Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Li Ruiduan"'
Publikováno v:
Polish Journal of Chemical Technology, Vol 21, Iss 3, Pp 35-39 (2019)
Herein, a simple and effective method for the preparation of thiourea using a nucleophilic substitution reaction is reported. Urea and Lawesson’s reagent were used as the raw materials to prepare thiourea via a one-step method involving the sulfura
Externí odkaz:
https://doaj.org/article/21fd5965ed194980bb4873275a5abc1f
Publikováno v:
In Chinese Journal of Chemical Engineering November 2014 22(11-12):1357-1362
Publikováno v:
Journal of Social Sciences Studies.
The paper discusses the internal correlation among core curriculums in the chemical engineering and technology. By integrating courses, joint construction and teaching, a main line is found to enhance the engineering abilities of students. And the es
Publikováno v:
Topics in Chemical & Material Engineering.
Publikováno v:
2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC).
Stripping section of azeotropic distillation column (orifice column) has serious corrosion and maintenance problems, such as maintenance difficulties, device abnormal operation. Due to the above problems, it is necessary to reform tower internals. So
Akademický článek
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