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Abstracts & full text ( 7.5 million) biomedical and life sciences articles (Dec 2020). Includes text mining tools and links to external molecular and medical data sets. Free Yes EMBL-EBI: PubMed Central (PMC) [13] Biomedical, life sciences: 7,500,000 Free full-text archive of publications and preprints Free Yes NIH, NLM: ResearchGate ...
The Antikythera mechanism (/ ˌ æ n t ɪ k ɪ ˈ θ ɪər ə / AN-tik-ih-THEER-ə, US also / ˌ æ n t aɪ k ɪ ˈ-/ AN-ty-kih-) [1] [2] is an Ancient Greek hand-powered orrery (model of the Solar System), described as [weasel words] the oldest known example of an analogue computer [3] [4] [5] used to predict astronomical positions and eclipses decades in advance.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
CarShield, based in Missouri, has an A+ rating from the Better Business Bureau — but the company's BBB listing features more than 300 pages of complaints and a 1.6 out of 5 customer rating.
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August 5, 2024 at 3:11 PM. A woman unearthed a sympathy card she wrote at age 7 for a grieving teacher and it’s going viral for its “blunt yet compassionate nature.”. “I laughed so hard ...
The junction field-effect transistor ( JFET) is one of the simplest types of field-effect transistor. [ 1] JFETs are three-terminal semiconductor devices that can be used as electronically controlled switches or resistors, or to build amplifiers. Unlike bipolar junction transistors, JFETs are exclusively voltage -controlled in that they do not ...
Since his death, three attempts—two full and one partial—have been made at cataloguing. The first, and still most widely used, is András Szőllősy's chronological Sz numbers, from 1 to 121. Denijs Dille subsequently reorganised the juvenilia (Sz. 1–25) thematically, as DD numbers 1 to 77.