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Tungsten 2025年第1期7卷 80-87页

作者： Fang-Qian Wang Yin Zhang Wei-Wei Wang Mei-Qian Fu Hong-Bing Mo Wei-Dong yu Chao Liu Jun yan College of Chemistry and Chemical Engineering Central South University Junior Education Department Changsha Normal University School of Science Hunan University of Technology and Business

Arsenic-vanadium polyoxometalates（POMs） represent a family of tremendous potential catalysts owing to their peculiar physical and chemical *** in CO2conversion,using POMs to catalyze the conversion of CO2and epoxide into chemical intermediates is the research ***,A new family number of arsenic-vanadium POMs,[N（CH3）4]4[As8V12O38（H2O）]·2H2O({As8V12O38}),was reported and characterized by single-crystal X-ray diffraction,fourier transform infrared spectroscopy,X-ray photoelectron spectroscopy,*** from other allotropicity,{As8V12O38}shows a different structure pattern with an I-43d *** obtained {As8V12O38} was employed as a catalyst for the *** initial catalytic reaction confirmed that {As8V12O38} can catalyze the formation of epoxy carbonate by using 1.01 kPa CO2and epoxide at 70℃.Furtherly,when added amine in the catalytic system,oxazolidinone could be obtained by high yields,which provides an efficient way to convert CO2into profitable ***,a possible catalytic reaction mechanism was proposed by using different characterization analyses.{As8V12O38} first catalyzes the epoxide and CO2to form an epoxy carbonate and then catalyzes epoxy carbonate and benzylamine into oxazolidinone.

关键词： Arsenic CO2 conversion Oxazolidinone Polyoxometalates Vanadium

Effects of salinity and betaine addition on anaerobic granular sludge properties and microbial community succession patterns in organic saline wastewater

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Journal of Environmental Sciences 2025年第1期147卷 310-321页

作者： Zhifei Zhang Jinquan Wan Gang Ye yan Wang yuwei Bai Zhicheng yan College of Environment and Energy South China University of TechnologyGuangzhou 510006China Shijiazhuang High Tech Industrial Development Zone Water Supply and Drainage Company Shijiazhuang 050000China

In this study,the effects of different salinity gradients and addition of compatible solutes on anaerobic treated effluent water qualities,sludge characteristics and microbial communities were *** increase in salinity resulted in a decrease in particle size of the granular sludge,which was concentrated in the range of 0.5-1.0 *** content of EPS(extracellular polymeric substances)in the granular sludge gradually increased with increasing salinity and the addition of betaine(a typical compatible solute).Meanwhile,the microbial community structure was significantly affected by salinity,with high salinity reducing the diversity of *** higher salinity,Patescibacteria and Proteobacteria gradually became the dominant phylum,with relative abundance increasing to 13.53%and 12.16%at 20 g/L *** and its subordinate Desulfovibrio,which secrete EPS in large quantities,dominated significantly after betaine *** relative abundance reached 13.65%and 7.86%at phylum level and genus *** effect of these changes on the treated effluent was shown as the average chemical oxygen demand(COD)removal rate decreased from 82.10%to 79.71%,78.01%,68.51%and 64.55%when the salinity gradually increased from 2 g/L to 6,10,16 and 20 g/*** the salinity of 20 g/L,average COD removal increased to 71.65%by the addition of 2 mmol/L *** gradient elevated salinity and the exogenous addition of betaine played an important role in achieving stability of the anaerobic system in a highly saline environment,which provided a feasible strategy for anaerobic treatment of organic saline wastewater.

关键词： Organic saline wastewater Anaerobic granular sludge Compatible solute Extracellular polymeric substance Microbial community

An Energy Management System with Mobile Energy Station Based Wireless Energy Transfer:System Design and Prototype Implementation

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China Communications 2025年第1期22卷 89-101页

作者： yan Kang Li Jinhui Fan Xinyu Hu Jie yu Qin yang Kun yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou 313001China School of Information and Communication Engineering University of Electronic Science and Technology of ChinaChengdu 611731China

In indoor environments,various batterypowered Internet of Things(IoT)devices,such as remote controllers and electronic tags on high-level shelves,require efficient energy ***,manually monitoring remaining energy levels and battery replacement is both inadequate and *** paper introduces an energy management system for indoor IoT,which includes a mobile energy station(ES)for enabling on-demand wireless energy transfer(WET)in radio frequency(RF),some energy receivers(ERs),and a cloud *** implementing a two-stage positioning system and embedding energy receivers into traditional IoT devices,we robustly manage their energy *** experimental results demonstrate that the energy receiver can harvest a minimum power of 58 mW.

