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As a result, electrostatic interactions and hydrogen bond were identified to contribute to the affinity interaction, while hydrophobic interaction contributed little. Moreover, the importance of electrostatic interactions and hydrogen bond to the affinity changed with pH value.The effect of rate of mobile phase on the retention of insulin was researched and the dynamic adsorption isotherm was got by analyzing the breakthrough data with Langmuir equation.

通过调节流动相的pH值和离子强度,并使用尿素和乙二醇分别对吸附蛋白进行洗脱,详细研究了吸附效果最好的目标蛋白质与肽配基之间的亲和吸附机理,发现静电作用和氢键是二者之间产生亲和吸附的主要作用力,而疏水相互作用对该亲和几乎没有贡献。

Each starch reagent has its own mode of action on mineral surface, such as primary starch mainly by hydrogen bond, cationic starch by the co-action of hydrogen bond and electrostatic force (for minerals with negative charge on its surface), while carboxymethyl starch, hydroxamic acid starch and dialdehyde starch principally by chemical force accompanied with hydrogen bond and electrostatic force in part. Such chemical forces ensure the close adsorption of reagent on diaspore surface and enforces the hydrophilic of mineral surface. Also the branched chain enable the starch to cover the collector adsorbed on mineral surface, so as to depress diaspore furthermore.

不同淀粉药剂在矿物表面表现不同作用,原淀粉主要是氢键的作用,阳离子淀粉是氢键和静电力的共同作用,羧甲基淀粉、羟肟酸淀粉和双醛淀粉离子性药剂与矿物间的作用除了氢键、静电力外,更重要的是与矿物表面金属离子间产生的化学作用,使药剂能牢固地吸附在一水硬铝石矿物表面,增加矿物表面的亲水性,同时,淀粉支链结构的存在,使它能够掩盖吸附的捕收剂,达到抑制一水硬铝石的目的。

The flotation mechanism of MG reverse-floating dolomite was studied by measuring the Zeta-potential of collophanite and dolomite, Infrared Absorptions Spectra analysing the adsorption of MG onto the minerals surface, ultraviolet- visible light absorbing spectrum calculating the amount of MG which was adsorbed onto the minerals surface. These researches showed that MG was more easyly adsorded onto the surface of dolomite in feeble acidic solution because of pure dolomite charges positive as well as pure collophanite charges negative. Therefore, a lot of MG negative ions was adsorded onto dolomite, and that MG negative ions contained hydrophobic group, the hydrophobicity of dolomite was modified, the grains of dolomite were adhered to air bubble and float with them.

对白云石和胶磷矿的Zeta-电位测定、红外光谱分析MG药剂在矿物上面的吸附情况、紫外-可见吸收光谱测定矿物上MG的吸附量等,研究了MG药剂反浮选白云石的浮选作用机理,表明在弱酸性条件下,由于白云石表面荷正电而胶磷矿表面荷负电,带有羧基和羟基官能团的MG药剂更容易吸附在白云石上,使其周围吸附有大量的MG负离子,而MG负离子的另一端为烃基,这就改变了白云石的疏水性,使其矿粒容易附着于气泡上浮。

Based on theoretical calculation of electronegativity of groups offlotation-reagent and method of infra-red adsorption spectroscopy, the collection andadsorption of α-nitroso-β-naphthol in hematite flotation have been studied. The chemicaladsorption seems to be predominant owing to formation of pentacyclic nitrosyl chelate com-pound by atoms of nitrosyl bond in α-nitroso-β-naphthol together with Fe~(3+) on hematitesurface.

研究了α-亚硝基β-萘酚对赤铁矿的捕收性能及吸附规律,导出了吸附方程和吸附速率方程用药剂基团电负性理论计算以及红外吸收光谱法论述了其作用机理α-亚硝基β—萘酚主要是以N O键合原子与赤铁矿表面的Fe形成N O五元环螯合物而化学吸附。

In NaY supercage, adsorption of thiophene by p-electronic interaction reaches its balance earlier and adsorption of thiophen via pore-filling mechanism reaches its balance later.

