Topics: population, expansive population pyramids, stationary population pyramids, population pyramid, population size, population density, population abundance, population growth, community, ecosystem, energy flow, decomposition, nutrient cycling, biodiversity, environment, ecological niche

Topics: Geometrical Optics, Visual Optics, refraction, vergence relationship, thin lenses, Spherical Ametropia, Cylindrical Lenses, Correction of Astigmatism, accomodation, prisms, lens thickness, depth of field, Magnifying Lenses, Electronic Magnification, telescopes, Retinal Image Size, reflection, aberrations

Topics: climate, Rainfall variability, rainfall, Humidity, Solar radiation, sunshine, light, cloudiness, wind, Edaphic factors, Soil Formation, plant community, terrestrial pollution, forest resources, wildlife resources, population, population ecology, population growth, logistic growth model, sigmoid form model, population density variation, population size

Topics: algorithm design, algorithm analysis, Algorithm Efficiency, Algorithm Efficiency analysis, Brute Force, Exhaustive Search, Decrease-and-Conquer, Divide-and-Conquer, Transform-and-Conquer, Space and Time Trade-Offs, Dynamic Programming, Greedy Technique, Iterative Improvement, Algorithm Power, Algorithmic Problem Solving, Nonrecursive Algorithms mathematical analysis, recursive Algorithms mathematical analysis, Selection Sort, Bubble Sort, Sequential Search, Brute-Force String Matching, Closest-Pair Problems, Convex-Hull Problems, depth-First Search, Breadth-First Search, Insertion Sort, Topological Sorting, Variable-Size-Decrease Algorithms, Decrease-by-a-Constant-Factor Algorithms, binary search, Mergesort, quicksort, Binary Tree Traversals, Strassen’s Matrix Multiplication, Gaussian Elimination, presorting, Balanced Search Trees, Heaps, Heapsort, Horner’s Rule, Binary Exponentiation, Problem Reduction, B-Trees, hashing, Knapsack Problem, Optimal Binary Search Trees, Warshall’s Algorithm, Floyd’s Algorithm, Prim’s Algorithm, Kruskal’s Algorithm, Dijkstra’s Algorithm, Huffman Trees, huffman Codes, Simplex Method, Maximum-Flow Problem, Stable Marriage Problem, Lower-Bound Arguments, Decision Trees, Numerical Algorithms, Backtracking, Approximation Algorithms

Topics: Statistical Analysis, statistical data, statistical method, sampling, sample size, data preparation, data cleaning, missing data, data errors, statistical error, probability theory, odds, risk, frequentist probability theory, Bayesian probability theory, probability distribution, statistical modelling, computational statistics, inference, bias, confounding, hypothesis testing, statistical significance, confidence intervals, Non-parametric analysis, descriptive statistics, measures of central tendency, statistical indices, key functions, matrix, data transformation, data standardization, Box-cox, power transforms, Freeman-turkey transform, log transform, exponential transforms, logit transform, Normal transform, Z-transform, data exploration, graphic, visualization, exploratory data analysis, randomness, randomization, random numbers, random permutations, correlation, autocorrelation, probability distributions, eestimations, estimators, Maximum likelihood estimation, Bayesian estimation, z-test, T-test, variance test, contigency tables, randomized block designs, factorial designs, Analysis of variance, Analysis of covariance, ANOVA, MANOVA, ANCOVA, regression, smoothing, time series analysis

Topics: Nursing Research, Experimental design, Quasi-Experimental Design, survey designs, qualitative research, Field Study Approach, field study, New-Wave Research, Understanding Bias, bias, Descriptive Statistics, Inferential Statistics, Data Collection, Measurement, Questionnaire Development, Sampling, Sample Size, data analysis, quantitative data analysis, Simple Causal Models, Multivariate Techniques, research report, Research Critique, Research Utilization

