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模拟地下水介质
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  simulated underground water
     The sorption of the long-lived fission product 129I on clay and kieselguhr in the simulated underground water was investigated by taking Na125I as tracer.
     本文以Na~(125)I为示踪剂,在模拟地下水介质条件下研究了粘土和硅藻土对长寿命裂变产物~(129)I(T_(1/2)=1.57×10~7a)的吸附规律。
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  “模拟地下水介质”译为未确定词的双语例句
     There was no passive film on the surface of X70 steel in simulating ground water (NS4 and NOVA).
     在模拟地下水介质中,表面只发生阳极金属的溶解反应,不生成钝化膜,当有应力存在时,可能发生氢致开裂。
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     NS4 solution was more sensitive than NOVA solution.
     两种模拟地下水介质腐蚀敏感性存在差异,NS4溶液的腐蚀敏感性较强;
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     The solution with CO2 is more sensitive, too.
     同时证明 CO2可以增加模拟地下水介质的应力腐蚀敏感性。
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     In this paper the sorption (desorption) behaviour of iodine on the concrete with the simulated groundwater and the sorption isotherm were studied.
     研究了在模拟地下水介质中,混凝土对碘的吸附(解吸)规律和吸附等温线。
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     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。
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  相似匹配句对
     GEOCHEMICAL MODELING OF GROUND WATER
     地下水地球化学模拟
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     Visualization of groundwater numerical modeling
     可视化的地下水数值模拟
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     Anisotropic Fractal Medium Modeling
     各向异性分形介质模拟
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     DISTRIBUTION COEFFICIENTS OF STRONTIUM AND CESIUM BETWEEN SOME GEOLOGICAL MEDIUMS AND SIMULATED GROUNDWATER
     锶和铯在几种地质介质模拟地下水间的分配系数
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     AVO simulation in two-phase media
     双相介质的AVO正演模拟
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The sorption of the long-lived fission product 129I on clay and kieselguhr in the simulated underground water was investigated by taking Na125I as tracer. Results was shown that sorption of I- on clay and kieselguhr in the simulated underground water with 6-7 pK followed the Freundlich sorption law,the percent ratio of sorption was low≤5%).The sorption of the carrier-free 125I on the surface of polyethylene and glass vessels demonstrated that IO3- was sorbed easily than I-.

本文以Na~(125)I为示踪剂,在模拟地下水介质条件下研究了粘土和硅藻土对长寿命裂变产物~(129)I(T_(1/2)=1.57×10~7a)的吸附规律。实验发现,在pH6—7的地下水介质中,粘土和硅藻土对I~-的吸附服从Freundlich等温吸附经验公式,但吸附百分率较小(≤5%)。 对无载体~(125)I在实验用聚乙烯瓶和玻璃瓶上的吸附研究表明,碘的氧化态(I_3~-或IO_3~((?))要比I~-更易被吸附。

In this paper the sorption (desorption) behaviour of iodine on the concrete with the simulated groundwater and the sorption isotherm were studied. The value of distribution ratio RDa at 30±2℃,C1 = 10-6mol/l and pH=9. 01 was determined to be 3. 16±0. 32 ml/g. The effects on RD values of acidity, solid-liquid ratio,solid specific surface area and the reductant (Fe and (NH2)2) were also investigated.

研究了在模拟地下水介质中,混凝土对碘的吸附(解吸)规律和吸附等温线。实验表明,在30±2℃、c_I=10~(-6)mol/l、pH=9.01条件下的分配比R_(D_a)=3.16±0.32ml/g。还对酸度、固液比、固体比表面和还原剂Fe、(NH_2)_2存在时对R_D值的影响进行了研究。

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。

 
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