检索结果-南通市图书馆

An efficient and accurate framework for calculating lattice thermal conductivity of solids:AFLOW-AAPL Automatic Anharmonic Phonon Library

引用

npj Computational Materials 2017年第1期3卷 79-88页

作者： jose j.Plata Pinku Nath Demet Usanmaz jesus Carrete Cormac Toher maarten de jong Mark Asta Marco Fornari Marco Buongiorno Nardelli Stefano Curtarolo Department of Mechanical Engineering and Materials Science Duke UniversityDurhamNC 27708USA Institute of Materials Chemistry TU WienA-1060 ViennaAustria Department of Materials Science and Engineering University of CaliforniaBerkeley210 Hearst Memorial Mining BuildingBerkeleyUSA SpaceX 1 Rocket RoadHawthorneCA 90250USA Department of Physics and Science of Advanced Materials Program Central Michigan UniversityMount PleasantMI 48859USA Department of Physics and Department of Chemistry University of North TexasDentonTXUSA Materials Science Electrical EngineeringPhysics and ChemistryDuke UniversityDurhamNC 27708USA

One of the most accurate approaches for calculating lattice thermal conductivity,κ_(l),is solving the Boltzmann transport equation starting from third-order anharmonic force *** addition to the underlying approximations of ab-initio parameterization,two main challenges are associated with this path:high computational costs and lack of automation in the frameworks using this methodology,which affect the discovery rate of novel materials with ad-hoc ***,the Automatic Anharmonic Phonon Library(AAPL)is *** efficiently computes interatomic force constants by making effective use of crystal symmetry analysis,it solves the Boltzmann transport equation to obtain κ_(l),and allows a fully integrated operation with minimum user intervention,a rational addition to the current high-throughput accelerated materials development framework ***“experiment ***”study of the approach is shown,comparing accuracy and speed with respect to other available packages,and for materials characterized by strong electron localization and *** AAPL with the pseudo-hybrid functional ACBN0 is possible to improve accuracy without increasing computational requirements.

关键词： properties. harmonic calculating

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Different fluid histories during the metamorphic evolution of North Dabie and South Dabie, China: evidence from oxygen isotopes and fluid inclusions

Different fluid histories during the metamorphic evolution o...

引用

地壳深部压力状态与地质作用学术研讨会

作者： j. Hoefs A.M. van den Kerkhof j. Fiebig Institute of Geochemistry GoldschmidtstraBe 1 D-37077 Gottingen Germany Institute of Geology and Dynamics of the Lithosphere GoldschmidtstrBe 3 D-37077 GottingenGermany Institute of Geochemistry GoldschmidtstraBe 1 D-37077 Gottingen Germany

＜正＞ The Dabie-Sulu ultrahigh-pressure （UHP） metamorphic belt in East China is known to be the largest among recognized UHP terrains in the world. It represents deep parts of a collision zone between the North China and Yangtze cratons. Tectonically, the Dabie Shan could be subdivided into four metamorphic units: the North Huaiyuang metamorphic belt, the North Dabie Complex （NDC）, the South Dabie UHP Terrain （SDT）, and the Susong metamorphic belt （Liou et al., 1995）.

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

不断扩大流化床淬火的应用范围

引用

现代机械 1992年第1期 22-26页

作者： M.A.DeIano j.van den Sype 李克君

近几年来对改进淬火工艺、提高其再现性及控制方法给予了很大的关注。钢制件的淬火硬化与钢合金的相变特征、制件尺寸和形状、淬火介质的冷却特性等有关。钢合金的相变特征是冶金学变数——含碳量、化学成分、奥氏体晶粒大小等的函数,... 详细信息

近几年来对改进淬火工艺、提高其再现性及控制方法给予了很大的关注。钢制件的淬火硬化与钢合金的相变特征、制件尺寸和形状、淬火介质的冷却特性等有关。钢合金的相变特征是冶金学变数——含碳量、化学成分、奥氏体晶粒大小等的函数,这可由钢合金的“TTT”相图来很好的描述。然而,淬火介质的冷却特性却难以分析描述。

关键词：流化床淬火应用钢件

来源：

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

Phase Transitions and Anion Exchange in All-Inorganic Halide Perovskites

引用

Accounts of Materials Research 2020年第1期1卷 3-15页

作者： julian A.Steele Minliang Lai Ye Zhang Zhenni Lin johan Hofkens maarten B.j.Roeffaers Peidong Yang cMACS Department of Microbial and Molecular SystemsKU Leuven3001 LeuvenBelgium Department of Chemistry University of CaliforniaBerkeleyCalifornia 94720United States Materials Sciences Division Lawrence Berkeley National LaboratoryBerkeleyCalifornia 94720United States Department of Materials Science and Engineering University of CaliforniaBerkeleyCalifornia 94720United States Department of Chemistry KU Leuven3001 HeverleeBelgium Max Plank Institute for Polymer Research Mainz D-55128Germany Kavli Energy Nano Science Institute BerkeleyCalifornia 94720United States

