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美国参加中国银行团的经过

美国参加中国银行团的经过

1965年

作者：（美）f.V.菲尔德（f.V. feild）吕浦译

来源：汇雅图书（南通市图书馆... 评论

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带裂缝混凝土的吸水性能及防水处理的影响

建筑材料学报 2010年第1期13卷 70-74页

作者：张鹏戴建国赵铁军 f.H.Wittmann 金祖权青岛理工大学混凝土耐久性中心山东青岛266033 香港理工大学土木及结构工程学系 Aedificat Institute freiburg FreiburgGermany

对小尺寸钢筋混凝土梁诱导了不同宽度的裂缝,通过吸水试验研究了带裂缝混凝土的吸水性能,以及混凝土表面涂覆硅烷和内掺硅烷对水分侵入的抑制效果.结果显示,带裂缝混凝土在吸水4 h内,其吸水量与时间平方根呈良好的线性关系;混凝土吸水... 详细信息

对小尺寸钢筋混凝土梁诱导了不同宽度的裂缝,通过吸水试验研究了带裂缝混凝土的吸水性能,以及混凝土表面涂覆硅烷和内掺硅烷对水分侵入的抑制效果.结果显示,带裂缝混凝土在吸水4 h内,其吸水量与时间平方根呈良好的线性关系;混凝土吸水系数随裂缝宽度的增大而增大,且呈"S"形状;经表面防水处理的混凝土,水分以气态形式沿裂缝进入混凝土,贯穿憎水区后逐渐凝结并最终与外界建立吸水通道,防水效果取决于憎水层厚度和裂缝宽度;内掺硅烷的混凝土整体憎水,即使裂缝宽度达0.4 mm,其防水效果仍保持不变.

关键词：裂缝防水处理硅烷憎水层吸水系数

Cancer risk in IBD: How to diagnose and how to manage DALM and ALM

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World Journal of Gastroenterology 2011年第27期17卷 3184-3191页

作者： Helmut Neumann Michael Vieth Cord Langner Markus f Neurath Jonas Mudter Department of Medicine 1 Department of SurgeryUniversity of Erlangen-Nuremberg Ulmenweg 1891054 ErlangenGermany Institute of Pathology Klinikum Bayreuth GmbHPreuschwitzer Str. 10195445 BayreuthGermany Institute of Pathology Medical University of GrazAuenbruggerplatz 25A-8036 Graz Austria

The risk of developing neoplasia leading to colorectal cancer is significantly increased in ulcerative colitis (UC) and most likely in Crohn's disease. Several endoscopic surveillance strategies have been implemented to identify these lesions. The main issue is that colitisassociated neoplasms often occurs in flat mucosa, often being detected on taking random biopsies rather than by identification of these lesions via endoscopic imaging. The standard diagnostic procedure in long lasting UC is to take four biopsies every 10 cm. Image enhancement methods, such as chromoendoscopy and virtual histology using endomicroscopy, have greatly im- proved neoplasia detection rates and may contribute toreduced random biopsies by taking targeted "smart" biopsies. Chromoendoscopy may effectively be performed by experienced endoscopists for routine screening of UC patients. By contrast, endomicroscopy is often only available in selected specialized endoscopic centers. Importantly, advanced endoscopic imaging has the poten- tial to increase the detection rate of neoplasia whereas the interplay between endoscopic experience and interpretation of histological biopsy evaluation allows the physician to make a proper diagnosis and to find the appropriate therapeutic approach. Colitis-associated intraepithelial neoplasms may occur in flat mucosa of endoscopically normal appearance or may arise as dysplasia-associated lesion or mass (DALM), which may be indistinguishable from sporadic adenomas in healthy or non-colitis mucosa [adenoma-like mass (ALM)]. The aim of this review was to summarize endoscopic and histological characteristics of DALM and ALM in the context of therapeutic procedures.

关键词： Inflammatory bowel disease Crohn’s dis- ease Endoscopy Colitis Dysplasia-associated lesion or mass Adenoma-like mass Endomicroscopy Ulcerative colitis Endomicroscopy Confocal laser endomicroscopy Probe-based confocal laser endomicroscopy Integrated confocal laser endomicroscopy Endoscope-based confocal laser endomicroscopy Narrow band imaging Chromoendoscopy Cancer Dysplasia

青藏高原北部异常SKS分裂成因的初步探讨——被熔体强化的岩石圈各向异性

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地球物理学报 2002年第6期45卷 821-831页

作者：杨晓松金振民马瑾 E. Huenges f. Schilling 中国地质大学地球物理系中国地震局地质研究所构造物理开放实验室北100029 中国地震局地质研究所构造物理开放实验室 GeoforschungsZentrum Potsdam

