二氧化硒

èr yǎng huà xī
  • selenium dioxide
二氧化硒二氧化硒
二氧化硒[èr yǎng huà xī]
  1. 中和法测定工业二氧化硒中SeO2的含量

    Determination of SeO_2 Amount in Industrial Selenium Dioxide Using Neutralization

  2. 76例急性二氧化硒气体中毒的急救及护理

    First aid and nursing care of 76 patients with acute poisoning of selenium dioxide

  3. 二氧化硒对肺癌细胞株GLC-82端粒酶活性的影响

    Effect of SeO_2 on telomerase activity in human lung carcinoma cell line GLC-82

  4. 目的研究二氧化硒诱导肺腺癌细胞系SPCA-1细胞凋亡;

    Objective To study apoptosis of lung cancer SPCA-1 cells induced by selenium dioxide .

  5. 二氧化硒诱导SPCA-1细胞的凋亡具有浓度依赖性;

    SPCA-1 cells apoptotic percentage induced by selenium dioxide was enhanced in concentration-dependent pattern ;

  6. 二氧化硒低浓度时阻滞SPCA-1细胞于S期,高浓度时选择性诱导S期细胞凋亡;琼脂糖凝胶电泳显示典型的凋亡细胞生化特征;

    SPCA-1 S phase cells were arrested in lower concentration of selenium dioxide at S phase , while higher concentration induced apoptosis selectively ;

  7. 立体选择性串联反应与二氧化硒催化的缩合反应的研究

    Studies Toward the Stereoselective Tandem Reactions and Selenium Dioxide Catalyzed Condensations

  8. 本文论述的第一个内容是二氧化硒催化的缩合反应。

    The first part of this dissertation is devoted to the study of selenium dioxide catalyzed condensation reactions .

  9. 三氧化铬、活性二氧化锰、二氧化硒、氧气催化氧化伞花烃的对比研究

    Study on the Oxidation of p Cymene by Chromium Trioxide , Active Manganese Dioxide , Selenium Dioxide and Oxygen

  10. 二氧化硒对人耐顺铂卵巢癌裸鼠皮下移植瘤作用的实验研究

    The Research of the Effect of Combination of Selenium Dioxide and Cisplatin on the Human Ovarian Cancer Cells Xenografts in Nude Mice

  11. 目前研究的氧化方法有高锰酸钾氧化、环氧化、四醋酸铅氧化、臭氧氧化、光敏氧化和二氧化硒氧化等。

    β - Pinene could be oxidated by potassium permanganate , epoxidation , lead tetraacetate , ozone , sensitized photooxidation and selenium dioxide .

  12. 成本太高:主要是由于合成中所用原料和试剂的价格偏高所引起,如二氧化硒、二甲亚砜等。

    High cost : The problem was caused by the price of the materials and the reagents such as selenium dioxide 、 dimethylsulfoxide .

  13. 在化学反应中,二氧化硒作为温和的氧化剂,可以将羟基、甲基等基团氧化为醛基,而本身被还原为硒,成为废弃物。

    In chemical reaction , dioxide selenium , as gentle oxidant , can oxidized some group , such as hydroxide , methyl to aldehyde group , and was reduced to selenium itself .

  14. 对急性二氧化硒中毒所致肝细胞线粒体损伤进行时间形态学定量研究,以发现其敏感时间点,为临床合理地使用硒制剂提供基础资料。

    The aim of present study of the relationship between hepatocyte mitochondria morphological variety time on mice following SeO 2 & Poisoning was to determine the sensitive time distribution spot for rational usage selenium in clinic .

  15. 结合氯化亚锡法,萃取法用于二氧化硒样品中对碲的萃取分离和测定,获得良好结果。

    By the combination of the extraction with P_ ( 350 ) and the stannous chloride method for the extractive separation and the determination of tellurium in the sample of crude selenious oxide , satisfactory results were obtained .