296 hasil
Menampilkan 1–20 · 0,12 detik · RSS
He huaxue yu fangshe huaxue
Scopus
ISSN 0253-9950 · Editorial Office of Journal of Nuclear and Radiochemistry · 296 artikel di indeks
-
Artikel Jurnal
Analysis of α Specific Activity of Plutonium and Neptunium Impurities in Uranium Trioxide
The α specific activity of plutonium(Pu) and neptunium(Np) in the uranium trioxide product is an important parameter for the quality control. In this study, a simple and reliable method based on TEVA resin was established for the determination of α specific activity of Pu and Np using α…
-
Artikel Jurnal
Research Progress in Removal of Strontium and Cesium From Radioactive Wastewater by Metal Sulfides
Radioactive strontium and cesium, generated by nuclear power plants, present significant threats top human health and ecological safety due to their long half-lives and strong bio-accumulation. Given these risks, finding ways to remove strontium and cesium has become an urgent priority. Among…
-
Artikel Jurnal
Machine Learning-Driven Optimization of Deuterium Water Upgrading Process Using Multi-Tower Cascade Distillation
Deuterium water(D2O) is an essential chemical material widely used in the nuclear energy field, particularly as a neutron moderator in nuclear reactors, and it also plays an important role in medical, biological, and chemical research. D2O concentration by a water distillation cascade process…
-
Artikel Jurnal
Synthesis, Crystal Structure, and Physicochemical Properties of Novel Ternary Uranium(Ⅳ) Fluorides
The research of new uranium-based compounds is of great significance for the development of new high-efficiency nuclear fuel rod assemblies and the promotion of depleted uranium resource utilization. Compared with uranium oxide compounds, of which the crystal structures and physical and chemical…
-
Artikel Jurnal
High-Temperature Oxidation of Simulated Irradiated UO2 Fuels Characterized by Raman Spectroscopy
In order to investigate the molecular structure of spent fuels and their oxidation behavior at high temperature, micro-Raman spectroscopy is used to characterize four simulated fuels of typical light water reactors(LWR) with different burnup values(0, 15, 33 and 50 GWd/tU) to deeply understand the…
-
Artikel Jurnal
Structural and Bonding Properties of Uranium Complexes With Phenanthroline Ligands
In the field of spent nuclear fuel reprocessing, the recovery and utilization of uranium is of significant importance. Current research focuses primarily on the development of highly efficient actinide extractants. Actinide coordination computational chemistry provides a novel investigative space…
-
Artikel Jurnal
Discharge of Simulated High Level Liquid Waste During Rotary Calcination
In the two-step cold crucible vitrification process, high level liquid waste is evaporated, denitrated, and calcined in a calciner to form metal oxides. These oxides then fall into the cold crucible, where they are melted together with base-glass frit to produce a vitrified waste form. To ensure…
-
Artikel Jurnal
Correction and Experimental Verification of Coincidence Summing Effect About γ Spectrometry Using LabSOCS
In analyzing γ-emitters in high level liquid waste with γ spectrometry, the coincidence summing effect is an important factor affecting measurement accuracy for nuclides with multiple γ lines. This paper is to study the influence of the coincidence summing effect on the measurement of more than 10…
-
Artikel Jurnal
Extraction Behavior of U(Ⅵ) by Di(tert-Butylbenzene)dithiophosphinic Acid
The extraction of U(Ⅵ) from 1.0 mol/L NaNO3 using di(tert-butylbenezene)dithiophosphinic acid(donated as HA) in xylene as the organic phase has been investigated, and the extracted complex has been structurally and thermodynamically analyzed. By revealing the effect of pH values, the concentration…
-
Artikel Jurnal
Preparation of Potassium Nickel Ferricyanide/Potassium Montmorillonite Complex Ion Exchanger and Adsorption Properties for Cs+
Cs+ in liquid radioactive waste of nuclear power plant has the characteristics of long half-life, strong radioactivity and high ionization in water, which seriously endangers ecological environment and human health. Therefore, the effective removal of Cs+ is of great significance for the safe…
