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Photoluminescence and thermochromic properties of ethyl N-salicylideneglycinate dyes differing in donor–acceptor properties are driven by the well-established, in general chemistry, concept of π-electrons delocalization, that is, resonance assisted hydrogen bonding (RAHB), which is unveiled and deeply ...
Concise explanations of chemical terms can be found in the Van Nostrand Reinhold Encyclopedia of Chemistry, 5th ed., by Glenn D. Considine (2005). Comprehensive treatment of chemical theories and reactivity is presented in Donald A. McQuarrie and Peter A. Rock, General Chemistry, 3rd ed. (199...
How do you think these players differentiate themselves? What are the differentiating factors or unique selling propositions? Let’s start with Real Chemistry. 31. What do you think are the customers' top three purchasing criteria? How do you think the criteria rank in terms of importance?
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such...
The item difficulty index that was obtained after excluding three items that were not found to be within the acceptable range in terms of item difficulty and item discrimination indices was between 23% and 72%. This result indicated that the test items were neither too easy nor too difficult....
For a semiotic resource to be referred to in modal terms, the mode in question needs to have a set of resources and organizing principles that are recognized within the specific context of usage; for example, see [23]. This means that different modes afford different intrinsic meaning ...
All that about embracing your pain, making it a part of you? 说什么拥抱你的痛苦使它成为你的一部分? 互联网摘选 15、 I intend to use these terms in a deliberately non-specific and all-embracing way. 我打算有意含糊笼统地使用这些词语。 《柯林斯高阶英汉双解学习词典》 16、 This is very...