Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.
设计并
成了一
新型末端氰基取代含氟二苯


晶。
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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
巨头能够大量生产乙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; 工业仍占国内生产总值
27%, 而英国和法国
这一比例约为 17%。