检索结果-南通市图书馆

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

学习指导

Concentration–discharge patterns of weathering products from global rivers

丛书名：外研社丽声拼读故事会

2011年

作者： (英) Clare Kirtley Thelma.page

本书是故事天下第一猫、萨姆的罐子、小虫鲍勃、挖, 挖, 挖! 、扎克和兽医、虫妈妈的包的学习大纲, 包括介绍拼读规则、拼读指导和拓展训练。

ISBN: (纸本)9787513509275;7513509271;9787894788061

本书是故事天下第一猫、萨姆的罐子、小虫鲍勃、挖, 挖, 挖! 、扎克和兽医、虫妈妈的包的学习大纲, 包括介绍拼读规则、拼读指导和拓展训练。

关键词：英语

来源：畅想之星图书光盘版（南... 评论

在线全文

畅想之星图书光盘版（南通市图书馆镜像）

学校读者我要写书评

暂无评论

Acta Geochimica 2017年第3期36卷 405-409页

作者： Daniel E.Ibarra Seulgi Moon Jeremy K.Caves C.page Chamberlain Kate Maher Earth System Science Stanford University StanfordCA 94305-4216 USA Earth Planetary and Space Sciences University of California Los Angeles CA 90095-1567 USA Earth Science ETH Ziirich 8092 Zurich Switzerland Geological Sciences Stanford University StanfordCA 94305-2115 USA

Quantifying the functional relationships relating river discharge and weathering products places key constraints on the negative feedback between the silicate weathering and climate. In this study we analyze the concentration–discharge relationships of weathering products from global rivers using previously compiled time-series datasets for concentrations and discharge from global rivers. To analyze the nature of the covariation between specific discharge and concentrations, we use both a power law equation and a recently developed solute production equation. The solute production equation allows us to quantify weathering efficiency, or the resistance to dilution at high runoff, via the Damkohler coefficient. These results are also compared to those derived using average concentration–discharge *** the power law exponent and the Damkohler coefficient increase and asymptote as catchments exhibit increasingly chemostatic behavior, resulting in an inverse relationship between the two parameters. We also show that using thedistribution of average concentration–discharge pairs from global rivers, rather than fitting concentration–discharge relationships for each individual river, underestimates global median weathering efficiency by up to a factor of ～10. This study demonstrates the utility of long time-series sampling of global rivers to elucidate controlling processes needed to quantify patterns in global silicate weathering rates.

关键词： Concentration–discharge Rivers Silicate weathering Solutes

随Rich page身临其境——听听世界顶级帆船摄影家的传奇经历

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

影像视觉 2007年第8期8卷 16-19页

作者： Rich page

Rich page在Kent Sandwich的Cinque Port镇长大,他的不少时光都是驾驭舢板在河上度过的。摄影时为了保护相机,他常常把相机放在保洁塑料袋中。Rich成为专业摄影师7年,如今已是负责重大赛事的职业摄影师了,例如美国杯帆船大赛、沃尔沃环... 详细信息

Rich page在Kent Sandwich的Cinque Port镇长大,他的不少时光都是驾驭舢板在河上度过的。摄影时为了保护相机,他常常把相机放在保洁塑料袋中。Rich成为专业摄影师7年,如今已是负责重大赛事的职业摄影师了,例如美国杯帆船大赛、沃尔沃环球海洋大赛、百年灵帆船赛等。他的工作环境中总不乏名流贵族。

关键词：摄影家帆船专用船照片摄影师镜头新闻中心笔记本电脑电子邮件相机

Management of borderline and locally advanced pancreatic cancer:Where do we stand?

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2014年第9期20卷 2255-2266页

作者： Jin He Andrew J page Matthew Weiss Christopher L Wolfgang Joseph M Herman Timothy M Pawlik Department of Surgery Johns Hopkins Hospital Baltimore MD 21287 United States Department of Radiation Oncology Johns Hopkins Hospital Baltimore MD 21287 United States

Many patients with pancreas cancer present with locally advanced pancreatic cancer(LAPC).The principle tools used for diagnosis and staging of LAPC include endoscopic ultrasound,axial imaging with computed tomography and magnetic resonance imaging,and diagnostic *** definition of resectability has historically been vague,as there is considerable debate and controversy as to the definition of *** the patient with LAPC,there is some level of involvement of the surrounding vascular structures,which include the superior mesenteric artery,celiac axis,hepatic artery,superior mesenteric vein,or portal *** feasible,most surgeons would recommend possible surgical resection for patients with borderline LAPC,with the goal of an R0 *** initially unresectable LAPC,neoadjuvant should be strongly ***,these patients should be offered neoadjuvant therapy,and the tumor should be assessed for possible response and eventual *** efficacy of neoadjuvant therapy with this approach as a bridge to potential curative resection is broad,ranging from 3%-79%.The different modalities of neoadjuvant therapy include sin-gle or multi-agent chemotherapy combined with radiation,chemotherapy alone,and chemotherapy followed by chemotherapy with *** review focuses on patients with LAPC and addresses recent advances and controversies in the field.

