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2.Included in the main topic of the meeting are the processing technology of Petroleum Wax (Include Petroleum Wax, White Oil, Vaseline, Liquid Paraffin wax and Solvent Naphtha and so on), Research and Development of Petroleum Wax Product and application, nationwide and worldwide technical communication and outlook of Petroleum wax, quality management and marketing exploration of Petroleum Wax.
这次会议的主要内容是：石油蜡类（包括石油蜡、白油、凡士林、液体石蜡、溶剂油等）加工工艺及技术；石油蜡类产品研制开发与应用；石油蜡类国内外技术信息及展望；石油蜡类产品质量管理和市场开发与营销。收藏指正
3.the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process).
（在石油精炼过程中）把石油重分子分解成低分子碳氢化合物的过程；把石油分子分解成更小的分子并提取低沸点的分馏部分（如汽油）的过程。收藏指正
4.The mixed solvent Consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
摘要用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂，以对茴香胺为原料，用该溶剂合成了3-磺酸基对茴香胺，产品中不含致癌物。收藏指正
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