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模拟地下水
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  simulated groundwater
    Theexperiment results showed that the temperature(20—30)℃ and the pH value(5.4—9.3)of simulated groundwater,had no effect on the determination ofdistribution coefficients on the whole,but the ratioes of solid to liquid hadremarkable effect on it.
    实验结果表明,温度在20—30℃、模拟地下水 pH 在5.4—9.3之间对测定分配系数基本没有影响,而固液比则有显著影响;
短句来源
    The leaching behavior of HLW glass by simulated groundwater and deionized water are studied by MCC-1 static method under both atmospheric and anaerobic conditions at 150 ℃ and 90 ℃ for 546 d.
    采用MCC-1静态浸出法研究了在低氧条件下,两种温度(150℃和90℃)和两种浸出剂(模拟地下水和去离子水)在浸泡546 d后对玻璃固化体浸出行为的影响。
短句来源
    With simulated groundwater as leachant,the retention capabilities of the portland cement,which contains different amount of silica fume,are investigated under 25 ℃ and 42 days.
    在25℃下,通过浸出试验,用模拟地下水浸出42 d,比较不同硅灰掺量时硅酸盐水泥固化体对铀的滞留能力。
短句来源
    DISTRIBUTION COEFFICIENTS OF STRONTIUM AND CESIUM BETWEEN SOME GEOLOGICAL MEDIUMS AND SIMULATED GROUNDWATER
    锶和铯在几种地质介质和模拟地下水间的分配系数
短句来源
    According to adsorptive capacity of few materials on Cs~(+),the synthetic zeolite(ZF) was selected to study adsorptive capacity for Cs~(+) in a few conditions including temperature,pH value,concentration and simulated groundwater with the intermittent method and(offered) some references for valued mid-lower radiowaste disposition.
    通过几种矿物材料对Cs+吸附性能的研究,采用间歇法对优选出的合成沸石(ZF)研究其在不同环境条件下(浓度、温度、pH、模拟地下水)对Cs+的吸附性能,为评价中低放核废物处置效果提供一些参考数据。
短句来源
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  simulated underground water
    The solubility of Np(Ⅳ) in simulated underground water and redistilled water has been measured with the variations of pH(6~12) and storage time(0~100 d) in the presence of reductants(Na 2S 2O 4, metallic Fe). All experiments are performed in a low oxygen concentration glove box containing high purity Ar(99.99 %), with an oxygen content of less than 5×10 -6 mol/mol .
    在低氧条件下以Na2 S2 O4 或铁粉作还原剂 ,测定了Np(Ⅳ )在模拟地下水和重蒸水中的溶解度 ,讨论了溶液 pH值和放置时间对Np(Ⅳ )的形态及在两种水样中溶解度的影响。
短句来源
    The leaching reaction activation energies calculated for both leaching agents indicate the simulated underground water will cause heavier corrosion to the HLW glass than the deionized water at higher temperature.
    玻璃固化体浸出反应活化能计算结果显示:在高温条件下模拟地下水对玻璃固化体腐蚀比去离子水严重。
短句来源
  “模拟地下水”译为未确定词的双语例句
    A static method was used for determining the distribution coeffic-iect of ~(85)Sr and ~(134)Cs between geological mediums and simulated groundwaterand the effects of temperature,pH ralue,ratio of solid to liquid and shan-king way etc. on distribution coefficients were presented in this paper.
    本文介绍了温度、pH、固液比和振荡方式等因素对静态法测定~(35)Sr 和~(134)Cs 在几种地质介质和模拟地下水间的分配系数时的影响。
短句来源
    Sorption and desorption laws of selenium on granite in medium of grouhd watersimulated were presented in this paper.
    本文研究了在模拟地下水介质中花岗岩对硒的吸附、解吸规律。
短句来源
    The experimental results show that in deionized water,with temperature increasing,the rate-controlling process of glass corrosion is changed from ion-exchange to network dissolution,In simulated under ground water,the rate-controlling process of glass corrosion is ion-exchange,which is independent on temperature.
    实验发现,用去离子水浸泡,温度的升高会使玻璃固化体浸出反应的控速步骤由离子交换反应向网络溶解反应转变,而在模拟地下水中浸出的控速步骤是离子交换反应,且不随温度而改变。
短句来源
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  simulated groundwater
Solubility of mixed-valence U(IV-VI) and Np(IV-V) hydroxides in simulated groundwater and 0.1 M NaClO4 solutions
      
In sorption from simulated groundwater (pH 8.3), the surface distribution coefficient in surface sorption Ka was determined to be 8-37 and 4-80 cm for Am and Pu, respectively.
      
In order to investigate the feasibility of preparation and stabilisation of simulated groundwater samples, various tests were necessary prior to the production of a large batch of candidate reference materials.
      
This paper presents the preparation of simulated groundwater reference materials and the different stabilisation procedures tested.
      