关键词： Pancreas Locally advanced Chemotherapy Radiation Irreversible electroporation Pancreatic cancer

Promoting International Cooperation on Nuclear Security

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Peace 2014年第2期 54-55页

作者： page O Stoutland Nuclear Threat Initiative

If terrorists can obtain a sufficient quantity of weapons usable nuclear material,they could design,construct and detonate a nuclear *** consequences of such a catastrophe would reverberate around the globe,with thousands of casualties,disruptions to economic markets,long-term implications for public health and the environment,and risks to civil liberties-not to mention the staggering cost of any response.

关键词： Nuclear consequences usable civil cooperation glob

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

CARBON Footprints

空中英语教室（高级版．彭蒙惠英语） 2009年第4期 29-34页

作者： page DESIGN SHERI CHEN

走进干邑产区——专访法国国家干邑管理局局长Catherine LE page

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

新食品 2018年第7期 60-62页

作者： Catherine LE page 法国国家干邑管理局

干邑(Cognac)是法国著名的葡萄酒产区,使用来自于大香槟区(Grand Champagne)、小香槟区(Petite Champagne)、边缘区(Borderies)、优林区(Fins Bois)、良林区(Bons Bois)以及普通林区(Bois Ordinaires)这6个区域生长的白玉霓(Ugni Blanc)、鸽笼白(Colombard)、白福尔(Folle Blanche)为原料,在干邑地区使用夏朗德壶式整流器经过两次蒸馏制作而成的一种白兰地。2018新年初始,本刊记者来到干邑产区参观时,采访了法国国家干邑管理局局长Catherine LE page,由她带领我们一起走进法国干邑产区。

关键词：干邑区域生长边缘区 page 整流器葡萄酒产区林区

High-performance polymer electrolyte membranes incorporated with 2D silica nanosheets in high-temperature proton exchange membrane fuel cells

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2022年第1期31卷 323-334,I0009页

作者： Zunmin Guo Jianuo Chen Jae Jong Byun Rongsheng Cai Maria Perez-page Madhumita Sahoo Zhaoqi Ji Sarah J.Haigh Stuart M.Holmes Department of Chemical Engineering and Analytical Science The University of ManchesterM139PLUnited Kingdom Department of Materials The University of ManchesterM139PLUnited Kingdom

Silica nanosheets(SN)derived from natural vermiculite(Verm)were successfully incorporated into polyethersulfone-polyvinylpyrrolidone(PES-PVP)polymer to fabricate high-temperature proton exchange membranes(HT-PEMs).The content of SN filler was varied(0.1-0.75 wt%)to study its influence on proton conductivity,power density and *** from the hydroxyl groups of SN that enable the formation of additional proton-transferring pathways,the inorganic-organic membrane displayed enhanced proton conductivity of 48.2 mS/cm and power density of 495 mW/cm^(2) at 150℃ without humidification when the content of SN is 0.25 wt%.Furthermore,exfoliated SN(E-SN)and sulfonated SN(S-SN),which were fabricated by a liquid-phase exfoliation method and silane condensation,respectively,were embedded in PES-PVP polymer matrix by a simple blending *** to the significant contribution from sulfonic groups in S-SN,the membrane with 0.25 wt%S-SN reached the highest proton conductivity of51.5 mS/cm and peak power density of 546 mW/cm^(2) at150℃,48%higher than the pristine PES-PVP *** to unaltered PES-PVP membrane,SN added hybrid composite membrane demonstrated excellent durability for the fuel cell at 150℃.Using a facile method to prepare 2D SN from natural clay minerals,the strategy of exfoliation and functionalization of SN can be potentially used in the production of HT-PEMs.

关键词： Silica nanosheets Vermiculite High-temperature proton exchange membrane Proton conductivity

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Seeing Without Sight

空中英语教室（高级版．彭蒙惠英语） 2013年第4期 27-28页

作者： by Melissa Healy page DESIGN