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1)  TCF topaz
TCF托帕石
1.
Ten colours of TCF topaz samples which are produced by Signity Hongkong Company Ltd.
选用升丽婷香港有限公司生产的橄榄绿色、绿色、蜜黄色、浅褐色、橙色、绿蓝色、蓝色、粉色、淡粉色、亮红色10种颜色的TCF托帕石作为研究对象,并结合市场上出现的辐照、扩散、镀膜处理托帕石作为对比,通过设计耐久性实验,对样品表面的耐久性进行了系统的分析研究。
2)  aquamarinl
蓝色托帕石
1.
In this paper,the Raman spectrum were used to study sapphire,dichroite,aquamarinl,topaz and kyanite,it is found that the characteristic Raman translocations of sapphire which are caused by Al-O vibration are 413cm-1,640cm-1 and 668cm-1,the characteristic Raman translocations of dichroite which are caused by Si-O vibration are 550cm-1,662cm-1,964cm-1and 1176cm-1,the characteris.
本文通过对蓝宝石、堇青石、蓝色托帕石、海蓝宝石和蓝晶石的拉曼光谱进行测试与研究,得到蓝宝石具有由Al-O振动引起的特征拉曼位移413cm-1,640cm-1和668cm-1;堇青石具有由Si-O振动引起的特征拉曼位移550cm-1,662cm-1,964cm-1和1176cm-1;海蓝宝石具有由Si-O振动引起的特征拉曼位移678cm-1,1064cm-1,1232cm-1;蓝色托帕石具有由Si-O振动引起的特征拉曼位移844cm-1和924cm-1;蓝晶石具有由Si-O引起的特征拉曼位移933cm-1和1133cm-1。
3)  coated-topaz
镀膜托帕石
1.
Three generations of the coated-topaz samples in different colors were conducted in a comprehensive and systematic analysis by conventional gemological testing, X-ray photoelectron spectroscopy tests, corrosion resistance experiment, heat treatment, the conclusion was summarized as follows:The gemological character was different between coated-topaz and natural topaz.
本文选取市场上出现的不同颜色的三代镀膜托帕石样品,通过常规宝石学测试、X光电子能谱的宽谱和窄谱的测试对镀膜托帕石样品的膜层进行了全面而系统地分析研究,并进一步探讨了不同颜色镀膜托帕石的颜色成因。
4)  natural blue topaz
天然蓝色托帕石
1.
The results show that the UV fluorescences of the natural blue topazs are strong to very weak, and those of the irradiated blue topazs are very weak or even no fluorescences.
用标准的珠宝鉴定紫外灯(波长为365nm和254nm)对天然蓝色和无色以及辐照处理蓝色托帕石样品进行测试发现,天然蓝色托帕石的紫外荧光强度从强到弱,变化较大,而各种辐照处理蓝色托帕石的紫外荧光强度均微弱甚至不显现。
5)  ECF
TCF
1.
ECF and TCF Bleaching: Development Trend in Pulping Industry;
ECF和TCF漂白是造纸工业可持续发展的方向
2.
Oxygen delignification, strengthened oxygen delignification, TCF and ECF high brightness bleaching of triploid of populus tomentosa of NaOH-AQ pulp with lower kappa was studied in lab, which would offer support for producing high quality chemical pulps in technology and mechanisms.
本论文以三倍体毛白杨为研究对象,利用简单预处理技术和常规蒸煮相结合的方法制备低硬度NaOH-AQ浆,并对该浆的氧脱木素、强化氧脱木素、TCF、ECF高白度漂白进行了实验研究,为利用三倍体毛白杨生产更高质量的化学浆提供技术支持和理论依据。
6)  irradiated blue topaz
辐照处理蓝色托帕石
1.
The natural blue, colourless topazs and irradiated blue topaz are tested by using UV lamp (λ=365, 254 nm).
用标准的珠宝鉴定紫外灯(波长为365nm和254nm)对天然蓝色和无色以及辐照处理蓝色托帕石样品进行测试发现,天然蓝色托帕石的紫外荧光强度从强到弱,变化较大,而各种辐照处理蓝色托帕石的紫外荧光强度均微弱甚至不显现。
补充资料:TCF
结构式:ClCOOCCl3    分子式:C2Cl4O2    相对分子量:197.85    CAS:503-38-8
    纯品为无色透明液体,具有刺激性气味,剧毒。相对密度d144=1.653,沸点127.5-128℃,20℃时蒸汽压为1.33kPa,熔点-57℃。在40℃下存放40天不分解,在100℃下放3天分解10%。在高温下,双光气能很快与水反应生成盐酸和二氧化碳,在碱的催化下分解速度加快。
    用途:氯甲酸三氯甲酯可用于合成多种医药中间体,如氧哌嗪青霉素、头孢哌酮、阿洛西林、美洛西林等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条