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Propagating subduction initiation of the Caroline Plate at the Mussau Trench

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Science China Earth Sciences 2025年第1期68卷 253-269页

作者： Chun-Feng LI Yongkang DENG Tao WU Dongdong DONG Guoliang zhang Jiazheng zhang Yutao LIU Yaqing LI Fugui TANG Lulu zhang Department of Marine Sciences Zhejiang University Laboratory of Marine Mineral Resources Laoshan Laboratory Key Lab of Marine Geology and Environment Institute of Oceanology Chinese Academy of Sciences Key Lab of Ocean and Marginal Sea Geology South China Sea Institute of Oceanology Chinese Academy of Sciences Science & Technology on Integrated Information System Lab Institute of Software Chinese Academy of Sciences

New seismic imaging from the Mussau Trench confirms that, under horizontal compression on an oceanic plate boundary, it is within the young and weak oceanic plate that a trench will develop, and it is the young plate, not so long after its birth, that starts to subduct toward the old plate. The Mesozoic Pacific Plate cannot easily bend, under the joint horizontal compression and vertical gravity pull, even with a pre-existing weak zone in place and with a large age offset across the plate boundary. The bending of the Caroline Plate near the northern end of the Mussau Trench started only after a long-time span of trench migration, and/or after a prolonged transition from initial compression to trench development. Highly contrasting trench deformation and sedimentary accretion between two parallel seismic sections support an evident migration of underthrusting or significant longitudinal heterogeneity along the trench. The swift transition from underthrusting to non-thrusting can be explained by a counter-clockwise rotation of the Caroline Plate. That miniature accretionary wedges develop even before the subduction initiates imply strong compression and uplifting before the underthrusting can kick-start. Rotation of the Caroline Plate have been halted as the Mussau Trench is seismically rather quiet and the Lyra Trough to the east shows relaxational extension.

关键词： Mussau Trench Subduction initiation Seismic reflection Caroline Plate

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持续日变高温对肉鸡矿物质代谢的影响

家畜生态 2000年第1期21卷 10-15页

作者：杜荣张敏红张卫红王丹莉中国农业科学院畜牧研究所北京100094

为研究持续日变高温环境对肉仔鸡矿物质代谢的影响,选用体重接近的20只肉仔鸡,随机分为两组,另选体重接近的4只肉仔鸡,施人工肛门手术。试验组持续日变高温环境设为25～35℃,其中每日35℃持续3h。对照组为20℃恒温。在人工气候舱内适应8... 详细信息

为研究持续日变高温环境对肉仔鸡矿物质代谢的影响,选用体重接近的20只肉仔鸡,随机分为两组,另选体重接近的4只肉仔鸡,施人工肛门手术。试验组持续日变高温环境设为25～35℃,其中每日35℃持续3h。对照组为20℃恒温。在人工气候舱内适应8d后,每只鸡收集3d尿和总排泄物,并对其中矿物质排出量进行测量,分别对试验前及试验结束时血液中矿物质浓度进行测量。结果表明:持续日变高温使肉仔鸡血清中K浓度显著下降,Zn浓度上升,其它矿物质元素浓度无显著变化,在限饲相同进食量情况下,热应激使K、P、Mg、Na和Co的排出量明显低于对照组,而其它矿物元素排出量与对照组无显著差异,尿中矿物质浓度无显著变化。

关键词：肉鸡持续高温矿物质代谢鸡

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聚甲醛成核剂研究进展

合成树脂及塑料 2010年第3期27卷 75-80页

作者：张敏宏史建公赵桂良刘志坚石勤智杨万泰中国石油化工股份有限公司催化剂北京燕山分公司北京102400 中国石油化工股份有限公司催化剂分公司博士后工作站北京102400 中国石油化工股份有限公司催化剂分公司北京100011 北京化工大学材料科学与工程学院北京100029

综述了硅藻土、硅胶、蒙脱土、滑石粉和氮化硼等无机成核剂,聚酰胺、羧酸盐等有机成核剂对聚甲醛(POM)结晶性能和力学性能的影响。由弹性体和滑石粉组成的复合成核剂不仅可使POM的球晶尺寸减小至2.1μm,更重要的是使POM的成型收缩率从3... 详细信息

综述了硅藻土、硅胶、蒙脱土、滑石粉和氮化硼等无机成核剂,聚酰胺、羧酸盐等有机成核剂对聚甲醛(POM)结晶性能和力学性能的影响。由弹性体和滑石粉组成的复合成核剂不仅可使POM的球晶尺寸减小至2.1μm,更重要的是使POM的成型收缩率从3.3%降至2.0%。开发POM成核剂一是要根据POM的结构特征,通过分子设计,合成适合POM专用的系列成核剂;二是通过对现有成核剂的物理或化学复合,开发复合成核剂,发挥不同组分的协同效应。

