On May 27th, Zheng Runsheng, president of Zhengzhou Intellectual Property Association, visited Zhengzhou New Material Industrial Park (hereinafter referred to as “Industrial Parkâ€) and held a symposium. Wang Yuhong, deputy director of the Industrial Park Management Committee, accompanied the investigation.
During the investigation, Mr. Fang Runsheng and his party first came to Zhengzhou Huajing Diamond Co., Ltd. (hereinafter referred to as “Huajing Companyâ€), a new material industry park resident enterprise. They visited the six-face press machine workshop and the No. 6 diamond processing workshop. Diamond quality inspection workshop, selection workshop and other work areas, specifically understand the specifications and uses of the hinged six-face press, diamond grinding tools, diamond resin bond polishing tools and diamond composite geological drills, and watch the diamond cutting on site. The process of sanding, and the appearance of the diamond was carefully observed through a microscope. Among them, the operation technology of hinged six-sided top press is independently developed by Huajing Company. It has the advantages of safety and stability, simple operation and remarkable economic benefits. It is the first domestic and international innovation of press technology in superhard materials industry.
In the exhibition center of Zhengzhou New Material Industrial Park, the research team visited the new material industry with super hard materials and products, new abrasive materials and advanced functional ceramics as the main body, as well as the main equipment for super hard materials. A preliminary understanding of the development of the park industry, such as the processing of auxiliary materials, and the exhibition, the development thinking, development planning and development achievements of the National Patent Navigation Superhard Materials Industry Development Experimental Zone in the industrial park. In the exhibition center of Zhengzhou New Material Industrial Park, the research team visited the new material industry with super hard materials and products, new abrasive materials and advanced functional ceramics as the main body, as well as the main equipment for super hard materials. A preliminary understanding of the development of the park industry, such as the processing of auxiliary materials, and the exhibition, the development thinking, development planning and development achievements of the National Patent Navigation Superhard Materials Industry Development Experimental Zone in the industrial park.
At the end of the investigation, the two sides held a symposium in the industrial park. President Fang Runsheng introduced the general situation of the association. The vice president and secretary-general of the association successively interpreted relevant policies on intellectual property pledge financing and patent insurance. Representatives from more than ten resident enterprises in the industrial park exchanged face-to-face with the association and asked questions about intellectual property related issues encountered in the development of the enterprise. The staff of the association gave detailed answers one by one.
President Fang Runsheng said that the existing platform of the association will be used to help enterprises enjoy more and better policy dividends and help the development of the park industry. At the same time, they hope that the two sides will strengthen cooperation, share experiences, share channels and seek common development. Deputy Director Wang Yuhong expressed gratitude for the valuable comments and suggestions put forward by the Association. During the meeting, President Fang Runsheng presented the “Zhengzhou New Material Industry Intellectual Property Alliance†Association Group Membership Certificate to Xu Yuanjia, Executive Deputy Director of the Park Management Committee.
More than 30 representatives from Zhengzhou Intellectual Property Association and Zhengzhou New Material Industrial Park participated in the event.
Chlorine dioxide when used as an effective disinfectant forms undesirable disinfection by-products, i.e. chlorite and chlorate ions. The aim of this research was to study the removal of these ions byferrous ions in the presence or absence of oxygen. The efficiency of Fe+2 for ClO2- and ClO3- removal was followed by a determination of their initial and final concentrations, pH and delta Fe+2 consumed/delta ClO2- removed ratios. The optimal weight ratio of delta Fe+2 consumed/delta ClO2- removed for complete ClO2 removal was found to be close to the theoretical calculated value of 3.31. It was proved that ferrous salts can reduce chlorite ions to harmless Cl- ions. This method can be recommended as a part of ClO2 disinfection to ensure safe drinking water, with no harm to waterconsumers and to the environment.
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