Topics: Sampling, Sampling Units, Sampling errors, Nonsampling Errors, Simple Random Sampling, Confidence Intervals, Sample Size, Estimating Proportions, Estimating Ratios, Estimating Subpopulation Means, Unequal Probability Sampling, Horvitz-Thompson Estimator, Hansen–Hurwitz Estimator, Auxiliary Data, Ratio Estimation, Ratio Estimator, Small Population Illustrating Bias, Regression Estimation, Linear Regression Estimator, regression model, Multiple Regression Models, Regression Models, Stratified Sampling, Stratified Random Sampling, Cluster Sampling, Systematic Sampling, Multistage Designs, Double Sampling, Two-Phase Sampling, Network Sampling, Link-Tracing Designs, Detectability, Capture–Recapture Sampling, Line-Intercept Sampling, spatial sampling, Spatial Prediction, Kriging, Spatial Covariance Function, Spatial Designs, Adaptive Sampling Designs, Adaptive Sampling, Adaptive Cluster Sampling, Stratified Adaptive Cluster Sampling

Topics: Sociology, sociological consciousness, culture, cultural unity, sociocultural evolution, social structure, roles, social groups, society, groups, organizations, group dynamics, leadership, group size, social loafing, social dilemmas, conformity, formal organization, social interaction, deviance, social stratification, social classes, social differentiation, racial relations, ethnic relations, intergroup relations, age, aging, ageism, life course transitions, gender, gender roles, sexuality, institutional sexism, rapee, gender inequalities, sexuality, religion, economu, work, culture, leisure, political system, power, authority, state, American political structure, war, peace, education, medicine, health, population, ecology, demography, world population, population policies, collective behavior, social movemnets, social change, technology, modernization

Topics: Natural Products Chemistry Sources, Natural Products Separations, Natural Products Structures, metabolites, Ethnobotany, marine sources, animal sources, venoms, toxins, Water-Steam Distillation, Supercritical Fluid Extraction, Solvent Partitioning, Refined Isolation Techniques, Chromatography, Polar Compounds separations, charcoal reverse phase resins, High-Performance Liquid Chromatography, Capillary Electrophoresis, Polyamide Gel Chromatography, Size-Exclusion Chromatography, Structure Elucidation, Nuclear Magnetic Resonance, Ultraviolet Spectroscopy, Infrared Spectroscopy, Mass Spectrometry, Circular Dichroism, X-Ray Crystallography, isomers, building blocks, Terpenes, Isoprene Rule, Shikimate Pathway, Mevalonate Pathway, Polyketides, Carbohydrates, sugar, fat, Fructose, sugar complexity, Glucose, Disaccharide Sucrose, Polysaccharides, Galactomannan, Polysaccharides Immuno Properties, Echinacea, Ganoderma, mushroom Polysaccharides, fats, lipids, soaps, detergents, waxes, Triglycerides, Glycols, fatty acids, omega oils sources, fish oil Omega-3 Fatty Acids, Prostaglandins, Thromboxanes, Leukotrienes, Phenolic Compounds, Flavonoids, Flavones, Isoflavones, Flavone Glycosides, Anthocyanins, Tannins, Lignin, Lignans, Lignan Structural Units, Phytoestrogens, Nitrogen-Containing Compounds, Proteins, Peptides, Amino Acids, proteins components, Protein–Peptide Building Blocks, amino acids detection, Indoles, Alkaloids, Nucleic Acids, protein sythesis, Euphorics, morphine, morphine isolation, codeine, heroin, Cannabis, cocaine, Anti-Infectives, Antimicrobial β-Lactams, Penicillin isolation, Cephalosporin, Cephalosporin C isolation, Monobactams, Nocardicins, Carbapenem, Thienamycin isolation, Antibiotic Macrolides, Erythromycin, Antiparasitic Drugs, Avermectins, Tetracyclines, Statin drugs, steroids, Neem oil, Antimalarial Drugs, Quinine, Artemisinin, Anticancer Drug, Bryostatins, Carotenoids, β-Carotene, β-Carotene isolation, Lutein isolation, Zeaxanthin, Zeaxanthin isolation, Lycopene, Lycopene isolation, Vitamin C, Vitamin C isolation, Vitamin D, Vitamin E, Vitamin B6, Sweeteners, Xylitol, Aspartame, Sucralose, Stevia, Licorice, Agave, spices, tea, Tea Catechins, tea growing, Theaflavins, Toxic Mushroom, Marine Toxins, Conus Snail Toxins, Poisonous Frogs

Topics: cell structure, cell division, mitosis, cell cycle, Mitotic phase, prophase, Anaphase, telophase, Cytokinesis, Meiosis, Chromosome shape, Chromosome size, Chromosome number, Chromosome structure, Centromere, Chromatid, Telomere, Nucleolar Organizer Region, Chromomeres, Chromonema, Karyotype