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The FAST all sky HI survey(FASHI):The first release of catalog

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Science China(Physics,Mechanics & Astronomy) 2024年第1期67卷 112-133页

作者： Chuan-Peng Zhang Ming Zhu Peng jiang Cheng Cheng Jing Wang Jie Wang Jin-Long Xu Xiao-Lan Liu Nai-Ping Yu Lei Qian Haiyang Yu Mei Ai Yingjie Jing Chen Xu Ziming Liu Xin Guan Chun Sun qingliang Yang Menglin Huang Qiaoli Hao FAST Collaboration Guizhou Radio Astronomical Observatory Guizhou UniversityGuiyang 550000China National Astronomical Observatories Chinese Academy of Sciences(CAS)Beijing 100101China Chinese Academy of Sciences South America Center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China Kavli Institute for Astronomy and Astrophysics Peking UniversityBeijing 100871China

The FAST All Sky HI survey(FASHI)was designed to cover the entire sky observable by the Five-hundred-meter Aperture Spherical radio Telescope(FAST),spanning approximately 22000 square degrees of declination between-14°and+66°,and in the frequency range of 1050-1450 MHz,with the expectation of eventually detecting more than 100000 HI *** August 2020 and June 2023,FASHI had covered more than 7600 square degrees,which is approximately 35%of the total sky observable by *** has a median detection sensitivity of around 0.76 m Jy beam-1and a spectral line velocity resolution of~6.4 km s-1at a frequency of~1.4 *** of now,a total of 41741 extragalactic HI sources have been detected in the frequency range 1305.5-1419.5 MHz,corresponding to a redshift limit of z■*** cross-matching FASHI sources with the Siena Galaxy Atlas(SGA)and the Sloan Digital Sky Survey(SDSS)catalogs,we found that 16972(40.7%)sources have spectroscopic redshifts and 10975(26.3%)sources have only photometric *** of the remaining 13794(33.0%)HI sources are located in the direction of the Galactic plane,making their optical counterparts difficult to identify due to high extinction or high contamination of Galactic stellar *** on current survey results,the FASHI survey is an unprecedented blind extragalactic H I *** has higher spectral and spatial resolution and broader coverage than the Arecibo Legacy Fast ALFA Survey(ALFALFA).When completed,FASHI will provide the largest extragalactic HI catalog and an objective view of HI content and large-scale structure in the local universe.

关键词： surveys redshifts galaxies telescope radio lines HI line

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9SiCr钢搓丝板早期崩牙分析

大型铸锻件 1999年第2期 5-9页

作者：范允昕蒋清亮西安仪表工业学校陕西710000

本文着重从力学、热处理质量两方面分析了 9Si Cr钢搓丝板早期崩牙的原因。讨论了失效形式与材料强韧性能及显微组织之间的关系。

关键词：搓丝板崩牙预先热处理螺纹加工

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提高9SiCr钢搓丝板寿命的工艺探索

大型铸锻件 1999年第3期 34-38页

作者：范允昕蒋清亮西安仪表工业学校陕西710000

针对 9Si Cr钢搓丝板在使用中经常发生的早期崩牙失效问题 ,从改善材料的塑性 ,韧性 ,充分发挥材料高强度潜力出发 ,通过工艺试验 ,提出了高温预热、低温短时加热淬火的工艺方案。并对 9Si Cr钢的组织、回火温度与强韧性能之间的关系进... 详细信息

针对 9Si Cr钢搓丝板在使用中经常发生的早期崩牙失效问题 ,从改善材料的塑性 ,韧性 ,充分发挥材料高强度潜力出发 ,通过工艺试验 ,提出了高温预热、低温短时加热淬火的工艺方案。并对 9Si Cr钢的组织、回火温度与强韧性能之间的关系进行了探讨。

关键词： 9SiCr钢搓丝板崩牙热处理

DESTINY-Breast04:Calm Thinking on the HER2-low

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Clinical Cancer Bulletin 2022年第3期1卷 160-163页

作者： qingliang jiang Jie TANG Xianglin LIU Yingjie jiang Yanfang LIU Hengyu LI The First Affiliated Hospital of Naval Medical University Shanghai 200433China Daiichi Sankyo(China)Holdings Co. Ltd.Shanghai 200040China

The DESTINY-Breast04(DB-04)trial is a phaseⅢclinical trial that examined the efficacy of trastuzumab deruxtecan(T-DXd),an anti-HER2-antibody drug,in patients with low HER2 expression(HER2-low)advanced breast *** study enrolled patients with HER2-low,unresectable,and/or recurrent metastatic breast cancer(mBC)who were resistant to previous endocrine therapy and had received one or two previous lines of *** the 557 enrolled patients,494(88.7%)patients had hormone receptor-positive(HR+)mBC and 63(11.3%)patients had hormone receptor-negative(HR−)mBC.