关键词：聚甲醛成核剂复合成核剂结晶

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温热环境对育肥猪体温调节的影响规律

动物营养学报 2016年第11期28卷 3386-3390页

作者：夏九龙刁华杰冯京海张敏红刁新平中国农业科学院北京畜牧兽医研究所北京100193 东北农业大学动物科技学院哈尔滨150030

环境温湿度是影响育肥猪福利、生长及健康的重要因素。猪属于恒温动物,当环境温湿度发生变化时,可以通过调整自身的产热量、采食量、呼吸频率、皮肤温度及体核温度等指标来维持产热和散热的平衡,从而在一定温湿度范围内维持体温的恒定... 详细信息

环境温湿度是影响育肥猪福利、生长及健康的重要因素。猪属于恒温动物,当环境温湿度发生变化时,可以通过调整自身的产热量、采食量、呼吸频率、皮肤温度及体核温度等指标来维持产热和散热的平衡,从而在一定温湿度范围内维持体温的恒定。本文总结和分析了育肥猪在不同环境温湿度条件下体温调节指标发生剧烈变化的顺序,判断不同温度下育肥猪的舒适状态,为今后研究、建立猪舒适环境参数,科学调控猪舍内的温热环境提供参考。

关键词：温度湿度育肥猪体温调节

化湿解毒通络汤对湿热郁阻型缺血性脑卒中血脂水平的影响

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中医药临床杂志 2017年第7期29卷 1058-1060页

作者：施经伟章娟娟张田彭敏红解放军第458医院康复医学科广东广州510000 广东省人民医院康复医学科广东广州510000

目的:探究化湿解毒通络汤对湿热郁阻型缺血性脑卒中治疗的临床疗效及对TG、TC、LDL的影响。方法:80例湿热郁阻型缺血性脑卒中随机分为2组。对照组40例应用常规西药治疗,实验组40例在对照组基础上应用化湿解毒通络汤治疗,对比2组临床疗... 详细信息

目的:探究化湿解毒通络汤对湿热郁阻型缺血性脑卒中治疗的临床疗效及对TG、TC、LDL的影响。方法:80例湿热郁阻型缺血性脑卒中随机分为2组。对照组40例应用常规西药治疗,实验组40例在对照组基础上应用化湿解毒通络汤治疗,对比2组临床疗效、不良反应发生率及TG、TC、LDL水平。结果:实验组有效率显著高于对照组,2组比较具有统计学意义(P<0.05);实验组TG、TC、LDL水平改善程度显著优于对照组,组间比较具有统计学意义(P<0.05)。结论化湿解毒通络汤治疗湿热郁阻型缺血性脑卒中具有较显著的疗效,可有效改善患者的血脂水平。

关键词：化湿解毒通络汤缺血性脑卒中血脂

聚氯乙烯耐寒增塑剂(DOA)的市场需求分析

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工业技术创新 2015年第2期2卷 155-159页

作者：李沂濛史建公张毅张敏宏天津医科大学图书馆天津300070 中石化催化剂(北京)有限公司北京102400

介绍了PVC耐寒增塑剂己二酸二辛酯(DOA)的物化性质、用途及生产工艺,在介绍国内PVC及增塑剂发展现状的基础上,重点综述了国内DOA生产及市场需求现状,指出开发具有自主知识产权的绿色环保增塑剂、扩大单套装置规模、实现增塑剂产品的系... 详细信息

介绍了PVC耐寒增塑剂己二酸二辛酯(DOA)的物化性质、用途及生产工艺,在介绍国内PVC及增塑剂发展现状的基础上,重点综述了国内DOA生产及市场需求现状,指出开发具有自主知识产权的绿色环保增塑剂、扩大单套装置规模、实现增塑剂产品的系列化和生产的清洁化是增塑剂行业发展的方向。

关键词： PVC增塑剂己二酸二辛脂产能需求市场分析

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胃肠起搏治疗肠易激综合征疗效观察

胃肠病学 2006年第3期11卷 172-174页

作者：张敏红桑玉尔徐雷鸣乔芳宗春华李定国上海交通大学医学院附属新华医院消化内科 200092

背景:肠易激综合征(IBS)是临床常见消化系统疾病,业已证实胃肠动力障碍是其病因之一。胃肠起搏是近年兴起的治疗胃肠动力障碍性疾病的新方法,但其疗效尚不明确。目的:评价胃肠起搏治疗IBS的疗效。方法:60例符合罗马Ⅱ标准的IBS患者随机... 详细信息

