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Wide gap active brazing of ceramic-to-metal-joints for high temperature applications
K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar
《机械工程前沿(英文)》 2014年 第9卷 第1期 页码 71-74 doi: 10.1007/s11465-014-0291-0
Applications like solid oxide fuel cells and sensors increasingly demand the possibility to braze ceramics to metals with a good resistance to high temperatures and oxidative atmospheres. Commonly used silver based active filler metals cannot fulfill these requirements, if application temperatures higher than 600°C occur. Au and Pd based active fillers are too expensive for many fields of use. As one possible solution nickel based active fillers were developed. Due to the high brazing temperatures and the low ductility of nickel based filler metals, the modification of standard nickel based filler metals were necessary to meet the requirements of above mentioned applications. To reduce thermally induced stresses wide brazing gaps and the addition of Al2O3 and WC particles to the filler metal were applied. In this study, the microstructure of the brazed joints and the thermo-chemical reactions between filler metal, active elements and WC particles were analyzed to understand the mechanism of the so called wide gap active brazing process. With regard to the behavior in typical application oxidation and thermal cycle tests were conducted as well as tensile tests.
关键词: wide gap active brazing nickel filler metals high temperature application WC Al2O3
SUN Mingliang, WANG Li, XIA Yangjun, DU Bin, LIU Ransheng, CAO Yong
《化学科学与工程前沿(英文)》 2008年 第2卷 第3期 页码 257-264 doi: 10.1007/s11705-008-0052-x
Air bearing center cross gap of neutron stress spectrometer sample table support system
Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG
《机械工程前沿(英文)》 2016年 第11卷 第4期 页码 403-411 doi: 10.1007/s11465-016-0405-y
A support system is the main load-bearing component of sample table for neutron stress spectrometer, and air bearing is an important element of a support system. The neutron stress spectrometer sample table was introduced, and the scheme for air bearing combination was selected. To study the performance of air bearing center cross gap, finite element models (FEMs) were established based on air motion and Reynolds equations, effects of air supply pressure, and gap parameters on the overturning moment and bearing capacity of air bearing center cross gap were analyzed. Results indicate that the width, depth, and height differences of the marble floor gap played important roles in the performance of the air bearing. When gap width is lesser than 1 mm and gap depth is lower than 0.4 mm, bearing capacity and overturning moment would vary rapidly with the variation of the width and depth. A gap height difference results in the bearing capacity dropping rapidly. The FEM results agree well with experimental results. Further, findings of the study could guide the design of the support system and marble floor.
关键词: neutron stress spectrometer sample table support system air bearing center cross gap simulation experiment
Bridging the gap: Neuro-Symbolic Computing for advanced AI applications in construction
《工程管理前沿(英文)》 页码 727-735 doi: 10.1007/s42524-023-0266-0
关键词: advanced AI in construction safety and quality inspection Neuro-Symbolic Computing Deep Learning computer vision
Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sources
《环境科学与工程前沿(英文)》 2022年 第16卷 第3期 doi: 10.1007/s11783-021-1464-9
• Eleven OPEs were detected in river sediment and lake sediment in Taihu Lake.
关键词: Organophosphate esters Partition Vertical distribution Composition profile Positive matrix factorization
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第2期 页码 102-112 doi: 10.15302/J-FASE-2016100
关键词: plant–pathogen interactions systems biology omics plant immunity protein–protein interaction network
Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane
Nathan P. BELZ
《结构与土木工程前沿(英文)》 2017年 第11卷 第1期 页码 8-16 doi: 10.1007/s11709-016-0365-7
关键词: roundabouts exiting vehicles turn indicator use headways
null
《医学前沿(英文)》 2015年 第9卷 第2期 页码 146-161 doi: 10.1007/s11684-014-0373-8
Obesity prevalence has increased in recent years. Lifestyle change fuels obesity, but genetic factors cause more than 50% of average variations in obesity. The advent of genome-wide association studies (GWAS) has hastened the progress of polygenic obesity research. As of this writing, more than 73 obesity susceptibility loci have been identified in ethnic groups through GWAS. The identified loci explain only 2% to 4% of obesity heritability, thereby indicating that a large proportion of loci remain undiscovered. Thus, the next step is to identify and confirm novel loci, which may exhibit smaller effects and lower allele frequencies than established loci. However, achieving these tasks has been difficult for researchers. GWAS help researchers discover the causal loci. Moreover, numerous biological studies have been performed on the polygenic effects on obesity, such as studies on fat mass- and obesity-associated gene (FTO), but the role of these polygenic effects in the mechanism of obesity remains unclear. Thus, obesity-causing variations should be identified, and insights into the biology of polygenic effects on obesity are needed.
