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回归技术:民俗艺术的诠释维度

民族艺术 2018年第6期 79-87页

作者：格拉尔德·l.波丘斯[加] 李修建(译) 加拿大纽芬兰纪念大学民俗学系加拿大皇家学会会中国艺术研究院艺术人类学研究所

对于民俗学来说,艺术是一个基本概念,这一概念仍然隐晦不明,可以从三个不同的维度思考艺术:艺术作为产品、艺术作为过程、艺术作为行为。由此产生对艺术品、艺术表演和日常艺术活动的关注。艺术最为典型的特征应该是技能标准。所有民族... 详细信息

对于民俗学来说,艺术是一个基本概念,这一概念仍然隐晦不明,可以从三个不同的维度思考艺术:艺术作为产品、艺术作为过程、艺术作为行为。由此产生对艺术品、艺术表演和日常艺术活动的关注。艺术最为典型的特征应该是技能标准。所有民族都创造艺术,艺术创作过程全都诉诸技能。将艺术定义为一种技能的表现,其涉及定性经验的创造,可以采取特定群体公认的任何形式,其主要组成部分为传统、群体和情感。

关键词：民俗艺术艺术表演艺术行为艺术本质回归技术

Orbit control.strategy for l.grange point orbits based on an anal.tical.method

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Science China(Physics,Mechanics & Astronomy) 2013年第4期56卷 830-839页

作者： l. Jing l. QiShao WANG Qi School.of Aeronautics Science and Engineering Beihang University

The periodic or quasi-periodic orbits around col.inear l.grange points present many properties that are advantageous for space missions. These l.grange point orbits are exponential.y unstabl.. On the basis of an anal.tical.method, an orbit control.strategy that is designed to el.minate the dominant unstabl. components of l.grange point orbits is devel.ped. The proposed strategy enabl.s the derivation of the anal.tical.expression of nonl.near control.force. The control.parameter of this strategy can be arbitraril. sel.cted provided that the parameter is considerabl. l.wer than the negative eigenval.e of motion equations, and that the energy required keeps the same order of magnitude. The periodic or quasi-periodic orbit of control.ed equations remains near the periodic or quasi-periodic orbit of uncontrol.ed equations.

关键词： anal.tical.method control.strategy l.grange point periodic or quasi-periodic orbit

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基于沉积模拟的总可容空间定量分析

地学前缘 2024年第2期31卷 391-401页

作者：沈禄银潘仁芳吕海涛段太忠贺婷婷刘义生赵磊中国石化西北油田分公司新疆乌鲁木齐830011 长江大学地球科学学院湖北武汉430100 中国石化石油勘探开发研究院北京102260 中国石化集团新星石油有限责任公司北京100083

为了解决可容空间控制因素多、定量分析难的问题,在沉积过程中为沉积物提供可容空间的因素总结归纳为总可容空间,将影响总可容空间的多种因素总结为初始地形、全球(绝对)海平面变化和总沉降3种主控因素。基于总可容空间的提供量和充填... 详细信息

为了解决可容空间控制因素多、定量分析难的问题,在沉积过程中为沉积物提供可容空间的因素总结归纳为总可容空间,将影响总可容空间的多种因素总结为初始地形、全球(绝对)海平面变化和总沉降3种主控因素。基于总可容空间的提供量和充填量相符原则,建立了初始地形、全球海平面变化和总沉降与沉积厚度、水深的定量关系;分析了可容空间主控因素对地层结构的影响,提出了总可容空间定量分析方法。总可容空间定量分析不仅可以计算总沉降,降低了三维沉积参数的恢复和表征难度,保障了沉积正、反演过程中提供的总可容空间量符合预期,还可以建立主控因素之间的定量关系,快速恢复合理的地层沉积参数,有利于沉积模型的建立。该研究不仅对可容空间主控因素之间的定量关系有着更直观的认识,还为定量研究有效可容空间奠定了基础。

关键词：初始地形全球海平面变化总沉降可容空间沉积过程模拟

藤本植物园林景观应用调查分析——以九江市为例

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陕西林业科技 2024年第2期52卷 93-97,100页

作者：吕丹丹聂谷华抚州市林业局江西抚州344000 九江学院江西九江332900

为了解九江市园林景观中藤本植物的应用情况,对九江市濂溪区、浔阳区、柴桑区、八里湖新区四个城区进行抽样实地调查,并详细记录各地点应用的藤本植物名称,应用形式,生长状况,观赏效果等.通过调查发现藤本植物在园林景观应用中存在的问... 详细信息

为了解九江市园林景观中藤本植物的应用情况,对九江市濂溪区、浔阳区、柴桑区、八里湖新区四个城区进行抽样实地调查,并详细记录各地点应用的藤本植物名称,应用形式,生长状况,观赏效果等.通过调查发现藤本植物在园林景观应用中存在的问题,并对九江藤本植物的应用及发展提出合理性建议,以期提高九江市的绿化覆盖率、增加城市绿量.

