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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The thresholds of fast coagulation of sol in the presence of sodium nitrate and sodium sulfate were determined.
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The sol coagulation thresholds are determined in the presence of sodium nitrate and sulfate, as well as of mixed magnesium salt at various pH values of the dispersion medium.
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Investigation into the Electrical and Optical Properties of Sodium Nitrite and Sodium Nitrate Nanoparticles in Regular Porous Ma
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New nanocomposites based on zeolites (NaA-NaNO2, NaA-NaNO3) and opals (o-NaNO2, o-NaNO3) that contain sodium nitrite or sodium nitrate nanoparticles in cages of regular porous matrices are prepared.
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Degradation of electronic excitations in crystalline sodium nitrate
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| | The half wave potential of the lead ion was determinted at 25℃ in sodium perchlo-rate-sodium nitrate mixtures over the range 0-2.0 M sodium nitrate at an ionic strength of 3.00. From the data, the existence of Pb (NO_3)_2, Pb(NO_3)_3, in addition to the species.PbNO_3~+ and Pb~(++) as found by previous investigators was revealed. The consecutive stability constants were found to be: K_1=2.34±0.02, K_2=1.30±0.03, K_3 = 3.25±0.12. | | 采用蒋和徐提出从极谱半波电势求络离子的逐级稳定常数的方法,研究铅离子和硝酸根的络合物,测得PbNO_3~+、Pb(NO_3)~2和Pb(NO_3)_3~-的逐级稳定常数分别为:K_1=2.34,K_2=1.30,K_3=3.25. | | 文摘来源 | | The half wave potential of the cadmium ion was determined at 25 C in sodium perchlorate-sodium nitrate mixtures over the range of 0-2.2 M nitrate at an ionic strength of 3.00. The treatment of the data revealed the existence of Cd~(++), Cd(NO_3)~+ and Cd(NO_3)_2. The successive stability constants were found to be K_1 = 0.62±0.02 and K_2=0.16±0.02, while the errors in the difference between the half wave potentials of the simple and complex ions were estimated to be less than ±0.2 mv... | | 用极谱法证明镉离子与硝酸根在水溶液中生成Cd(NO_3)~+和Cd(NO_3)_2,稳定常数为K_1=0.62±0.02,K_2=0.16±0.02(25°,用高氯酸钠维持μ=3). | | 文摘来源 | | The distribution coefficients of Am(Ⅲ) and Eu(Ⅲ) by di-(2-ethylhe-xyl)phosphoric acid(HDEHP) from nitric acid solution were measured as a function of the diluent, concentration of extractant, acid in aqueous phase and aluminium nitrate or sodium nitrate. The distribution coefficients of Sr (Ⅱ) were also measured-for the same system as a function of nitric acid concentration and extractant concentration. For practical purpose, the extraction properties of purified HDEHP have been compared w... | | 本文测定了用二-(2-乙基已基)磷酸(HDEHP)从硝酸溶液中萃取Am(Ⅲ)和Eu(Ⅲ)分配系数与稀释剂、萃取剂浓度、水相酸度和硝酸铝、硝酸钠浓度的关系。并以Sr(Ⅱ)为裂片元素代表,测定了萃取剂浓度和酸度与分配系数的关系。考虑到实际应用,比较了经纯化和未经纯化的HDEHP对萃取、分离的影响。最后提出了几种可能采用的串级实验条件。 | | 文摘来源 | |   | | << 更多相关文摘 |
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