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第二次国共内战时期国统区县级财政改革及运行困境——以四川省县税捐稽征处为中心的考察

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边疆经济与文化 2024年第10期 95-103页

作者：李玉苹苏腾飞陕西师范大学历史文化学院西安710000 浙江省委党校“八八战略”创新发展研究院杭州310000

抗战胜利后,国民政府重新调整中央地方财政关系,强化县级财政能力,对县级税征机构进行了一系列调整,特别是在1947年改组税捐征收处为税捐稽征处,增强税捐稽征的专业性,试图对各类税捐实行自征;同时还裁汰部分税务人员,以缩减地方开支,... 详细信息

抗战胜利后,国民政府重新调整中央地方财政关系,强化县级财政能力,对县级税征机构进行了一系列调整,特别是在1947年改组税捐征收处为税捐稽征处,增强税捐稽征的专业性,试图对各类税捐实行自征;同时还裁汰部分税务人员,以缩减地方开支,但县级财政改革并未达到既定目标,在国统区的四川,反而因税征体系的调整使县税征税环境进一步恶化。战时状态下央地财权与事权分配的失衡和县级财政制度设计的缺陷是国民政府县级财政改革失败的主要原因。

关键词：县税捐稽征处县级财政四川财政改革

CaO-B_(2)O_(3)-SiO_(2)微晶玻璃的制备及介电性能

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硅酸盐通报 2024年第4期43卷 1274-1283页

作者：卫志洋王晓东苏腾陈欢乐高峰苗洋太原理工大学材料科学与工程学院太原030024

低介电常数、低介电损耗的微晶玻璃是制造低温共烧陶瓷基板的重要材料。本文采用熔融水淬法制备了CaO-B_(2)O_(3)-SiO_(2)(CBS)微晶玻璃,重点研究了m(CaO)/m(SiO_(2))质量比、B_(2)O_(3)含量对CBS微晶玻璃介电性能的影响。结果表明:CBS... 详细信息

低介电常数、低介电损耗的微晶玻璃是制造低温共烧陶瓷基板的重要材料。本文采用熔融水淬法制备了CaO-B_(2)O_(3)-SiO_(2)(CBS)微晶玻璃,重点研究了m(CaO)/m(SiO_(2))质量比、B_(2)O_(3)含量对CBS微晶玻璃介电性能的影响。结果表明:CBS微晶玻璃的主要晶相有Ca_(3)Si_(3)O_(9)、Ca_(2)B_(2)O_(5)、CaB_(2)O_(4)、SiO_(2)和Ca_(2)SiO_(4)。随着m(CaO)/m(SiO_(2))质量比的增加,介电常数增加,介电损耗先降低后增加;硅灰石相的增多使介电损耗从2.87×10^(-3)降到1.36×10^(-3),介电损耗随着SiO_(2)、Ca_(2)B_(2)O_(5)和CaB_(2)O_(4)含量的增加而增大。随着B_(2)O_(3)含量的增加,介电常数先增加后减少,而介电损耗则相反。当m(CaO)/m(SiO_(2))质量比为0.89、B_(2)O_(3)含量为15%(质量分数)时,在900℃烧结3 h,CBS微晶玻璃的热膨胀系数为7.16×10^(-6)℃^(-1),介电常数为5.85,介电损耗为1.37×10^(-3)(10 GHz)。

关键词： CaO-B_(2)O_(3)-SiO_(2) 微晶玻璃介电常数介电损耗微观结构低温共烧

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基于指纹图谱与化学计量学的藿香正气软胶囊质量控制方法研究

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中国现代中药 2024年第2期26卷 378-386页

作者：马宿杉苏建李舒琪苏紫藤王常顺刘永利河北科技大学河北石家庄050000 河北省药品医疗器械检验研究院/河北省中药质量评价与标准研究重点实验室河北石家庄050000 河北中医学院河北石家庄050000