-
Artikel Jurnal
Application of Alternating Current Electrochemical Dissolved Rhodium Target in Preparation of 103Pd
Brachytherapy is an important radiotherapy technique that precisely targets tumors, offering advantages that cannot be replaced in terms of enhancing therapeutic efficacy, shortening treatment duration, and reducing side effects. 103Pd, due to its unique decay properties, has broad application…
-
Artikel Jurnal
Investigation of Packing Wettability on D2O-H2O Mass Transfer Performance Based on Surface Renewal Model
Deuterated water(D2O), as an important chemical raw material, plays an irreplaceable role in the nuclear energy industry, particularly as a moderator and coolant in nuclear reactors. Water distillation is regarded as an effective method for dehydrogenation and deuterium enrichment, and its…
-
Artikel Jurnal
Advances in Neptunium Extraction in Spent Nuclear Fuel Reprocessing
The efficient separation and recovery of neptunium(Np), one of the most chemically complex actinides in the nuclear fuel cycle, represent a critical challenge in spent nuclear fuel reprocessing and advanced fuel-cycle management. Effective control of Np behavior is essential not only for improving…
-
Artikel Jurnal
Research Progress and Application Prospect of 212Pb Radiopharmaceuticals
Due to the specific characteristics of high linear energy transfer(80-100 keV/μm), short penetration distance(40-100 μm), strong cytotoxic and few reverse effects, α radionuclides has a promising prospect for the therapy of micro-tumors, primary and micro-metastatic cancers. As the parent nuclide…
-
Artikel Jurnal
Dissolution Performance of Zirconium in Borosilicate Glass
Zirconium is a key fission product in high-level liquid waste, originating from the neutron-induced fission of uranium and plutonium in nuclear fuel, and its content in the waste stream can be substantial depending on burnup and cooling time. Its solubility in borosilicate glass directly governs…
-
Artikel Jurnal
Determination of Nb and Ti Content in U-Nb-Ti Alloy by Wavelength Dispersive X-Ray Fluorescence Spectrometry
Uranium-niobium-titanium alloy has important application value in the nuclear energy field due to its excellent corrosion resistance and mechanical properties. Accurate and efficient determination of niobium(Nb) and titanium(Ti) content in uranium-niobium-titanium(U-Nb-Ti) alloys is critical for…
-
Artikel Jurnal
Research Advances and Future Perspective for Technology of Medical Radioactive Waste Liquid Treatment
With the rapid development of medical radioactive isotopes, nuclear medicine has played an increasingly important role in the diagnosis and treatment of various diseases. Medical isotopes such as iodine-125(125I), iodine-131(131I), strontium-89(89Sr), technetium-99m(99Tcm) have been widely utilized…
-
Artikel Jurnal
Research Progress of Ammonium Phosphomolybdate on Removal of Cesium From Nuclear Wastewater
Under the current background of waste resource recycling utilization, people have begun to actively explore the sustainable development path of nuclear fuel recycling. The innovative application of ammonium phosphomolybdate(AMP) in the field of nuclear wastewater treatment is one of the research…
-
Artikel Jurnal
Catalytic Oxidation Treatment of Radioactive Trioctylamine-Xylene Waste Liquids
The catalytic oxidation treatment of radioactive trioctylamine-xylene(V/V=1/4) organic waste liquid containing transuranic nuclides(total α activity: 108 Bq) using commercially available nano-MnO2 as the catalyst was investigated in the present work. The process aims to convert organic components…
-
Artikel Jurnal
Factors Influencing Radioactivity in Preparation of Glass-Ceramics From Metallurgical Solid Waste
Using Baiyun Ebo fluorite tailings and Baogang steel blast furnace slag as the main raw materials, a certain amount of quartz sand and borax were added to prepare glass-ceramics. The influence of raw material ratio and preparation process on the radioactivity of glass-ceramics was studied. Using a…