氰酸盐

qínɡ suān yán
  • cyanate
氰酸盐氰酸盐
  1. 在吐温-20存在下硫氰酸盐罗丹明B荧光淬灭法测定微量钼的研究

    Study on Thiocyanate-RhB-Tween-20 Fluorimetric Quenching Method for Determination of Microamount Molybdenum

  2. 铜(Ⅰ)-硫氰酸盐-丁基罗丹明B体系高灵敏度显色反应研究及其应用

    Study and application of the high-sensitive color reaction of copper (ⅰ) with thiocyanate and butyl-Rhodamine B

  3. 共振光散射法测定汞-硫氰酸盐-罗丹明B体系中的汞

    Determination of Mercury ( II ) with Mercury ( II ) - thiocyanate-rhodamine B by Resonance Light-scattering Method

  4. 三元配合物光度法测定铜的研究&铜-硫氰酸盐-罗丹明B显色反应及应用

    A Study on Determining Copper with Ternary Complex Spectrophotometry ─ Chromogenic Reaction of Cu (ⅰ) - SCN ~ & RHB and its Application

  5. 结果表明:在烟雾环境中,人群唾液硫氰酸盐含量明显高于在清净环境中人群唾液硫氰酸盐含量(P<0.01)。

    The results showed that the saliva thiocyanate in smoking environment was higher than that in non smoking environment ( P < 0 01 ) .

  6. 讨论了钒(V)-硫氰酸盐-结晶紫-阿拉伯树胶体系的反应条件和分析特性。

    The reaction conditions and analytical characteristics of the system of vanadium ( V ) - thiocyanate-Crystal violet-arabic gum were studied in detail .

  7. 用分配法研究铀(VI)与硫氰酸盐配合物的稳定性常数测定

    Determination of stability constants of the complexes of uranium ( vi ) with thiocyanate by partition method

  8. 研究了在非离子微乳液介质中,硫氰酸盐罗丹明B明胶体系分光光度法测定微量硒的方法。

    A new procedure sensitized by non-ion microemulsion for determination of trace Se (ⅳ) based on its color reaction with thiocyanate and rhodamine B was proposed in the presence of gelatine .

  9. 研究了有硫氰酸盐存在下用MIBK(甲基异丁基酮)萃取Pd(Ⅱ);

    The extraction of Pd (ⅱ) - thiocyanate complex with MIBK ( methyl-isobutyl-ketone ) was investigated .

  10. 当水力停留时间为115小时时,SBR法中生物处理方法使得COD的去除率达到85%,硫氰酸盐去除率达到98%和酚类物质的去除率达到99%。

    The biological treatment in the SBR led to removal efficiencies of85 % COD , 98 % thiocyanate and99 % phenols for HRT of115 h.

  11. 硫氰酸盐-维多利亚蓝4R光度法测定铀

    Spectrophotometric Determination of Uranium with Thiocyanate and Victoria Blue 4R

  12. 报道了分光光度法测定痕量汞的一种新方法。在聚乙烯醇存在下,汞(II)与硫氰酸盐和丁基罗丹明B形成多元离子缔合物,且稳定。

    The paper present a new spectrophotometric method for the determination of trace Hg ( II ), in polyvinyl alcohol solution thiocyanate and butyl rhodamine B produce multi ionic associated substance with Hg ( II ) .

  13. 本课题组前期研究已经证实VEGF在职业哮喘诱发因素甲苯二异氰酸盐(TDI),屋尘螨以及过氧化氢等能够导致HBE通透性增高的过程中发挥重要作用。

    Our previous studies have proved that VEGF plays an important role in occupational toluene diisocyanate ( TDI ) induced permeability of AEC .

  14. 汞(Ⅱ)-硫氰酸盐-维多利亚蓝4R体系的共振发光和二级散射光谱及其分析应用

    Spectra of Resonant Luminescence and Double Scattering of Mercury (ⅱ) - Thiocyanate-Victoria Blue 4R System and Their Analytical Application

  15. 钼(Ⅵ)和钼(Ⅴ)与硫氰酸盐及维多利亚蓝4R在水溶液中显色反应及其应用

    Colour Reactions of Molybdenum (ⅵ) and Molybdenum (ⅴ) with Thiocyanate and Victoria Blue 4R in Aqueous Solution and Their Application

  16. 目的探讨对西兰花中葡萄糖异硫氰酸盐(glucosinolates,GS)诱导人胃腺癌SGC-7901细胞凋亡的作用及其可能机制。

    Objective To investigate the effect of glucosinolates ( GS ) in broccoli on apoptosis of human gastric adenoma cells SGC-7901 and its possible mechanism .