关键词： angle of arrival(AOA) Internet of Things(IoT) mobile station prototype wireless energy transfer(WET)

Four-wave mixing Bragg scattering for small frequency shift from silicon coupled microrings

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Chinese Physics B 2025年第1期34卷 351-355页

作者： Chang Zhao Chao Wu Pingyu Zhu yuxing Du yan Wang Miaomiao yu Kaikai Zhang Ping Xu Institute for Quantum Information&State Key Laboratory of High Performance Computing College of Computer Science and TechnologyNational University of Defense TechnologyChangsha 410073China

Frequency conversion is pivotal in nonlinear optics and quantum optics for manipulating and translating light signals across different wavelength *** frequency conversion between two light beams with a small frequency interval is a central *** this work,we design a pair of coupled silicon microrings wherein coupled-induced modesplitting exists to achieve a small frequency shift by the process of four-wave mixing Bragg *** an example,the signal can be up or down converted to the idler which is 15.5 GHz spaced when two pumps align with another pair of split *** results unveil the potential of coupled microring resonators for small interval frequency conversion in a high-fidelity,all-optical,and signal processing quantum frequency interface.

关键词： four-wave mixing Bragg scattering silicon coupled microrings

综合外治疗法联合补肺活血胶囊对支气管哮喘慢性持续期患者炎症因子及临床疗效的影响

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中国新药杂志 2019年第9期28卷 1094-1098页

作者：于向艳耿立梅候悦悦宿英豪马蕴蕾闫红倩裴玉蓁河北省中医院河北中医学院

目的:探讨综合外治法联合补肺活血胶囊对支气管哮喘慢性持续期患者TNF-α,IL-6,EOS炎性因子及临床疗效的影响。方法:将90例支气管哮喘慢性持续期患者随机分为3组,即综合外治法治疗组(简称外治组)、综合外治法联合补肺活血胶囊治疗组(简... 详细信息

目的:探讨综合外治法联合补肺活血胶囊对支气管哮喘慢性持续期患者TNF-α,IL-6,EOS炎性因子及临床疗效的影响。方法:将90例支气管哮喘慢性持续期患者随机分为3组,即综合外治法治疗组(简称外治组)、综合外治法联合补肺活血胶囊治疗组(简称联合组)和对照组。对照组按照哮喘GINA方案常规给予布地奈德福莫特罗吸入治疗,1吸·次-1,bid;外治组在对照组常规治疗基础上,给予拔火罐、穴位注射卡介菌多糖核酸,隔日1次;联合组在对照组常规治疗基础上,给予拔火罐、穴位注射卡介菌多糖核酸,隔日1次,同时服用补肺活血胶囊,每次4粒,tid。治疗疗程均为3个月。观察各组患者治疗前后炎症因子TNF-α,IL-6,EOS水平及临床疗效。结果:外治组、联合组和对照组的总有效率分别为93. 9%,100%和73. 1%。联合组和外治组的临床疗效明显优于对照组(P 0. 05);联合组治疗后TNF-α,IL-6,EOS水平的改善明显优于外治组和对照组(P <0. 05)。结论:综合外治疗法联合内服补肺活血胶囊治疗支气管哮喘慢性持续期患者,能够改善患者临床症状,减轻慢性气道炎症;通过内外同治调节机体免疫功能,调和经络气血,增强人体正气,提高抵御外邪的能力,标本兼治,值得在临床上进一步推广使用。

关键词：综合外治疗法补肺活血胶囊支气管哮喘慢性持续期

煤制天然气项目空分装置规模等级及配套数量的确定

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化肥设计 2017年第2期55卷 24-26页

作者：毛向禹任岩中国寰球工程公司北京100029

通过对煤制天然气项目空分装置的设备配置与设计优化的研究,在装置规模确定、空压机组选择等方面的配置及优化过程中,充分论证空分装置拟选的各主要技术方案、技术措施的安全可靠性与技术经济性,其最大程度地降低了设备、土建、土地等... 详细信息

通过对煤制天然气项目空分装置的设备配置与设计优化的研究,在装置规模确定、空压机组选择等方面的配置及优化过程中,充分论证空分装置拟选的各主要技术方案、技术措施的安全可靠性与技术经济性,其最大程度地降低了设备、土建、土地等一次性投资成本及生产管理、运行能耗等生产运行时的长期管理成本,最大限度地保证了空分装置投资费用控制和连续、稳定、安全运行。

