cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.57760/sciencedb.04018
title: D retention behavior in the CLF-1 steel after D ion irradiation and D plasma exposure
title: D retention behavior in the CLF-1 steel after D ion irradiation and D plasma exposure

description: Deuterium (D) retention behavior in a reduced activation ferritic/martensitic (RAFM) steel (CLF-1) is measured by thermal desorption spectrometry (TDS) after irradiation by D ion in an ion beam facility, exposure to D plasma in a linear ECR plasma generator, and exposure to D plasmas in the EAST tokamak separately. The D release behavior of the CLF-1 steel under the three-different D implantation condition is compared. Results indicate that D release behavior in CLF-1 steel after the tokamak exposure experiments differs significantly from those after laboratory D ion implantation experiments or D plasma exposure experiments in a linear ECR plasma generator. This demonstrates that using low temperature plasmas in laboratory facilities alone is not sufficient in the study of hydrogen isotope retention behavior in a realistic tokamak environment. In order to simulate the plasma and material interaction in tokamak more felicitously, more work need to do to improve the linear plasma generator at present. Possible explanations have been proposed to explain the different D release behavior in CLF-1 steel after D implantation in three different environment.
description: Deuterium (D) retention behavior in a reduced activation ferritic/martensitic (RAFM) steel (CLF-1) is measured by thermal desorption spectrometry (TDS) after irradiation by D ion in an ion beam facility, exposure to D plasma in a linear ECR plasma generator, and exposure to D plasmas in the EAST tokamak separately. The D release behavior of the CLF-1 steel under the three-different D implantation condition is compared. Results indicate that D release behavior in CLF-1 steel after the tokamak exposure experiments differs significantly from those after laboratory D ion implantation experiments or D plasma exposure experiments in a linear ECR plasma generator. This demonstrates that using low temperature plasmas in laboratory facilities alone is not sufficient in the study of hydrogen isotope retention behavior in a realistic tokamak environment. In order to simulate the plasma and material interaction in tokamak more felicitously, more work need to do to improve the linear plasma generator at present. Possible explanations have been proposed to explain the different D release behavior in CLF-1 steel after D implantation in three different environment.
DOI: 10.57760/sciencedb.04024
title: Design of infrared radiation diagnostic calorimeter for the prototype radio frequency driven negative ion source for neutral beam injection
title: Design of infrared radiation diagnostic calorimeter for the prototype radio frequency driven negative ion source for neutral beam injection

description: In order to study the generation and extraction of negative ions for neutral beam injection application, a prototype RF-driven negative ion source and the corresponding test bed are under construction at Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP). The target of the negative ion source is extracting a negation ion beam of 350 A/m2 for 3600 s plasma duration and 100 s beam duration. According to the design parameters of test bed, the design of active cooling IR diagnostic calorimeter for testing beam characteristics is put forward. In order to increase the spatial resolution, the calorimeter adopts the block structure. The calorimeter is made up of 8×28 molybdenum hexahedron blocks, the gap between the neighboring blocks is 2 mm, and the size of each block is 18×18×30 mm3. In order to prolong the operation times, a copper cooling channel with a diameter of 10 mm is welded in the block. The thermal performance of calorimeter is assessed using FEM (Finite Element Method) for validating the feasibility of this design scheme. Mathematical simulation results show that the design can achieve to operate stably at the thermal flux 6.45MW/m2 and meet the requirement of beam diagnosis fully. 
description: In order to study the generation and extraction of negative ions for neutral beam injection application, a prototype RF-driven negative ion source and the corresponding test bed are under construction at Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP). The target of the negative ion source is extracting a negation ion beam of 350 A/m2 for 3600 s plasma duration and 100 s beam duration. According to the design parameters of test bed, the design of active cooling IR diagnostic calorimeter for testing beam characteristics is put forward. In order to increase the spatial resolution, the calorimeter adopts the block structure. The calorimeter is made up of 8×28 molybdenum hexahedron blocks, the gap between the neighboring blocks is 2 mm, and the size of each block is 18×18×30 mm3. In order to prolong the operation times, a copper cooling channel with a diameter of 10 mm is welded in the block. The thermal performance of calorimeter is assessed using FEM (Finite Element Method) for validating the feasibility of this design scheme. Mathematical simulation results show that the design can achieve to operate stably at the thermal flux 6.45MW/m2 and meet the requirement of beam diagnosis fully.
DOI: 10.57760/sciencedb.04027
title: Simulation data for "A 14-Pole Dual-Band High Temperature Superconducting Filter Including Narrow Bandstop Notches"
title: Simulation data for "A 14-Pole Dual-Band High Temperature Superconducting Filter Including Narrow Bandstop Notches"

