以下为句子列表：
英文: It is pointed that the routes of dimethyl oxalate hydrogenation and solid acid catalysis of methyl formate and formaldehyde could be the environmentally friendly and economically attractive alternatives to existing method for industrial production of meth
中文: 指出草酸二甲酯催化加氢法和以甲酸甲酯和甲醛为原料的固体酸催化法是有吸引力的环境友好的经济路线。
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英文: This paper discussed the material of equipmen t which was used to prepare diethyl oxalate by CO coupling-regeneration reactio n wi th the method of weight.The seven kinds of metal material,such as 306,314L,316L ,Zr,Ti(2),Ti(10),1Cr18Ni9Ti and one kind non
中文: 进一步认识发展散装水泥的重要性和紧迫性发展散装水泥是一项节约资源,保护环境的重要经济技术措施,具有良好的经济效益、环境效益和社会效益.据测算,每使用1万吨散装水泥与袋装水泥相比,可节约木材330立方米、电7.2万度、烧碱22吨、煤78吨、棉线约4吨、减少水泥损失450吨.我国目前是世界第一水泥生产大国,年产水泥5亿多吨,而散装率不到20%,这远不能适应社会和经济的发展.为此国家提出了限制袋装、鼓励散装的发展方针.
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