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Variability of the Pacific subtropical cells under global warming in CMIP6 models

Journal of Oceanology and Limnology 2024年第1期42卷 24-40页

作者： xue HAN Junqiao FENG Yunlong lu Dunxin HU Key Laboratory of Ocean Circulation and Waves Chinese Academy of SciencesQingdao 266071China Institute of Oceanology Chinese Academy of SciencesQingdao 266071China University of Chinese Academy of Sciences Beijing 100049China Center for Ocean Mega-Science Chinese Academy of SciencesQingdao 266071China Laboratory for Ocean Dynamics and Climate Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China

The Pacific subtropical cells(STCs)are shallow meridional overturning circulations connecting the tropics and subtropics,and are assumed to be an important driver of the tropical Pacific decadal *** variability of STCs under global warming is investigated using multimodal outputs from the latest phase of the Coupled Model Inter-comparison Project(CMIP6)and ocean reanalysis ***,the volume transport diagnostic analysis is employed to evaluate how coupled models and ocean reanalysis products reproduce interior STC *** variation of heat transport by the interior STC under the high-emissions warming scenarios is also *** results show that the multimodal-mean linear trends of the interior STC transport along 9°S and 9°N are-0.02 Sv/a and 0.04 Sv/a under global warming,respectively,which is mainly due to the combined effect of the strengthened upper oceanic stratification and the weakening of wind *** is a compensation relationship between the interior STC and the western boundary transport in the future climate,and the compensation relationship of 9°S is more significant than that of 9°*** addition,compared with ocean reanalysis products,the coupled models tend to underestimate the variability of the interior STC transport convergence,and thus may lose some sea surface temperature(SST)driving force,which may be the reason for the low STC-SST correlation simulated by the *** future scenario simulation shows that the heat transport of interior STC is weakened under global warming,with a general agreement across models.

关键词： interior subtropical cell(STC) global warming Coupled Model Inter-comparison Project(CMIP6) western boundary transport

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Comparison of the hygrothermal performance of two light-framed timber structure buildings under different operation modes

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2024年第1期25卷 18-35页

作者： Wanqing XU Yucong xue Jiang lu Yifan FAN Xiaoyu luO College of Civil Engineering and Architecture Zhejiang UniversityHangzhou310058China International Research Center for Green Building and Low-Carbon City International CampusZhejiang UniversityJiaxing314400China School of Civil Engineering and Architecture Zhejiang University of Science and TechnologyHangzhou310023China

Light-framed timber structure(LTS)buildings have been highly valued in recent years due to their low-carbon ***,the applicability of the building envelope is closely related to indoor and outdoor *** hot summer and cold winter(HSCW)climate zone in China has high humidity and great temperature variation throughout the year,resulting in distinct outdoor environments in different *** indoor environment is greatly affected by energy-consumption patterns and window-opening habits,which largely depend upon the regulation operations of *** these interrelated factors lead to extremely complex boundary conditions on each side of the building *** the structures of LTS buildings are applicable in this climate zone,therefore,needs to be carefully *** this study,two LTS buildings with different envelopes were established in Haining,China,situated in the HSCW climate zone,and selected as the study *** operation modes were adopted to create a variety of indoor *** each condition,the processes of heat and moisture transfer within the building envelopes and the indoor environment were monitored and *** comparison indicated that the building envelope with high moisture storage and insulation ability maintained a relatively stable indoor environment,especially when the environment changed ***,if the outdoor environment was equable(e.g.,relative humidity within the range of 30%–60%)or intermittent energy consumption modes were adopted,the building envelope with a low thermal inertia index and weak moisture-buffering ability performed better because it enabled a faster response of the indoor environment to air ***,a high risk of moisture accumulation between the thermal insulation layer and other materials with a large water vapour transfer resistance factor was also identified,suggesting a higher requirement for the vapour insulation of the env

关键词： Light-framed timber structure(LTS)buildings In-situ experiment Typical operation mode Indoor environment Heatand moisture transfer

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Management of corneal ulceration with a moisture chamber due to temporary lagophthalmos in a brain injury patient:A case report

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World Journal of Clinical Cases 2021年第5期9卷 1127-1131页

