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Triton X-100 (C 14 H 22 O(C 2 H 4 O) n) is a nonionic surfactant that has a hydrophilic polyethylene oxide chain (on average it has 9.5 ethylene oxide units) and an aromatic hydrocarbon lipophilic or hydrophobic group.
Polysorbate 20 (common commercial brand names include Kolliphor PS 20, [2] Scattics, Alkest TW 20, Tween 20, and Kotilen-20) is a polysorbate-type nonionic surfactant formed by the ethoxylation of sorbitan monolaurate.
The crossbow is also sometimes used in this manner and has its own advantages, including the use of a reel. See Recreational fishing . Bowfishing arrows are considerably heavier and stronger than arrows used in other types of archery and are most commonly constructed of five-sixteenths-inch (0.79 cm) fiberglass , but solid aluminum, carbon ...
Here’s what you need to know. Meet the expert: Vernon Williams, MD, ...
The NFL playoffs are nearly in sight and the heat is on for some teams still in the fight to make the postseason.. Week 15 saw the number of teams that have qualified for the playoffs increase to ...
Editor’s Note: Examining clothes through the ages, Dress Codes is a new series investigating how the rules of fashion have influenced different cultural arenas — and your closet. Red velvet ...
A bracer (or arm-guard) is a strap or sheath, commonly made of leather, stone or plastic, that covers the ventral (inside) surface of an archer's bow-holding arm. It protects the archer's forearm against injury by accidental whipping from the bowstring or the fletching of the arrow while shooting , and also prevents the loose sleeve from ...
WASHINGTON (Reuters) -U.S. manufacturing contracted at a moderate pace in November, with orders growing for the first time in eight months and factories facing significantly lower prices for inputs.