检索结果-南通市图书馆

试析陶寺遗址2022JXTⅠJ1出土动物形刻划纹饰

在线全文

学校读者我要写书评

暂无评论

考古与文物 2024年第5期 57-64页

作者：高江涛中国社会科学院考古研究所

文章对陶寺遗址新发现的一座水井中出土陶片上动物形象刻划纹饰进行了初步的复原与分析,认为这种扁圆三角形头、臣形目、三趾、歧尾的动物形象被赋予了神性,是非现实中存在的动物,整体上属于先秦时期龙蛇一类纹饰,可能与《山海经》中“... 详细信息

文章对陶寺遗址新发现的一座水井中出土陶片上动物形象刻划纹饰进行了初步的复原与分析,认为这种扁圆三角形头、臣形目、三趾、歧尾的动物形象被赋予了神性,是非现实中存在的动物,整体上属于先秦时期龙蛇一类纹饰,可能与《山海经》中“肥遗”有关。此外,该动物形象与新砦及二里头文化的兽面纹有明显的相近之处,或许存在一定的互动传继关系,也很可能是夏商周龙纹的重要来源之一。

关键词：陶寺遗址水井遗存动物形象龙纹

叠加扰动下的薄煤层采煤机自主调速截割控制技术

在线全文

学校读者我要写书评

暂无评论

煤矿机械 2024年第1期45卷 92-96页

作者：高江涛山西天地煤机装备有限公司太原030006 中国煤炭科工集团太原研究院有限公司太原030006 煤矿采掘机械装备国家工程实验室太原030006

常规采煤机调速截割控制多采用直接转矩控制技术,该方法易受到煤层应力集中系数的影响,导致控制后的截割比能耗较大,控制效果不佳。为此,提出叠加扰动下的薄煤层采煤机自主调速截割控制技术。根据薄煤层力学模型,分析采煤机滚筒在叠加... 详细信息

常规采煤机调速截割控制多采用直接转矩控制技术,该方法易受到煤层应力集中系数的影响,导致控制后的截割比能耗较大,控制效果不佳。为此,提出叠加扰动下的薄煤层采煤机自主调速截割控制技术。根据薄煤层力学模型,分析采煤机滚筒在叠加扰动下的受力情况,并参照煤层的临界宽度计算煤层的应力集中系数,结合截齿修正函数对煤层截割阻抗进行识别,分析采煤机的截割运动参数,并对其进行优化。采用模糊控制原理,设计调速截割控制策略,通过调整截割阻力范围实现对采煤机调速截割控制。以实际采煤矿区为例,运用所提方法对实验采煤机进行自主调速截割控制。结果表明,设计的方法能够良好地控制采煤机的牵引速度,得到的截割比能耗较低。

关键词：叠加扰动薄煤层采煤机调速截割控制

应用200μm钬激光光纤治疗球、膜部尿道狭窄临床分析及新思考

在线全文

学校读者我要写书评

暂无评论

黑龙江医学 2024年第5期48卷 521-524页

作者：高江涛程梦雅毛长青谢遵江郑州市第一人民医院泌尿外科河南郑州450004 哈尔滨医科大学解剖学教研室黑龙江哈尔滨150081

目的:分析和思考内镜下应用(200μm)钬激光光纤治疗球、膜部尿道狭窄的疗效及治疗经验。方法:选取2018年1月—2020年6月样本医院收治的86例内镜下应用冷刀及200μm钬激光光纤治疗男性球、膜部尿道狭窄患者的临床资料进行分析。所有患者... 详细信息

