检索结果-南通市图书馆

Ionic liquid electrolytes for sodium-ion batteries to control thermal runaway

Journal of Energy Chemistry 2023年第6期81卷 321-338,I0008页

作者： keith Sirengo Aswathy Babu Barry Brennan Suresh C.Pillai Nanotechnology and Bio-Engineering Research Group Department of Environmental ScienceAtlantic Technological UniversityATU SligoAsh LaneSligo F91 YW50Ireland Health and Biomedical(HEAL)Strategic Research Centre Atlantic Technological UniversityATU SligoAsh LaneSligo F91 YW50Ireland

Sodium-ion batteries are expected to be more affordable for stationary applications than lithium-ion batteries,while still offering sufficient energy density and operational capacity to power a significant segment of the battery *** this,thermal runaway explosions associated with organic electrolytes have led to concerns regarding the safety of sodium-ion *** electrolytes,ionic liquids are promising because they have negligible vapor pressure and show high thermal and electrochemical *** review discusses the safety contributions of these electrolyte properties for high-temperature *** ionic liquids provide thermal stability while at the same time promoting high-voltage window battery ***,apart from cycle stability,there is an additional safety feature attributed to modified ultra-concentrated ionic liquid *** these contributions,the following have been discussed,heat sources and thermal runaway mechanisms,thermal stability,the electrochemical decomposition mechanism of stable cations,and the ionic transport mechanism of ultra-concentrated ionic liquid *** addition,the contributions of hybrid electrolyte systems consisting of ionic liquids with either organic carbonate or polymers are also *** thermal stability of ionic liquids is found to be the main contributor to cell safety and cycle *** high-temperature applications where electrolyte safety,capacity,and cycle stability are important,highly concentrated ionic liquid electrolyte systems are potential solutions for sodium-ion battery applications.

关键词： Thermal stability Ionic liquids Sodium-ion batteries Cycle stability Ionic conductivity

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

A Two-Level Hierarchical Graph Model for Conflict Resolution with Application to International Climate Change Negotiations

引用

Journal of Systems Science and Systems Engineering 2020年第3期29卷 251-272页

作者： Shawei He keith W.Hipel Haiyan Xu Ye Chen College of Economics and Management Nanjing University of Aeronautics and AstronauticsNanjingChina 211106 College of Civil Aviation Nanjing University of Aeronautics and AstronauticsNanjingChina 211106 Department of Systemns Design Engineering University of WaterlooWaterlooOntarioCanada N2L 3G1 Centre for International Governance Innovation WaterlooOntarioCanada N2L 6C2 Balsillie School of International Affairs WaterlooOntarioCanada N2L 6C2

A novel two-level hierarchical graph model is developed to analyze international climate change negotiations with hierarchical structures:the negotiations take place between two nations and between each nation and its provincial *** two national government are two decision makers at the top *** each nation,the two provincial governments negotiate with the national government at the lower *** theoretical structure of this novel model,including decision makers,options,moves,and preference relations,are *** interrelationship between the stabilities in the two-level hierarchical graph model and the stabilities in local models are investigated by *** theorems can be utilized to calculate complete stabilities in the two-level hierarchical graph model when the stabilities in local graph models are *** international climate change negotiations as the illustrative example is then investigated in *** extra equilibrium,uniquely obtained by this novel methodology,suggests that opposition may still be from one provincial government when the national government does not sign the international climate agreement and implements existing environmental *** with other approaches,this novel methodology is an effective and flexible tool in analyzing hierarchical conflicts at two levels by providing decision makers with strategic resolutions with broader vision.

关键词： Conflict resolution hierarchical graph model climate change negotiations relative preference

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

Measuring tree stem diameters and straightness with depth-image computer vision

引用

林业研究:英文版 2023年第5期34卷 1395-1405页

作者： Hoang Tran keith Woeste Bowen Li Akshat Verma Guofan Shao Department of Computer Science Purdue University305 N University StWest LafayetteIN 47907USA Hardwood Tree Improvement and Regeneration Center USDA Forest ServiceNorthern Research Station715 West State StreetWest LafayetteIN 47907USA Department of Forestry and Natural Resources Purdue University715 West State StreetWest LafayetteIN 47907USA School of Electrical and Computer Engineering Purdue University610 Purdue MallWest LafayetteIN 47907USA

Current techniques of forest inventory rely on manual measurements and are slow and labor *** developments in computer vision and depth sensing can produce accurate measurement data at significantly reduced time and labor *** developed the ForSense system to measure the diameters of trees at various points along the stem as well as stem *** use,mean absolute error(MAE),and root mean squared error(RMSE)metrics were used to compare the system against manual methods,and to compare the system against itself(reproducibility).Depth-derived diameter measurements of the stems at the heights of 0.3,1.4,and 2.7 m achieved RMSE of 1.7,1.5,and 2.7 cm,*** ForSense system produced straightness measurement data that was highly correlated with straightness ratings by trained *** ForSense system was also consistent,achieving sub-centimeter diameter difference with subsequent measures and less than 4%difference in straightness value between *** method of forest inventory,which is based on depth-image computer vision,is time efficient compared to manual methods and less computationally and technologically intensive compared to Structure-from-Motion(SFM)photogrammetry and ground-based LiDAR or terrestrial laser scanning(TLS).

