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Putrescine is found in all organisms. [13] Putrescine is widely found in plant tissues, [13] often being the most common polyamine present within the organism. Its role in development is well documented, but recent studies have suggested that putrescine also plays a role in stress responses in plants, both to biotic and abiotic stressors. [14]
The odor has been commonly known by the name "Aroma of Tacoma" since at least the early 1940s. However, there are instances of the word "aroma" being associated with Tacoma dating back to 1901 when local resident George Francis Train penned a civic cheer: [3] [4] Seattle! Seattle! Death Rattle, Death Rattle; Tacoma! Tacoma! Aroma, Aroma!
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The human body has two types of sweat glands.
Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
One Redditor likened the odor of their sneezes to “metal and chemicals,” and another to “musk and dead animal.” (Lovely.) Some speculated that a stanky sneeze indicated a sinus infection ...
In general, if an abnormal odor persists and comes with additional symptoms like pain, burning, itching, or unusual discharge, it’s a good idea to see a healthcare provider.
Odor intensity can be expressed using an odor intensity scale, which is a verbal description of an odor sensation to which a numerical value is assigned. [31] Odor intensity can be divided into the following categories according to intensity: 0 – no odor 1 – very weak (odor threshold) 2 – weak 3 – distinct 4 – strong 5 – very strong