目的:分析和思考内镜下应用(200μm)钬激光光纤治疗球、膜部尿道狭窄的疗效及治疗经验。方法:选取2018年1月—2020年6月样本医院收治的86例内镜下应用冷刀及200μm钬激光光纤治疗男性球、膜部尿道狭窄患者的临床资料进行分析。所有患者尿道造影均提示狭窄段0.05);术后2周,两组患者生理、心理、社会、环境、独立评分均较治疗前明显升高,且观察组高于对照组,差异有统计学意义(t=13.416、5.429、14.367、9.426、5.529,P<0.05)。结论:直视下尿道内切开术(DVIU)应用200μm钬激光光纤较冷刀不增加并发症,术后患者生活质量更高,评估手术疗效则需要狭窄长度和瘢痕厚度综合考虑。

关键词：尿道内切开 200μm钬激光光纤球、膜部尿道狭窄冷刀疗效

Plant growth-promoting properties and anti-fungal activity of endophytic bacterial strains isolated from Thymus altaicus and Salvia deserta in arid lands

在线全文

学校读者我要写书评

暂无评论

Journal of Arid Land 2023年第11期15卷 1405-1420页

作者： ZHAO Mengqi SU Huan HUANG Yin Rashidin ABDUGHENI MA Jinbiao gao jiangtao GUO Fei LI Li College of Life Science and Technology Xinjiang UniversityUrumqi 830046China State Key Laboratory of Desert and Oasis Ecology Key Laboratory of Ecological Safety and Sustainable Development in Arid LandsXinjiang Institute of Ecology and GeographyChinese Academy of SciencesUrumqi 830011China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Biopesticide and Chemical Biology of Ministry of Education College of Life SciencesFujian Agriculture and Forestry UniversityFuzhou 350002China

Endophytes,as crucial components of plant microbial communities,significantly contribute to enhancing the absorption of nutrients such as nitrogen and phosphorus by their hosts,promote plant growth,and degrade pathogenic fungal *** this study,an experiment was conducted in August 2022 to explore the growth-promoting potential of endophytic bacterial strains isolated from two medical plant species,Thymus altaicus and Salvia deserta,using a series of screening *** samples of Thymus altaicus and Salvia deserta were collected from Zhaosu County and Habahe County in Xinjiang Uygur Autonomous Region,China,in July ***,the inhibitory effects of endophytic bacterial strains on the four pathogenic fungi(Fusarium oxysporum,Fulvia fulva,Alternaria solani,and Valsa mali)were determined through the plate confrontation method.A total of 80 endophytic bacterial strains were isolated from Thymus altaicus,while a total of 60 endophytic bacterial strains were isolated from Salvia *** endophytic bacterial strains from both Thymus altaicus and Salvia deserta exhibited plant growth-promoting ***,the strains of Bacillus ***002,Bacillus ***005,Microbacterium ***5,and Rhodococcus ***013 demonstrated strong cellulase-producing activity,siderophore-producing activity,phosphate solubilization activity,and nitrogen-fixing activity,*** of 140 endophytic bacterial strains isolated from Thymus altaicus and Salvia deserta,104 strains displayed anti-fungal activity against Fulvia fulva,Alternaria solani,Fusarium oxysporum,and Valsa ***,the strains of Bacillus ***005,Bacillus ***003,and Bacillus ***7 exhibited robust inhibition rates against all the four pathogenic *** conclusion,the endophytic bacterial strains from Thymus altaicus and Salvia deserta possess both plant growth-promoting and anti-fungal properties,making them promising candidates for future development as growth-promoting agents and

关键词： endophytic bacteria Thymus altaicus Salvia deserta pathogenic fungi plant growth-promoting properties anti-fungal activity

Aerodynamic/stealth design of S-duct inlet based on discrete adjoint method

在线全文

学校读者我要写书评

暂无评论

Applied Mathematics and Mechanics(English Edition) 2024年第4期45卷 725-746页

作者： Jun DENG Ke ZHAO Lin ZHOU Wei ZHANG Bowen SHU jiangtao HUANG Zhenghong gao School of Aeronautics Northwestern Polytechnical UniversityXi’an 710072China Aerospace Technology Institute of China Aerodynamic Research and Development CenterMianyang 621000Sichuan ProvinceChina