目的:建立藿香正气软胶囊的高效液相色谱法(HPLC)指纹图谱及多指标成分测定方法,结合化学计量学方法评价藿香正气软胶囊的质量。方法:采用HPLC,SHIMADZU VP-ODSC18色谱柱(250 mm×4.6 mm,5μm),以乙腈-0.1%磷酸水溶液为流动相,梯度洗脱... 详细信息

目的:建立藿香正气软胶囊的高效液相色谱法(HPLC)指纹图谱及多指标成分测定方法,结合化学计量学方法评价藿香正气软胶囊的质量。方法:采用HPLC,SHIMADZU VP-ODSC18色谱柱(250 mm×4.6 mm,5μm),以乙腈-0.1%磷酸水溶液为流动相,梯度洗脱,流速为1.0 mL·min^(–1),梯度波长为254、283 nm,柱温为30℃,进样量为10μL,建立指纹图谱及多指标成分测定方法,结合化学计量学方法对不同批次藿香正气软胶囊质量进行分析和评价。结果:建立了藿香正气软胶囊的HPLC指纹图谱,共标定了22个共有峰,15批藿香正气软胶囊指纹图谱的相似度均在0.8以上;对甘草苷、柚皮芸香苷、橙皮苷、水合氧化前胡素、白当归脑、欧前胡素、和厚朴酚、珊瑚菜素、异欧前胡素、厚朴酚10个成分进行了含量测定;化学计量学分析表明,不同企业生产的藿香正气软胶囊质量存在一定差异,区分各样品的质量差异标志物为水合氧化前胡素、和厚朴酚、异欧前胡素、珊瑚菜素、厚朴酚和甘草苷。结论:建立的HPLC指纹图谱及多指标成分测定方法准确、简便,结合化学计量学方法可用于评价藿香正气软胶囊的质量。

关键词：藿香正气软胶囊指纹图谱化学计量学聚类分析主成分分析正交偏最小二乘法-判别分析质量评价

Comparison of channel geometry changes in Inner Mongolian reach of the Yellow River before and after joint operation of large upstream reservoirs

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Journal of Geographical Sciences 2015年第8期25卷 930-942页

作者： su teng WANG suiji MEI Yanguo SHAO Wenwei Key Laboratory of Water Cycle and Related Land surface Processes Institute of Geographic Sciences and Natural Resources Research CAS Beijing 100101 China University of Chinese Academy of Sciences Beijing 100049 China

The impact of reservoirs on downstream river channel change has been a scientific issue in fluvial geomorphology during the last few decades. However, it is still a difficult issue as to how to express quantitatively the channel adjustment in the Inner Mongolian reach of the Yellow River induced by the joint operation of upstream reservoirs. Based on the shape parameters of channel cross-sections at four gauging stations in this river reach over a flooding season in two periods, 1978–1982 and 2008–2012, the present work investigated the channel changes in terms of shape parameter change rate under the same controlling water level in each flooding season at the channel cross-sections. Results showed that most of the change rates of the parameters evidently increased over a flooding season in both periods. However, the change rate of each parameter at the cross-sections decreased evidently in the latter period, compared with the former period. At the same time, the distribution pattern of the change rate of the shape parameters along the cross-sections thus changed from a convex curve in the former period to an S-shaped curve in the latter period. The obvious decrease of the change rates is related to the joint operation of the Liujiaxia and Longyangxia reservoirs. The reservoirs stored a large volume of water and decreased the peak discharge and maximum velocity in the flooding season; as a result, the erosion ability of the flood decreased accordingly. With the joint operation of the large reservoirs, the Inner Mongolian channel shrunk markedly. Therefore, the channel will present the possibility of an extreme flood in the future. Consequently, it is reasonable to adjust the function of the reservoirs in future. The total water and sediment discharges and the peak discharge in flooding seasons should be effectively controlled. Continuous shrinkage of the channel can thus be avoided and it can be ready for a potential extreme flood.

