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BARREL: 作品数：113被引量：71H指数：5; 导出分析报告; 相关领域：经济管理更多>>; 相关作者：范增杰李晓琴曹志恒王子仁孔令强更多>>; 相关机构：兰州大学北京工业大学安徽医科大学蚌埠医学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金北京市自然科学基金国防科技重点实验室基金国家社会科学基金更多>>

Time calibration of barrel TOF system at BESIII: 《Radiation Detection Technology and Methods》2024年第2期1264-1271,共8页Zhengyuan Chen Shengsen Sun Huaimin Liu Ziyan Deng Gang Li Shuopin Wen Guang Zhao; supported in part by National Key R&D Program of China under Contracts No.2020YFA0406304.; Purpose In the BESIII experiment,a conventional least square method is currently used to calibrate the time-of-flight(TOF)system,aiming to achieve optimal time resolution.However,it is intricate for conventional metho...; 关键词：Time calibration Boosted decision trees Time of flight BESIII

Grain size effect on the assembly quality of micro-scaled barrel formed by microforming: 《Advances in Manufacturing》2024年第1期19-32,共14页Dien Hu Jieyichen Fang Feng Zeng Ming-Wang Fu; funding support to this research from the National Natural Science Foundation of China(Grant No.51835011);the project of ZE1W from The Hong Kong Polytechnic University,and the General Research Fund of Hong Kong Government(Grant No.15223520).; In this research,a method employing micro-extrusion was designed to produce the micro-scaled barrel-shaped parts with complex geometrical features to study the feasibility of the proposed microforming method and its g...; 关键词：Microformed part Size effect EXTRUSION Microstructural evolution Dimensions Assembly accuracy

High-dimensional uncertainty quantification of projectile motion in the barrel of a truck-mounted howitzer based on probability density evolution method: 《Defence Technology（防务技术）》2024年第2期209-221,共13页Mingming Wang Linfang Qian Guangsong Chen Tong Lin Junfei Shi Shijie Zhou; the National Natural Science Foundation of China(Grant No.11472137).; This paper proposed an efficient research method for high-dimensional uncertainty quantification of projectile motion in the barrel of a truck-mounted howitzer.Firstly,the dynamic model of projectile motion is establi...; 关键词：Truck-mounted howitzer Projectile motion Uncertainty quantification Probability density evolution method

Symbols in The Magic Barrel: 《Journal of Literature and Art Studies》2024年第1期48-53,共6页FU He-yuan; The article takes the famous modern American Jewish writer Bernard Malamud’s novel The Magic Barrel as the object of study,and uses symbolism to interpret it,analyzing it one by one in terms of the magic barrel,the c...; 关键词：SYMBOL magic barrel WINDOW

Analysis of the effect of bore centerline on projectile exit conditions in small arms被引量：1: 《Defence Technology（防务技术）》2022年第12期2160-2169,共10页David Leonhardt Mark Garnich Miljenko Lucic; Most finite element models of small arms focus on an idealized barrel,typically one with a perfectly straight bore centerline.Using five different experimentally measured bore centerlines,this investigation analyzes t...; 关键词：Finite element analysis Small arms Barrel dynamics Bore centerline

Design and experiment of a barrel-shaped aeroponic cultivation system: 《International Journal of Agricultural and Biological Engineering》2022年第4期90-94,共5页Shouhe Qi Yunfei Ma Mei Zhang Baoquan Yin Zhenyan Xu Shuguang Liu; This work was financially supported by the Major Agricultural Application Technology Innovation Project of Shandong Province of China(SD2019NJ001 and SD2019NJ009).; Theoretically,aeroponic cultivation is easy to make plant roots in a better growth environment.In order to give better play to the theoretical advantages of aeroponic cultivation,further optimize the structure of the ...; 关键词：aeroponic cultivation soilless cultivation facility agriculture Chinese chive

Vibration characteristics analysis of tank gun barrel with nonuniform cross-section被引量：1: 《Acta Mechanica Sinica》2022年第6期151-166,I0003,共17页Xun Wang Xiaoting Rui Jinghong Wang Jianshu Zhang Genyang Wu Junjie Gu; This work was supported by the Natural Science Foundation of Jiangsu Province(Grant No.BK20190438);the National Natural Science Foundation of China(Grant No.11902158).; The firing accuracy of a tank gun is affected significantly by the flexural motion of the barrel.For the purpose of satisfying the requirement of efficiently and accurately dynamic analysis and optimization of the tan...; 关键词：Tank gun barrel Transfer matrix method for multibody system Differential transform method Vibration characteristics Non-uniform Euler-Bernoulli beam

Surface preparation by mechanical polishing of the 1.3-GHzmono-cell copper cavity substrate prior chemical etching for niobium coating: 《Radiation Detection Technology and Methods》2021年第1期33-41,共9页Fuyu Yang Pei Zhang Jin Dai Zhongquan Li; Purpose Surface quality of the substrate is widely acknowledged to be essential for the niobium thin film deposition. Mucheffort has thus been spent to improve the surface roughness by using various chemical etching t...; 关键词：Copper substrate Surface roughness Mechanical grinding Centrifugal barrel polishing ABRASIVES SUBU

Analysis for the residual prestress of composite barrel for railgun with tension winding被引量：2: 《Defence Technology（防务技术）》2020年第4期893-899,共7页Dong-mei Yin Bao-ming Li Hong-cheng Xiao; Based on the elastic theory of cylindrical shells and the theory of composite laminates,a prediction model for the residual prestress of the simplified round composite barrel for railgun is established.Only the fibre ...; 关键词：RAILGUN BARREL Composite materials Filament winding Winding tension Residual prestress

Total pelvic exenteration and a new model of diversion for giant primitive neuroectodermal tumor of prostate: A case report and review of the literature被引量：1: 《Asian Journal of Urology》2020年第2期181-185,共5页Lichen Teng Liangjun Wei Li Li Yongpeng Xu Yongsheng Chen Yan Cao Wentao Wang Changfu Li; This study was partly supported by Natural Scientific Research Project(H2018048)of Heilongjiang province Science and Technology Department,and it was partly supported by the China Scholarship Council.; The present study reports a rare primitive neuroectodermal tumor (PNET) of prostate.A 27-year-old male was admitted to Harbin Medical University Cancer Hospital (Harbin,China) for dysuria and dyschezia. Magnetic reson...; 关键词：PROSTATE Primitive neuroectodermal tumor Total pelvic exenteration Double barrel sigmoidostomy

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