关键词： Forest inventory Depth sensing Computer vision Tree diameter Stem straightness Trunk volume

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

Inflammation in Mental Disorders:Is the Microbiota the Missing Link?

引用

Neuroscience Bulletin 2020年第9期36卷 1071-1084页

作者： Sophie Ouabbou Ying He keith Butler Ming Tsuang Department of Psychiatry and National Clinical Research Center for Mental Disordersand Hunan Key Laboratory of Psychiatry and Mental HealthThe Second Xiangya Hospital of Central South UniversityChangshaHunan 410011China Human Microbiome Research Program Faculty of MedicineUniversity of Helsinki00290 HelsinkiFinland Cellular and Molecular Biology Research Centre University of Costa RicaSan Jose´11501Costa Rica Center for Behavioral Genomics Department of PsychiatryInstitute for Genomic MedicineUniversity of California San DiegoLa JollaCA 92093USA Harvard Institute of Psychiatric Epidemiology and Genetics Harvard School of Public HealthBostonMA 02115USA

Research suggests that inflammation is important in the pathophysiology of mental *** addition,a growing body of evidence has led to the concept of the microbiota-gut-brain *** understand the potential interactions,we begin by exploring the liaison between the immune system and mental disorders,then we describe the evidence that the microbiota impact the immune response in the developing ***,we review the literature that has documented microbiome alterations in major mental *** end with a summary of therapeutic applications,ranging from psycho-biotics to immunomodulatory drugs that could affect the microbiotagut-brain axis,and potential treatments to alleviate the adverse effects of antipsycho *** conclude that there is promising evidence to support the position that the microbiota plays an important role in the immunological pathophysiology of mental disorders with an emphasis on psychotic disorders and mood ***,more research is needed to elucidate the mechanisms.

关键词： Mental disorder Microbiota Immunology Neurodevelopment

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

A combination of density-based clustering method and DEM to numerically investigate the breakage of bonded pharmaceutical granules in the ball milling process

引用

Particuology 2021年第5期19卷 153-168页

作者： Alexander Krok Peter Peciar Kieran Coffey keith Bryan Sandra Lenihan Department of Process Energy and Transport EngineeringMunster Technological UniversityBishopstownCork T12 P928Ireland Department of Mechanical Biomedical and Manufacturing EngineeringMunster Technological UniversityBishopstownCork T12 P928Ireland Pfizer Newbridge LittleconnellNewbridgeCo.Kildare W12 HX57Ireland Institute of Process Engineering Faculty of Mechanical EngineeringSlovak University of TechnologyNam.Slobody 1781231 BratislavaSlovakia

Ball milling is widely used in industry to mill particulate *** primary purpose of this process is to attain an appropriate product size with the least possible energy *** process is also extensively utilised in pharmaceuticals for the comminution of the excipients or ***,for ball mill,little is known concerning the mechanism of size *** prediction approaches are not deemed useful to provide significant insights into the operation or facilitate radical step changes in ***,the discrete element method(DEM)as a computational modelling approach has been used in this *** previous research,DEM has been applied to simulate breaking behaviour through the impact energy of all ball collisions as the driving force for ***,the nature of pharmaceutical material fragmentation during ball milling is more *** functional equations which link broken media and applied energy do not consider the collision of particulate media of different shapes or collisions of particulate media(such as granules)with balls and rotating mill *** could have a significant impact on ***,this paper aimed to investigate the fragmentation of bounded particles into DEM granules of different shape/size during the ball milling process.A systematic study was undertaken to explore the effect of milling speed on breakage ***,in this study,a combination of a density-based clustering method and discrete element method was employed to numerically investigate the number and size of the fragments generated during the ball milling process over *** was discovered that the collisions of the ball increased proportionally with rotation speed until reaching the critical rotation ***,results illustrate that with an increase of rotation speed,the mill power increased *** caratacting motion of mill material together with balls was identified as the most