关键词： channel cross-section shape parameters change rate reservoir joint operation Yellow River

Research advance of Bacillus velezensis:bioinformatics,characteristics,and applications

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Food Science and Human Wellness 2024年第4期13卷 1756-1766页

作者： Ting su Biao Shen Xingjuan Hu Yue teng Peifang Weng Zufang Wu Lianliang Liu State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of ZhejiangZhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and NutritionSchool of Food and Pharmaceutical SciencesNingbo UniversityNingbo 315000China Zhoushan Customs District Zhoushan 316100China

Bacillus velezensis is a Gram-positive and spore-forming *** has potent antimicrobial properties that can be used to promote plant growth and as a pesticide by inhibiting *** has the capability to generate a diverse range of enzymes that have potential applications in various fields,such as enzyme production,fermented food,degradation of pollutants,and *** addition,*** is a promising *** possesses high bile-salt tolerance characteristics and has a high success rate of colonization in the intestinal ***,the strain can also regulate gut microbiota constitute by increasing the number of beneficial microorganisms and decreasing the number of ***,based on its special properties,including high-yield protease production and high salt-tolerance,*** shows potential for use in marine protein fermentation,opening up new avenues for the development of novel food products and bioactive *** addition,*** can shorten the fermentation time as well as improve the nutritional value and flavor of fermented *** safety of *** for food production was *** review provides valuable insights into the potential uses and benefits of ***,particularly in the context of fermented foods.

关键词： Bacillus velezensis Bioinformatics Properties Fermentation Bioactive peptides

Recent innovations in laser additive manufacturing of titanium alloys

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International Journal of Extreme Manufacturing 2024年第3期6卷 2-37页

作者： Jinlong su Fulin Jiang Jie teng Lequn Chen Ming Yan Guillermo Requena Lai-Chang Zhang Y Morris Wang Ilya V Okulov Hongmei Zhu Chaolin Tan College of Materials Science and Engineering Hunan UniversityChangsha 410082People’s Republic of China Singapore Institute of Manufacturing Technology(SIM Tech) Agency for ScienceTechnology and Research(A∗STAR)5 Cleantech LoopSingapore 636732Singapore Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055People’s Republic of China Institute of Materials Research German Aerospace Center(DLR)Linder Höhe51147 CologneGermany Centre for Advanced Materials and Manufacturing Edith Cowan University270 Joondalup DriveJoondalupPerthWestern Australia 6027Australia Department of Materials Science and Engineering University of CaliforniaLos AngelesCA 900095United States of America Leibniz Institute for Materials Engineering-IWT Badgasteiner Str.328359 BremenGermany Faculty of Production Engineering University of BremenBadgasteiner Str.128359 BremenGermany Key Laboratory of Hunan Province of Equipment Safety Service Technology under Extreme Environment University of South ChinaHengyangPeople’s Republic of China RWTH Aachen University Metallic Structures and Materials Systems for Aerospace EngineeringD-52062 AachenGermany

Titanium(Ti)alloys are widely used in high-tech fields like aerospace and biomedical *** additive manufacturing(LAM),as an innovative technology,is the key driver for the development of Ti *** the significant advancements in LAM of Ti alloys,there remain challenges that need further research and development *** recap the potential of LAM high-performance Ti alloy,this article systematically reviews LAM Ti alloys with up-to-date information on process,materials,and *** feasible solutions to advance LAM Ti alloys are reviewed,including intelligent process parameters optimization,LAM process innovation with auxiliary fields and novel Ti alloys customization for *** auxiliary energy fields(***,acoustic,mechanical deformation and magnetic fields)can affect the melt pool dynamics and solidification behaviour during LAM of Ti alloys,altering microstructures and mechanical *** kinds of novel Ti alloys customized for LAM,like peritecticα-Ti,eutectoid(α+β)-Ti,hybrid(α+β)-Ti,isomorphousβ-Ti and eutecticβ-Ti alloys are reviewed in ***,machine learning in accelerating the LAM process optimization and new materials development is also *** review summarizes the material properties and performance envelops and benchmarks the research achievements in LAM of Ti *** addition,the perspectives and further trends in LAM of Ti alloys are also highlighted.