作者： Xiao-Yan Yu lu-Yu xue Yun Zhou Jun Shen Li Yin Department of Critical Care Medicine Huashan Hospital Affiliated to Fudan UniversityShanghai 200040China

BACKGROUND This study describes the use of a moisture chamber to treat corneal ulceration due to temporary lagophthalmos in a critically ill *** SUMMARY A 46-year-old woman was admitted to the intensive care unit after a car *** suffered multiple injuries that included brain injury and presented with moderately decreased consciousness and lagophthalmos in her right *** 6 d,her consciousness improved considerably;at which time,exposure keratopathy occurred and worsened to corneal *** gel,antibiotic ointment,and bandage contact lens were all ineffective in preventing or treating the exposure *** of tarsorrhaphy,a moisture chamber was applied which successfully controlled the corneal *** moisture chamber was discontinued when complete eyelid closure recovered a week *** A moisture chamber may be an effective,noninvasive alternative to tarsorrhaphy for treating severe exposure keratopathy due to temporary lagophthalmos.

关键词： Exposure keratopathy Corneal ulceration Moisture chamber lubrication Bandage contact lens Case report

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砒砂岩区十大孔兑沙棘生态减沙工程现状调查及管理对策研究

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环境与发展 2024年第1期36卷 9-13页

作者：贾利红薛璐马春艳白晓霞黄河水利委员会晋陕蒙接壤地区水土保持监督局陕西榆林719000 榆林学院生命科学学院陕西榆林719000

砒砂岩区沙棘生态减沙工程是我国晋陕蒙区防风治沙、强化水土保持的重要举措,该工程的发展现状及管理对策值得引起特别关注。本文以十大孔兑上游砒砂岩丘陵沟壑区沙棘林为研究对象,通过实地调研与问卷调查等研究方法,明确砒砂岩区十大... 详细信息

砒砂岩区沙棘生态减沙工程是我国晋陕蒙区防风治沙、强化水土保持的重要举措,该工程的发展现状及管理对策值得引起特别关注。本文以十大孔兑上游砒砂岩丘陵沟壑区沙棘林为研究对象,通过实地调研与问卷调查等研究方法,明确砒砂岩区十大孔兑沙棘生态减沙工程发展现状、实施现状、沙棘林生长状况、抚育措施及其经济效益等情况,提出了统一筹划构建沙棘林长效管理机制、多举并措健全沙棘林抚育措施实施方案、因地制宜完善沙棘资源产业化开发方案等管理对策,为晋陕蒙区砒砂岩区十大孔兑沙棘生态减沙工程的实施与管理提供科学支撑。

关键词：砒砂岩区沙棘沙棘生态减沙工程现状调查抚育措施

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塑性材料拉伸时加载速率对屈服强度影响的分析研究

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绥化学院学报 2024年第5期44卷 146-149页

作者：董继蕾李亮张宏学卢小雨安徽理工大学力学与光电物理学院安徽淮南232001

通过对塑性材料在常温下进行不同加载速率的拉伸试验,分析加载速率与材料屈服强度之间的关系,并通过最小二乘法拟合、指数函数拟合、对数函数拟合、幂函数拟合和拉格朗日插值拟合进行加载速率与材料屈服强度之间的曲线拟合。曲线拟合结... 详细信息

通过对塑性材料在常温下进行不同加载速率的拉伸试验,分析加载速率与材料屈服强度之间的关系,并通过最小二乘法拟合、指数函数拟合、对数函数拟合、幂函数拟合和拉格朗日插值拟合进行加载速率与材料屈服强度之间的曲线拟合。曲线拟合结果表明:屈服强度关于加载速率增加而增大,屈服强度从最小值283.67KPa,增大至303Kpa,增大值所占比例为6.38%~6.81%;六阶曲线拟合图最能反映屈服强度与加载速率的关系。

关键词：塑性材料静载速率屈服强度曲线拟合

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Optical scattering imaging with sub-nanometer precision based on position-ultra-sensitive giant Lamb shift

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Science China(Physics,Mechanics & Astronomy) 2024年第6期67卷 96-105页

