查询词典 fluoride

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Methods SH-SY5Y cells, a human neuroblastoma cell line, were incubated with different concentrations of fluoride for 48 hr and somle of them were treated with vitamin E precedently. The functional situation of cells was measured by MTT method; lipid peroxidation was detected by High-Performance Liquid Chromatography; phospholipid was separated by a Silica SepPak cartridge and neutral lipids by HPLC.

体外培养SH-SY5Y人脑神经母细胞瘤细胞，在培养液中加入不同浓度的氟化物或加入抗氧化剂，培养48h后用测定细胞MTT的方法来了解细胞的损伤程度，用高效液相色谱法分离和测定培养液中脂质过氧化物水平，用过柱和比色法测定细胞生物膜磷脂含量，用高效液相色谱法测定细胞生物膜辅酶Q和胆固醇含量。

Because of fluoride substitutions and quinoxaline structures, two new compounds are electron deficient. With alkyl substituted fluorenes, the two new compounds both have good solubility.

新的化合物因为含有氟取代基和喹喔啉结构使得整个分子呈缺电子状态，同时烷基取代的芴使得材料具有良好的溶解性。

Contaminant cations such as calcium,magnesium,barium,strontium,and radium and anions such as fluoride ,nitrate,fulvates,humates,arsenate,selenate,chromate ,and anioic complexs of uranium can be removed from water by using ion exchange or adsoption onto activiated alumina.

具有污染能力的像Ca，Mg，Ba，Sr，Ra的阳离子，和像氟化物，硝化物，黄酸物，腐质酸物，砷酸盐，硒酸盐和铬酸盐的负离子以及像铀一样的负离子复合物可以通过离子交换和离子吸附从水中排除。

Ion-selective electrode ; Semilogarithmic graph ; ISE analysis ; Fluoride ; Environmental monitoring

离子选择性电极；半对数图解；离子选择性电极分析法；氟；环境监测

Objective To observe the regulating effect of sex hormone levels on spermatogenic cell apoptosis in male rats exposed to fluoride.

目的 探讨性激素水平对染氟大鼠生精细胞凋亡的调节作用。

The results of MTT method In vitro culture renal tubular cells showed that the proliferous activity changed from sightly to dramatically intensed in response to fluoride concentration from 0.1mg/L to 15mg/L, but renal tubular cells proliferation obviously decreased in the 25mg F-/L group.

利用生物化学方法检测氧化应激指标，结果表明在钙营养充分的条件下，投氟100mg/L 16周大鼠肾组织GPX活性不是下降而是明显提高，脂质过氧化物变化不明显；低钙饲养条件下投氟100mg/L 16周大鼠抗氧化酶SOD活性亦有明显升高，而GPX却呈降低趋势。

Objective To compare the effect of glyceraldehydes with that of sodium fluoride to preserve glucose and lactic acid in whole blood specimens.

血中葡萄糖和乳酸测定是临床实验室的常规检测项目，对某些疾病的诊断、治疗、病情监测具有非常重要的临床意义。

Group I was the control ,and other four groups ,groupⅡ,Ⅲ,Ⅳ,Ⅴ were fed the diets containing 500,1 000,1 500,2 000 mg/kg of fluorine as sodium fluoride, respectively, for 150 days.

第 1组为对照组，第 2 ，3，4，5组在日粮中添加不同水平的氟化钠，使日粮中氟含量分别为 5 0 0 ，10 0 0 ，15 0 0 ，2 0 0 0 mg/kg，实验期 15 0 d。

Aim:To study the coordinate effect of two kinds of Surface Active Agent and sodium fluoride in vivo.

表面活性剂(Surface Active Agent，SAA)由于能降低表面自由能，近年来已被广泛地应用于控制菌斑和防龋［1，2］。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。