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郭保章先生经数十年辛勤的教学耕耘，积数年之奋力撰写，终于铸就了这本难能可贵的化学史专著《２０世纪化学史》。２０世纪的化学发展之快、范围之广、涉及问题之多，令人目不暇接。要把如此浩繁复杂而绚丽多彩的２０世纪化学编写成一本适合教学和研究的史书，真是谈何容易，
After decades of hard work and teaching, Mr. Guo Baozhang has worked hard to write a few years and has finally created this valuable monograph “Chemical History of the 20th Century”. The rapid development of chemistry in the 20th century drew a great deal of scope and covered many problems. It is really easy to write such a complicated and brilliant 20th-century chemistry into a history book suitable for teaching and research.