作者： Zeyang Liao Yu-Wei lu Wei Li xue-Hua Wang State Key Laboratory of Optoelectronic Materials and Technologies School of PhysicsSun Yat-sen UniversityGuangzhou 510275China Quantum Science Center of Guangdong-Hong Kong-Macao Greater Bay Area(Guangdong) Shenzhen 518045China

The Lamb shift of a quantum emitter in close proximity to a plasmonic nanostructure can be three or more orders of magnitude larger than that in the free space and is ultra-sensitive to the emitter position and *** demonstrate that this large Lamb shift can be sensitively observed from the scattering or absorption spectrum dip shift of the coupled system when the plasmonic nanoparticle or tip scans the *** these observations,we propose a scanning optical scattering imaging method based on the plasmonic-enhanced Lamb shift with achieves sub-nanometer *** method is based on the scattering or absorption spectrum of the plasmon-emitter coupling system,which is free of the fluorescence quenching problem and easier to implement in a plasmon-emitter coupling *** addition,our scheme works even if the quantum emitter is slightly below the dielectric surface,which can bring about broader applications,such as detecting atoms and molecules or quantum dots above or under a surface.

关键词： Lamb shift plasmon optical scattering imaging

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High-throughput sequencing analysis of differentially expressed mi RNAs and target genes in ischemia/reperfusion injury and apelin-13 neuroprotection

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Neural Regeneration Research 2018年第2期13卷 265-271页

作者： Chun-mei Wang xue-lu Yang Ming-hui Liu Bao-hua Cheng Jing Chen Bo Bai Neurobiology Institute Jining Medical University

miRNAs regulate a variety of biological processes through pairing-based regulation of gene expression at the 3＇ end of the noncoding region of the target miRNA, miRNAs were found to be abnormally expressed in ischemia/reperfusion injury models. High-throughput sequencing is a recently developed method for sequencing miRNAs and has been widely used in the analysis of miRNAs. In this study, ischemia/reperfusion injury models were intracerebroventricularly injected with 50 pg/kg apelin-13. High-throughput sequencing showed that 357 known miRNAs were differentially expressed among rat models, among which 78 changed to 〉 2-fold or 〈 0.5-fold. Quantita- tive real-time polymerase chain reaction was selected to confirm the expression levels of four miRNAs that were differentially expressed, the results of which were consistent with the results of high-throughput sequencing. Gene Ontology analysis revealed that the predicted targets of the different miRNAs are particularly associated with cellular process, metabolic process, single-organism process, cell, and binding. Kyoto Encyclopedia of Gene and Genome analysis showed that the target genes are involved in metabolic pathways, mitogen-ac- tivated protein kinase signaling pathway, calcium signaling pathway, and nuclear factor-KB signaling pathway. Our findings suggest that differentially expressed miRNAs and their target genes play an important role in ischemia/reperfusion injury and neuroprotection by apelin-13.

关键词： nerve regeneration RNA sequencing microRNA apelin ischemia/reperfusion injury neuroprotection neuropeptide high-throughput sequencing neural regeneration

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浅层型湖泊水葫芦去除营养物质的研究

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广州化工 2024年第11期52卷 130-131,134页

作者：陆雪凡刘建斌张志强上海市青浦区环境监测站上海201799

湖泊中的氮磷等营养物质主要来自生活污水、农业废水、化肥等加工过程产生的工业废水,这些污染废水未经处理或处理不达标直接排入湖泊,使水体中营养物质增多,氮磷营养物质超过富营养化发生浓度,易造成湖泊呈现富营养化,促使自养型生物... 详细信息

湖泊中的氮磷等营养物质主要来自生活污水、农业废水、化肥等加工过程产生的工业废水,这些污染废水未经处理或处理不达标直接排入湖泊,使水体中营养物质增多,氮磷营养物质超过富营养化发生浓度,易造成湖泊呈现富营养化,促使自养型生物特别是藻类等浮游生物的个体数量迅速增多。本文对水葫芦对水体中氮、磷以及氨氮等营养物质的去除效果,以及覆盖率差异下水葫芦对氮、磷及氨氮的去除规律进行了分析,为探讨水葫芦抑藻机理奠定了基础。

关键词：湖泊水葫芦藻类氮磷氨氮抑藻覆盖率

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Gas-Particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast Furnace Raceway