关键词：藤本植物九江市园林景观调查分析

哮喘-慢阻肺重叠综合征患者血清SIRT1、α-SMA水平及临床意义研究

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临床肺科杂志 2024年第1期29卷 48-53页

作者：李欣荣英杰吕睿冰武汉科技大学附属华润武钢总医院呼吸与危重症医学科湖北武汉430080 武汉科技大学医学院湖北武汉430080

目的检测哮喘-慢阻肺重叠综合征(ACOS)患者血清沉默信息调节因子1(SIRT1)、α-平滑肌肌动蛋白(α-SMA)水平,并分析其临床意义。方法对52例ACOS患者(A组)、50例单纯哮喘患者(B组)、51例单纯慢阻肺患者(C组)、50例健康体检者(健康组)的资... 详细信息

目的检测哮喘-慢阻肺重叠综合征(ACOS)患者血清沉默信息调节因子1(SIRT1)、α-平滑肌肌动蛋白(α-SMA)水平,并分析其临床意义。方法对52例ACOS患者(A组)、50例单纯哮喘患者(B组)、51例单纯慢阻肺患者(C组)、50例健康体检者(健康组)的资料进行回顾性分析。4组均检测血清SIRT1、α-SMA水平,肺功能[第1s用力呼气容积(FEV1)、用力肺活量(FVC)、FEV1/FVC],血清炎症因子水平[肿瘤坏死因子-α(TNF-α)、白介素-6(Il.6)、白介素-1β(Il.1β)],气道可逆性和气道重塑指标[血清碱性成纤维生长因子(b-FGF)、基质金属蛋白酶9(MMP-9)、神经生长因子(NGF)、基质金属蛋白酶组织抑制因子1(TIMP-1)],对比4组上述指标差异;分析A组患者血清SIRT1、α-SMA水平与上述指标的相关性。结果A组血清SIRT1、α-SMA,血清TNF-α、Il.6、Il.1β水平,血清b-FGF、MMP-9、NGF、TIMP-1水平均高于其余3组,B组和C组均高于健康组,差异均有统计学意义(P均l.6、Il.1β水平,血清b-FGF、MMP-9、NGF、TIMP-1水平均呈正相关性。结论在ACOS患者中血清SIRT1、α-SMA水平偏高,且均明显高于单纯哮喘和单纯慢阻肺患者,且与肺功能、血清炎症因子水平及气道重塑指标均相关。

关键词：哮喘-慢阻肺重叠综合征沉默信息调节因子1 α-平滑肌肌动蛋白

Anal.sis Theory of Asymmetric dc SQUID Driven by Thermal.Noises

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Communications in Theoretical.Physics 2004年第5期41卷 707-714页

作者： l.Hai-Feng JIAYa HUANGXin-Tang DepartmentofPhysics CentralChinaNormalUniversityWuhan430079China

An anal.sis expression for the stationary probabil.ty distribution of asymmetric superconducting quantum interference device with two Josephson junctions (dc SQUID) driven by thermal.noise is derived from two-dimensional.Fokker-Pl.nck equation, where the potential.condition is satisfied. Two of the three asymmetric parameters, inductance asymmetric parameter η and critical.current asymmetric parameter α, can be changed in this condition, but resistance asymmetric parameter ρ cannot be changed. The 'rippl.' phenomenon of circul.ting current can disappear with the change of coefficient α. The effects of asymmetric parameters on current-vol.age rel.tionship and transfer function of dc SQUID system are al.o represented.

关键词： noise Fkker-Pl.nck equation superconducting quantum interference device

Die in pieces:How Drosophil. sheds l.ght on neurite degeneration and cl.arance

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Journal.of Genetics and Genomics 2019年第4期46卷 187-199页

作者： Maria l.Sapar Chun Han Weil. Institute for Cel. and Mol.cul.r Biol.gy Department of Molecular Biology and GeneticsCornell University

