File:Corn_Stover_Tar_from_Pyrolysis_by_Microwave_Heating.jpg · Wikimedia Commons · See Wikimedia Commons
Tar is a dark, thick liquid made up of hydrocarbons and carbon that's produced by heating carbon-rich materials like coal, wood, and peat in a process called destructive distillation. It has been historically important as a useful material derived from various organic sources, and can even be made from unexpected materials like corn stalks using heat.
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Research
14,876 papers- Coal Tar.Review2006
- Tar.ReviewClinics in dermatology · 1997Arnold WPDOI: 10.1016/s0738-081x(97)00018-7
- Tar level of cigarettes smoked and risk of smoking-related diseases.ReviewInhalation toxicology · 2018Lee PNDOI: 10.1080/08958378.2018.1443174
- Tar revisited.ReviewInternational journal of dermatology · 1985Lin AN, Moses KDOI: 10.1111/j.1365-4362.1985.tb05762.x
- Coal tar in dermatology.ReviewThe Journal of dermatological treatment · 2007Roelofzen JH, Aben KK, van der Valk PG et al.DOI: 10.1080/09546630701496347
- Tar Formation in Gasification Systems: A Holistic Review of Remediation Approaches and Removal Methods.ReviewACS omega · 2024Jayanarasimhan A, Pathak RM, Shivapuji AM et al.DOI: 10.1021/acsomega.3c04425
- Cigarette tar mediates macrophage ferroptosis in atherosclerosis through the hepcidin/FPN/SLC7A11 signaling pathway.Free radical biology & medicine · 2023Bao X, Luo X, Bai X et al.DOI: 10.1016/j.freeradbiomed.2023.03.006
- Transversus abdominis release (TAR): what are the real indications and where is the limit?ReviewHernia : the journal of hernias and abdominal wall surgery · 2020Zolin SJ, Fafaj A, Krpata DMDOI: 10.1007/s10029-020-02150-5
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Wikidata facts
- Subclass of
- conglomerante
- Image
- Corn Stover Tar from Pyrolysis by Microwave Heating.jpg
- Has use
- waterproofing
Show 3 more facts
- fabrication method
- destructive distillation
- Commons category
- Tar
- different from
- goudron
via Wikidata · CC0
Article · العربية
القطران أو القار هو خليط من السوائل العضوية عالية اللزوجة، لونها أسود، وهو ما يتبقى في قاع برج التقطير عقب التكرير التجزئي للنفط وهو أثقل منتجات النفط وأعلاها في درجة الغليان وكان يستخدم في عملية رصف الطرق.معظم القار يحتوي على الكبريت، والنحاس وتتضمن العديد من المعادن الثقيلة مثل النيكل، والفاناديوم، الرصاص، الكروم، الزئبق، وأيضا السيلنيوم، وغيرها من العناصر السامة. القار جيد في الحفاظ على أحافير النباتات والحيوانات
Abstract from DBpedia / Wikipedia · CC BY-SA
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