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平台经济影响共同富裕的作用机制及实现路径——基于价值流转的机制分析

作者： (美)卡尔·纽波特(cal Newpor.)

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新疆师范大学学报（哲学社会科学版） 2023年第4期44卷 64-76页

作者：端利涛蔡跃洲中国社会科学院数量经济与技术经济研究所北京100732 中国社会科学院大学应用经济学院北京102488

平台经济的主要载体——平台企业已经发展为市场经济的主流模式,对中国的社会经济活动产生重大影响。在此背景下,文本对共同富裕的内涵及其面临的关键问题进行分析。在结构上,将社会主义市场经济体制下推进共同富裕与平台生态模式进行对... 详细信息

平台经济的主要载体——平台企业已经发展为市场经济的主流模式,对中国的社会经济活动产生重大影响。在此背景下,文本对共同富裕的内涵及其面临的关键问题进行分析。在结构上,将社会主义市场经济体制下推进共同富裕与平台生态模式进行对比,得出两者之间存在同构关系。在此基础上,梳理平台经济影响共同富裕的作用机制,发现可将平台经济视为扎实推进共同富裕的重要载体。文本对平台经济模式下共同富裕的价值流转过程进行分析,总结出一条可行的共同富裕实现路径,即政府引导推动—平台企业主导经营—多方协同监督和评价。

关键词：共同富裕平台经济同构价值流转

脉冲电磁场在骨折和关节融合不连接中的应用及其进展

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国际骨科学杂志 1985年第4期23卷 221-224页

作者： Bassett cal 吕裕生

电刺激方法应用于临床治疗骨折不连接已有十二年历史。事实上,它提供了一个有效的方法,从而替代骨延迟愈合和不连接后的骨移植。

关键词：关节融合骨折断端纤维组织张力性矫形外科手术金相组织纤维软骨骨不连脉冲电磁场骨折不连接

Detection of multidr.g r.sistant gene 1 in pancr.atic cancer

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Hepatobiliar. & Pancr.atic Diseases Inter.ational 2004年第2期3卷 307-310页

作者： Yu-Pei Zhao, Li-Yang Zhang, Quan Liao, Jun-Chao Guo, Ge Chen and Jia-Yi Li Beijing, China Depar.ment of Gener.l Sur.er., Peking Union Medi- cal College Hospital, Beijing 100730, China Depar.ment of Gener.l Sur.er. Peking Union Medical College Hospital Beijing 100730 China. zhao8028@***

BACKGr.UND: The r.sults ar. conflicting in detecting P-glycopr.tein (P-gp) in pancr.atic cancer. The aim of this study was to detect the expr.ssion of multidr.g r.sis- tant gene 1 ( MDr.) in pancr.atic cancer.cell lines. METHODS: MDr. mr.A and P-gp wer. detected by r.- ver.e tr.nscr.ption-polymer.se chain r.action (r.-PCr. and immunohistochemical assay (IHC) in thr.e pancr.atic cancer.cell lines SW1990, CAPAN-1 and P3. P-gp func- tions wer. evaluated thr.ugh the r.odamine extr.sion test. r.SULTS: Two of the thr.e cell lines expr.ssed MDr. po- sitively at differ.nt levels. The r.odamine extr.sion test showed that the per.entage of positive cells in MDr.+) cells was significantly lower.than that in MDr. (-) cells. The r.sults of IHC, r.-PCr.and the r.odamine extr.sion test wer. consistent with each other. CONCLUSION: All of these methods ar. r.liable in the de- tection of MDr. in pancr.atic cancer.tissue, thus pr.viding a guide for.clinical chemother.py of pancr.atic cancer.

关键词： pancr.atic cancer dr.g-r.sistance immunohistochemical assay

Panax notoginseng saponins pr.conditioning pr.tects r.t liver.gr.fts fr.m ischemia/r.per. fusion injur. via an antiapoptotic pathway

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Hepatobiliar. & Pancr.atic Diseases Inter.ational 2005年第2期4卷 207-212页

作者： Yi Zhang, Qi-Fa Ye, Li Lu, Xian-Lin Xu, Ying-Zi Ming and Jian-Sheng Xiao Wuhan, China Institute of Or.an Tr.nsplantation, Tongji Hospital, Tongji Medical College, Huazhong Univer.ity of Science and Technology, Wuhan 430030, China Xiangya Tr.nsplantation Medical Academy, Thir. Xiangya Hospital, Xiangya Medi- cal College, Centr.l South Univer.ity, Changsha 410013, China Institute of Or.an Tr.nsplantation Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China.

