Topics: Soil microorganisms, carbon cycle, cellulose decomposition, hemicellulose decomposition, lignin decomposition, nitrogen cycle, ammonification, nitrogen fixation, Free-living nitrogen fixing-bacteria, symbiotic Nitrogen-fixing bacteria, proteolysis, nitrification, denitrification

Topics: Principles of Soil Science

Topics: Engineering Surveying, Error, uncertainty, rounding number, error combination, vertical control, levelling, error distribution, Reciprocal levelling, Precise levelling, Digital levelling, Trigonometrical levelling, distance measurement, distance adjustment, Electromagnetic distance measurement, Meteorological corrections, Geometrical reductions, angle measurement, Conventional control surveys, Plane rectangular coordinates, Reference ellipsoid. Coordinate systems, Orthomorphic projection, Ordnance Survey National Grid, position, Satellite positioning, Satellite orbits, Differencing data, Wide area augmentation system, European geostationary navigation overlay service, curves, earthworks, Underground surveying

Topics: Modern Algebra, rational numbers, fields, polynomials, real numbers, complex numbers, groups, vectors, vector spaces, algebra of matrices, linear groups, determinants, canonical forms, Boolean Algebre, Lattice, Transfinite arithemetic, rings, ideal, Algrbraic Number fields, Galois theory

Topics: Civil Engineering Procedure, civil engineering, Structural Engineering, Environmental Engineering, Water Resources Engineering, Hydraulic Engineering, Geotechnical Engineering, Construction Engineering, Civil Engineering Design, Applied Civil Engineering Design, Civil Engineering Design Documents, construction process management, site analysis, Site reconnaissance, surveys, measured survey, condition survey, Photographic survey, video surveys, Site Investigation, Foundation design, subsoil examination, trial pits, borehole, Window samplers, Rotary Drilling Equipment, Percussion boring, construction principles, construction equipment, earthing moving equipment, bulldozer, Frontend Loader, Motor Graders, scrapers, truck, Excavating Equipment, construction elements, Foundation construction, foundation types, Strip foundations, Wide strip foundation, Short-bored pile foundations, Pad foundations, Raft foundations

Topics: Traffic Planning, Traffic Engineering, Traffic Studies, Traffic Surveys, Traffic Analysis, Transportation Surveys, Travel Surveys, Parking, Commercial Vehicle Survey, Public Transport SurveymTaxi Cab Survey, Travel Data, Transport Models, Trip Generation, Trip Rate Data Banks, Trip Distribution, Traffic Assignment, Parking Surveys, Street Parking, Off-street Parking, Traffic Management, Environmental Management, Public Transport, Freight Interchanges, Road User, Vehicle Warning, Road Alignment, Vehicle Performance, Traffic Stream, Traffic Capacity, Traffic Flow Relationships, Overtaking, Vehicle Movements, Vehicle Maneuvers, Traffic Control Systems, Cycle Time Choice, Vehicle Actuated Signals, Bus Signals, Coordinated Signal Systems, Area Traffic Control, Wide Area Control, Traffic Signal Equipment, Street Lighting, Traffic Signs, Carriageway Markings, Street Lighting Sources

Topics: Environmental Microbiology, water pollution, water pollution prevention, soil pollution, soil pollution effects, soil pollution prevention, Waste Management Resources, waste disposal methods, landfill, incineration, Plasma gasification, composting, waste minimization, Biological reprocessing, Waste Management methods, sewage, wastewater treatment, Water purification, Water-Borne diseases, chemical oxygen demand, biological oxygen demand

Topics: Analytical Techniques In Agriculture, safety quality, precision, accuracy, Animal Feed Sample Analysis, Soil Samples Analysis, Plant Sampling, soil sampling, soil sample preparation, microscopy, Atomic Absorption Spectrophotometer, High-performance liquid chromatography, Thin Layer Chromatography, Gas Chromatography, Polymerase Chain Reaction, Gel Electrophoresis, Hematology, Serum Biochemistry, Sample Conservation, sample Preservation, Cryopreservation

Topics: earth structure, lithosphere, mantle, core, specific gravity, Earth's magnetic field, plate tectonics, continental drift, continental margin, geologic time, historical geology, stratigraphy, relative time, absolute time, radiometric time scale, geologic time scale, palentology, Minerals, rocks, weathering, erosion, deposition, Marine erosion, Marine deposition, depositional basin, Lacustrine environment, Desert environment, Glacial Environment, subsurface water, Diagenesis, structural geology, petroleum traps, petroleum, reservoir, recovery techniques, exploration techniques, igneous rock, sedimentary rock, metamoprphic rock, rock cycle, mechanical weathering, chemica weathering, weathering products, downslope movement, floodplain deposits, delta deposits, stream deposits, Marine depth zones, Marine currents, wave types, wave refraction, erosional features, marine shoreline, marine deposition, Basin, Lake basin, lacustrine deposition, lacustrine deposits, desert erosion, desert deposition, desert deposits, Glacier, glacial deposition, glacial deposits, groundwater classification, aquifer, water table, water well, ground water processes, groundwater products, lithification, induration, diagenesis, fracturing, stress, strain, faults, folds, strike, dip, superposition, decriptive geometry, stereographic projection, hydrocarbon traps, structural traps, stratigraphic traps, combination traps, unconformity traps, crude oil, natural gas, reservoir performane, reservoir pressure, resevoir loss, reservoir destruction, reservoir rocks, clastic reservoirs, carbonate reservoirs, seals, pressure-data, geometry, fluid content, Rock sampling, fluid flow, porosity, permeability, reservoir properties, surface geology, surface data, surface geology, drilling operations, well cuttings, cores, electric logging, radioactivity logging, acousting logging, sonic logging, spontaenous potential logs, self potential logs, resistivity logs, induction logs, dual induction-focused logs, electrode logs, radioactivity logs, acoustic logs, drill stem tests, geophysical surveys, geochemical surveys, maps, cross-sections

Topics: Applied health Econometrics, health survey, lifestyle survey, ordered probit model, multinominal models, bivariate probit model, selection problem, endogenous regressors, count data regression, duration analysis, panel data model