This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论了乙烯基醚类化合物的三种主要制备方法乙法、脱卤化氢法和缩醛热法。
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This has allowed titans like basf to churn out basic chemicals, such as acetylene and ammonia, which in turn fuelled the Mittelstand's manufacturing powerhouses; industry still makes up 27% of gdp, compared with about 17% in Britain and France.
这使得像巴斯夫这样巨头能够大量炔和氨等基础化学品,这反过来又为中型企业制造强国提供了动力; 工业仍占国内总值 27%, 而英国和法国这一比例约为 17%。