Topics: Lesbian Parenting, Gay Parenting, Post-Heterosexual Divorce and Separation, Lesbian-Mother Families, Lesbian Adoptive Parents, Gay Adoptive Parents, Gay Men, Surrogacy, Transgender-Parent Families, LGBT Parents

Topics: Soil Mineralogy, soil fertility, soil chemistry, pedology, Soil composition; soil air, soil water, kaolinite, Illite, Smectite, Mixed layer Clays Silica minerals, Iron, aluminum oxides, hydroxide, oxyhydroxides, Differential thermal analysis, X-Ray diffraction analysis, Infrared spectroscopy

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: Measurements, Measurement Systems, error, Units, Dimensions, Electrical Circuit Components, Resistors, Inductors, Capacitors, Galvanometers, Analog Ammeter, Voltmeter, power measurement, Wattmeter, energy measurement, Energy Meters, Potentiometers, Inductance, resistance, Capacitance, Cable Faults localization, Magnetic Measurements, High Voltage Measurements, Optoelectronic Measurements, Electronic Instruments, High Frequency Measurements, Cathode Ray Oscilloscope, Signal Generators, Signal Analyzers, Instrumentation Amplifiers, Nonlinear Circuits, Signal Conditioning, Electrical Wave Filters, Number Systems, Logic Gates, Boolean Algebra, Logic Families, Digital Measurement, digital Instruments, Display Devices, Electronic Recording Devices, Transducers, Data Acquisition Systems, Telemetry, Microprocessor Based Measurements

Topics: Number system, binary codes, digital arithmetic, logic gates, logic families, Boolean Algebra, Arithmetic Circuits, Multiplexers, Demultiplexers, Programmable Logic Devices, Flip-Flops, Counters, Register

Topics: Plant diversity, botanical names, plant families, trees, herbs, shrubs, climbers

Topics: English LanguageLanguage Families, Indo-European Languages, Roman Invasion, Anglo Saxon Invasion, Scandinavian Invasion, Norman conquest, Re-Establishment of English, Old English, Old English Morphology, Old English syntax, Middle English, Early Modern English, Varieties of English, English Language Today, English language speakers

Topics: Language, Linguistics, Language-behaviour, Language-systems, speech, branches of linguistics, sounds of language, phonic medium, phonetic representation, orthographic representation, articulatory phonetics, phonemes, allophones, suprasegmental phonology, phonological structure, grammar, syntax, inflection, morphology, grammaticality, productivity, parts of speech, form-classes, grammatical categories, generative grammar, sematics, lexical meaning, denotation, grammar, sentence-meaning, utterance-meaning, language-change, historical linguistics, language-families, historicism, structuralism, functionalism, generativism, universal grammar, mentalism, rationalism, innateness, language acquisition, sociolinguistics, ethnolinguistics, psycholinguistics, accent, dialect, idiolect, vernaculars, bilingualism, code-switching, diglossia, stylistic variation, stylistics, culture, cultural overlap, cultural diffusion, translatability

Topics: English Language history, Language Families, language, Scandinavian Invasion, Norman Conquest, Old English Period, middle English Period, early modern English Period, printing technology, Great Vowel Shift, dictionary, english varieties, English Language

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