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In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...
Elementeo is a chemistry-based card game in which elements have their own personalities— oxygen becomes Oxygen Life-Giver, sodium becomes Sodium Dragon, and iodine becomes Iodine Mermaid. Elements can be combined to form compounds and interact with properties and oxidation states. For example, Oxygen Life Giver rusts metals, Copper Cyclops ...
Chemistry sets may have been the first American toys marketed toward parents with the goal of "improving" children for success in later life. [10] The target market for chemistry sets was almost exclusively boys, deemed "young men of science." However, during the 1950s, Gilbert introduced a set targeting girls.
Invariance properties of molecular descriptors. The invariance properties of molecular descriptors can be defined as the ability of the algorithm for their calculation to give a descriptor value that is independent of the particular characteristics of the molecular representation, such as atom numbering or labeling, spatial reference frame, molecular conformations, etc. Invariance to molecular ...
Boys was born in Pudsey, Yorkshire, England. He was educated at the Grammar School in Pudsey and then at Imperial College London, whence he graduated in Chemistry in 1932. He then embarked on postgraduate study at Trinity College, Cambridge, supervised first by Martin Lowry, [6] and then, after Lowry's death in 1936, by John Lennard-Jones.
General Atomic and Molecular Electronic Structure System (GAMESS (US)) is computer software for computational chemistry. The original code started on October 1, 1977 as a National Resources for Computations in Chemistry project. In 1981, the code base split into GAMESS (US) and GAMESS (UK) variants, which now differ significantly.
Coupon. In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product . Customarily, coupons are issued by manufacturers of consumer packaged goods [1] or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed through mail ...
Dennis was one of countless victims of a massive global criminal operation predominantly run by predominantly Chinese gangs who have built a multibillion-dollar scam industry in Southeast Asia.