氟化

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  • fluorination
氟化氟化
  1. 硅酸盐和金属氧化物矿物氧同位素组成的CO2激光氟化分析

    Oxygen Isotope Analysis of Silicate and Metal Oxide Minerals by CO_2 Laser Fluorination

  2. 涤纶膜(PET)表面的氟化处理及其结构的XPS研究

    An Investigation of the Fluorination of PET Surface and Structures of PET Treated by Fluorocarbon Plasma

  3. 氟化钠与小牛胸腺DNA直接结合作用的研究

    The study on the direct combining effect of sodium fluoride with calf thymus DNA

  4. 氟化氢对植物叶片中SOD酶活力和MDA含量的影响

    Effect of HF on activity of superoxide dismutase and concentration of MDA in plants

  5. 本方法选择性高,对于Mn(Ⅱ)的干扰可通过加入氟化钾来消除。

    The interference of Mn (ⅱ) has been shown to be eliminated by adding potassium fluoride .

  6. 有机物电化学氟化中HF的干燥

    Dryness of HF in electrochemical fluorination of organism

  7. 氟化锂(LiF)热释光探测器对带电粒子的响应主要依赖于粒子的传能线密度(LET)。

    Response of LiF thermoluminescence ( TL ) detector to charged particle is dependent on particles ' LET .

  8. 六氟化硫(SF6)示踪法测定反刍动物甲烷排放的技术

    Measurement of Methane Emissions from Ruminant Livestock Using SF_6 Tracer Technique

  9. EDTA滴定法测定冰晶石及氟化铝中的铝

    Determination of Aluminium in the Cryolite and Aluminium Fluoride by EDTA Titrimetry

  10. 结论氟对成骨细胞的增殖与分化具有双向作用;维生素C能拮抗较高浓度氟化钠对成骨细胞增殖分化的抑制。

    Conclusion Fluoride had a two-phase effect on osteoblasts , vitamin C could antagonize the inhibitory effect of higher concentration of fluoride on proliferation and differentiation of osteoblasts .

  11. Gd2O3-NH4HF2系制备氟化钆机制及工艺研究

    Craft of Preparing Gadolinium Fluoride in Gd_2O_3-NH_4HF_2

  12. 制备CFC替代品氟化催化剂的XPS研究

    The XPS study of fluorination catalyst for preparation of CFC alternatives

  13. PTH升高参与氟中毒大鼠骨转换的整个过程,可以作为氟中毒的敏感指标应用;氟化钠对大鼠CT分泌影响不明显;

    The increased PTH is involved in bone turnover in fluorosis and can be used as sensitive index .

  14. 我国温室气体监测用四氟化碳(CF4)标准气体研究现状

    Research Current Situation of the Carbon Tetrafluoride Calibration Gas for Greenhouse Gas Control of Our Country

  15. 使用CHF3/C6H6ECR等离子体沉积的氟化非晶碳薄膜的结构与性能

    Structure and Properties of a-C ; F Films Deposited by CHF_3 / C_6H_6 ECR Plasmas

  16. 过量氟化钠和偏食都能造成实验大鼠肥大细胞区ALP、LDH、CK和GOT的比活性明显增加;

    Both monotonous diet and over-fluoride diet can significantly increase the enzyme specific activity of ALP , LDH , CK and GOT .

  17. 在外极管式电容偶合辉光放电装置中,进行了聚乙烯的四氟化碳(CF4)等离子体表面氟化。

    Surface fluorination of polyethylene with CF_4 plasma was carried out in a capacitivelycoupled tubular reactor with external electrodes .

  18. 研究了利用表面氟化技术制作PMMA聚合物光纤包层的可行性。

    The feasibility to use surface fluorination technology in the formation of the cladding of PMMA POF is studied .

  19. 氟化MCM-41催化性能的研究

    Studied on Catalytic Properties of F / MCM-41

  20. 以紫外吸收光谱法测定了氟化钠(NaF)与不同类型DNA的直接结合作用。

    The direct combination of sodium fluoride ( NaF ) to the different types of DNA was investigated using UV absorption spectrometry .

  21. 通过热氧化氟化锌(ZnF2)薄膜的方法制备出氟掺杂的多晶ZnO薄膜,ZnF2薄膜是利用电子束蒸发方法沉积在Si(100)衬底得到的。

    F-passivated ZnO nanocrystalline films were prepared from thermal oxidation of ZnF_2 films . The ZnF_2 films were deposited on a Si wafer by electron beam evaporation technique .

  22. 氟化钠对乳鼠成骨细胞c-fos、c-jun基因表达及细胞增殖的影响

    Effects of fluoride on the expression of c-fos and c - jun genes and cell proliferation of rat osteoblasts

  23. 混合氟化钡(BaF2)膜的微观结构

    The microstructure of baf_2 mixed film

  24. 研究了反应时间、BF3(三氟化硼)加入量和Al2O3(氧化铝)预处理温度对BF3修饰Al2O3表面的影响。

    The effect of contact time , BF-3 and pretreatment temperature of Al-2O-3 were studied .

  25. 强辐照场下氟化铈(CeF3)的荧光特性

    The fluorescence characteristic of cerium fluoride under strong irradiation field

  26. 氟化物体系中老化方式对合成MCM-22分子筛的影响

    Effect of Aging Method on the Synthesis of MCM-22 Zeolite in Fluoride System

  27. 阿尔可(ALCOA)氟化铝煅烧系统特征

    The Characterization of ALCOA Aluminum Fluoride Calcining System

  28. 利用激光等离子体软X射线为激励源,首次观察到离子性氟化氩准分子在125nm附近的真空紫外辐射,其实验结果与理论计算值符合很好。

    Vacuum ultraviolet radiation from argon fluoride ionic excimer excited by x ray from laser producd plasma was observed near 125 nm for the first time . The experimental results are coincident with the calculated ones .

  29. 氟化铅(PbF2)薄膜的红外光学特性

    IR optical character of PbF_2 film

  30. 扫描电镜(SEM)、电子探针分别观察和分析激光加氟化钠组、激光组、氟化钠组、空白组(不处理)牙釉质表面超微结构及牙釉质内部氟离子分布水平。

    Surface ultrastructure and fluoride distribution of enamel in laser-NaF treated group , laser treated group , NaF treated group and control group were observed by scanning electron microscope ( SEM ) and electron probe microanalyzer .