The writers have improved the BHT reaction process and equipment in the new unit design through the analysis of reaction process and kinetic charac…
作者在新装置设计中，通过反应工艺和动力学特性分析，对反应工艺和设备进行改进。
The paper introduces the present situation, Charac-teristice, principle and typical process flow of SO_2 gassing hardening cold box process in our country.
文章介绍了我国目前SO_2吹气硬化冷芯盒制芯的现状、特点、原理及典型的工艺流程；
In this paper the charac-tristscs of content and forms of soil Arsenic in different geo-environmental conditions are discussed based on the analysis of six typical soil samples.
本文根据六种典型土壤中砷的形态和含量的测定结果，分析讨论了不同地理环境条件下土壤中砷的含量和形态特征。
In this paper the charac-tristscs of content and forms of soil Arsenic in different geo-environmental conditions are discussed based on the analysis of six typical soil samples.
本文根据六种典型土壤中砷的形态和含量的测定结果，分析讨论了不同地理环境条件下土壤中砷的含量和形态特征。
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