关键词： HER2-low T-DXd metastatic breast cancer

HiFAST:An HI Data Calibration and Imaging Pipeline for FAST.Ⅱ.Flux Density Calibration

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Research in Astronomy and Astrophysics 2024年第8期24卷 100-112页

作者： Ziming Liu Jie Wang Yingjie Jing Zhi-Yu Zhang Chen Xu Tiantian Liang Qingze Chen Ningyu Tang qingliang Yang National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China Institute for Frontiers in Astronomy and Astrophysics Beijing Normal UniversityBeijing 102206China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Key Laboratory of Modern Astronomy and Astrophysics Nanjing UniversityNanjing 210023China Department of Physics Anhui Normal UniversityWuhu 241002China

Accurate flux density calibration is essential for precise analysis and interpretation of observations across different observation modes and *** this research,we first introduce the flux calibration model that incorporated in Hi FAST pipeline,and designed for processing HⅠ21 cm ***,we investigate different calibration techniques and assess the dependence of the gain parameter on the time and environmental factors.A comparison is carried out in various observation modes(e.g.,tracking and scanning modes)to determine the flux density gain(G),revealing insignificant discrepancies in G among different ***-term monitoring data shows a linear correlation between G and atmospheric *** subtracting the G-Temperature dependence,the dispersion of G is reduced to~5%)when utilizing a constant G for calibration *** study will serve as a useful addition to the results provided by jiang et *** measurement of G for the 19 beams of FAST,covering the frequency range 1000-1500 MHz,can be found on the Hi FAST homepage:https://***/fluxgain.

关键词： telescopes-techniques image processing-methods observational-radio continuum galaxies-cosmology observations

HiFAST:An HIdata calibration and imaging pipeline for FAST

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Science China(Physics,Mechanics & Astronomy) 2024年第5期67卷 182-199页

作者： Yingjie Jing Jie Wang Chen Xu Ziming Liu Qingze Chen Tiantian Liang Jinlong Xu Yixian Cao Jing Wang Huijie Hu Chuan-Peng Zhang Qi Guo Liang Gao Mei Ai Hengqian Gan Xuyang Gao Jinlin Han Ligang Hou Zhipeng Hou Peng jiang Xu Kong Fujia Li Zerui Liu Li Shao Hengxing Pan Jun Pan Lei Qian Jinghai Sun Ningyu Tang qingliang Yang Bo Zhang Zhiyu Zhang Ming Zhu National Astronomical Observatories Chinese Academy of SciencesBeijing 100012China Institute for Frontiers in Astronomy and Astrophysics Beijing Normal UniversityBeijing 02206China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China Guizhou Radio Astronomical Observatory Guizhou UniversityGuiyang 55000China Max Planck Institute for Extraterrestrial Physics Garching 85748Germany Kavli Institute for Astronomy and Astrophysics Peking UniversityBeijing 100871China Institute of Computational Cosmology Department of PhysicsUniversity of DurhamDurham DHI 3LEUK CAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China Deep Space Exploration Laboratory/Department of Astronomy University of Science and Technology of ChinaHefei 230026China School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China Astrophysics Department of PhysicsUniversity of OxfordOxford OX/3RHUK College of Earth Sciences Guilin University of TechnologyGuilin 541004China Department of Physics Anhui Normal UniversityWuhu 241002China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Key Laboratory of Modern Astronomy and Astrophysics Nanjing UniversityNanjing 20023China

The Five-hundred-meter Aperture Spherical radio Telescope(FAST)has the largest aperture and a 19-beam L-band receiver,making it powerful for investigating the neutral hydrogen atomic gas(HI)in the *** present HiFAST(https://***),a dedicated,modular,and self-contained calibration and imaging pipeline for processing the H?data of *** pipeline consists of frequency-dependent noise diode calibration,baseline fitting,standing wave removal using an FFT-based method,flux density calibration,stray radiation correction,and gridding to produce data *** modules can be combined as needed to process the data from most FAST observation modes:tracking,drift scanning,On-The-Fly mapping,and most of their *** HiFAST,the root-mean-square(RMS)noises of the calibrated spectra from all 19 beams were only slightly(~5%)higher than the theoretical *** results for the extended source M33 and the point sources are consistent with the results from *** moment maps(0,1 and 2)of M33 agree well with the results from the Arecibo Galaxy Environment Survey(AGES)with a fractional difference of less than 10%.For a common sample of 221 sources with signal-to-noise ratio S/N>10 from the Arecibo Legacy Fast ALFA(ALFALFA)survey,the mean value of fractional difference in the integrated flux density,Sint,between the two datasets is approximately 0.005%,with a dispersion of 15.4%.Further checks on the integrated flux density of 23 sources with seven observations indicate that the variance in the flux density of the source with luminous objects(Sint>2.5 Jy km s-1)is less than 5%.Our tests suggest that the FAST telescope,with the efficient,precise,and user-friendly pipeline HiFAST,will yield numerous significant scientific findings in the investigation of the H?in the universe.

