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PITCH: 作品数：260被引量：360H指数：8; 导出分析报告; 相关作者：王彦辉解焱陆郑浩郭燕生查庆芳更多>>; 相关机构：索通发展股份有限公司郑州轻金属研究院山东晨阳新型碳材料股份有限公司济南万方炭素有限责任公司更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Grating pitch comparison measurement based on Cr atomic transition frequency and Si lattice constant: 《Chinese Physics B》2025年第2期82-88,共7页Jingtong Feng Rao Xu Ziruo Wu Lihua Lei Yingfan Xiong Zhaohui Tang Guangxu Xiao Yuying Xie Dongbai Xue Xiao Deng Xinbin Cheng Tongbao Li; Project supported by the National Natural Science Foundation of China (Grant Nos. 61925504 and 52475563);the National Key Research and Development Program of China (Grant Nos. 2022YFF0607600 and 2022YFF0605502);Key Laboratory of Metrology and Calibration Technology Fund Project (Grant No. JLKG2023001B001);Aeronautical Science Foundation Project (Grant No. 20230056038001)。; Traceability is the fundamental premise of all metrological activities. The establishment of a traceability chain characterized by a shortened structure, while simultaneously enabling on-site traceability, represents ...; 关键词：NANOMETROLOGY self-traceable standard material Si lattice constant

Design and Application of Turbine Cascade Partitioned Endwall Profiling: 《Journal of Thermal Science》2025年第1期110-128,共19页ZENG Fei JIANG Ruiqi XUE Xingxu DU Wei LUO Lei ZHOU Xun; the financial support provided by the National Science and Technology Major Project(J2019-Ⅳ-0008-0076,No.2019-Ⅱ-0010-0030);Natural Science Fund for Excellent Young Scholars of Heilongjiang Province(No.YQ2021E023)。; The influence of partitioned profiling design based on a large-pitch highly loaded cascade is studied by numerical simulation.The partitioned profile is mainly composed of a pressure-side convex structure near the lea...; 关键词：large-pitch highly loaded cascade highly loaded design non-axisymmetrical endwall design secondary flow control partitioned endwall profiling

Effect of introducing oxygen into ethylene tar pitches on their carbonaceous products: 《Chinese Journal of Chemical Engineering》2024年第12期135-146,共12页Rongqi Chen Yongzheng Zhang Yanli Wang Chunyin Shen Liang Zhan Licheng Ling; financially supported by the National Natural Science Foundation of China(22075081,52372045 and U1710252);the Fundamental Research Funds for the Central Universities(JKD01231701);China Postdoctoral Science Foundation(2023M731084);Shanghai Sailing Program of China(23YF1408900).; Ethylene tar is a prospective precursor for preparing carbonaceous materials,which is regarded as a representative soft carbon material after carbonization.However,the introduction of oxygen can influence the morpholo...; 关键词：Fuel OXIDATION Ethylene tar pitch CARBONIZATION Hard carbon Chemical processes

Optimal Pitch Size of a Biphilic Surface for Boiling Heat Transfer at Subatmospheric Pressures: 《Frontiers in Heat and Mass Transfer》2024年第6期1645-1660,共16页Ivan Malakhov Anton Surtaev Vladimir Serdyukov Ali Kosar Alexander Pavlenko; The work was carried out under the state contract of IT SB RAS(No.121031800216-1);supported by the joint funding of RFBR(No.20-58-46008,Anton Surtaev);TUBITAK(No.119N401,Ali Kosar).; To date,using biphilic surfaces is one of the most promising methods for enhancing heat transfer and critical heat flux during boiling simultaneously.However,most of studies on the effect of biphilic surfaces on boili...; 关键词：BOILING subatmospheric pressures heat transfer pitch size optimal configuration biphilic surfaces

Synthesis of pitch-derived carbon anodes for high-performance potassium-ion batteries: 《新型炭材料（中英文）》2024年第6期1117-1127,共11页JIANG Ming-chi SUN Ning YU Jia-xu WANG Ti-zheng Razium Ali Somoro JIA Meng-qiu XU Bin; 国家自然科学基金(52072021);中央高校基本科研业务费(buctrc202141)。; Potassium-ion batteries(PIBs)hold promise for large-scale energy storage,necessitating the development of high-performance anode materials.Carbons with the advantage of structural versatility,are recognized as the mos...; 关键词：Potassium-ion batteries PITCH Carbon material ANODE MECHANISM