关键词: obesity genetics genome-wide association studies body mass index fat mass- and obesity-associated gene
Hongxia MIAO,Peiguang SUN,Yulu MIAO,Juhua LIU,Jianbin ZHANG,Caihong JIA,Jingyi WANG,Zhuo WANG,Zhiqiang JIN,Biyu XU
《农业科学与工程前沿(英文)》 2016年 第3卷 第4期 页码 346-356 doi: 10.15302/J-FASE-2016127
关键词: β-amylase banana genome-wide identification fruit development abiotic stress
Genome-wide association studies: inherent limitations and future challenges
null
《医学前沿(英文)》 2012年 第6卷 第4期 页码 444-450 doi: 10.1007/s11684-012-0225-3
Genome-wide association studies (GWAS) have achieved great success in identifying genetic variants related to complex human diseases such as cancer and have provided valuable insights into their genetic architecture. Recently, GWAS is quite the fashion in China. However, there are issues related to its nature. Enormous work needs to be done in the post-GWAS era. Deep sequencing followed by functional studies will be needed to elucidate the underpinning biological mechanisms and further translate GWAS findings into medical practice. Along with pharmacogenomics, the success of GWAS in identifying genetic risk factors and genetic differences in drug response has been gradually enabling personalized medicine. In this article, we used hepatocellular carcinoma (HCC) as an example to demonstrate some of the inherent limitations and summarized future challenges of GWAS.
关键词: genome-wide association studies (GWAS) genetic variant cancer limitation challenge
《化学科学与工程前沿(英文)》 2023年 第17卷 第10期 页码 1516-1532 doi: 10.1007/s11705-022-2283-7
关键词: planning scheduling refinery-petrochemical convolutional neural network heuristic algorithm
Huailei CHENG; Liping LIU; Lijun SUN
《结构与土木工程前沿(英文)》 2022年 第16卷 第3期 页码 267-280 doi: 10.1007/s11709-022-0811-7
关键词: asphalt mixture layer stiffness modulus loading mode UC/4PB/IDT FWD frequency
Genome-wide association study of the backfat thickness trait in two pig populations
Dandan ZHU,Xiaolei LIU,Rothschild MAX,Zhiwu ZHANG,Shuhong ZHAO,Bin FAN
《农业科学与工程前沿(英文)》 2014年 第1卷 第2期 页码 91-95 doi: 10.15302/J-FASE-2014005
关键词: backfat thickness SNP chip genome-wide association study compressed mixed linear model pig
An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis
M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI
《结构与土木工程前沿(英文)》 2015年 第9卷 第4期 页码 341-358 doi: 10.1007/s11709-015-0302-1
关键词: cracked Reissner-Mindlin shell free vibration analysis cell-based smoothed discrete shear gap method (CS-FEM-DSG3) extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) smoothed finite element methods (SFEM)
Mujahid TABASSUM,Manas K. HALDAR,Duaa Fatima S. KHAN
《能源前沿(英文)》 2020年 第14卷 第1期 页码 192-211 doi: 10.1007/s11708-016-0438-2
关键词:
renewable energy
multiprotocol label switching (MPLS)
power grid
phasor measurement unit (PMU)
supervisory control and data acquisition systems (SCADA)
wide area monitoring system (WAMS)
worldwide interoperability for microwave access (WiMAX)
synchronous digital hierarchy
标题 作者 时间 类型 操作
Wide gap active brazing of ceramic-to-metal-joints for high temperature applications
K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar
期刊论文
Fluorene-based narrow-band-gap copolymers for red light-emitting diodes and bulk heterojunction photovoltaic
SUN Mingliang, WANG Li, XIA Yangjun, DU Bin, LIU Ransheng, CAO Yong
期刊论文
Air bearing center cross gap of neutron stress spectrometer sample table support system
Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG
期刊论文
Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sources
期刊论文
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
期刊论文
Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane
Nathan P. BELZ
期刊论文
Advancement in genetic variants conferring obesity susceptibility from genome-wide association studies
null
期刊论文
Genome-wide identification and expression analysis of the β-amylase genes strongly associated with fruit
Hongxia MIAO,Peiguang SUN,Yulu MIAO,Juhua LIU,Jianbin ZHANG,Caihong JIA,Jingyi WANG,Zhuo WANG,Zhiqiang JIN,Biyu XU
期刊论文
Enterprise-wide optimization of integrated planning and scheduling for refinery-petrochemical complex
期刊论文
Bridging the gap between laboratory and field moduli of asphalt layer for pavement design and assessment
Huailei CHENG; Liping LIU; Lijun SUN
期刊论文
Genome-wide association study of the backfat thickness trait in two pig populations
Dandan ZHU,Xiaolei LIU,Rothschild MAX,Zhiwu ZHANG,Shuhong ZHAO,Bin FAN
期刊论文
An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis
M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI
期刊论文