description: simulation data
description: simulation data
DOI: 10.57760/sciencedb.04030
title: Simulation data for "Design of a dual-wideband high temperature superconducting filter"
title: Simulation data for "Design of a dual-wideband high temperature superconducting filter"

description: simulation data
description: simulation data
DOI: 10.57760/sciencedb.04032
title: Simulation data for "A 15-pole high temperature superconductor filter for radar applications"
title: Simulation data for "A 15-pole high temperature superconductor filter for radar applications"

description: simulation data
description: simulation data
DOI: 10.6084/m9.figshare.28826618
title: Mdh1b histopathology report

description: Mdh1b histopathology
DOI: 10.6084/m9.figshare.28826618.v1
title: Mdh1b histopathology report

description: Mdh1b histopathology
DOI: 10.57760/sciencedb.04033
title: dataset of Design and test of magnetic probe for parallel wave-number measurement of lower hybrid waves in EAST
title: 《用于 EAST 上低杂波平行波数 测量的磁探针设计与测试》数据集

description: dataset of Design and test of magnetic probe for parallel wave-number measurement of lower hybrid waves in EAST
description: dataset of Design and test of magnetic probe for parallel wave-number measurement of lower hybrid waves in EAST
DOI: 10.57760/sciencedb.07348
title: Conceptual design of primary heat transfer system for CFETR power extraction system
title: Conceptual design of primary heat transfer system for CFETR power extraction system

description: Power Extraction System (PES) is the major port of outputting fusion energy in the Chinese Fusion Engineering Testing Reactor (CFETR). The large amount of thermal power is transferred by Power Extraction System Primary Heat Transfer System (PES PHTS) to achieve the effect of cooling plasma facing components (PFCs) and power generating. In addition, PES PHTS has the function of baking the PFCs. Therefore, the PES PHTS conceptual design is an essential step to determine fitting size and evaluate thermal-hydraulic characteristic. In this paper, a thermal-hydraulic model is developed by AFT Fathom code to predict the thermal-hydraulic behavior of the PES PHTS in different operation modes. The results show that the critical thermal-hydraulic parameters can satisfy the PES PHTS operational requirements, such as the required pump head, flow rate, temperature and pressure drop. These results will lay a solid foundation for future device development of the CFETR PES PHTS.
description: Power Extraction System (PES) is the major port of outputting fusion energy in the Chinese Fusion Engineering Testing Reactor (CFETR). The large amount of thermal power is transferred by Power Extraction System Primary Heat Transfer System (PES PHTS) to achieve the effect of cooling plasma facing components (PFCs) and power generating. In addition, PES PHTS has the function of baking the PFCs. Therefore, the PES PHTS conceptual design is an essential step to determine fitting size and evaluate thermal-hydraulic characteristic. In this paper, a thermal-hydraulic model is developed by AFT Fathom code to predict the thermal-hydraulic behavior of the PES PHTS in different operation modes. The results show that the critical thermal-hydraulic parameters can satisfy the PES PHTS operational requirements, such as the required pump head, flow rate, temperature and pressure drop. These results will lay a solid foundation for future device development of the CFETR PES PHTS.
DOI: 10.57760/sciencedb.04036
title: The impact of ELM mitigation on tungsten source in the EAST divertor
title: The impact of ELM mitigation on tungsten source in the EAST divertor

description: Divertor tungsten (W) erosion source during edge localized mode (ELM) bursts in EAST is investigated based on optical emission spectroscopy on atomic neutral tungsten line emission at 400.9 nm. Both temporal evolution and total source strength are analyzed and compared in three different ELM mitigation schemes including natural ELMs, resonant magnetic perturbations (RMP) and 2.45 GHz lower hybrid wave (LHW).
description: Divertor tungsten (W) erosion source during edge localized mode (ELM) bursts in EAST is investigated based on optical emission spectroscopy on atomic neutral tungsten line emission at 400.9 nm. Both temporal evolution and total source strength are analyzed and compared in three different ELM mitigation schemes including natural ELMs, resonant magnetic perturbations (RMP) and 2.45 GHz lower hybrid wave (LHW).
DOI: 10.57760/sciencedb.04042
title: Effects of high-energy C ions irradiation on the D retention behavior in V-5Cr-5Ti
title: Effects of high-energy C ions irradiation on the D retention behavior in V-5Cr-5Ti

