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In the dynamic experiment of wet air oxidation of phenol with pelletized Ru/ZrO2-CeO2, phenol and COD reduction was maintained at 96% during 110 h of reaction. The concentration of the main intermediates was small. In the experiment of catalytic wet air oxidation of phenol, the leaching concentration of active species was small. There were small amounts of carbonaceous deposits on the surface of the used catalysts, and the carbonaceous deposits can be completely oxidized at 300℃.
在110h的催化湿式氧化苯酚反应中,苯酚和COD的去除率维持在96%左右,反应过程中活性组分的溶出浓度很小,催化剂表面有少量的积炭,但积炭在300℃能够被完全氧化。
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The adding of anatase nano-crystalline TiO_2 to the deposition solution accelerates the depositing of TiO_2 articles from the deposition solution on the silica glass fiber. A well-combined and durable TiO_2 thin film on silica glass fibers surface obtained by controlling the deposition temperature, deposition time, deposition cycles, concentration of the deposition solution, relative concentration of the deposition materials, pH value of the deposition solution. The effect of the deposition conditions, the drying conditions and the annealing treatment conditions on the surface morphology, section morphology, growth patterns, thickness of the deposited TiO_2 thin films were investigated. Growth rate and particle size of the thin films were controlled by the deposition conditions.
实验结果表明加入微量的锐钛矿型纳米TiO_2诱导晶可以使沉积液中析出的TiO_2粒子更大程度的以锐钛矿型纳米TiO_2粒子的形式析出;通过对沉积温度、沉积液中组分浓度及相对浓度、沉积溶液的pH值的调节与控制,从而控制沉积溶液中化学反应平衡的移动,研究了以上条件对沉积速率、沉积溶液中[Ti6]2–与—OH、[Ti6]2–之间的脱水聚合反应速率的影响,总结出了获得均匀致密质量较好的TiO_2薄膜的一系列实验参数,并对薄膜的生长模式进行了系统的分析研究;通过对沉积时间及沉积次数的分析,可以有效的控制TiO_2薄膜的厚度及质量;通过对薄膜的干燥条件及热处理条件的控制,可以使利用液相沉积法获得的TiO_2薄膜进一步晶化;并分析了对薄膜引起缺陷的主要原因。
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METHODS:The minimum inhibitory concentration and the minimum bactericidal concentration of tinidazole lotion were m easured using tube culture test in vitro.In vivo effect of tinidazole lotion on trichomonas vaginalis were studied with the model of trichomonas vaginalis in ra bbits.
采用肉汤试管稀释法测定抗厌氧菌的MIC及MBC;采用家兔阴道感染人阴道滴虫的模型,观察其抗阴道毛滴虫的作用。
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Devise a pair of primer to put out the section of pgE which code the dense antigen episode, clone into pET-32a, name the masculine plasmid with pET-32pgE. Transform the BL21 strain with pET-32pgE, choose several single bacterium drops at random and contaminate 2X YT. vibrate at 37癈 over night. Contaminate another tube with the above culture to the final concentration of 2%, continue to culture to OD6oo0.6, add IPTG to the final concentration of Immol/L. inducing 6 hours. Analyse the expression with SDS-PAGE and Western-blot, the result is that the expression has actually happened and the product has immunoreactivity.
设计一对引物从gE全基因克隆载体pgE中调出抗原决定簇密集编码区,克隆进PET-32a表达载体,双酶切和PCR鉴定出阳性者,命名为PET-32pgE,转化BL21菌株,挑取单菌落在加有氨苄的2×YT培养基中37℃过夜长至饱和,按2%体积转种另一管,培养至OD_(600)为0.6,加IPTG至终浓度1mmol/l,诱导4~6小时,SDS-PAGE和Westernblot分析,证明确实表达并具有免疫反应性。
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The results showed that the different concentration of strain 153 spore suspension promoted seed germination and bud growth. Moreover, actinomycetes 153 could stimulate growth of tomato and eggplant. The fresh weight and dry weight of the plants which treated by different concentration of strain 153 spore suspension were increased by 114.69%, 99.75% and 124.06%, 96.60% respectively.
结果表明,不同菌液浓度的153发酵菌液对种子萌发和芽的生长均具有促进作用,且对植株的生长性状有明显的影响,对植株鲜质量和干质量的影响最显著,鲜质量和干质量分别比对照增加114.69%、99.75%和124.06%、96.60%。
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It was found that the oxidation extent of TiN film enhanced with the heat treatment temperature increased. The concentration of N decreased but the concentration of O increased when the temperature increase. O atoms entered the TiN crystal lattice and fcc TiN_xO_y structure with smaller lattice constant appeared.
研究结果表明,随着热处理温度的升高,TiN薄膜的氧化程度逐渐增大,热处理后生成的薄膜中N的含量逐渐减少,O的含量逐渐升高。O掺入到TiN的晶格结构中,生成晶格常数较小的TiO_xN_y面心立方结构。
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Through shake flask fermentation, the effects of microwave radiation, the exogenous gentamicin concentration, concentration of NaCl and some other factors on the secretion of gentamicin were studied.
研究了外加抗生素、胞外庆大霉素浓度、微波处理、培养基中氯化钠浓度等因素对于细菌庆大霉素分泌的影响。
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To determine the optimum degradation condition of Marine Sulfated Polysaccharide 916,taking the yield of molecular as marker,orthogonal test was used to evaluate the influence of 3 factors,including the concentration of H2O2 solution,the reaction time and the concentration of material.
以分子量为考查指标,采用正交实验法研究了海洋硫酸多糖916的氧化降解最佳条件。
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Compared with the control group, the concentration of IFN-γ, of rats in mental stress group is higher significantly (P<0.05) than that in the control group, but the concentration of IL-4 has no change.
与对照组相比,心理应激组大鼠血清中细胞因子IFN-γ的含量显著高于对照组(P<0.05),但细胞因子IL-4的含量无变化(P>0.05)。
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Some data about apparent solubility product of Mo and Zr precipitates have been determined in 1.0, 2.0, and 3.0 mol/L HNO 3 solutions. The effects of different concentration of nitric acid and initial concentration of Mo and Zr on the apparent solubility product are also investigated.
实验还测定了 1 0 ,2 0 ,3 0mol/L硝酸溶液中钼锆沉淀的表观溶度积K′sp,讨论了硝酸浓度、钼锆初始浓度对表观溶度积的影响。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。