It is a major challenge for the airframe-inlet design of modern combat aircrafts,as the flow and electromagnetic wave propagation in the inlet of stealth aircraft are very *** this study,an aerodynamic/stealth optimization design method for an S-duct inlet is *** upwind scheme is introduced to the aerodynamic adjoint equation to resolve the shock wave and flow *** multilevel fast multipole algorithm(MLFMA)is utilized for the stealth adjoint equation.A dorsal S-duct inlet of flying wing layout is optimized to improve the aerodynamic and stealth *** the aerodynamic and stealth characteristics of the inlet are effectively ***,the optimization results are analyzed,and it shows that the main contradiction between aerodynamic characteristics and stealth characteristics is the centerline and crosssectional *** S-duct is smoothed,and the cross-sectional area is increased to improve the aerodynamic characteristics,while it is completely opposite for the stealth *** radar cross section(RCS)is reduced by phase cancelation for low frequency *** method is suitable for the aerodynamic/stealth design of the aircraft airframe-inlet system.

关键词： S-duct inlet aerodynamic/stealth optimization design discrete adjoint upwind scheme multilevel fast multipole algorithm(MLFMA)

An Isotope Labeling Strategy for Discovering Natural Products

在线全文

学校读者我要写书评

暂无评论

An Isotope Labeling Strategy for Discovering Natural Product...

改进型超声引导下针状可视肾镜(Needle perc)钬激光碎石术治疗肾下盏结石的临床评价:与输尿管软镜对比

2015中国酶工程与糖生物工程学术研讨会

作者： jiangtao gao School of Life Sciences FuJian Agriculture and Forestry University

＜正＞Natural products have gained renewed interests with the realization that the genetic capacity of microorganisms to produce these molecules is much larger than ***,genome mining exercises have resulted in the dis...

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

现代泌尿外科杂志 2024年第4期29卷 302-305页

作者：吴辉孔莹莹高江涛陈松林杨银毫李纪华郑州市第一人民医院泌尿外科河南郑州450000

目的比较改进型超声引导下针状可视肾镜(Needle perc)钬激光碎石术和输尿管软镜下钬激光碎石术治疗1~2 cm肾下盏结石的效果,为临床治疗方式的选择提供参考。方法回顾性分析2022年1月—2023年5月郑州市第一人民医院收治的60例肾内单发下... 详细信息

目的比较改进型超声引导下针状可视肾镜(Needle perc)钬激光碎石术和输尿管软镜下钬激光碎石术治疗1~2 cm肾下盏结石的效果,为临床治疗方式的选择提供参考。方法回顾性分析2022年1月—2023年5月郑州市第一人民医院收治的60例肾内单发下盏结石(最大径1~2 cm)患者的临床资料,比较行输尿管软镜钬激光碎石术的30例患者(软镜组)和改进型超声引导下Needle perc钬激光碎石术的30例患者(Needle perc组)的临床资料。结果Needle perc组较软镜组的整体住院时间[(3.00±1.25)d vs.(4.00±1.25)d]、手术时间[(44.63±5.42)min vs.(48.50±7.24)min]和住院花费[(15518±441)元vs.(16872±903)元]均较少(P<0.05)。Needle perc组术后清石率高于软镜组[93.3%(28/30)vs.50.7%(15/30),P<0.001]。术后降钙素原(PCT)上升幅度低于软镜组[(0.02±0.01)vs.(0.12±0.18),P=0.007],而并发症发生率低于软镜组[3.3%(1/30)vs.26.7%(8/30),P=0.030]。结论对于1~2 cm的肾下盏单发结石,改进型超声引导下Needle perc钬激光碎石术清石率较高、并发症发生率低,安全且有效。

关键词：肾结石针状可视肾镜钬激光碎石术输尿管软镜结石清除率

An inulin-type fructan CP-A from Codonopsis pilosula attenuates experimental colitis in mice by promoting autophagy-mediated inactivation of NLRP3 inflammasome