description: Vanadium alloys are attractive candidate structural materials in future fusion reactors. To evaluate the effects of irradiation on the deuterium retention behavior in vanadium alloys, samples made of V-5Cr-5Ti were irradiated by 5.5 MeV carbon ions. Doppler broadening measurements of the positron annihilation radiation tests were carried out to investigate the defect properties in the irradiated samples. Then the irradiated and virgin samples were implanted with deuterium in an ECR (electron-cyclotron resonance) linear plasma device followed by thermal desorption spectroscopy experiments. It was found that the irradiation process introduced large density of vacancy-type defects and subsequently increased the deuterium retention in the V-5Cr-5Ti, which remains as a serious concern for the vanadium alloys in the application as the structural materials of the fusion blanket.
description: Vanadium alloys are attractive candidate structural materials in future fusion reactors. To evaluate the effects of irradiation on the deuterium retention behavior in vanadium alloys, samples made of V-5Cr-5Ti were irradiated by 5.5 MeV carbon ions. Doppler broadening measurements of the positron annihilation radiation tests were carried out to investigate the defect properties in the irradiated samples. Then the irradiated and virgin samples were implanted with deuterium in an ECR (electron-cyclotron resonance) linear plasma device followed by thermal desorption spectroscopy experiments. It was found that the irradiation process introduced large density of vacancy-type defects and subsequently increased the deuterium retention in the V-5Cr-5Ti, which remains as a serious concern for the vanadium alloys in the application as the structural materials of the fusion blanket.
DOI: 10.57760/sciencedb.04049
title: Preliminary design of diagnostic system for negative neutral beam injector at ASIPP
title: Preliminary design of diagnostic system for negative neutral beam injector at ASIPP

description: According to the latest physics design of the China Fusion Engineering Test Reactor (CFETR), two neutral beam injectors (NBIs), which deliver a total of 40 MW in not less than 3600 s with 1 MeV D0, are demanded to support current drive and plasma rotation. To minimize the risks and time to provide the CFETR with reliable NBIs, a negative NBI test facility will be developed at the Institute of Plasma Physics,Chinese Academy of Science. Its mission is to understand the characteristics of the RF driven ion source and negative ion generation and extraction and to improve RF efficiency and beam quality. In order to achieve this goal, a set of diagnostic tools will be used in this test facility. For source diagnostics, optical emission spectroscopy, cavity ring-down spectroscopy, laser absorption spectroscopy, and electrostatic probes are planned to be used. Beam emission spectroscopy, W-wire calorimeters, 1D carbon fiber composite diagnostic calorimeters, beam dump with thermocouples, and water-flow calorimetry are used to assess the beam properties. The design of the diagnostic system is presented.
description: According to the latest physics design of the China Fusion Engineering Test Reactor (CFETR), two neutral beam injectors (NBIs), which deliver a total of 40 MW in not less than 3600 s with 1 MeV D0, are demanded to support current drive and plasma rotation. To minimize the risks and time to provide the CFETR with reliable NBIs, a negative NBI test facility will be developed at the Institute of Plasma Physics,Chinese Academy of Science. Its mission is to understand the characteristics of the RF driven ion source and negative ion generation and extraction and to improve RF efficiency and beam quality. In order to achieve this goal, a set of diagnostic tools will be used in this test facility. For source diagnostics, optical emission spectroscopy, cavity ring-down spectroscopy, laser absorption spectroscopy, and electrostatic probes are planned to be used. Beam emission spectroscopy, W-wire calorimeters, 1D carbon fiber composite diagnostic calorimeters, beam dump with thermocouples, and water-flow calorimetry are used to assess the beam properties. The design of the diagnostic system is presented.
DOI: 10.57760/sciencedb.04051
title: Dataset of characteristic and SERS test of two-dimensional flower-shaped Au@Ag nanoparticle arrays
title: 二维花形Au@Ag纳米颗粒阵列表征及SERS检测数据集-JMC-XCC

