带末端 meaning in English

end of tape

End of tape marker
带末端标记
Ribbons and spools used on office machines and data processing equipment . widths of one - time paper or plastic printing ribbons up to 19 mm wide and marking to indicate the end of the ribbons
办公机械与数据处理设备用色带和卷轴.宽度接近19mm的一次性纸质或塑料打印带的宽度与打印带末端的标记
First , a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound , 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ) . second , mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles . the resultant polymer particles were used as a fluorescence probe , which was almost free of dye leaching , and had higher photostability in comparison with free aec
首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端双键,得到带末端双键的荧光指示剂3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然后通过乳液聚合技术将mec共价固定到聚甲基丙烯酸丁酯基体上,制得一种共价固定了mec的聚合物颗粒。