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Natural Medicines 2024年第3期22卷 249-264页

作者： ZHOU jiangtao WANG Jun WANG Jiajing LI Deyun HOU Jing LI Jiankuan BAI Yun’e gao Jianping School of Pharmaceutical Science Shanxi Medical UniversityJinzhong 030600China

Inulin-type fructan CP-A,a predominant polysaccharide in Codonopsis pilosula,demonstrates regulatory effects on immune activity and *** efficacy of CP-A in treating ulcerative colitis(UC)is,however,not *** study employed an in vitro lipopolysaccharide(LPS)-induced colonic epithelial cell model(NCM460)and an in vivo dextran sulfate sodium(DSS)-induced colitis mouse model to explore CP-A’s protective effects against experimental colitis and its underlying *** monitored the clinical symptoms in mice using various parameters:body weight,disease activity index(DAI),colon length,spleen weight,and histopathological ***,molecular markers were assessed through enzyme-linked immunosorbent assay(ELISA),quantitative real-time polymerase chain reaction(qRT-PCR),immunofluorescence(IF),immunohistochemistry(IHC),and Western blotting *** showed that CP-A significantly reduced reactive oxygen species(ROS),tumor necrosis factor-alpha(TNF-α),and interleukins(IL-6,IL-1β,IL-18)in LPS-induced cells while increasing IL-4 and IL-10 levels and enhancing the expression of Claudin-1,ZO-1,and occludin proteins in NCM460 ***,in vivo findings revealed that CPA administration markedly improved DAI,reduced colon shortening,and decreased the production of myeloperoxidase(MPO),malondialdehyde(MDA),ROS,IL-1β,IL-18,and NOD-like receptor protein 3(NLRP3)inflammasome-associated genes/proteins in UC ***-A treatment also elevated glutathione(GSH)and superoxide dismutase(SOD)levels,stimulated autophagy(LC3B,P62,Beclin-1,and ATG5),and reinforced Claudin-1 and ZO-1 expression,thereby aiding in intestinal epithelial barrier repair in colitis ***,the inhibition of autophagy via chloroquine(CQ)diminished CP-A’s protective impact against colitis in *** findings elucidate that CP-A’s therapeutic effect on experimental colitis possibly involves mitigating intestinal inflammation through autophagymediated N

关键词： Inulin-type fructan CP-A Codonopsis pilosula Ulcerative colitis NLRP3 inflammasome Autophagy

在线全文

学校读者我要写书评

暂无评论

试论中国早期国家形成的模式与动力

史学月刊 2019年第6期 21-33页

作者：高江涛中国社会科学院考古研究所副研究员北京100710

中国早期国家形成问题是新世纪以来中国历史与考古学界最热门的课题之一。丰富的考古资料,尤其是近年的新发现与研究表明,中国各区域国家形成过程中社会形态表现出不同的特质,进而呈现出不同的"模式",目前至少有"陶寺模式""红山模式"和... 详细信息

中国早期国家形成问题是新世纪以来中国历史与考古学界最热门的课题之一。丰富的考古资料,尤其是近年的新发现与研究表明,中国各区域国家形成过程中社会形态表现出不同的特质,进而呈现出不同的"模式",目前至少有"陶寺模式""红山模式"和"良渚模式"等。中国文明起源与形成是从无中心的多元到有中心的多元一体,这或许正是中国古代文明与国家发展演进的最大特色。早期国家形成的动力是指推动国家起源、形成及发展这一演进过程的根本原因,即文明化的动因。对中国早期而言,也是探索其文明延绵不断的深层原因或者动力机制。文化间的互动交流与碰撞(战争)是中国文明演进的外动力;而务实与创新则是中国文明演进的原动力,是文明发展的决定性因素。

关键词：早期国家古代文明文明起源国家起源