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Dibenzodioxin is the carbon skeleton of the poisonous polychlorinated dibenzodioxins (PCDDs), often called dioxins. The most harmful PCDD is 2,3,7,8-tetrachlorodibenzodioxin (TCDD). Dioxins and dioxin-like compounds is a category of pollutants that includes PCDDs and other compounds that have similar structure, toxicity, and persistence.
Polychlorinated dibenzodioxins (PCDDs), or simply dioxins, are a group of long-lived polyhalogenated organic compounds that are primarily anthropogenic, and contribute toxic, persistent organic pollution in the environment.
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Polychlorinated dibenzofurans with chlorines at least in positions 2,3,7 and 8 are much more toxic than the parent compound dibenzofurane, with properties and chemical structures similar to polychlorinated dibenzodioxins. These groups together are often inaccurately called dioxins.
A small bottle of rượu thuốc Rượu thuốc in Phú Quốc island. A popular type of rượu thuốc is snake wine (rượu rắn) for its placebo ability to cure multiple diseases including far sightedness, hair loss, back pain, digestive problems, fertility problems and even leprosy. [2]
Nam dược thần hiệu by Tuệ Tĩnh. Various compendiums and treatises on traditional Vietnamese medicine include the 11-volume Nam dược thần hiệu by the 14th century physician Tuệ Tĩnh [9] and Hải Thượng y tông tâm lĩnh by the 18th century physician Hải Thượng Lãn Ông.
Liang published Phan's 1905 work Việt Nam vong quốc sử (History of the Loss of Vietnam) and intended to distribute it in China and abroad, but also to smuggle it into Vietnam. Phan wanted to rally people to support the cause for Vietnamese independence; the work is regarded as one of the most important books in the history of Vietnam's ...
Lý Nam Đế established his capital at Long Biên (modern-day Hanoi), surrounded himself with effective leadership in military and administrative scholars.Lý Nam Đế was also strongly supported by famous military commanders such as Phạm Tu, Triệu Túc, Tinh Thiều, and Triệu Quang Phục, (son of Triệu Tuc, later known as Triệu Việt Vương).