1.This feature can be used to cancel the unwanted polarization effect in an optical system, and to fabricate phase retarders .
利用薄膜的这一特性可以消除光学系统不想要的偏振效应以保持光的偏振状态，也可以用来制作薄膜位相延迟片。
2.to concrete , the setting time of concrete extends with amount of set - retarders increase.
对混凝土而言，常用缓凝剂随掺量增大，混凝土凝结时间显著延长。
3.Guarantee mass concrete and hot weather has retarders as well as requirements of the construction.
保证大体积砼及炎热天气下有缓凝要求的施工工程。
4.The coarsening of crystal and worsening of pore structure are the internal reason about strength loss caused by addition of retarders .
晶体粗化和孔结构劣化是缓凝剂引起强度降低的根本原因。
5.The ashes from desulfurization could be used as cement adjusting retarders and masonry cement or mortar with high performance.
可利用脱硫灰渣生产高性能水泥调凝剂和高性能砌筑水泥或砂浆。
6.However, these retarders delays onset of C3S hydration and may therefore also delay strength evolution.
但这些缓凝剂会延迟C3S的水化，从而也延迟水泥浆体强度的发展。
7.Retarders: Printing ink additives which extend the ink's open time on press.
延缓剂：油墨的添加剂，它延长油墨在印刷机上的开放时限。
8.Effect of different dosage of the three retarders as BF, TH and FQ on the setting time and strength of alkali- slag cement was introduced.
介绍了BF、TH、FQ三种缓凝剂不同掺量对碱矿渣水泥凝结时间和强度的影响，并做了混凝土试验，介绍了工程应用情况。
9.Plasters other than those for dentistry, whether or not coloured, with or without small quantities of accelerators or retarders
其他熟石膏，不论是否着色及带有少量促凝剂或缓凝剂
10.Plasters for dentistry, whether or not coloured, with or without small quantities of accelerators or retarders
牙科用熟石膏，不论是否着色及带有少量促凝剂或缓凝剂