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The optimal measuring conditions were investigated. The results indicated that the catalytic reaction to Pt and bromocresol purple was the first-order reaction. The apparent activation energy was 217.4kJ/mol and the maximum absorption wavelength of fading reaction was at 434 nm. The linear range of Pt was 0.16-4.0μg/L and the detection limit was 2.5×10^(-11)g/mL. Most of common ions had no interference with the determination, while ten multiples of Ru, Rh and Os had interference with the determination of Pt. Therefore.

选择了最佳测定条件，实验结果表明，催化反应对铂和溴甲酚紫为一级反应，反应的表观活化能为217.4kJ/mol，褪色反应的最大吸收波长为434nm，方法测定R哪的线性范围为0.16~4.0μg／L，检出限为2.5×10^(-11)g/mL，大多数常见离子不干扰测定，10倍以上的Ru，Rh和Os对测定有干扰，可在测定前分离除去。

The degree of butyryl substitution of CAB increased and the degree of acetyl substitution of CAB decreased as the butyryl mol content in the reaction system increased.

制备得到的纤维素醋酸丁酸酯的丁酯取代度最高可达2.53，乙酯取代度最高可达2.98。

Here we investigate the effects of 17 β-estradiol (10〓～10〓mol/L) on the proliferation and differentiation of newborn rat calvaria osteoblastic cell.

对体外培养的成骨细胞施以不同剂量的17β-雌二醇，3天后通过细胞计数、〓—胸苷掺合、细胞定量后测定骨钙素及碱性磷酸酶的量观察对增殖和分化的影响。

Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.

反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象（本实验所测极值为-407cm〓·mol〓，这使得水解动力学参数对反应压力存在敏感依赖关系。

Cotton and silk fabrics were dyed with natural carminic acid after the Iron ion pre-mordant treatment. The K/S values of the fabrics were characterized. The single factor process experiments were carried out for mordant concentration, temperature and time. The optimal process parameters were mordant concentration cotton: 1×10^(-3mol/L and 10 min at 90℃; silk: 1×10^(-3)mol/L and 10 min at 40℃.

将铁离子前媒染处理后的棉、丝织物采用天然染料胭脂虫酸进行染色，以染色织物的K/S值进行表征，对媒染剂浓度、温度、时间3个因素进行了单因素工艺实验，得到了铁离子前媒染棉、丝织物的最佳工艺参数（棉：1×10^(-3)mol/L， 90℃，10分钟；丝：1×10^(-3)mol/L， 40℃，10分钟）。

Cobalt oxide cathodically deposited from Co(NO3)2 solution with carbon nanotubes as matrix exhibited large pseudo-capacitance of 322 F·g－1 in 6 mol·L－1 KOH.

采用碳纳米管作为电极基体，在其表面均匀的沉积了纳米氧化钴颗粒并由此制备了氧化钴碳纳米管复合电极材料，其比容量达到322 F·g-1。

A novel type of composite electrode based on multiwalled carbon nanotubes coated with sheet-like cobalt hydroxide particles was used in supercapacitors. Cobalt hydroxide cathodically deposited from Co(NO3)2 solution with carbon nanotubes as matrix exhibited large pseudo-capacitance of 322 F/g in 1 mol/L KOH.

采用电化学阴极沉积还原Co(NO3)2的方法制备了具有准电容特性的氧化钴电极材料，其比容量达到280 F／g，采用CNTs作为电极基体，在其表面均匀的沉积了纳米钴化镍颗粒并由此制备了氧化钴碳纳米管复合电极材料。

The deposition speed of Fe powder was mainly influenced by current ,initial catholyte pH and mol-ratio of Fe and EDTA.

实验结果表明，电流、阴极电解液初始pH值和Fe/EDTA摩尔比对粉末铁析出速率影响较大，粉末铁电解析出的适宜条件是电解电流为1.0 A、阴极电解液初始pH值为5.6、阴极电解液Fe/EDTA摩尔比足够高。

The catalyst prepared by impregnating SBA-15 in solution of 0.1 mol/L ceric sulfate and being calcined at 300℃ for 3h showed best catalytic activity in synthesis of n-butyl acetate.

用0.1 mol/L的硫酸高铈浸渍SBA-15，焙烧温度为300℃，焙烧时间3h，通过乙酸正丁酯的合成反应考察催化剂Ce-SBA-15的制备，酯化率为95.7%。

Methods: CD34(superscript +) cells from fetal liver were isolated with a magnetic cell sorting kit and were cultured. Cells pretreated with or without protein kinase C inhibitor chelerythrine chloride (3 μmol/L) were induced by 5 ×10^(-7)mol/L tretinoin for 24 h, and then incubated in serum-free medium. Expressions of genes in treated cells were assayed by Western blotting and RT-PCR.

采用免疫磁珠法分离人胎肝CD34细胞，培养4d后，蛋白激酶C特异抑制剂chelerythrine chloride(3μmol/L)处理24h，再加入维A酸处理24h5×10^(-7mol/L，无血清培养基培养5d，Western印迹和半定量RT-PCR法分析维A酸处理前后神经特异基因表达。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。