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2020, Vol. 41(21): 63-66    DOI: 10.13884/j.1003-3807hxjy.2019080115
Application of Combination Method in Innovation of Chemical Instruments:Design of Demonstration Device for Industrial Preparation of Hydrochloric Acid
YE Yong-Qian1**, YE Yan-Zhu2, ZHANG Xian-Jin2, YAN Ye-An3
1. Qiaoguang High School, Nan'an 362314, China;
2. Chemical Education Research Institute, Fujian Institute of Education, Fuzhou 350025, China;
3. Fujian Sanming No.1 Middle School, Sanming 365000,China
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