CONSPECTUS:A new generation of semiconducting materials based on metal halide perovskites has recently been launched into the scientific spotlight,exhibiting outstanding optoelectronic properties and providing promise for the development of efficient optical *** a vivid example,solar cells made from these materials have quickly reached conversion efficiencies exceeding 25%,now on par with well-established technologies,like *** widespread success is due,in part,to a unique ability to retain high-quality optoelectronic performance while being easily solutionprocessed into thin *** feature is what defines them as a brand-new class of optoelectronic materials,with the ability to compete with traditional semiconductors requiring higher processing costs,like the III−Vs or II−***,the interesting photophysics of metal halide perovskites come with a catch;their soft ionic lattice promotes complex thermal-induced phase transitions and a high capacity for postsynthetic compositional changes,e.g.,halide anion *** dynamic behavior has ultimately made understanding several important structure−property relationships ambiguous and obstructed a clear path toward commercialization due to inherent phase *** aim in this Account is to highlight the fundamental aspects of metal halide perovskites that dictate a stable crystal structure and enable efficient anion exchange,through the lens of thermodynamic preference and phase formation *** the allinorganic CsPbI3‑xBrx system as a suitable case study,we focus on several ways in which its thermodynamically unstable perovskite structure can be maintained at room temperature and elucidate the restructuring pathways taken during *** addition,we will discuss the origin and mechanisms of postsynthetic anion exchange in CsPbX3(X=I,Br,Cl)perovskites,with emphasis made toward direct visualization using in situ optical microspectroscopy and arriving at quantitative resu

关键词： properties. perovskite halide

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

腺苷A2A受体敲除提高小鼠Y-迷宫空间辨别记忆

腺苷A2A受体敲除提高小鼠Y-迷宫空间辨别记忆

引用

第一届全国脑与认知科学学术研讨会

作者：王建红 maarten van den Buuse 马原野中科院昆明动物研究所灵长类认知神经科学实验室澳大利亚维多利亚精神卫生研究所中科院昆明动物研究所灵长类认知神经科学实验室

＜正＞腺苷受体调节中枢神经递质的传递,及突触可塑性,在学习记忆中具重要作用。腺苷受体有A1,A2A,A2B and A3亚型,其中腺苷A2A受体在大脑基底核有较高分布。已发现腺苷受体（尤其腺苷A1受体）激动剂损伤啮齿类动物的学习记忆,而其拮抗...

＜正＞腺苷受体调节中枢神经递质的传递,及突触可塑性,在学习记忆中具重要作用。腺苷受体有A1,A2A,A2B and A3亚型,其中腺苷A2A受体在大脑基底核有较高分布。已发现腺苷受体（尤其腺苷A1受体）激动剂损伤啮齿类动物的学习记忆,而其拮抗剂却改善大小鼠被动回避反应和迷宫学习。本实验采用“二次性”Y-迷宫空间辨别记忆任务,测试腺苷A2A受体敲除CD-1小鼠的空间辨别记忆能力。该实验方法基于小鼠对新异环境探索的自然天性,避免了奖惩效应的影响。具体如下:将Y-迷宫一臂随机关闭,使小鼠在迷宫内

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Magnetically actuated glaucoma drainage devicefor regulating intraocular pressure afterimplantation

引用

Microsystems & Nanoengineering 2023年第4期9卷 91-105页

作者： Inês C.F.Pereira Ralph j.S.van Mechelen Hans M.Wyss Leonard Pinchuk Henny j.M.Beckers jaap M.j.den Toonder Microsystems Department of Mechanical EngineeringEindhoven University of Technology5600MB EindhovenThe Netherlands Institute for Complex Molecular Systems(ICMS) Eindhoven University of Technology5600MB EindhovenThe Netherlands University Eye Clinic Maastricht Maastricht University Medical Centre+(MUMC+)6202AZ MaastrichtThe Netherlands InnFocus Inc.a Santen CompanyMiamiFlorida 33186USA Ophthalmic Biophysics Center Bascom Palmer Eye InstituteUniversity of Miami Miller School of MedicineMiamiFlorida 33136USA