背景:肠易激综合征(IBS)是临床常见消化系统疾病,业已证实胃肠动力障碍是其病因之一。胃肠起搏是近年兴起的治疗胃肠动力障碍性疾病的新方法,但其疗效尚不明确。目的:评价胃肠起搏治疗IBS的疗效。方法:60例符合罗马Ⅱ标准的IBS患者随机分为2组,治疗组予胃肠起搏治疗,每周5天,每天30min,疗程4周;对照组服用谷维素20mgtid,疗程4周。治疗前后进行胃肠道症状评分。结果:胃肠起搏治疗对IBS患者腹痛和(或)腹部不适程度和频度、腹胀程度和频度以及排便次数和粪便性状的改善具有显著疗效(P0.05)。结论:胃肠起搏能明显改善IBS患者的胃肠道症状,是一种较好的治疗方法。

关键词：肠易激综合征胃肠活动胃肠起搏治疗结果

HNRNPC as a pan-cancer biomarker and therapeutic target involved in tumor progression and immune regulation

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Oncology Research 2025年第1期33卷 83-102页

作者： YUEZHOU zhang ZHAO zhang JINXIN DONG CHANGAN LIU Department of Hepatobiliary Surgery The Second Affiliated Hospital of Chongqing Medical UniversityChongqing400016China Department of Hepatobiliary Surgery The First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China

Background:Aberrant expression of RNA-binding proteins(RBPs)has been linked to a variety of diseases,including hematological disorders,cardiovascular diseases,and multiple types of *** nuclear ribonucleoprotein C(HNRNPC),a member belonging to the heterogeneous nuclear ribonucleoprotein(hnRNP)family,plays a pivotal role in nucleic acid *** studies have underscored the significance of HNRNPC in tumorigenesis;however,its specific role in malignant tumor progression remains inadequately ***:We leveraged publicly available databases,including The Cancer Genome Atlas(TCGA),to explore the potential involvement of HNRNPC across various ***,we performed experimental validation studies focused on liver ***:Our analysis revealed that HNRNPC is overexpressed in a wide range of common malignancies,including liver and lung cancers,and is strongly linked to unfavorable ***,HNRNPC was observed to be closely linked to tumor *** immune checkpoint analysis and immune cell infiltration assessment,HNRNPC emerged as a potential target for modulating tumor ***,silencing of HNRNPC markedly inhibited the proliferation,metastasis,and infiltration of liver cancer ***:In summary,our findings highlight HNRNPC as a prognostic marker in various cancers,including liver cancer,and suggest its involvement in shaping the tumor immune *** insights offer potential avenues for improving clinical outcomes in tumors with elevated HNRNPC expression,particularly through immunotherapeutic strategies.

关键词： Heterogeneous nuclear ribonucleoprotein C(HNRNPC) Pan-cancer analysis Tumor immunity Prognostic biomarker Immunotherapeutic target Hepatocellular carcinoma

Control of Corner Separation for a Linear Compressor Cascade via Bionic Slanting Riblets at the Endwall

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Journal of Thermal Science 2025年第1期34卷 129-144页

作者： zhang Peng LI Yonghong CHENG Rixin Key Laboratory of Civil Aircraft Airworthiness Technology Civil Aviation University of China College of Aeronautical Engineering Civil Aviation University of China

A new passive control approach,utilizing bionic slanting riblets,is employed to mitigate the flow close to the blade endwall in a linear cascade,and its effectiveness and mechanism in controlling corner separation are investigated through numerical *** slanting riblets are positioned at the endwall upstream of the cascade channel,and the influence of riblet height,yaw angle and relative position on the control of corner separation is *** findings indicate that the application of slanting riblets can efficiently counteract corner separation across the stable operational ***,the introduction of riblets with a height of merely 0.1 times the boundary layer thickness results in a significant reduction in total pressure loss by up to 14.53%,while simultaneously enhancing the static pressure coefficient by 21.74%.Flow analysis reveals that minute vortices produced within the riblet channels tend to coalesce,forming a potent large-scale vortex near the boundary layer's base *** phenomenon results in reduced additional losses compared to conventional vortex ***,the induced vortex promotes enhanced mixing between the mainstream flow and boundary layer,inhibiting the lateral displacement of low-energy fluids within the endwall boundary ***,this delays the onset of separation vortex formation and eliminates vortex rings in the corner region,ultimately enhancing the aerodynamic efficiency of the cascade.

关键词： additional losses compressor cascade corner separation slanting riblets vortex generator