The bioreporting efficacy of alginate/SrCl2-immobilized HK44 was investigated in simulated groundwater with different pH?regimes.
      
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A static method was used for determining the distribution coeffic-iect of ~(85)Sr and ~(134)Cs between geological mediums and simulated groundwaterand the effects of temperature,pH ralue,ratio of solid to liquid and shan-king way etc.on distribution coefficients were presented in this paper.Theexperiment results showed that the temperature(20—30)℃ and the pH value(5.4—9.3)of simulated groundwater,had no effect on the determination ofdistribution coefficients on the whole,but the ratioes of solid to liquid hadremarkable...

A static method was used for determining the distribution coeffic-iect of ~(85)Sr and ~(134)Cs between geological mediums and simulated groundwaterand the effects of temperature,pH ralue,ratio of solid to liquid and shan-king way etc.on distribution coefficients were presented in this paper.Theexperiment results showed that the temperature(20—30)℃ and the pH value(5.4—9.3)of simulated groundwater,had no effect on the determination ofdistribution coefficients on the whole,but the ratioes of solid to liquid hadremarkable effect on it.The sorption isotherms of tested solid samples werelinear within the range of the radionuelide concentration used.The distribu-tion coefficient of ~(85)Sr and ~(134)Cs in various depth of geological mediumwere also presented in this paper.

本文介绍了温度、pH、固液比和振荡方式等因素对静态法测定~(35)Sr 和~(134)Cs 在几种地质介质和模拟地下水间的分配系数时的影响。实验结果表明,温度在20—30℃、模拟地下水 pH 在5.4—9.3之间对测定分配系数基本没有影响,而固液比则有显著影响;在使用的放射性浓度范围内,这些样品的吸附等温线为直线。文中还给出了不同深度地质介质中~(85)Sr 和~(134)Cs 的分配系数。

Sorption and desorption laws of selenium on granite in medium of grouhd watersimulated were presented in this paper.Results show that sorption and desorption of seleni- um on granite obey sorption isotherm function of Freundlich.When reductants(Fe powderor humic acid)exist,sorption value of selenium on granite will increase and reach the maxi-mum arround pH 4.Sorption value will also increase with reduction of granite size(that isincreasing of specific surface area).Those show that the sorption happened on the...

Sorption and desorption laws of selenium on granite in medium of grouhd watersimulated were presented in this paper.Results show that sorption and desorption of seleni- um on granite obey sorption isotherm function of Freundlich.When reductants(Fe powderor humic acid)exist,sorption value of selenium on granite will increase and reach the maxi-mum arround pH 4.Sorption value will also increase with reduction of granite size(that isincreasing of specific surface area).Those show that the sorption happened on the surface ofsolid phase.

本文研究了在模拟地下水介质中花岗岩对硒的吸附、解吸规律。实验结果表明,在本实验条件下花岗岩对硒的吸附和解吸均服从 Freundlich 吸附等温方程;在还原剂(Fe 粉和腐植酸)存在下,花岗岩对硒的吸附量有所增大;在 pH 为4左右硒吸附量最大;硒吸附量还随花岗岩粒径减小即比表面积增大而增大,说明吸附主要发生在固相表面。

Nine leaching systems were made by borosilicate glass and different media such as bentonite tuff,zeolite,Fe_2O_3 powder,deionized water and simulated underground water for simulating dis-posal conditions.After leaching tests at 90℃,the concentrations of Na,B,Si,Al,Ca,Mg,Fe,Ti,Mn,Cr and Sr were analyzed by ICP;the mass loss of the glass samples was determined.The effects of temperature and pH on leaching process were studied, the reaction activition energy-of glass with leachant was calculated.In terms of...

Nine leaching systems were made by borosilicate glass and different media such as bentonite tuff,zeolite,Fe_2O_3 powder,deionized water and simulated underground water for simulating dis-posal conditions.After leaching tests at 90℃,the concentrations of Na,B,Si,Al,Ca,Mg,Fe,Ti,Mn,Cr and Sr were analyzed by ICP;the mass loss of the glass samples was determined.The effects of temperature and pH on leaching process were studied, the reaction activition energy-of glass with leachant was calculated.In terms of results of the experiments, it was found that the leaching systems with bentonite and zeolite have the lowest leaching rate,therefore,the mixture of bentonite and zeolite is recommended as optimum buffer material and backfill material of repository.

用模拟高放废物硼硅酸盐玻璃固化体和介质(包括膨润土、凝灰岩、沸石、氧化铁粉、去离子水和模拟地下水)构成模拟处置条件下的9个浸泡体系,研究了在有介质存在条件下,玻璃固化体浸泡后的失重,玻璃体的元素浸出和浸出液的pH值变化;研究了温度和pH对浸出的影响,求出了玻璃、水反应的表观活化能为73.0KJ/mol。对高放废物处置库的回填材料的选择提供了优选方案。

 
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