反应混合液中硫氰酸钠的浓度为40%。
The concentration of sodium thiocyanate is 40% in the reaction solution.
应用泄漏液循环使用技术，提高产品硫氰酸钠的回收率；
Thirdly, the leakage liquid was recycled so as to improve the recovery rate of sodium thiocyanate.
凝胶色谱法是一种有着广阔应用前景的硫氰酸钠溶剂净化技术。
Gel chromatography is an attractive technology to purify the sodium thiocyanate solvent of nitrilon industry.
指出这一方法必将成为今后硫氰酸钠除杂的最有效的方法之一。
It will be a good method for us to remove the impurities in the NaSCN solution in the future.
本文通过实验分析了循环水中含有硫氰酸钠对循环水腐蚀性的影响。
The paper discussed the affect of NaSCN to the corrosion of recycle cooling water.
简要介绍了大庆石化腈纶厂回收污水中硫氰酸钠的工艺流程、原理及操作。
Brief Introduction the process, principles and operation that recovery in Daqing Petrochemical acrylic sodium thiocyanate from wastewater.
结果表明，利用高温净化除杂方法，可以把硫氰酸钠中的有机杂质全部去除干净。
Results indicate that all organic impurities can be cleaned out from NaSCN solution with this method.
医药中间体种类：氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。
Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.
膜分离对硫氰酸钠中的总杂质、硫酸根和含铁杂质的去除率约为80%，97%，60%。
About 80%, 97% of total impurities and sulfates and 60% of iron contained impurities were rejected by the membrane process.
采用硫氰酸钠为溶剂，湿纺一步法工艺生产腈纶，探讨了喷丝头负拉伸率对纤维成形的影响。
Using NaSCN as solvent, acrylic fiber was produced by one-step wet spinning process. The effect of spinneret negative draw ratio on fiber formation was discussed.
采用硫氰酸钠为溶剂，湿法二步法工艺生产扁平腈纶，探讨了喷丝板的选型和生产工艺的优化。
Using NaSCN as solvent, flat acrylic fiber was produced by two-step wet spinning process. The selection of spinneret shape and the optimization of process conditions were discussed.
论述了硫氰酸钠高温净化除杂的基本原理，以此原理为基础建立起高温净化除杂的新型实施方法。
Basic NaSCN principle of high - temperature - cleaning is expatiated. A kind of new cleaning method has been suggested here on the foundation of this principle.
论述了硫氰酸钠高温净化除杂的基本原理，以此原理为基础建立起高温净化除杂的新型实施方法。
Basic NaSCN principle of high - temperature - cleaning is expatiated. A kind of new cleaning method has been suggested here on the foundation of this principle.
应用推荐