关键词： additive manufacturing titanium alloys auxiliary field machine learning aerospace materials lightweight materials novel alloys

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基于空间相关性变换的声学模型训练

电子与信息学报 2010年第4期32卷 1003-1007页

作者：苏腾荣吴及王作英清华大学电子工程系北京100084

为了在语音识别中增强对不同语音单元之间的相关性的利用,该文基于空间相关性变换(Spatial Correlation Transformation,SCT)框架,提出一种新的模型训练算法,在说话人无关模型的训练中利用训练数据中的空间相关性进行模型参数重估。该... 详细信息

为了在语音识别中增强对不同语音单元之间的相关性的利用,该文基于空间相关性变换(Spatial Correlation Transformation,SCT)框架,提出一种新的模型训练算法,在说话人无关模型的训练中利用训练数据中的空间相关性进行模型参数重估。该算法对所有训练数据进行空间相关性变换,削弱数据间的空间相关性,使重估的模型更不依赖训练数据,以改善模型的性能。实验表明,基于空间相关性变换框架的模型训练方法与基于该框架的特征变换方法相结合,使系统的平均错误率相对基线系统下降了18%。

关键词：语音识别空间相关性特征变换模型训练

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客运专线长编动车组自动过分相问题探析

铁道标准设计 2015年第6期59卷 135-137页

作者：苏腾江中铁第一勘察设计院集团有限公司西安710043

针对近期开通的客运专线在联调联试过程中发现自动过分相存在两次断合VCB(真空断路器)的异常问题,通过对车载设备的记录数据及地面自动过分相装置的设置情况进行分析,找到两次断合VCB异常问题的原因,通过调整地面磁感应器的设置位置或... 详细信息

针对近期开通的客运专线在联调联试过程中发现自动过分相存在两次断合VCB(真空断路器)的异常问题,通过对车载设备的记录数据及地面自动过分相装置的设置情况进行分析,找到两次断合VCB异常问题的原因,通过调整地面磁感应器的设置位置或修改列控车载设备软件参数可解决该异常问题。

关键词：客运专线动车组分相区地面磁感应器

SnO_(2)/metal organic complex composite derived from low-temperature activated metal organic complex for advanced lithium storage

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Rare Metals 2024年第7期43卷 3032-3043页

作者： Gui-Long Liu Zi-Han Zhao Jin-Ke Shen Zi-Bo Zhao Nai-teng Wu Dong-Lei Guo Wei-Wei Yuan Yong Liu Ye-Hua su Xian-Ming Liu Luoyang Key Laboratory of Green Energy Materials College of Chemistry and Chemical EngineeringLuoyang Normal UniversityLuoyang 471934China School of Materials Science and Engineering Henan University of Science and TechnologyLuoyang 471023China Inner Mongolia Shijie Chemical Co. Ltd.Alxa League 737300

Sn-based metal organic complexes with coordination bonds,multi-active sites,and high theoretical capacity have attracted much attention as promising anodes for lithium ion ***,the low electrical conductivity and huge volume changes restricted their electrochemical stability and practical ***,Snbased anode with superior electrochemical performance,including a high reversible capacity of 1050.1 mAh·g^(-1)at 2 A·g^(-1)and a stable capacity of 1105.5 mAh·g^(-1)after 500 cycles at 1 A·g^(-1),was fabricated via a low-temperature calcination strategy from Sn metal organic *** low-temperature calcination process regulates Sn-O bond and prevents the agglomeration of SnO_(2),generating highly dispersed SnO_(2) decorated metal organic complexes and providing sufficient active sites for ion *** situ characterizations expound that the undecomposed Sn-based metal organic complexes could be transformed into SnO_(2) during lithiation and delithiation,which enhances the electrical conductivity and induces a strong pseudo-capacitive behavior,accelerating the electrochemical kinetics;the multiple solid electrolyte interface with inflexible LiF and flexible ROCO_(2)Li buffers the volume variation of the electrode,resulting in its high electrochemical *** work provides a simple strategy for preparing excellent Sn-based anodes from metal organic complexes and reveals the lithium storage mechanism of the prepared Snbased anode.

关键词： Metal organic complex Lithium ion battery Electrochemical activation Low-temperature activation Partial decomposition