关键词： fractional luminous correction

社会技术系统视角下众包创新的知识产权风险影响因素研究

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江苏科技大学学报（社会科学版） 2024年第1期24卷 63-72页

作者：孟庆良蒋华明江苏科技大学经济管理学院江苏镇江212100

众包创新作为企业突破组织边界、获取和整合外部知识、破解创新难题的新型创新模式,却因组织形式松散、参与主体自由自愿以及信息不对称等弊端而使得知识产权风险日趋凸显。从众包创新一般运作流程出发,识别出侵权、流失和归属三类众包... 详细信息

众包创新作为企业突破组织边界、获取和整合外部知识、破解创新难题的新型创新模式,却因组织形式松散、参与主体自由自愿以及信息不对称等弊端而使得知识产权风险日趋凸显。从众包创新一般运作流程出发,识别出侵权、流失和归属三类众包创新知识产权风险,结合社会技术系统理论,探索众包创新的知识产权风险影响因素,并运用Fuzzy-DEMATEL方法,以一品威客(***)的“智能家居设备外观设计”为对象展开实证研究。结果表明,众包创新参与主体交流反馈程度的中心度最高,是影响众包创新知识产权风险的关键因素。此外,企业知识管理能力、用户机会主义道德风险、信任程度、知识产权保护法律完善程度和用户知识产权意识都是众包创新知识产权风险的影响因素。

关键词：众包创新知识产权风险 Fuzzy-DEMATEL 社会技术系统理论

Organic matter extracted from activated sludge with ammonium hydroxide and its characterization

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Journal of Environmental Sciences 2010年第5期22卷 641-647页

作者： Liangliang Wei Kun Wang qingliang Zhao Junqiu jiang Chunmei Xie Wei Qiu School of Municipal & Environmental Engineering Harbin Institute of Technology Harbin 150090 China State Key Laboratory of Urban Water Resources and Environment Harbin Institute of Technology Harbin 150090 China

In order to characterize the organic properties of waste activated sludge in a wastewater treatment plant,organic matter within sludge was extracted with NH 3 ·H 2 O preferentially,and subsequently fractionated into five fractions using XAD-8/XAD-4 *** to a 63.8%-71.1% of organic matter within the sludge could be efficiently extracted by NH 3 ·H 2 *** results showed that hydrophobic acid and hydrophilic fraction were two main components among the sludge organic matter （accounting for 32.2% and 48.0% of the bulk organic matter,respectively）,whereas transphilic acid,hydrophobic neutral and transphilic neutral were quite low （accounting for 9.2%,5.8% and 4.8%,respectively）.Despite that the extractant of NH 3 ·H 2 O showed a relatively higher extraction efficiency of the aromatic components,the relatively low aromaticity of the organic fractions implied that those non-aromatic components could also be effectively extracted,especially for neutral and hydrophilic *** addition,acidic fractions contained more aromatic humic-like components,whereas the neutral fractions had a greater content of aromatic proteins and soluble microbial byproduct-like *** of sludge organics with NH3·H2O and subsequential fractionation using XAD resins could be a novel method for further characterization of sludge organics.

关键词： sludge organic matter extraction fractionation characterization

Application of a screw conveyor with axial tilt blades on a shearer drum and investigation of conveying performance based on DEM

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Particuology 2022年第2期20卷 91-102页

作者： Liqing Sun Xiaodi Zhang qingliang Zeng Kuidong Gao Kao jiang Jiawei Zhou College of Mechanical and Electronic Engineering Shandong University of Science and TechnologyQingdao 266590China Shandong Province Key Laboratory of Mine Mechanical Engineering Shandong University of Science and TechnologyQingdao 266590China School of Information Science and Engineering Shandong Normal UniversityJinan 250014China School of Mechanical Engineering North China University of Water Resources and Electric PowerZhengzhou 450045China

Screw conveyors are widely employed in industrial fields for conveying bulk *** shearer drum which uses the screw conveying principle is responsible for excavation and conveying coal particles onto the chain *** conveyor performance is affected by potential factors,such as the blade axial tilt angle and style,core shaft form and *** effect of blade axial tilt angle on the conveying performance was investigated with the help of *** the case of the screw conveyor,the mass flow rate,and particle axial velocity increased with increasing positive axial tilt angle,and declined with increasing negative axial tilt *** the case of the drum,the mass flow rate,particle axial velocity,and loading rate first increased and then decreased with increasing positive axial tilt angle,and decreased with increasing negative axial tilt *** results can be considered as a benchmark for screw conveyor and drum structural designs with axial tilt screw blades.

关键词： Screw conveyor Drum Axial tilt angle Conveying performance DEM