We had a modern gardenesque factory about 28000 sq. at present, we hold a series of advanced equipments for toothpaste manufacture.
本公
有28000多平方米的大型园林式现代厂房，多套现代化先进一体式制膏设备。
We had a modern gardenesque factory about 28000 sq. at present, we hold a series of advanced equipments for toothpaste manufacture.
本公有28000多平方米的大型园林式现代厂房，多套现代化先进一体式制膏设备。
A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.
水为介质,方酸与
及其衍生物顺利发生脱水缩合,合成了一类方酸单酰胺化合物——氨甲酰类氮氧方酸3。
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