关键词：煤制天然气空分规模空压机能耗

Oxygen deficiency mechanism of La3Ni2O7–δunder pressure

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Science China(Physics,Mechanics & Astronomy) 2025年第04期Mechanics & Astronomy) .卷 175-183页

作者： yu Chen Ke Zhang Minghui Xu yan Zhao Haiyan Xiao Liang Qiao School of Physics University of Electronic Science and Technology of China

The recent discovery of superconductivity in pressurized bilayer nickelate La3Ni2O7has triggered tremendous research ***,the experimentally observed oxygen deficiency implies that obtaining perfect stoichiometric single crystals is still *** influence of oxygen deficiency on physical properties remains ***,we construct a chemical potential phase diagram to characterize the stability of *** narrow stable region explains the difficulty of synthesizing pure ***,oxygen defect studies reveal that the interlayer apical oxygen vacancy has the highest defect concentrations and is responsible for oxygen ***,unfolding band structures show as the oxygen-deficient variant increases,Ni 3dz2 bands shift toward a lower energy position under the Fermi level atΓpoint,which is adverse to the metallization of Ni 3dz2 ***,high-pressure calculations indicate that oxygen vacancy would destroy the hybridization of interlayer Ni 3dz2 orbitals,and the larger the oxygen deficiency,the higher the pressure needed to metalize the Ni ***,the oxygen deficiency would suppress the emergence of superconductivity in La3Ni2O7–δ.Our results elucidate the mechanism of oxygen deficiency for superconductivity in La3Ni2O7–δand provide instructive guidance to the experimental research.

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紫外光人工加速老化箱用辐照度仪的测量原理

合成材料老化与应用 2017年第3期46卷 122-123,132页

作者：高祥周彦宇广州合成材料研究院有限公司广东广州510665

研制了一种新型的紫外辐照度校准系统,溯源至中国计量科学研究院(NIM)。可对紫外光人工加速老化箱在波长340nm(UVA)、313nm(UVB)处进行测量、校准。该文针对该校准系统测量原理进行了阐述。

关键词：紫外老化箱辐照度校准计量

Development and prospect of near-infrared spectroscopy-assisted schizophrenia diagnosis based on bibliometrics

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World Journal of Psychiatry 2025年第1期15卷 7-11页

作者： yan Zhang Hao-yu Xing Juan yan Administration Office Lishui Second People’s HospitalLishui 323060Zhejiang ProvinceChina Department of Medical Engineering The Affiliated Mental Health Center&Hangzhou Seventh People's HospitalZhejiang University School of MedicineHangzhou 310013Zhejiang ProvinceChina Quality Control Office The Affiliated Mental Health Center&Hangzhou Seventh People's HospitalZhejiang University School of MedicineHangzhou 310013Zhejiang ProvinceChina

In this editorial,we comment on the recent article by Fei et al exploring the field of near-infrared spectroscopy(NIRS)research in schizophrenia from a bibliometrics *** recent years,NIRS has shown unique advantages in the auxiliary diagnosis of schizophrenia,and the introduction of bibliometrics has provided a macro perspective for research in this *** the opportunities brought about by these technological developments,remaining challenges require multidi-sciplinary approach to devise a reliable and accurate diagnosis system for ***,NIRS-assisted technology is expected to contribute to the division of methods for early intervention and treatment of schizophrenia.

关键词： Bibliometrics Schizophrenia Near-infrared spectroscopy Diagnostic technique Data analysis

Solar cycles during the seventeenth century revealed by equatorial aurora records

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Earth and Planetary Physics 2025年第1期9卷 182-187页

作者： Yong Wei LiMei yan Key Laboratory of Earth and Planetary Physics Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China College of Earth and Planetary Sciences University of Chinese Academy of SciencesBeijing 100049China

Solar cycles are fundamental to astrophysics,space exploration,technological infrastructure,and Earth's climate.A better understanding of these cycles and their history can aid in risk mitigation on Earth,while also deepening our knowledge of stellar physics and solar system *** the solar cycles between 1600 and 1700-especially the post-1645 Maunder Minimum,characterized by significantly reduced solar activity-poses challenges to existing solar activity *** study utilizes a new red equatorial auroral catalog from ancient Korean texts to establish solar cycle patterns from 1623 to ***,a further reevaluation of the solar cycles between 1610 and 1755 identified a total of 13 cycles,diverging from the widely accepted record of 12 cycles during that *** research enhances our understanding of historical solar activity,and underscores the importance of integrating diverse historical sources into modern analyses.

关键词： solar cycle Maunder Minimum solar activity red equatorial aurora West Pacific geomagnetic anomaly