Optimal Design Criteria of Tandem Configuration for High-Load Compressor Cascades: 《Journal of Thermal Science》2024年第6期2047-2058,共12页MAO Xiaochen JIAO Yingchen CHENG Hao ZHANG Botao LIU Bo; supported by the National Natural Science Foundation of China(Grant numbers 52106057,92152301);the Fundamental Research Funds for the Central Universities(Grant number D5000210483);the Foundation of State Level Key Laboratory of Airfoil and Cascade Aerodynamics(Grant numbers D5150210006,D5050220008);the 111 Project(No.B17037);the Key Laboratory of Flow Visualization and Measurement Techniques,AVIC Aerodynamics Research Institute(D5110220177).; Axial overlap(AO)and percent pitch(PP)are considered as key position configuration parameters that affect the tandem cascade performance.The objective of the current study is to investigate the optimal design criteria...; 关键词：axial compressor tandem cascade axial overlap percent pitch optimal design criteria

Pitch-derived soft carbon composite with hard carbon fibers for high-rate and long-cycling K^(+) storage: 《西北师范大学学报（自然科学版）》2024年第6期53-62,I0003,共11页PENG Jiao WANG Rui JIN Jun HE Bei-bei GONG Yan-sheng WANG Huan-wen; 国家自然科学基金资助项目(22279122);深圳市自然科学基金资助项目(JCYJ20220530162402005)。; Potassium-ion batteries(KIBs)have been seen as a competitive alternative to lithium-ion batteries(LIBs)due to their natural abundance,low cost and rocking chair-like operating mechanism similar to LIBs.Soft carbon has...; 关键词：soft carbon hard carbon potassium ion capacitors carbon fibers PITCH

Parametric investigation of railway fastenings into the formation and mitigation of short pitch corrugation: 《Railway Engineering Science》2024年第3期286-306,共21页Pan Zhang Shaoguang Li Rolf Dollevoet Zili Li; China Scholarship Council for support; Short pitch corrugation has been a problem for railways worldwide over one century.In this paper,a parametric investigation of fastenings is conducted to understand the corrugation formation mechanism and gain insight...; 关键词：Short pitch corrugation Fastening modelling and parameters Corrugation formation and mitigation Rail longitudinal compression modes Finite element vehicle-track interaction model

Facile construction of porous carbon fibers from coal pitch for Li-S batteries: 《International Journal of Coal Science & Technology》2024年第4期290-298,共9页Junzhuo Guo Zhiping Lei Honglei Yan Weidong Zhang Zhan-Ku Li Zhiming Du Jingchong Yan Hengfu Shui Shibiao Ren Zhicai Wang Shigang Kang; support from the Natural Scientific Foundation of China(22078002,22108004,and 22178002);supported also by the Anhui Provincial Department of Education key Project in Natural science for Universities(2023AH051114 and 2022AH050331).; Coal pitch,an important by-product in the coal coking industry with a high output,is a low-cost and high-carbon yield precursor for the manufacturing of high-value carbon materials.Herein,N/O co-doped carbon fber(CFcp...; 关键词：Coal pitch Carbon fiber Li-S batteries Lithium polysulfides adsorption Catalytic conversion

Onrad系统宫颈癌放疗兆伏级CT扫描pitch选择对摆位误差的影响: 《分子影像学杂志》2024年第8期851-855,共5页张清圣吕得刚史亚滨郑介周钟鹤立; 目的应用断层径照放疗系统(Onrad系统)进行宫颈癌放疗,研究Onrad系统在兆伏级CT(MVCT)扫描时pitch选择对摆位误差的影响。方法选取2023年10月~2024年1月深圳市人民医院放疗科接受Onrad系统放疗的16例宫颈癌患者,根据患者放疗时MVCT扫描...; 关键词：MVCT Onrad系统摆位误差宫颈癌

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