BACKGr.UND: Ischemia/r.per.usion (I/r. injur. is a major.cause of pr.mar. gr.ft dysfunction and r.nder. an al- logr.ft mor. immunogenic in or.hotopic liver.tr.nsplanta- tion (OLT). Panax notoginseng saponins (PNS) has been r.- por.ed to exer. pr.tective effects against I/r.injur. to var.- ous or.ans. The objective of this study is to investigate whether.PNS pr.conditioning pr.tects r.t liver.gr.fts fr.m I/r.injur. via an antiapoptotic pathway. METHODS: Male Spr.gue-Dawley r.ts wer. used as donor. and r.cipients of or.hotopic liver.tr.nsplantation ( OLT) and wer. divided into PNS pr.conditioning gr.up (gr.up P) and nor.al saline contr.l gr.up (gr.up N) r.ndomly accor.ing to whether.PNS (50 mg/kg) was injected intr.- venously 1 hour.befor. liver.gr.fts har.esting, and sham gr.up (gr.up S). The animals wer. separ.tely killed 2, 6 and 24 hour. after.r.per.usion. Plasma samples wer. collect- ed for.test of alanine amino-tr.nsfer.se (ALT) and aspar.ate aminotr.nsfer.se (AST). Liver.tissues wer. collected to de- tect histological changes, apoptosis and the expr.ssion of TNF-α, Bcl-2 and Caspase-3 mr.A. r.SULTS: The ser.m levels of ALT and AST and the apop- tosis index (AI) of liver.tissue in gr.up P wer. lower.than in gr.up N significantly 2, 6 and 24 hour. after.r.per.usion. Compar.d with gr.up N, the expr.ssion of TNF-a and Caspase-3 mr.A was r.duced significantly in gr.up P 2 and 6 hour. after.r.per.usion and the expr.ssion of Bcl-2 mr.A was enhanced significantly in gr.up P 6 and 24 hour. after.r.per.usion. CONCLUSIONS: PNS pr.conditioning pr.tects liver.gr.fts fr.m I/r.injur. effectively in r.t OLT via an antiapoptotic pathway. The antiapoptotic mechanisms of PNS may in- clude inhibiting the expr.ssion of TNF-a and Caspase-3 and enhancing the expr.ssion of Bcl-2.

关键词： Panax notoginseng saponins liver.tr.nsplantation ischemia/r.per.usion injur. apoptosis

r.pid climate change-induced collapse of hunter.gather.r.societies in the lower.Mississippi r.ver.valley between ca. 3300 and 2780 cal yr.BP

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Science China Ear.h Sciences 2018年第2期61卷 178-189页

作者： tr.str.m r.kidder.edwar. r.henr. lee j.ar.o Depar.ment of Anthr.pology Washington University in St. Louis St. Louis 63130 USA Geoar.haeology Labor.tor. Washington University in St. Louis St. Louis 63130 USA GAI Consultants Inc. Homestead PA 15120 USA Teaching and Exper.mental Center.for.Ar.haeology and Cultur.l Her.tage Pr.tection Henan University Kaifeng 475001 China

Hunter.gather.r.communities in the Amer.can Southeast r.ached an apogee of social and political complexity in the per.od between ca. 4200 and 3000 cal yr.BP. In the lower.Mississippi Valley(LMV) the Pover.y Point cultur. defined this per.od of socio-political elabor.tion. However. following a significant per.od of climate change that led to exceptional flooding and a major.r.or.anization of the cour.e of the Mississippi r.ver. this cultur. collapsed beginning ca. 3300–3200 cal yr.BP and the LMV was abandoned for.the subsequent 500 year.. In this study, we use data fr.m the Jaketown site in the Yazoo Basin of west-centr.l Mississippi to r.fine the chr.nology of the climate event that caused the collapse of the Pover.y Point cultur.. A lar.e flood bur.ed Pover.y Point-er. occupation deposits at Jaketown ar.und 3310 cal yr.BP. Later.l migr.tion of the Mississippi r.ver.dur.ng flooding led to inundation of the Yazoo Basin and r.-occupation of ancient r.ver.cour.es. A coar.e sand str.tum topped by a mor. than a meter.thick fining upwar. sediment package mar.s a cr.vasse deposit caused by a r.ptur. of the natur.l levee at Jaketown. This levee br.ach was par. of a lar.er.patter. of er.atic flooding thr.ughout the LMV and is associated with major.landscape evolution and the abandonment of Pover.y Point sites within the valley. Ear.y Woodland peoples r.-colonized the cr.vasse sur.ace after.ca. 2780 cal yr.BP. Following this event, the Jaketown site and the easter. Yazoo Basin witnessed a per.od of landscape stability that lasts to this day. These ar.haeological data demonstr.te how climate change and natur.l disaster. can lead to socio-political dissolution and r.or.anization even in r.latively small-scale hunter.gather.r.populations.

