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CAS, a division of the American Chemical Society, is pleased to announce that it will contribute to the Wikipedia project. CAS will work with Wikipedia to help provide accurate CAS Registry Numbers ® for current substances listed in Wikiprojects-Chemicals section of the Wikipedia Chemistry Portal that are of widespread general public interest.
Chemical Abstracts Service Building B in August 2009. Columbus, Ohio. STN (Scientific & Technical Information Network) International is operated jointly [4] by CAS and FIZ Karlsruhe, and is intended primarily for information professionals, using a command language interface.
Reaxys is a web-based tool for the retrieval of information about chemical compounds and data from published literature, including journals and patents. The information includes chemical compounds, chemical reactions, chemical properties, related bibliographic data, substance data with synthesis planning information, as well as experimental procedures from selected journals and patents.
Based on that old value, they compute some new value. Then they try to swap in the new value using CAS, where the comparison checks for the location still being equal to the old value. If CAS indicates that the attempt has failed, it has to be repeated from the beginning: the location is re-read, a new value is re-computed and the CAS is tried ...
The movement to web-based applications in the early 2000s saw the release of WolframAlpha, an online search engine and CAS which includes the capabilities of Mathematica. [5] More recently, computer algebra systems have been implemented using artificial neural networks, though as of 2020 they are not commercially available. [6]
On October 2, 2020, the show's various social media accounts posted two photographs from different sets: A poster for a pep rally hanging in a hallway at Hawkins High, and a clapperboard in front of a grandfather clock in the Upside Down, a scene that was first depicted in the season's initial teaser trailer. [73]
CaSO 4 + 2 C → CaS + 2 CO 2. and can react further: 3 CaSO 4 + CaS → 4 CaO + 4 SO 2. In the second reaction the sulfate (+6 oxidation state) oxidizes the sulfide (-2 oxidation state) to sulfur dioxide (+4 oxidation state), while it is being reduced to sulfur dioxide itself (+4 oxidation state). CaS is also a byproduct in the Leblanc process ...
It was later revealed that the season would premiere on February 7, 2020, after being pushed to mid-season to make room for Magnum P.I. on CBS' Friday schedule. [15] On November 6, 2019, it was revealed that CBS had ordered nine additional episodes which would’ve brought the season order to twenty-two episodes. [ 16 ]