温度为373K时,每个NaY超笼内,通过p电子作用吸附的噻吩分子是0.67个,通过孔填充作用吸附的噻吩分子是4.50个。

Adsorption by mineral components and active carbon in fly ash, coagulation and settlement, electrolytical agglomeration, aid-coagulation by silicic acid and increase of BET were the main mechanisms of phosphate and chroma removal with modified fly ash.

改性粉煤灰的除磷、脱色机理是粉煤灰中矿物成分和活性炭的吸附、混凝沉淀作用以及电解质的脱稳凝聚作用、硅酸凝胶的助凝作用以及改性后比表面积增加吸附能力提高等因素的综合效应。

By analyzing the crystal structure of ilmenorutile and the infrared spectrums of ilmenorutile reacted before and after with alkylhydroxyoximate, the adsorption form between ilmenorutile and alkylhydroxyoximate can be proved to be chemical adsorption.

通过铌铁金红石晶体结构和铌铁金红石与烷基羟肟酸盐作用前后红外光谱的分析,论证了铌铁金红石与烷基羟肟酸盐的吸附形式为化学吸附,并确定了烷基羟肟酸盐在铌铁金红石表面的吸附模型。

It is researched that the global structure of modified lignosulphonate is dispersive and less cluster structure to benefit the adsorption efficiency, the adsorption capacity and to improve the lyophobic surface of coal;. the film thickness is double by the comparison of lignosulphonate and modified lignosulphonate in the respect of the space steric hindrance.

研究表明:改性木钠球形结构更加分散,簇状结构明显减少,对提高吸附效率,增加吸附量,极大程度地改善煤表面的疏水性极为有利;改性木钠的空间位阻作用与未改性木钠相比较,其表面吸附膜厚度增加1倍左右。

The results indicated that a dependable kinetic model could be obtained by modifying the Temkin equation by considering the H2 and NH3 adsorption factors. Activation energy for the ammonia synthesis reaction was obtained as 90.2 kJmol^(-1) after linear fitting the kinetic and thermodynamic parameters k, K(subscript H2) and K(subscript NH3) with the Arrhenius and Van't Hoff equation, which was much lower than that over iron-based catalyst, which indicated that the activation energy barrier of N2 dissociative adsorption on Ru was far lower than that on either the conventional magnetite-based catalyst or wustite-based catalyst; the hydrogen adsorption heat was 76.2 kJ mol^(-1), indicating that the adsorption of hydrogen on the Ba-Ru-K/AC catalyst was so strong that it inhibitied the dissociative adsorption of nitrogen.

结果表明,在Temkin方程中加入H2和NH3的吸附项能够获得可靠的动力学模型,用Arrhenius和Van't Hoff方程对动力学和热力学参数k、K(下标 H2)和K(下标 NH3)进行线性拟合,得到氨合成反应的活化能为90.2 kJmol^(-1),远低于铁基催化剂,说明Ru上N2的解离吸附活化能垒远低于传统磁铁矿基催化剂和维氏体基催化剂。H2的吸附热为76.2 kJmol^(-1),证明Ba-Ru-K/AC催化剂上H2的吸附较强烈,对N2的吸附有强烈的抑制作用。

The empirical Freundlich equation was successfully employed to describe the adsorption process. Due to hydrogen-bonding interaction between the tertiary amino groups on the resin and the amino groups of p-methylaniline, the adsorption capacity towards p-methylaniline of NDA-8 is higher than that of NKA when the equilibrium concentration is 5 mmol/L.

结果表明:2种树脂吸附对甲苯胺均符合Freundlich等温吸附方程,NDA-8树脂表面叔氨基与对甲苯胺之间的氢键作用可有效强化吸附能力,在平衡浓度均为5mmol/L的情况下,其吸附容量达到NKA的1.5~1.6倍。

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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。