The key risk factor for glaucoma is increased intraocular pressure (IOP). Glaucoma drainage devices implanted in theeye can reduce IOP and thus stop disease progression. However, most devices currently used in clinical practice arepassive and do not allow for postsurgical IOP control, which may result in serious complications such as hypotony (i.e.,excessively low IOP). To enable noninvasive IOP control, we demonstrate a novel, miniature glaucoma implant that willenable the repeated adjustment of the hydrodynamic resistance after implantation. This is achieved by integrating amagnetic microvalve containing a micropencil-shaped plug that is moved using an external magnet, thereby openingor closing fluidic channels. The microplug is made from biocompatible poly(styrene-block-isobutylene-block-styrene)(SIBS) containing iron microparticles. The complete implant consists of an SIBS drainage tube and a housing elementcontaining the microvalve and fabricated with hot embossing using femtosecond laser-machined glass molds. Usingin vitro and ex vivo microfluidic experiments, we demonstrate that when the microvalve is closed, it can providesufficient hydrodynamic resistance to overcome hypotony. Valve function is repeatable and stable over time. Due to itssmall size, our implant is a promising, safe, easy-to-implant, minimally invasive glaucoma surgery device.

关键词： enable implantation overcome

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Phylogeny,ecology and taxonomy of systemic pathogens and their relatives in Ajellomycetaceae(Onygenales):Blastomyces,Emergomyces,Emmonsia,Emmonsiellopsis

引用

Fungal Diversity 2018年第3期90卷 245-291页

作者： Yanping jiang Karolina Dukik jose F.Munoz Lynne Sigler Ilan S.Schwartz Nelesh P.Govender Chris Kenyon Peiying Feng Bert Gerrits van den Ende j.Benjamin Stielow Alberto M.Stchigel Hongguang Lu Sybren de Hoog Department of Dermatology The Affiliated HospitalGuizhou Medical UniversityGuiyangChina Westerdijk Fungal Biodiversity Institute UtrechtThe Netherlands Center of Expertise in Mycology of RadboudUMC/Canisius Wilhelmina Hospital NijmegenThe Netherlands Institute of Biodiversity and Ecosystem Dynamics University of AmsterdamAmsterdamThe Netherlands Broad Institute of MIT and Harvard CambridgeMAUSA and Biological Sciences EdmontonABCanada Division of Infectious Diseases Department of MedicineFaculty of Medicine and DentistryUniversity of AlbertaEdmontonABCanada Global Health Institute Faculty of Medicine and Health SciencesUniversity of AntwerpAntwerpBelgium A Division of the National Health Laboratory ServiceJohannesburgSouth Africa Sexually Transmitted Infection Unit Institute of Tropical MedicineAntwerpBelgium Third Affiliated Hospital Sun Yat-Sen UniversityGuangzhouChina Thermo Fisher Scientific LandsmeerThe Netherlands Mycology Unit and IISPV University Rovira i VirgiliReusTarragonaSpain

The family Ajellomycetaceae(Onygenales)includes mammal-associated pathogens within the genera Blastomyces,Emmonsia,Histoplasma and Paracoccidioides,as well as the recently described genera,Emergomyces that causes disease in immunocompromised hosts,and Emmonsiellopsis,known only from *** further assess the phylogenetic relationships among and between members of these genera and several previously undescribed species,we sequenced and analyzed the DNA-directed RNA polymerase II(rPB2),translation elongation factor 3-a(TEF3),b-tubulin(TUB2),28S large subunit rDNA(LSU)and the internal transcribed spacer regions(ITS)in 68 strains,in addition to morphological and physiological *** better understand the thermal dimorphism among these fungi,the dynamic process of transformation from mycelial to yeast-like or adiaspore-like forms was also assessed over a range of temperatures(6–42C).Molecular data resolved the relationships and recognized five major well-supported lineages that correspond largely to the genus ***,typified by Emmonsia parva,is a synonym of Blastomyces that also accommodates Blastomyces helicus(formerly Emmonsia helica).Emmonsia crescens is phylogenetically distinct,and found closely related to a single strain from soil without known *** silverae,Emergomyces canadensis,Emergomyces europaeus and Emmonsia sola are newly *** all of the taxa are associated with human and animal *** crescens,*** and *** are prevalently associated with pulmonary disease in humans or *** helicus,***,Emergomyces africanus,***,***,*** and ***(formerly Emmonsia pasteuriana)are predominantly found in human hosts with immune disorders;no animal hosts are known for these species except ***.

