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- In this paper, the optical storage properties of polyvinyl alcohol film doped with methyl red dyes were studied,where the dynamic curves of grating growth and decay were measured by using the writing light of 532nm and the reading light of 632.8nm. 用 2倍频小型 YAG激光 ( 53 2 nm)作为写入光和擦除光 ;用 He-Ne激光器 62 3 .;8nm线作为读出光;用 CCD作为探测器;研究了不同写入光功率下;甲基红 /聚乙烯醇 ( MR/PVA)薄膜光栅生长的动力学过程和不同擦除光功率下;光栅擦除的动力学过程
- The polarizer having high polarizing activities and durability to heat and moisture was prepared by dipping the newly synthesized azoxy dye into oriented and stretched polyvinyl alcohol film. 使用新合成的氧化偶氮染料对定向和拉伸的聚乙烯醇薄膜染色,制备了具有较高偏振度和耐高温高湿性能的偏振片。
- methylene blue dye-doped polyvinyl alcohol films 亚甲基蓝掺杂聚乙烯醇薄膜
- Effect of thickness of hydrocarbon burning layer on gas barrier permeability of polyvinyl alcohol film 碳氢烧蚀层的厚度对聚乙烯醇薄膜阻气性能的影响
- Effect of vibration of setup on the diffraction efficiency of methyl-red-doped polyvinyl alcohol film 系统振动对甲基红掺杂聚乙烯醇薄膜衍射效率的影响
- polyvinyl alcohol film 聚乙烯醇薄膜
- EXPERIMENTAL STUDY ON THE OPTICAL STORAGE PROPERTIES OF POLYVINYL ALCOHOL FILMS DOPED WITH METHYL RED DYES 甲基红染料掺杂的聚乙烯醇薄膜光存储特性的实验研究
- Based on casting and solvent evaporation method, the degradable PLA/PVA blend film was prepared with polylactic acid (PLA) and polyvinyl alcohol (PVA) as raw material. 摘要基于流延法和溶剂蒸发技术，以聚乳酸(PLA)和聚乙烯醇(PVA)为原料，制备可降解PLA/PVA共混膜。
- The film was prepared by adopting MIPs with Polyvinyl Alcohol(PVA), and researched the swelling property and the character of release entice cercariae(XF) in the water. 研究了这种印迹聚合物与聚乙烯醇(PVA)掺杂后所制膜的溶胀性及释放诱尾蚴剂(XF)的特性。
- This thesis is based on polyvinyl alcohol fibers (vinylon) reinforced mortar. 本文以聚乙烯醇纤维(即维纶)增强砂浆为基础进行研究。
- The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening. 聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
- When adulterated with polyvinyl alcohol(PVA),the fabricated film with good swelling property was formed which can suspend on water and slowly release XF(a chemical to be published). 以聚乙烯醇(PVA)掺杂,能制作出在水面悬浮且溶胀的膜,并可以缓慢释放出化学物质XF。
- The dichroic agent is polymetric iodine formed by impregnating an intially transparent plastic sheet of polyvinyl alcohol with iodine and heating. 其二向色剂是聚合磺，它是将透明的聚己烯醇塑料薄片在磺内浸渍后加热制成的。
- The preparation and the properties of polyvinyl alcohol spilled oil gelling agents on water surface. 聚乙烯醇系水面溢油凝油剂的制备与性能。
- The new usage of polyvinyl alcohol (PVA) in many industrial fields in recent years are presented. 摘要介绍了近年来聚乙烯醇产品在各个工业领域中的新用途，说明这种化工原料仍有广泛的使用价值。
- Dehydration behavior of polyvinyl alcohol glutaraldehyde hydrogel has been investigated in this paper. 本文对聚乙烯醇-戊二醛水凝胶的脱水行为进行了研究。
- The surfaces of wool single yarn are covered by soluble polyvinyl alcohol using friction spinning. 利用摩擦纺技术将可溶性维纶以一定包覆比包覆于毛单纱表面。
- Simultaneousl change flexility of the resin by introducing the melamine and the polyvinyl alcohol. 同时加入三聚氰胺和聚乙烯醇,以改变树脂的柔韧性。
- S. standards.Company product materials used Carbomer, sodium polyacrylate, polyvinyl alcohol penetration agent. 本公司产品辅料使用了卡波姆、聚丙烯酸钠、聚乙烯醇 促渗剂。
- The result showed that titanate modificator is better than siloxane and PVA (polyvinyl alcohol). 实验表明，钛酸酯的表面修饰效果优于聚乙烯醇和矽氧烷。
