全部文献期刊会议图书|学者科研项目
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作者:Yang Li , Wanhua Zhao ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.90 (9-12), pp.2803-2812
摘要:Thermal error of the spindle is one of the primary contributors of the inaccuracy of the precision machine tools. In order to study the thermal characteristics of the spindle, finite element analysis has been widely used. However, the accuracy of numerical simulation is highly de...
作者:Yang Li , Ji Zhao , Shijun Ji
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.90 (9-12), pp.3673-3684
摘要:For the thermal error model of computer numerical control (CNC) machine tools based on empirical modeling method, selecting the appropriate temperature-sensitive points is very important. Owing to the existence of multi-collinearity among temperature variables, the accuracy and r...
作者:Yang Li , Xue-Ping Guo
来源:[J].Numerical Algorithms(IF 1.128), 2017, Vol.75 (1), pp.55-80
摘要:The Hermitian and skew-Hermitian splitting (HSS) method is an unconditionally convergent iterative method for solving large sparse non-Hermitian positive definite system of linear equations. In this paper, we establish a class of multi-step modified Newton-HSS (MMN-HSS) methods f...
作者:Yang Li , Jing Bi ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.91 (5-8), pp.2447-2454
摘要:This paper studies the shunting characteristics of resistance spot welding in unequal-thickness 2219 and 5A06 aluminum alloys when three spot welds are arranged in a triangular pattern. Experiments and numerical simulations were performed to analyze the shunting effect. Results s...
作者:... Bo Gao , Yang Li , Guojun Li
来源:[J].BMC Bioinformatics(IF 3.024), 2017, Vol.18 (1)
摘要:The mechanism of action of proteases has been widely studied based on substrate specificity. Prior research has been focused on the amino acids at a single amino acid site, but rarely on combinations of amino acids around the cleavage bond.
作者:Yang Li , Junyi Gai
来源:[J].BMC Genomics(IF 4.397), 2017, Vol.18 (1)
摘要:Aldehyde dehydrogenases (ALDHs) represent a group of enzymes that detoxify aldehydes by facilitating their oxidation to carboxylic acids, and have been shown to play roles in plant response to abiotic stresses. However, the comprehensive analysis of ALDH superfamily in soybean ( ...
作者:Yang Li , Su-Hui Zhu ...
来源:[J].BMC Medicine(IF 6.679), 2017, Vol.15 (1)
摘要:The optimal revascularization technique in patients with left main coronary artery disease (CAD) remains controversial. We aimed to compare the long-term performance of percutaneous coronary intervention (PCI) versus coronary artery bypass graft (CABG) surgery in treatment of lef...
作者:Yang Li , Zheng Gong ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.91 (5-8), pp.1453-1460
摘要:To reduce the thermal damage to the diamond and production cost, Cu-Sn-Ni-Cr and Cu-Sn-Cr were used to braze the diamond. SEM, EDS, and XRD were used to analyze the morphology of the diamond and the microstructure of the interface and the brazing alloy. Graphitization of the...
作者:Yang Li , Zhen Luo ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.92 (5-8), pp.1923-1931
摘要:A novel resistance element welding was employed for dissimilar joining of electro-galvanized DP780 steel to 6061-T6 aluminum alloy. Compared with traditional resistance spot welding, the change of load bearing part resulted in higher joint strength and energy absorption capacity....
作者:Yang Li , Yueqiao Feng ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.92 (5-8), pp.2207-2216
摘要:Keyhole gas tungsten arc (K-TIG) welding with water cooling system was used to weld high-strength low-alloy steel of mid-thickness (thickness ranging 6–13 mm). Q345 plates of 8-mm thickness were jointed in a single pass without filler metal. The weld properties, including me...

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