description: The morphologies and structures of products were characterized by field-emission scanning electron microscopy (FESEM, Sirion 200), energy dispersive X-ray spectroscopy (EDS) and transmission electron microscopy (TEM, FEI Tecnai G2 F20). The research of the SERS performance was conducted using a confocal microprobe Raman spectrometer (Renishaw Invia, 785 nm laser line, 50× objective). 
description: The morphologies and structures of products were characterized by field-emission scanning electron microscopy (FESEM, Sirion 200), energy dispersive X-ray spectroscopy (EDS) and transmission electron microscopy (TEM, FEI Tecnai G2 F20). The research of the SERS performance was conducted using a confocal microprobe Raman spectrometer (Renishaw Invia, 785 nm laser line, 50× objective).
DOI: 10.57760/sciencedb.04052
title: Dataset of characteristic and SERS test of hydrogel film@Au nanoparticle arrays
title: 水凝胶膜@Au纳米颗粒阵列表征和SERS测试数据集

description: The morphologies of products were characterized by field-emission scanning electron microscopy (FESEM, Sirion 200). The zeta potential of the hydrogel film and Au NPs were measured by the Malvern Zetasizer Nano ZS90. The extinction spectrum was obtained through the microspectrometre system from Ideaoptics Corp. Microscopic images of the hydrogel film@Au NPs were acquired using an optical microscope equipped with a digital camera (DLC300L, 3.0M). The research of the SERS performance was conducted by using a confocal microprobe Raman spectrometer (Renishaw Invia, 50× objective).
description: The morphologies of products were characterized by field-emission scanning electron microscopy (FESEM, Sirion 200). The zeta potential of the hydrogel film and Au NPs were measured by the Malvern Zetasizer Nano ZS90. The extinction spectrum was obtained through the microspectrometre system from Ideaoptics Corp. Microscopic images of the hydrogel film@Au NPs were acquired using an optical microscope equipped with a digital camera (DLC300L, 3.0M). The research of the SERS performance was conducted by using a confocal microprobe Raman spectrometer (Renishaw Invia, 50× objective).
DOI: 10.57760/sciencedb.04054
title: Long-term urea fertilization alters the composition and increases the abundance of soil ureolytic bacterial communities in an upland soil
title: 长期施加尿素肥料改变了旱地土壤尿素水解菌的组成并增加了尿素水解菌的丰度

description: Urea is a widely used nitrogen (N) fertilizer in agriculture, but considerable amounts of urea are lost through ammonia volatilization. Soil microbes are major urease producers; however, the impact of urea application on the soil ureolytic microbial community is poorly understood. In this study, the urease activity and the abundance and composition of the ureolytic bacterial community in soil (30 cm deep) under long-term urea application (four treatments: 0, 200, 400 and 600 kg N ha−1yr−1) were investigated by quantitative polymerase chain reaction and high-throughput sequencing of the ureC gene. Urease activity and ureC abundance decreased with the soil depth and increased with urea fertilization. The ureC/16S rRNA gene ratio slightly varied in the different treatments, and the ureC gene abundance was significantly and positively correlated with urease activity only in surface soil (0–10 cm), despite the greater impact of urea application on the ureolytic bacterial community structure observed in deeper soil layers (10–20 and 20–30 cm). The diversity of the ureolytic bacterial community was higher in upper soil layers than deeper ones and decreased with the urea application rate. These results suggest that long-term intensive urea fertilization may increase the risk of N loss through ammonia volatilization and increase the risk of soil degradation due to the collapse of soil microbial diversity.
description: Urea is a widely used nitrogen (N) fertilizer in agriculture, but considerable amounts of urea are lost through ammonia volatilization. Soil microbes are major urease producers; however, the impact of urea application on the soil ureolytic microbial community is poorly understood. In this study, the urease activity and the abundance and composition of the ureolytic bacterial community in soil (30 cm deep) under long-term urea application (four treatments: 0, 200, 400 and 600 kg N ha−1yr−1) were investigated by quantitative polymerase chain reaction and high-throughput sequencing of the ureC gene. Urease activity and ureC abundance decreased with the soil depth and increased with urea fertilization. The ureC/16S rRNA gene ratio slightly varied in the different treatments, and the ureC gene abundance was significantly and positively correlated with urease activity only in surface soil (0–10 cm), despite the greater impact of urea application on the ureolytic bacterial community structure observed in deeper soil layers (10–20 and 20–30 cm). The diversity of the ureolytic bacterial community was higher in upper soil layers than deeper ones and decreased with the urea application rate. These results suggest that long-term intensive urea fertilization may increase the risk of N loss through ammonia volatilization and increase the risk of soil degradation due to the collapse of soil microbial diversity.
DOI: 10.57760/sciencedb.04056
title: Highly enhanced adsorption performance of U(VI) by non-thermal plasma modified magnetic Fe3O4 nanoparticles-Dataset
title: Highly enhanced adsorption performance of U(VI) by non-thermal plasma modified magnetic Fe3O4 nanoparticles-原始数据

