笨重
发表于 2025-3-23 11:15:33
industrialization when compared to other Latin American economies; (d) its high levels of unemployment, underemployment and labour force exploitation; and (e) its authoritarian political history.. With this background in mind, it is my purpose here to provide an account of the process of economic a
使混合
发表于 2025-3-23 15:30:09
Introduction,“jungle” of organic compounds continues to grow unremittingly. Therefore, new methods leading to better orientation in this “jungle” should be of great importance for introducing a logic and order into organic chemistry. Mathematics and mathematical models are now playing a principal role in these a
纵欲
发表于 2025-3-23 19:41:50
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lacrimal-gland
发表于 2025-3-23 22:26:05
S-Graphs and Synthons,are distinguished from others and are called the .. We remember that in graph theory such a process is called rooting and the distinguished vertices are called the roots. In the original approach employing the molecular graphs the concept of chemical transformation is determined for pairs of gra
寻找
发表于 2025-3-24 05:21:56
The Applied Synthon Model,stinguished from others by virtue of being so-called virtual vertices. In our forthcoming considerations we shall often use the term atom instead of the mathematical term vertex. The virtual vertex, or atom, represents a “virtual” functional group or a molecular fragment irrelevant for the chemical
Inelasticity
发表于 2025-3-24 08:29:11
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亚当心理阴影
发表于 2025-3-24 14:33:17
Conclusions,ynthesis design. Particular attention was devoted to the close correspondence of the proposed model with the thinking of organic synthesis chemists, since the model has been built up mainly as a basic methodological starting point for the implementation of computer programs processing the design of
意外的成功
发表于 2025-3-24 17:15:27
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maroon
发表于 2025-3-24 20:28:38
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corpus-callosum
发表于 2025-3-25 02:08:21
0342-4901These lecture notes elaborate the mathematical model of organic chemistry, which offers formal concepts for unambiguous description of computer algorithms for organic synthesis design including retrosynthesis and reaction mechanisms. All definitions and theorems are supplemented by many illustrativ