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Journal of Iron and Steel Research International 2010年第10期17卷 8-12页

作者： ZHANG Sheng-fu BAI Chen-guang WEN Liang-ying QIU Gui-bao lu xue-wei College of Materials Science and Engineering Chongqing University Chongqing 400030 China

The two-dimensional steady-state discrete phase mathematical model is developed to analyze gas-particle flow and combustion characteristics of coal particles, as well as components concentration and temperature distribu- tion of coal gas in the process of pulverized coal injection of blast furnace raceway. The results show that a great deal of coal gas discharges on the top of raceway away from the tuyere, and the residence time of coal particles in the re- gion of blowpipe and tuyere is 20 ms or so and 50 ms when it reaches raceway boundary. The pressure is the highest at the bottom of raceway and the maximal temperature is about 2 423 K. The char combustion is mainly carried out in the raceway and the maximum of char burn-out rate attains 3× 10-4 kg/s.

关键词： blast furnaces raceway pulverized coal injection gas-particle flow combustion

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Wumei pills attenuates 5-fluorouracil-induced intestinal mucositis through Toll-like receptor 4/myeloid differentiation factor 88/nuclear factor-κB pathway and microbiota regulation

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World Journal of Gastroenterology 2022年第32期28卷 4574-4599页

作者： Dong-xue lu Feng Liu Hua Wu Hai-Xia Liu Bing-Yu Chen Jing Yan Yin lu Zhi-Guang Sun Department of Nutrition Acupuncture and Moxibustion and Massage College&Health Preservation and Rehabilitation CollegeNanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina Department of Orthopaedics Nanjing Pukou District Chinese Medicine HospitalNanjing 210000Jiangsu ProvinceChina Department of Oncology Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210000Jiangsu ProvinceChina Department of Geriatrics The First Affiliated Hospital of Henan University of Traditional Chinese MedicineZhengzhou 451150Henan ProvinceChina Key Laboratory for Metabolic Diseases in Chinese Medicine The First Clinical Medical CollegeNanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina Key Pharmacology Laboratory of Jiangsu Province Nanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina The First Clinical Medical College Nanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina

BACKGROUND Radiotherapy and chemotherapy can kill tumor cells and improve the survival rate of cancer ***,they can also damage normal cells and cause serious intestinal toxicity,leading to gastrointestinal mucositis[1].Traditional Chinese medicine is effective in improving the side effects of *** pills(WMP)was originally documented in the Treatise on Exogenous Febrile *** has a significant effect on chronic diarrhea and other gastrointestinal diseases,but it is not clear whether it affects chemotherapy induced intestinal mucositis(CIM).AIM To explore the potential mechanism of WMP in the treatment of CIM through experimental *** We used an intraperitoneal injection of 5-fluorouracil(5-Fu)to establish a CIM mouse model and an oral gavage of WMP decoction(11325 and 22650 mg/kg)to evaluate the efficacy of WMP in *** evaluated the effect of WMP on CIM by observing the general conditions of the mice(body weight,food intake,spleen weight,diarrhea score,and hematoxylin and eosin stained tissues).The expression of tumor necrosis factor-α(TNF-α),interleukin-6(IL-6),IL-1β,and myeloperoxidase(MPO),as well as the Toll-like receptor 4/myeloid differentiation factor 88/nuclear factor-κB(TLR4/MyD88/NF-κB)signaling pathway proteins and tight junction proteins(zonula occludens-1,claudin-1,E-cadherin,and mucin-2)was ***,intestinal permeability,intestinal flora,and the levels of short-chain fatty acids(SCFA)were also *** WMP effectively improved the body weight,spleen weight,food intake,diarrhea score,and inflammatory status of the mice with intestinal mucositis,which preliminarily confirmed the efficacy of WMP in *** experiments showed that in addition to reducing the levels of TNF-α,IL-1β,IL-6,and MPO and inhibiting the expression of the TLR4/MyD88/NF-κB pathway proteins,WMP also repaired the integrity of the mucosal barrier of mice,regulated the intestinal flora,and increased the levels of S

关键词： Wumei pills Gut flora Intestinal mucosal inflammation Mucosal barrier Short-chain fatty acids Intestinal permeability

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