description: magnetic Fe3O4 nanoparticles (MNP) modified with O-phosphorylethanolamine (O-PEA) were successfully prepared by non-thermal plasma induced method with different treatment times. The raw and modified MNP were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectrophotometer (FT-IR), and vibration sample magnetometer (VSM).
description: magnetic Fe3O4 nanoparticles (MNP) modified with O-phosphorylethanolamine (O-PEA) were successfully prepared by non-thermal plasma induced method with different treatment times. The raw and modified MNP were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectrophotometer (FT-IR), and vibration sample magnetometer (VSM).
DOI: 10.57760/sciencedb.04057
title: The code of AC loss and temperature rises calculation for superconducting magnet joint
title: 超导磁体接头AC loss和温升程序代码

description: In the folder AC loss, you can use Fortran to calculate AC loss. Please delete it during runtime txt。 In the folder temperature risks, you can use THEA to calculate the temperature rise. Please delete. txt when running. 
description: In the folder AC loss, you can use Fortran to calculate AC loss. Please delete it during runtime txt。 In the folder temperature risks, you can use THEA to calculate the temperature rise. Please delete. txt when running.
DOI: 10.57760/sciencedb.04058
title: Microstructure and properties of W-Cu/CuCrZr/316L joint bonded by onestep HIP techni
title: Microstructure and properties of W-Cu/CuCrZr/316L joint bonded by onestep HIP techni

description: This work describes studies on the microstructure and properties of W-Cu/CuCrZr/316L joints bonded by onestep HIP technique. In the HIP process, both W-Cu/CuCrZr and CuCrZr/316L joints were connected simultaneously by diffusion bonding at 900 °C, 130 MPa for 2 h. Then for recovering the strength of CuCrZr alloy, heattreatment process of solution annealing at 900 °C for 1 h which followed by water quench and aging treatment at 480 °C for 2 h were imposed on the HIPed module. After the heat treatment process, assessments on the microstructure, tensile test and Charpy impact test of the bonding joints were performed. Microstructural analysis showed that both the bonding joints were well welded and transition zones were observed along the interfaces of the joints. The microstructure of CuCrZr alloy was homogeneous with equiaxed grains and its mean grain size was around 42 μm. Mechanical test showed that the bonding strength of CuCrZr/316L joint was considerably high with an impact toughness value of 104 ± 2 J/cm2
description: This work describes studies on the microstructure and properties of W-Cu/CuCrZr/316L joints bonded by onestep HIP technique. In the HIP process, both W-Cu/CuCrZr and CuCrZr/316L joints were connected simultaneously by diffusion bonding at 900 °C, 130 MPa for 2 h. Then for recovering the strength of CuCrZr alloy, heattreatment process of solution annealing at 900 °C for 1 h which followed by water quench and aging treatment at 480 °C for 2 h were imposed on the HIPed module. After the heat treatment process, assessments on the microstructure, tensile test and Charpy impact test of the bonding joints were performed. Microstructural analysis showed that both the bonding joints were well welded and transition zones were observed along the interfaces of the joints. The microstructure of CuCrZr alloy was homogeneous with equiaxed grains and its mean grain size was around 42 μm. Mechanical test showed that the bonding strength of CuCrZr/316L joint was considerably high with an impact toughness value of 104 ± 2 J/cm2