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When the bomb prototype was first shown to Rintelen by Scheele it was a hollow cylinder of lead the size of a large cigar. Into the middle of the tube a circular disc of copper had been pressed and soldered, dividing it into two chambers. One of these chambers was filled with picric acid, the other with sulfuric acid or some other nonflammable ...
Habanos S.A.; 2. General Cigar Co. Dueling Cuban and non-Cuban brands; non-Cuban made in the Dominican Republic. Bongani. Bongani Cigars; distributed by Boutique Stogies Ltd in the USA. The first fully-African cigar brand, made in Mozambique using African tobacco. "Bongani" means "Be Grateful" in the Zulu language.
A cigarette filter, also known as a filter tip, is a component of a cigarette, along with cigarette paper, capsules and adhesives. Filters were introduced in the early 1950s. [3] Filters may be made from plastic cellulose acetate fiber, paper or activated charcoal (either as a cavity filter or embedded into the plastic cellulose acetate fibers).
Nicotine is a hygroscopic, colorless to yellow-brown, oily liquid, that is readily soluble in alcohol, ether or light petroleum. It is miscible with water in its neutral amine base form between 60 °C and 210 °C. It is a dibasic nitrogenous base, having K b1 =1×10 −6, K b2 =1×10 −11. [163]
Cigar Aficionado, launched in 1992, presents cigars as symbols of a successful lifestyle, and is a major conduit of advertisements that do not conform to the tobacco industry's voluntary advertisement restrictions since 1965, such as a restriction not to associate smoking with glamour. The magazine also presents pro-smoking arguments at length ...
Sequence alignment. In bioinformatics, a sequence alignment is a way of arranging the sequences of DNA, RNA, or protein to identify regions of similarity that may be a consequence of functional, structural, or evolutionary relationships between the sequences. [1] Aligned sequences of nucleotide or amino acid residues are typically represented ...
This is a list of 599 additives that could be added to tobacco cigarettes. The ABC News program Day One first released the list to the public on March 7, 1994. [1] It was submitted to the United States Department of Health and Human Services in April 1994.
Tar (tobacco residue) Tar is the name for the resinous, combusted particulate matter made by the burning of tobacco and other plant material in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. [1] Tar also damages the mouth by rotting and blackening teeth, damaging ...