关键词： r.pid climate change Hunter.gather.r. Flooding Mississippi r.ver.Valley Pover.y Point Jaketown site

Lapar.scopic centr.l pancr.atectomy with gastr.-pancr.atic anastomosis for.symptomatic ser.us cystadenoma:A case r.por. and liter.tur. r.view

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Lapar.scopic, Endoscopic and r.botic Sur.er. 2024年第2期7卷 87-91页

作者： Giuseppe Fr.zzetta Antonino Picciur.o Angela Maffongelli Ir.ne Vitale Fr.ncesco Vitale Daniela Scimeca Michele Amata Anna calì Ambr. Bonaccor.o Bar.ar. Scr.vo Vincenzo Di Mar.ino Elisabetta Conte Filippo Mocciar. r.ber.o Di Mitr. Pier.nr.co Mar.hesa Oncologic Sur.er. Unit ARNAS Civico HospitalPalermo 90100Italy Gastr.enter.logy Unit ARNAS Civico HospitalPalermo 90100Italy

Sur.er. for.lesions of the pr.ximal par. of the pancr.atic body or.neck can be challenging,and when enucleation is not possible,centr.l pancr.atectomy is an *** centr.l pancr.atic r.section is r.r.ly descr.bed wor.dwide;it is consider.d a difficult pr.cedur. mainly because of the r.sk of double pancr.atic fistula developing at two sites of ***,it seems to be an excellent alter.ative to distal pancr.atectomy or.pancr.aticoduodenectomy,with the advantages of pr.ser.ing functioning par.nchyma and r.ducing endocr.ne and exocr.ne ***,patients with pancr.atic lesions r.quir.ng centr.l r.section ar. often managed with the open appr.ach in many hospitals due to the complexity of total lapar.scopic centr.l pancr.atectomy,which r.quir.s advanced lapar.scopic skills,exper.ise and ***,we r.por. a case of a 29-year.old female who under.ent total lapar.scopic centr.l pancr.atic r.section with gastr.-pancr.atic anastomosis for.symptomatic ser.us *** discuss the details of case management and r.view the r.levant liter.tur..

关键词： Lapar.scopic Pancr.atic sur.er. Centr.l pancr.atectomy Cystadenoma

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“一带一路”倡议与企业ESG表现

国际经贸探索 2024年第2期40卷 58-74页

作者：程秋旺蔡雪雄刘斌重庆大学经济与工商管理学院福建社会科学院习近平生态文明思想研究所

文章将“一带一路”倡议视为准自然实验,以2009~2022年中国沪深A股上市企业为研究对象,采用双重差分法评估“一带一路”倡议对企业ESG表现的影响。结果表明,“一带一路”倡议显著提升了企业ESG表现,彰显了中国在共建“一带一路”过程中... 详细信息

文章将“一带一路”倡议视为准自然实验,以2009~2022年中国沪深A股上市企业为研究对象,采用双重差分法评估“一带一路”倡议对企业ESG表现的影响。结果表明,“一带一路”倡议显著提升了企业ESG表现,彰显了中国在共建“一带一路”过程中的负责任大国形象。渠道检验表明,“一带一路”倡议可以通过缓解企业融资约束和促进企业数字化转型两个渠道提升企业ESG表现。异质性分析表明,“一带一路”倡议对企业ESG表现的提升作用在重点合作行业、重污染合作行业、国有企业、非节点城市企业中表现更强。文章为推进“一带一路”倡议实施和提升企业ESG表现提供了借鉴。

关键词： “一带一路”倡议企业ESG表现融资约束数字化转型双重差分法

An Inter.cting Gauge Field Theor.tic Model for.Hodge Theor.: Basic Canonical Br.ckets

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Communications in Theor.tical Physics 2014年第6期61卷 715-728页

作者： r.Kumar.S.Gupta r.P.Malik Depar.ment of Physics Centre of Advanced Studies Banaras Hindu University DST Centr. for.Inter.isciplinar. Mathematical Sciences Faculty of Science Banaras Hindu University

We der.ve the basic canonical br.ckets amongst the cr.ation and annihilation oper.tor. for.a two(1 + 1)-dimensional(2D) gauge field theor.tic model of an inter.cting Hodge theor. wher. a U(1) gauge field(Aμ) is coupled with the fer.ionic Dir.c fields(ψ andˉψ). In this der.vation, we exploit the spin-statistics theor.m, nor.al or.er.ng and the str.ngth of the under.ying six infinitesimal continuous symmetr.es(and the concept of their.gener.tor.) that ar. pr.sent in the theor.. We do not use the definition of the canonical conjugate momenta(cor.esponding to the basic fields of the theor.) anywher. in our.whole discussion. Thus, we conjectur. that our.pr.sent appr.ach pr.vides an alter.ative to the canonical method of quantization for.a class of gauge field theor.es that ar. physical examples of Hodge theor. wher. the continuous symmetr.es(and cor.esponding gener.tor.) pr.vide the physical r.alizations of the de r.am cohomological oper.tor. of differ.ntial geometr. at the algebr.ic level.

关键词： continuous symmetr.es 2D QED with fer.ionic Dir.c fields symmetr. pr.nciples basic canoni-cal (anti)commutator. cr.ation and annihilation oper.tor. conser.ed char.es as gener.tor. der.am cohomological oper.tor. Hodge theor.