研究了有机合成阳离子高分子絮凝剂双氰胺-甲醛絮凝剂在污泥处理中的应用。
利用双氰胺和磷酸反应得到高纯度脒基脲磷酸盐P800。
1·The properties and advantages of GZQ vibration fluidized bed dryer, and its good effects on dicyandiamide drying are introduced.
介绍了GZ Q振动流化床干燥机的性能、优点及该机在双氰胺干燥应用中取得的成效。
2·Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
以双氰胺钠和糖精为起始原料，经过开环、光气化、缩合等一系列反应制备了苯磺隆，合成反应的总收率可达57。
3·The pickled pelt or bated hides were pretreated separately with glyoxylic acid, amino compounds and dicyandiamide resin etc. , then tanned with less chrome.
用氨基化合物，乙醛酸和双氰胺树脂等分别处理浸酸裸皮的软化裸皮后进行少铬鞣制。