当人们试图解释青藏高原异常的剪切波分裂成因时 ,以下的问题让人们感到困惑 :( 1 )为什么异常大的SKS分裂延时 ( 1 .91— 2 .4s)出现在青藏高原北部Sn波缺失区 ;( 2 )为什么分裂延时突变 ( 1 .47s和 1 .0 9s)出现在Sn波缺失区的边缘 ;(... 详细信息

当人们试图解释青藏高原异常的剪切波分裂成因时 ,以下的问题让人们感到困惑 :( 1 )为什么异常大的SKS分裂延时 ( 1 .91— 2 .4s)出现在青藏高原北部Sn波缺失区 ;( 2 )为什么分裂延时突变 ( 1 .47s和 1 .0 9s)出现在Sn波缺失区的边缘 ;( 3)为什么快波极化方向(fPD)与地表大规模的构造走向之间存在约 2 0°— 30°的偏差 .本文在综合分析流变学实验和岩石物理学实验研究成果、青藏高原地质和地球物理资料的基础上 ,提出青藏高原北部地震波各向异性受岩石圈地幔主要矿物的晶格优选方位 (LPO)和熔体的定向分布 (MPO)的双重控制 ,并模拟计算了MPO对青藏高原北部岩石圈地幔各向异性强度的贡献 .研究结果表明 ,由MPO强化的青藏高原北部岩石圈地幔各向异性强度可达 1 0 % ,相应的各向异性层厚度平均为 94km .该结果为研究区SKS分裂的成因解释以及造山带深部地质过程的研究提供了新的约束条件 .

关键词：岩石圈 SKS分裂熔体定向分布晶格优选方位各向异性青藏高原

Two Reemergent Cases of COVID-19—Hebei Province,China,January 2,2021

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China CDC weekly 2021年第2期3卷 25-27页

作者： Shunxiang Qi Xiang Zhao Peter Hao Nankun Liu George f.Gao Yang Song Wenbo Xu Qi Li Hebei Provincial Center for Disease Control and Prevention ShijiazhuangHebei ProvinceChina National Institute for Viral Disease Control and Prevention China CDCBeijingChina Chinese Center for Disease Control and Prevention BeijingChina.

On January 2,2021,2 cases of coronavirus disease 2019(COVID-19)were identified in 2 cities of Hebei Province,and genomic sequencing suggested that the cases likely resulted from the same *** first case(Patient A)was identified as positive at 12∶18 in Shijiazhuang City,the capital of Hebei Province,and the second case(Patient B)was identified as positive at 21∶00 in Xingtai City.

关键词： Hebei likely COV

Effect of angiotensin converting enzyme gene I/D polymorphism in patients with metabolic syndrome in North Indian population

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Chinese Medical Journal 2011年第1期124卷 45-48页

作者： Gaurav Mittal Vibhanshu Gupta Shahzad f Haque Anwer S Khan Department of Medicine J.N. Medical College Aligarh India

Background Numerous studies have investigated the effect of angiotensin converting enzyme （ACE） gene I/D polymorphism and various cardiovascular risk factors in different populations with varied results. Currently, the association of ACE gene polymorphism with metabolic syndrome has not been studied in North Indians. While studies assessing the effect with polymorphism on each of the components of metabolic syndrome separately are present, data regarding the metabolic syndrome per se are sparse. The present study evaluated the effect of ACE gene I/D polymorphism in patients with metabolic syndrome in North Indian population at a tertiary care centre. Methods fifty subjects, with thirty cases of metabolic syndrome （NCEP/ATP III guidelines, 2004） and twenty age and gender matched healthy controls were chosen. Detailed history was reviewed and clinical examination of the subjects was carried out. Relevant investigations including blood glucose （fasting and post prandial）, blood urea, serum creatinine and serum lipids were done. DNA of cases and controls was analysed for I/D polymorphism using polymerase chain reaction. Results D/D genotype was more frequent in patients with metabolic syndrome as compared with healthy controls （P 〈0.05）. Systolic blood pressure （SBP） and diastolic blood pressure （DBP） was significantly higher in the D/D genotype than I/D and I/I genotypes （P 〈0.05）. Our study also showed positive association between obesity, fasting blood glucose and ACE gene polymorphism while no association was found with triglycerides and high density lipoprotein cholesterol. The I/I group was significantly associated with waist circumference and fasting blood glucose （P 〈0.05）. Conclusion Our study clearly showed that metabolic syndrome was associated with ACE gene polymorphism. However due to less number of subjects in the study further studies are needed to corroborate our results.

