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- Abstract: The photografting polymerization of N-vinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPE-g-NVP was chara cterized by FTIR qualitatively. 文摘:采用一步法和二步法研究了聚乙烯薄膜表面的N-乙烯基吡咯烷酮光接枝反应,并用傅立叶变换红外光谱仪定性表征了反应结果。
- The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively. 采用一步法和二步法研究了聚乙烯薄膜表面的N-乙烯基吡咯烷酮光接枝反应,并用傅立叶变换红外光谱仪定性表征了反应结果。
- The surface modification methods of UHMWPE fibers are described in this paper, especially the advantages, mechanisms and techniques of photocrosslinking and photo grafting by UV irradiation. 本文对UHMWPE纤维的表面改性方法进行了概述,重点介绍了紫外辐照交联和紫外光接枝改性的优点、机理和工艺,并提出了目前紫外辐照改性中尚存的问题。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- Hard graft is the only way to succeed in business. 艰苦奋斗是在事业上成功的唯一途径。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- Many a time have we come across this same photo. 我们多次都见到过这同一张照片。
- He adjusted the shutter before taking a photo. 在照相前,他调整了快门。
- Roses graft well on brier roots. 玫瑰很适於接枝在石南根上。
- A healthy shoot should form a strong graft. 健康的嫩枝可以长成强壮的接穗。
- The woman on the photo is my paternal grandmother. 照片上的这个妇人是我祖母。
- He took a lot of photo last sunday, and so do I. 他上星期照了许多照片,我也一样。
- The photo made him quite attractive. 照片把他拍得相当英俊。
- Keywords maleic anhydride;styrene;CTC;photo graft;poly(ethylene terephthalate); 马来酸酐;苯乙烯;电荷转移络合物;光接枝;聚酯;
- That photo is a good likeness of David. 戴维那张相片照得很像。
- The surgeon graft the dead man's kidney into his patient. 这位外科医生将死人的两个肾移植到他的病人身上。
- He hit upon a photo taken ten years ago. 他偶然发现一张十年前拍的照片。
- The photo shows her dressed in black. 在这张照片里,她穿著黑衣服。
- I got her in focus before I took the photo. 我在拍摄前先用镜头把她对清楚。
- He was caught by the police because of the graft and corruption. 他因贿赂贪污被警察抓了起来。