  17. 介绍了以溴甲酚绿为指示剂,用氢氧化钠滴定游离硝酸,然后在醋酸-醋酸钠缓冲溶液中以EDTA络合滴定铜(),再用铁铵矾为指示剂,在稀硝酸介质中以硫氰酸盐滴定银。

    In the silver electrolyte , free nitric acid was titrated with sodium hydroxide used bromcresol green as indicator . Copper was determined by EDTA compleximetry in the Hac-NaAc buffering solution .

  18. 在硫氰酸盐的存在下,用甲基异丁酮(MIBK)萃取钨和钼的硫氰酸络合物,然后直接将有机相导入ICP进行测定。

    Tungsten and molybdenum are complexed with thiocyanate , it is extracted with MIBK and followed by determination with ICP-AES by introducing the extract directly into plasma .

  19. 在聚乙烯醇(PVA)存在下,铌与硫氰酸盐形成配阴离子,再与罗丹明B阳离子形成能稳定3h的离子缔合物,可直接在水相中光度法测定Nb。

    In the present of polyvinyl alcohol ( PAV ), niobium forms a complex anion with thiocyanate and then forms a stable ion_ associated complex with rhodamine B. Based on this reaction , Nb can be determined directly in aqueous phase by spectrophotometry .

  20. 目的通过正常健康人群尿硫氰酸盐(urinarythiocyanate,USCN)水平的研究,确定其正常参考值范围,并在丙烯腈(acrylonitrile,ANC)接触工人的职业健康监护中加以应用,以验证其有效性。

    Objective After studying the reference value of urinary thiocyanate ( USCN ), to apply and verify its effectiveness in occupational surveillance of workers exposed to acrylonitrile ( ACN ) .

  21. 目的:本研究检测了过氧化物酶系统(乳过氧化物酶LP,过氧化氢H2O2,硫氰酸盐SCN-)及其各组份对变链菌葡糖基转移酶D(GtfD)的作用。

    Objective : To investigate the effects of the lactoperoxidase system ( LP , H 2O 2 , SCN - ) and its components on the activity of glucosyltransferase D ( GtfD ) originating from S. mutans .

  22. 研究了在表面活性剂存在下,钒(V)与硫氰酸盐和结晶紫、孔雀绿、灿烂绿、甲基紫及维多利亚蓝4R等碱性三芳基甲烷染料形成离子缔合物的显色反应。

    The colour reactions of the vanadium ( V ) with thiocyanate and basic triarylmethane dyes such as crystal violet , malachite green , brilliant green , methyl violet and victoria blue 4R in the presence of some surface active agents in aqueous solution were investigated .

  23. 采用简单的水溶液浸泡方法,利用铜薄膜与硫氰酸盐溶液的固-液界面反应在铜薄膜上原位制备CuSCN薄膜。

    A simple aqueous solution dipping method is developed for in situ growing CuSCN films on Cu electrodes through liquid-solid interface reactions between thiocyanate salt solutions and Cu films .

  24. 本文用硫氰酸盐碱性解吸剂对353E型载金树脂的解吸规律进行了研究,并绘制了解吸曲线.试验金解吸率大于99%。

    This theds mainly made a study on regularity of the desorption of 353E gold-loaded resin by alkaline desorbent of rhodanate . Based on this , a desorption curve was plotted . The Sold desorption rats in the tot was over 99 percent .

  25. 硫氰酸盐光度法测定铼酸铵中的钼

    To measure molybdenum content in rhenate ammonium with thiocyanate photometric method

  26. 硫氰酸盐耐尔蓝萃取浮选光度法测定微量金

    Flotation - Spectrophotometric Determination of Gold with Thiocyanate and Nile Blue

  27. 硫氰酸盐洗脱法测定噬菌体抗体的相对亲和力

    Relative affinity measurement of phage antibodies by ELISA using thiocyanate elution

  28. 稀土异硫氰酸盐与二环己基-24-冠-8配合物的合成及性质研究

    Synthesis and Characteristics of the Complexes of Lanthanide Thiocyanates and DCH-24-C-8

  29. 溴&硫氰酸盐体系浸取硫化矿中的金

    Leaching Gold from Sulfide Ore by the System of Bromine and Thiocyanate

  30. 二氯化锡还原-硫氰酸盐快速光度法测定钢中钨

    Rapid spectrophotometric determination of tungsten in steel with tin dichloride reduction thiocyanate