氟化
- 名fluorination
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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
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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
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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
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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
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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 .
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有机物电化学氟化中HF的干燥
Dryness of HF in electrochemical fluorination of organism
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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 .
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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
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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
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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 .
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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
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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
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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 .
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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
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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
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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 .
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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 .
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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 .
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氟化MCM-41催化性能的研究
Studied on Catalytic Properties of F / MCM-41
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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 .
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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 .
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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
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混合氟化钡(BaF2)膜的微观结构
The microstructure of baf_2 mixed film
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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 .
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强辐照场下氟化铈(CeF3)的荧光特性
The fluorescence characteristic of cerium fluoride under strong irradiation field
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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
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阿尔可(ALCOA)氟化铝煅烧系统特征
The Characterization of ALCOA Aluminum Fluoride Calcining System
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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 .
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氟化铅(PbF2)薄膜的红外光学特性
IR optical character of PbF_2 film
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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 .