关键词： metabolic syndrome ACE gene polymorphism North Indian

糖化作用刺激体外重建全层皮肤模型中单核细胞分化

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中华皮肤科杂志 2018年第2期51卷 166-167页

作者： Pageon H Zucchi H Rousset f 欧莱雅法国研发和创新中心

晚期糖化终末产物（AGEs）是由蛋白质或脂质与糖（如葡萄糖和核糖）通过非酶糖化反应形成的，是公认与自然老化相关机制之一。皮肤生物学研究认为，糖化作用对与真皮基质分子影响皮肤老化的硬化有关，可能是由改变分子间交联所致；有研... 详细信息

晚期糖化终末产物（AGEs）是由蛋白质或脂质与糖（如葡萄糖和核糖）通过非酶糖化反应形成的，是公认与自然老化相关机制之一。皮肤生物学研究认为，糖化作用对与真皮基质分子影响皮肤老化的硬化有关，可能是由改变分子间交联所致；有研究在糖尿病和老化皮肤中检测到AGEs蓄积。有文献报道，AGE沉积可使皮肤生物化学特性和功能均发生变化。AGEs通过改变细胞外基质和细胞内蛋白质，可影响皮肤自稳态和皮肤常驻细胞的功能。

关键词：皮肤模型糖化作用细胞分化体外重建晚期糖化终末产物细胞内蛋白质单核全层

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野生酸枣果硒多糖纯化与光谱分析

农业机械学报 2011年第6期42卷 148-151,147页

作者：孙延芳梁宗锁单长卷 Viernstein H Unger f 辽宁工程技术大学理学院阜新123000 西北农林科技大学生命科学学院陕西杨凌712100 河南科技学院生物系新乡453003 维也纳大学生物药理和药理技术实验室

采用热水浸提、乙醇沉淀法获得酸枣果硒多糖粗品。苯酚-硫酸法测其多糖含量为(92.6±4.72)mg/g,原子荧光光度法测其硒含量为(17.8±2.05)μg/kg。DEAE-25纤维素和Sephadex G-75凝胶层析柱进一步分离纯化得白色絮状多糖。薄层层析和高效... 详细信息

采用热水浸提、乙醇沉淀法获得酸枣果硒多糖粗品。苯酚-硫酸法测其多糖含量为(92.6±4.72)mg/g,原子荧光光度法测其硒含量为(17.8±2.05)μg/kg。DEAE-25纤维素和Sephadex G-75凝胶层析柱进一步分离纯化得白色絮状多糖。薄层层析和高效阴离子交换色谱法分析其单糖组成。结果表明:该多糖是由鼠李糖、阿拉伯糖、半乳糖、葡萄糖、木糖等单糖组成,其摩尔比为3.21∶8.36∶5.61∶0.96∶1.82。红外光谱分析表明具有明显的多糖特征吸收峰,核磁共振波谱表明该多糖结构主要为β-糖苷键连接的吡喃型葡聚糖。

关键词：酸枣硒多糖高效阴离子交换色谱红外光谱核磁共振波谱

Modelling of a tubular solid oxide fuel cell with different designs of indirect internal reformer

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Journal of Energy Chemistry 2014年第2期23卷 251-263页

作者： P.Kim-Lohsoontorn f.Priyakorn U.Wetwatana N.Laosiripojana Department of Chemical Engineering Mahidol University The Joint Graduate School of Energy and Environment King Mongkut’s University of Technology Thonburi Chemical Process Engineering The Sirindhorn Internation Thai German Graduate School of EngineeringKing Mongkut’s University of Technology North Bangkok

The cell performance and temperature gradient of a tubular solid oxide fuel cell with indirect internal reformer （IIR-SOfC） fuelled by natural gas, containing a typical catalytic packed-bed reformer, a catalytic coated wall reformer, a catalytic annular reformer, and a novel catalytic annular-coated wall reformer were investigated with an aim to determine the most efficient internal reformer system. Among the four reformer designs, IIR-SOfC containing an annular-coated wall reformer exhibited the highest performance in terms of cell power density （0.67 *** 2） and electrical efficiency （68%） with an acceptable temperature gradient and a moderate pressure drop across the reformer （3.53 × 10 5 kPa）. IIR-SOfC with an annular-coated wall reformer was then studied over a range of operating conditions： inlet fuel temperature, operating pressure, steam to carbon （S ： C） ratio, gas flow pattern （co-flow and counter-flow pattern）, and natural gas compositions. The simulation results showed that the temperature gradient across the reformer could not be decreased using a lower fuel inlet temperature （1223 K-1173 K） and both the power density and electrical efficiency of the cell also decreased by lowering fuel inlet temperature. Operating in higher pressure mode （1-10 bar） improved the temperature gradient and cell performance. Increasing the S ： C ratio from 2 ： 1 to 4：1 could decrease the temperature drop across the reformer but also decrease the cell performance. The average temperature gradient was higher and smoother in IIR-SOfC under a co-flow pattern than that under a counter-flow pattern, leading to lower overpotential and higher cell performance. Natural gas compositions significantly affected the cell performance and temperature gradient. Natural gas containing lower methane content provided smoother temperature gradient in the system but showed lower power density and electrical efficiency.

关键词： indirect internal reforming solid oxide fuel cell annular-coated wall reformer packed-bed reformer catalytic coated wall reformer catalyticannular reformer