本文为寻求合成某种物质的化学反应途径及步骤，设计出化学合成专家系统ESCS。
An expert system for chemical synthesis -ESCS was developed, in order to find synthesis paths and steps of one substance.
纤维素及其衍生物是制造纤维和功能性物质的基本原材料，可通过纤维素的化学反应来寻求一种较有实际意义的应用途径。
Cellulose and its derivatives are basic materials for manufacture of fibres and functional materials. A more practical way of application can be explored through chemical reactions of cellulose.
正碳离子是重要的有机化学反应中间产物，而氢原子移位则是正碳离子异构化的主要反应途径。
Carbon cations are important organic reaction intermediates, and hydrogen shift is a key path through which carbon cations isomerizes.
通过化学反应在PP分子结构中引入极性基团是达到PP功能化的根本途径。
Introducing polar group onto molecular structure of PP via chemical reaction is deemed as a primary means for functionalization of PP.
第三种途径称为结合气化的综合循环途径（IGCC）。 该途径同样需要氧气，但这是作为化学反应之用而不是燃料。
The third approach, called "integrated gasification combined cycle" (IGCC), also requires oxygen, but for use in a chemical reaction rather than for burning.
第三种途径称为结合气化的综合循环途径（IGCC）。 该途径同样需要氧气，但这是作为化学反应之用而不是燃料。
The third approach, called "integrated gasification combined cycle" (IGCC), also requires oxygen, but for use in a chemical reaction rather than for burning.
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