File:Kolbenluftpumpe_hg.jpg · Wikimedia Commons · See Wikimedia Commons
สุญญากาศ
Sign in to savethumb|300x300px|Vacuum pump and bell jar for vacuum experiments, used in science education during the early 20th century, on display in the Schulhistorische Sammlung ('School Historical Museum'), [[Bremerhaven, Germany]]
OverviewAI-generated
A vacuum is a subject categorized under the "Vacuum" tag on Physics Stack Exchange and the "Vacuum" category on Wikimedia Commons. It is referenced by 1,245 other encyclopedia articles within the Vinony graph.
Physically, a vacuum has a density of 0. Its refractive index, relative permittivity, and relative permeability are each 1. In medical literature indexed by PubMed, the term "vacuum" appears in 57,240 records.
Synthesized by Vinony from 9 facts across 3 sources: Wikidata, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Research
57,240 papers- Recent Progress in Vacuum Engineering of Ionic Liquids.Molecules (Basel, Switzerland) · 2023
- Vacuum-Assisted Needle-Free Capillary Blood Sampling.Journal of diabetes science and technology · 2024
- Comparison of Vacuum Suction Sheath and Non-Vacuum Suction Sheath in Minimally Invasive Percutaneous Nephrolithotomy: A Meta-Analysis.Journal of investigative surgery : the official journal of the Academy of Surgical Research · 2022
- Vacuum-Induced Tamponade for Treatment of Postpartum Hemorrhage.Obstetrics and gynecology · 2021
- Are intravertebral vacuum phenomena benign lesions?European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2011
via PubMed
Wikidata facts
- Subclass of
- abstract entity
- Part of
- physics
- Image
- RCA ’808’ Power Vacuum Tube.jpg
Show 9 more facts
- Stack Exchange tag
- physics.stackexchange.com/tags/vacuum
- Commons category
- Vacuum
- topic's main category
- Category:Vacuum
- refractive index
- 1
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- relative permittivity
- 1
- relative permeability
- 1
- different from
- vacuum cleaner
- density
- 0
Sources (6)
via Wikidata · CC0
Gallery (32)
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