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View article Sampling J. Qian, in International Encyclopedia of Education (Third Edition), 2010 Sample Design and Probability Sampling Conducting a sampling process entails the successful coordination of several different steps: (1) defining the population of study and specifying the sampling frame; (...
Science education plays a pivotal role in shaping the future of Africa’s workforce, and innovative approaches are essential to meet the continent’s evolving needs. In this article, we explore the innovations in science education that are contributing to the development of a sustainable workforce i...
11.3.1.3 Sample Preparation Hydrated or “wet” samples that are soft and delicate require special sample preparation when performing EM. These samples, mostly biological, are difficult to analyze by EM because these instruments work in a dry high-vacuum environment and hydrated samples must first ...
Article Neutralizing Itsy Bitsy Spider Bites Scientists brewed recombinant human antibodies that take the sting out of the European black widow’s toxin. Laura Tran, PhD Laura Tran, PhD Laura is an assistant editor for The Scientist. She earned her PhD in biomedical sciences from Rush University...
However, relative to DNA projects, the Big Y-700 tests provide one very important feature that STR testing does not and cannot do. The Big Y-700 test creates a genetic tree, in conjunction with other testers, which provides scientifically calculated dates when branches of the genetic tree were...
Acta Materialia Supports open access 16.1CiteScore 8.3Impact Factor Menu Submit your articleGuide for authors Guide for authors Introduction AM Introduction Before you begin Ethics in publishing Declaration of competing interest Declaration of generative AI in scientific writing Submission declar...
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(31,224,458) have only the first initials, which are excluded from the inference. By fine-tuning the annotated names from these data sources following the original method, we obtain 409,809 unique names with max uncertainty threshold set to 0.26 and 85% of the sample classified. Finally, ...
Our analyses were observational, and no statistical method was used to predetermine sample size. Reporting summary Further information on research design is available in theNature Research Reporting Summarylinked to this article. Data availability