关键词： Ball milling Granular pharmaceutical lactose Density-based clustering Discrete element method Breakage Mill rotation speed ABAQUS

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

Variation of Radio Refractivity with Respect to Moisture and Temperature and Influence on Radar Ray Path

引用

Advances in Atmospheric Sciences 2008年第6期25卷 1098-1106页

作者： Jidong GAO keith BREWSTER Ming XUE Center for Analysis and Prediction of Storms School of Meteorology University of Oklahoma Norman Oklahoma 73072 USA

In this study, the variation of radio refractivity with respect to temperature and moisture is analyzed. Also, the effects of vertical gradients in temperature and moisture on the propagation paths of electromagnetic waves of weather radar are examined for several sites across the United States using several years of sounding data from the National Weather Service. The ray path is important for identifying storm characteristics and for properly using the radar data in initializing numerical weather prediction models. It is found that during the warm season the radio refractivity gradient is more sensitive to moisture gradients than to temperature gradients. Ray paths from the commonly accepted vertical ray path model are compared to a ray path computed from a stepwise ray tracing algorithm using data from actual soundings. For the sample of about 16 000 soundings examined, we find that only a small fraction of the ray paths diverge significantly from those calculated using a ray path model based on the US Standard Atmosphere. While the problem of ray dueting in the presence of a temperature inversion is fairly well known, we identify the presence of a strong vertical moisture gradient as the culprit in the majority of the cases where significant deviations occurred.

关键词： radio refractivity radar ray path

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

SIMAP500: A novel risk score to identify recipients at higher risk of hepatocellular carcinoma recurrence following liver transplantation

引用

World Journal of Transplantation 2024年第3期14卷 132-143页

作者： Amr Alnagar Nekisa Zakeri Konstantinos Koilias Rosemary E Faulkes Rachel Brown Owen Cain M Thamara P R Perera keith J Roberts Rebeca Sanabria-Mateos David C Bartlett Yuk Ting Ma Shivan Sivakumar Shishir Shetty Tahir Shah Bobby V M Dasari Department of HBP and Liver Transplantation Surgery Queen Elizabeth HospitalUniversity Hospitals BirminghamBirmingham B152GWUnited Kingdom Centre for Liver Research Institute of Biomedical ResearchBirmingham B152TTUnited Kingdom Department of Hepatology Queen Elizabeth HospitalUniversity Hospitals BirminghamBirmingham B152GWUnited Kingdom Department of Pathology University Hospitals Birmingham NHS Foundation TrustBirmingham B152GWUnited Kingdom Department of Oncology Queen Elizabeth HospitalUniversity Hospitals of BirminghamBirmingham B152GWUnited Kingdom

BACKGROUND Recurrence of hepatocellular carcinoma(HCC)following liver transplantation(LT)has a devastating influence on recipients’survival;however,the risk of recur-rence is not routinely *** stratification is vital with a long LT waiting time,as that could influence the recurrence despite strict listing *** This study aims to identify predictors of recurrence and develop a novel risk pre-diction score to forecast HCC recurrence following *** A retrospective review of LT for HCC recipients at University Hospitals Bir-mingham between July 2011 and February *** and multivariate analyses were performed to identify recurrence predictors,based on which the novel SIMAP500(satellite nodules,increase in size,microvascular invasion,AFP>500,poor differentiation)risk score was *** 234 LTs for HCC were performed with a median follow-up of 5.3 *** developed in 25 patients(10.7%).On univariate analyses,RETREAT score>3,α-fetoprotein(AFP)at listing 100-500 and>500,bridging,increased tumour size between imaging at the listing time and explant histology,increase in the size of viable tumour between listing and explant,presence of satellite nodules,micro-and macrovascular invasion on explant and poor differentiation of tumours were significantly associated with recurrence,based on which,the SIMAP500 risk score is *** SIMAP500 demonstrated an excellent predictive ability(c-index=0.803)and outper-formed the RETREAT score(c-index=0.73).SIMAP500 is indicative of the time to disease *** SIMAP500 risk score identifies the LT recipients at risk of HCC *** stratification allows patient-centric post-transplant surveillance *** validation of the score is recommended.