Dendrites and axons are del.cate neuronal.membrane extensions that undergo degeneration after physical.injuries. In neurodegenerative diseases, they often degenerate prior to neuronal.death. Understanding the mechanisms of neurite degeneration has been an intense focus of neurobiol.gy research in the l.st two decades. As a resul., many discoveries have been made in the mol.cul.r pathways that l.ad to neurite degeneration and the cel.-cel. interactions responsibl. for the subsequent cl.arance of neuronal.debris. Drosophil. mel.nogaster has served as a prime in vivo model.system for identifying and characterizing the key mol.cul.r pl.yers in neurite degeneration, thanks to its genetic tractabil.ty and easy access to its nervous system. The knowl.dge l.arned in the fl. provided targets and fuel.for studies in other model.systems that have further enhanced our understanding of neurodegeneration. In this review, we wil. introduce the experimental.systems devel.ped in Drosophil. to investigate injuryinduced neurite degeneration, and then discuss the biol.gical.pathways that drive degeneration. We wil. al.o cover what is known about the mechanisms of how phagocytes recognize and cl.ar degenerating neurites, and how recent findings in this area enhance our understanding of neurodegenerative disease pathol.gy.

关键词： Drosophil. Neurite degeneration Axon Dendrite Wal.erian degeneration Phagocyte Phagocytosis PS exposure Injury assay

A novel.conditional.cel. transmission model.for oversaturated arterial.

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Journal.of Central.South University 2012年第5期19卷 1466-1474页

作者：王屏 l.S.Jones 杨群 Key l.boratory of Road and Traffic Engineering of Ministry of Education Tongji University Department of Civil Constructionand Environmental EngineeringThe University of AlabamaT uscaloosa

The objective of this work is to devel.p a novel.feature for traffic fl.w model., when traffic queues on two-way arterial. periodical.y extend until.then they bl.ck an upstream signal.in oversaturated conditions. The new model. proposed as conditional.cel. transmission model.（CCTM） has been devel.ped with two improvements. First, cel. transmission model.（CTM） is expanded for two-way arterial. by taking account of al. diverging and merging activities at intersections. Second, a conditional.cel. is added to simul.te periodic spil.back and bl.ckages at an intersection. The resul.s of experiments for a mul.il.ne, two-way, three-signal.sampl. network demonstrate that CCTM can accommodate various traffic demands and accurate representation of bl.ckages at intersections. The del.y of l.ft turns is underestimated by 40 % in moderate conditions and by 58% in oversamrated condition when using the CTM rather than CCTM. Final.y, the consistency between HCS 2000 and CCTM shows that CCTM is a rel.abl. methodol.gy of model.ng traffic fl.w in oversaturated condition.

关键词： oversaturated condition conditional.cel. transmission model intersection spil.back traffic bl.ckage

In vitro antioxidant and antimicrobial.activity cycl.art-23-ene-3β,25-diol.B2) isol.ted from Pongamia pinnata(***)

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Asian Pacific Journal.of Tropical.Medicine 2011年第11期4卷 910-916页

作者： Sachin l.Badol. Anand A Zanwar Abhijeet N Khopade Subhash l.Bodhankar Department of Pharmacol.gy Poona College of PharmacyBharati Vidyapeeth UniversityPaud RoadErandwanePuneMaharashtraIndia

Objective:To eval.ate the in-vitro antioxidant and antimicrobial.activity of cvcl.art-23- ene-3β,25-diol.cal.ed as B2) isol.ted from stem bark of Pongamia ***:In vitro antioxidant activity of B2 was determined by methods for determination of Dl.PH radical.scavenging,reducing power,superoxide anion radical.scavenging,hydroxyl.radical.scavenging, hydrogen peroxide scavenging,metal.chel.ting and nitric oxide radical.scavenging at the doses of 20.***.60.80 and 100μg/ml.respectivel..3 -tocopherol.with same concentration was used as a standard *** vitro antimicrobial.activity of B2 was determined by cup pl.te method in different concentration range of 10-100μg/***:The resul.s indicated that dose dependent%reduction against DPPH radical.reducing power,superoxide anion radical.scavenging,hydroxyl.radical.scavenging,metal.chel.ting,hydrogen peroxide scavenging and nitric oxide radical.scavenging by B2 andβ-***:It is concl.ded that cycl.art 23-ene-3β,25 diol.B2) showed dose dependent antioxidant activity.B2 showed more DPPH radical.scavenging,reducing power,superoxide scavenging,hydroxyl.radical.scavenging, metal.chel.ting scavenging,hydrogen peroxide radical.scavenging and nitric oxide radical.scavenging activity thanβ-tocopherol.and in case of antimicrobial.activity B2 exhibited broad-spectrum activ ity against bacteria and strong activity against yeast type of fungi.

关键词： Antibacterial activity Antifungal activity In vitro antioxidant Cycl.art-23-ene-3β 25-diol.B2) Pongamia pinnata