establishment, pasture utilization, forage yield determination, forage conservation, pasture nutritive value, grass morphology, legumes, shrubs, Nigerian vegetation zone, rainforest, guinea savanna, Sudan Savanna, Mangrove zone, plant introduction, Soil fertility, Seedbed Preparation, conventional tillage, no-till seedbed, seeding rate, weed control, forest grazing

Topics: Engineering Economic Analysis, economic decisions making, estimating engineering costs, interest, present worth analysis, annual cash flow analysis, rate of return analysis, depreciation, income tax, economic life, replacement analysis, inflation, price change, accounting, engineering economy, Decision-Making Process, costs, estimating models, cash flow diagrams, time value of money, equivalence, arithmetic gradient, annuity due, incremental analysis, future worth analysis, breakeven analysis, probability, Joint Probability Distributions, Economic Decision Trees, risk, Investment Tax Credit

Topics: Operations Research, Mathematical Programming, Linear Programming, Transportation Model, Assignment Model, Project Management, Decision Analysis, Decision Situation, Decision Trees, Simulation, System Analysis, Sequencing, Scheduling, game theory

Topics: Subsea Field Development, Subsea Distribution System, Subsea Cost Estimation, Subsea Control, Subsea Power Supply, Project Execution, Interfaces, Subsea Risk, Subsea Reliability, Subsea Equipment RBI, Flow Assurance, System Engineering, Subsea System Engineering, Hydraulics, Heat Transfer, Thermal Insulation, Hydrates, Wax, Asphaltenes, Subsea Corrosion, subsea Scale, Erosion, Sand Management, Subsea Manifolds, Subsea Manifold Design, Subsea Structures, Subsea Equipment, Pipeline Ends, In-Line Structures, Subsea Connections, Jumpers, Subsea Wellheads, Subsea Trees, Subsea Tree Design, Subsea Processing, ROV Intervention, ROV Interface, Remote-Operated Tool, Subsea Umbilical Systems, Drilling Risers, Subsea Production Risers, Subsea Pipelines