关键词： Ajellomycetaceae Onygenales Phylogeny Ecology Thermal dimorphism Systemic infection Taxonomy

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Prehabilitation prior to intestinal resection in Crohn’s disease patients:An opinion review

引用

World journal of Gastroenterology 2022年第22期28卷 2403-2416页

作者： Michiel T j Bak Marit F E Ruiterkamp Oddeke van Ruler Marjo j E Campmans-Kuijpers Bart C Bongers Nico L U van Meeteren C janneke van der Woude Laurents P S Stassen Annemarie C de Vries Department of Gastroenterology and Hepatology Erasmus University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Surgery IJsselland HospitalCapelle aan den IJssel 2906 ZCNetherlands Department of Surgery Erasmus University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Gastroenterology and Hepatology University Medical Center Groningen and University of GroningenGroningen 9713 GZNetherlands Department of Nutrition and Movement Sciences School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastricht 6200 MDNetherlands Department of Epidemiology Care and Public Health Research InstituteMaastricht UniversityMaastricht 6200 MDNetherlands Department of Anaesthesiology Erasmus MC University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Surgery Maastricht University Medical CenterMaastricht 6229 HXNetherlands

Patients with Crohn’s disease(CD)are at a considerable risk for intestinal *** 25%of patients with CD will undergo an intestinal resection within 10 years of *** complications after CD surgery have been reported in 20%-47%of the *** general and CD-related risk factors are associated with postoperative complications,and comprise non-modifiable(e.g.,age)and potentially modifiable risk factors(e.g.,malnutrition).Prehabilitation focuses on the preoperative period with strategies designed to optimize modifiable risk factors concerning the physical and mental condition of the individual *** aim of prehabilitation is to enhance postoperative recovery and return to or even improve preoperative functional *** improvement of nutritional status,physical fitness,cessation of smoking,psychological support,and critical revision of preoperative use of CD medication are important *** of the effect on postoperative outcome in CD patients are scarce,and guidelines lack recommendations on tailored *** this opinion review,we review the current evidence on the impact of screening and management of nutritional status,physical fitness,CD medication and laboratory values on the postoperative course following an intestinal resection in CD *** addition,we aim to provide guidance for individualized multimodal prehabilitation in clinical practice concerning these modifiable factors.

关键词： Crohn’s disease Prehabilitation strategies Nutrition Physical fitness Medication Laboratory values

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

南苏鲁超高压榴辉岩中罕见的原生高密度盐水溶液包裹体

引用

科学通报 2003年第10期48卷 1076-1081页

作者：沈昆张泽明 A. M. van den Kerkhof 肖益林许志琴 j. Hoefs 山东省地质科学实验研究院济南250013 中国地质科学院地质研究所北京100037 Geoscience Center University Gottingen

在南苏鲁超高压变质带发现了原生高密度流体包裹体. 这种包裹体在超高压榴辉岩的石榴石中呈孤立和小群分布, 冷冻法确定包裹体的低共熔温度≤-52℃, 在重复冷冻-升温的特定阶段, 液相包裹体中出现气泡, 测得液-气均一温度≤-12.5℃, 由... 详细信息

在南苏鲁超高压变质带发现了原生高密度流体包裹体. 这种包裹体在超高压榴辉岩的石榴石中呈孤立和小群分布, 冷冻法确定包裹体的低共熔温度≤-52℃, 在重复冷冻-升温的特定阶段, 液相包裹体中出现气泡, 测得液-气均一温度≤-12.5℃, 由此得到流体成分属CaCl2-NaCl-H2O体系, 流体密度为1.27 g/cm3, 在相当于榴辉岩相峰期温度下的压力约为2.4 GPa, 接近超高压变质条件. 这类包裹体在榴辉岩的折返过程中与寄主矿物发生反应, 形成含水硅酸盐矿物, 并使其密度降低, 转变成气液多相包裹体.

关键词：超高压榴辉岩流体包裹体显微测温等容线共熔温度折返过程高压变质条件

来源：

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

Model-Based Control and Optimization of Large Scale Physical Systems-Challenges in Reservoir Engineering

Model-Based Control and Optimization of Large Scale Physical...

引用

2009中国控制与决策会议

作者： Paul M.j.van den Hof jan-Dirk jansen cijs van Essen Okko H.Bosgra Delft Center for Systems and Control Delft University of TechnologyMekelweg 22628 CD DelftThe Netherlands Department of Geotechnology Delft University of TechnologyThe Netherlands Shell International Exploration and Production RijswijkThe Netherlands

＜正＞Due to urgent needs to increase efficiency in oil recovery from subsurface reservoirs new technology is developed that allows more detailed sensing and actuation of multiphase flow properties in oil *** of the examples is the controlled injection of water through injection wells with the purpose to displace the oil in an appropriate direction. This technology enables the application of model-based optimization and control techniques to optimize production over the entire production period of a reservoir,which can be around 25 *** scale reservoir flow models are used for optimizing production settings,but suffer from high levels of uncertainty and limited validation *** of the challenges is the development of reduced complexity models that deliver accurate long-term predictions,and at the same time are not more complex than can be warranted by the amount of data that is *** this paper an overview will be given of the problems and opportunities for model-based control and optimization in this field aiming at the development of a closed-loop reservoir management system.

关键词： Oil reservoir production optimization optimal control parameter estimation dynamic optimization identifiability nonlinear observers

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：