产品名称:荧光增白剂CBS-X CAS:38775-22-3 标准:企标 天然/合成:合成 含量:99% 外观:淡黄粉状 包装:25KG/纸板桶 成份:荧光增白剂 CBS-X 是双苯乙烯一联苯型光学荧光增白剂,是洗涤剂用最优秀的荧光增白剂。可溶于水,在室温下对纤维、聚酰胺、蛋白纤维均有良好的增白效果。其高浓度产品对棉布的增白效...
慰问过程中,领导一行与教师代表进行亲切交谈,对教师们的辛勤付出和无私奉献给予了高度评价与肯定,并为教师代表献上了鲜花和慰问金。 During the visit, the leaders had a conversation with CBS teacher representatives and spoke highly of their hard work and ...
so that we have the honor to share this honor together. Finally, we wish all CBS students to show their demeanor in various international assessments, and continue to sharpen and improve in the years to come!
The long-awaited CBS Host Competition Final took place this week with finalists buzzing with anticipation for the exciting event. Finalists from the various departments, Foundation, PYP, MYP and HS, included representation for each ho...