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1993年10月23日至31日,在石家庄举行的第七届全国发明展览会,经过有关部门推荐和专家筛选,共展出具有创造性、新颖性、实用性、技术成熟市场前景广的最新发明的成果1000多项。我校化学院胶体化学研究所李干佐、毛宏志、徐桂英、李方等人发明的“高稠油降粘剂及其制备使用方法”,经专家评定获得金奖,同时获得国家教委设置的唯一的“耕耘奖金杯”,该产品应用于2万～10万mPa·s稠油达到了国际先进水平。这项成果是我校科技人员与有关厂家联合攻关的结果,经过室内试验——现场试验——室内改进试验——现场再试验,反复数次,历经二年的艰苦奋斗,于1992年7月通过省级鉴定。当年建立600吨/年
The Seventh National Invention Exhibition, held in Shijiazhuang from October 23rd to 31st, 1993, was presented with the latest inventions that are creative, innovative, practical and mature in the technology market due to the recommendation of relevant departments and screening by experts. The results of more than 1,000 items. The “heavy oil viscosity reducer and its preparation and use method” invented by Li Ganzuo, Mao Hongzhi, Xu Guiying, Li Fang et al. Of the Institute of Colloid Chemistry at the School of Chemistry of our school won the gold medal after being appraised by experts and the only “ Till the Bonus Cup, ”the product is applied to 20,000 to 100,000 mPa · s heavy oil has reached the international advanced level. This result is a result of joint research by our scientific and technical personnel and relevant manufacturers. After the indoor test - field test - indoor improvement test - re-test on site, repeated several times, after two years of hard work, in July 1992 Through the provincial appraisal. The establishment of 600 tons / year