关键词： Liver transplantation Hepatocellular carcinoma Recurrence Survival

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

Supercritical CO_2-based solvents in next generation microelectronics processing

引用

Chinese Science Bulletin 2007年第1期52卷 27-33页

作者： ZHANG XiaoGang keith P. JOHNSTON Department of Chemistry Renmin University of China Beijing 100872 China Department of Chemical Engineering Center for Nano and Molecular Science and Technology University of Texas at Austin Austin TX 78712 USA

Large amount of chemicals and highly purified-water are needed in microelectronic manufacture. The ability of solutions to penetrate tiny spaces will become significantly more challenging as the feature size of semiconductor devices decreases to nanoscale dimensions and the functional complexity of integrated circuitries (ICs) ever increases. Supercritical fluids (SCFs) possess a unique combination of properties (no surface tension and gas-like viscosity) that can potentially be exploited for application in microelectronics manufacturing and processing in response to needs for material-compatible cleaning systems, small-dimension developing solvents, and low chemical-use processes. Recent microelec- tronics processes for cleaning and rinsing of patterned porous low-k dielectrics and drying of photo- resist in CO2-based solvents are the main focus of this review. Additional topics in supercritical fluid processing include spin coating of photoresists, development with nanoscale dimensions, metal deposition and silylation.

关键词：微电子学二氧化碳溶解性深冷分离

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

Biological conversion of low-grade coal discard to a humic substance-enriched soil-like material

引用

International Journal of Coal Science & Technology 2017年第2期4卷 183-190页

作者： Lerato Mary Sekhohola Ashton keith Cowan Institute for Environmental Biotechnology RhodesUniversity (EBRU) P.O. Box 94 Graharnstown 6140 SouthAfrica

A mutualistic relationship between grasses, coal-degrading fungi, and arbuscular mycorrhizal fungi was pro- posed to account for the phyto-biodegradation of coal discard. In this study pot trial experiments were carried out to confirm transformation of the carbonaceous substrate, in the presence of a suite of coal degrading fungi and arbuscular mycorrhizal fungi, into a humic-enriched soil-like material in the Cynodon dactylon/coal rhizosphere. The results show that after 47 weeks of C. dactylon growth on coal discard the concentration of humics increased from （62.9 -4- 1.5） to （112.1 ＋ 5.4） mg/kg. Substrate humic acid-like substance concentration positively correlated （r2 = 0.95） with accumu- lation of above ground C. dactylon biomass. FTIR spectroscopy of the extracted humic-like substances confirmed both product identity and increased oxidation of the coal discard substrate. Substrate ash content and electrical conductivity declined coincident with an increase in humic acid-like substance concentration, which together reduced the intensity of acidity in the C. dactylon/coal discard rhizosphere. These observations support the proposal that biological oxidative degradation of coal discard leads to increased humic-like substance concentration and formation of a soil-like material. Results have profound implications for use of coal discard as an organic substrate to replace topsoil in phyto-bioreme- diation strategies for sustainable large-scale rehabilitation of coal discard dumps.

关键词： Biodegradation Cynodon dactylon Humic acid-like substances Neosartorya fischeri Coal discard

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

Archaeolithoporella and Tubiphytes : Affinties and Paleoecology in Permian Reefs of South China

引用

Science China Chemistry 1994年第6期37卷 723-743页

作者：王生海范嘉松 J.keith Rigby Institute of Geology Academia Sinica Beijing 100029 PRO Department of Geology Brigham Young University Provo 84602 Utah USA

Archaeolithoporella is one of the most important Permian reef-building organisms, but itsaffinity has long been controversial. It was first reported in Japan and was considered as a coralline red alga. Since then it has been recognized in Permian reefs in other parts of the world. Many researchers have studied the materials they had found and the Japanese holotype specimen. Most have concluded that it is a problematic alga. or just a problematica because of weak criteria for definition. Some have even considered it inorganic. However, relict cellular structures and microtubular laminae found in well-preserved specimens from Permian reefs in South China strongly support a coralline red algal affinity for the *** situ preserved Archaeolithoporella is restricted within the typical framework facies and it occurs most abundantly in syndepositionally cemented framestones. This suggests that Archaeolithoporella required a firm substrate and clear but agitated sea water. Archaeolithoporella is often found in cavities , implying that it was accustomed to cryptic biotopes. Archaeolithoporella is a most important encrusting organism helping other frame-building organisms to form rigid wave-resistant *** is another component of Permian reefs of South China and its affinity has also been enigmatic. This genus was established in 1956, based on material from Russia, and was originally placed in the blue-green algae. Several affinities have been subsequently proposed for it, but most researchers consider it as a problematic alga or a problematica. However, the structure of this organism, especially the various types of central tubes and well-organized bodies, opposes the algal affinity.A comparison of Tubiphytes with some modern sponges suggests that Tubiphytes belongs to the class Demospongiae in the phylum of Porifera. It is an animal rather than a plant. It is obvious that more than one genus is described under the term 'Tubiphytes. 'Tubiphytes is quite ab

关键词： Archaeolithoporella and Tubiphytes South China.

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

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：