نتایج جستجو برای: tig welding

تعداد نتایج: 15827  

2016
Zhijie Xu Yuanliang Yan Zhi Li Long Qian Zhicheng Gong

Tigecycline (TIG), the first member of glycylcycline bacteriostatic agents, has been approved to treat complicated infections in the clinic because of its expanded-spectrum antibiotic potential. Recently, an increasing number of studies have emphasized the anti-tumor effects of TIG. The inhibitory effects of TIG on cancer depend on several activating signaling pathways and abnormal mitochondria...

1993
Ronald L. Rardin Craig A. Tovey Martha G. Pilcher

Test Instance Generators (TIG’s) are important to evaluate heuristic procedures for NP -hard problems. We analyze a TIG in use for the TSP. This TIG, due to Pilcher and Rardin, is based on a random cut method. We show that it generates a class of instances of intermediate complexity: not as hard as the entire TSP class unless NP = co(NP ); not as easy as P unless NP = P . Since the upper bound ...

2018
David Florián-Algarín Raúl Marrero Xiaochun Li Hongseok Choi Oscar Marcelo Suárez

This study sought to characterize aluminum nanocomposite wires that were fabricated through a cold-rolling process, having potential applications in TIG (tungsten inert gas) welding of aluminum. A206 (Al-4.5Cu-0.25Mg) master nanocomposites with 5 wt % γAl₂O₃ nanoparticles were first manufactured through a hybrid process combining semi-solid mixing and ultrasonic processing. A206/1 wt % γAl₂O₃ n...

Journal: :Shanghai Ligong Daxue xuebao 2021

Automobile bodies made by mix of steel and aluminum composites are getting famous in present days to decrease weight. Present work means exhibit the strength Aluminum welded joint. Primary measures centered this forecast, streamlining welding measure boundaries investigation intermetallics. Base materials utilized AA6061 alloys SS304 hardened alloy. BCuP-4 copper filler bar is for TIG welding/b...

Journal: :Turkish journal of medical sciences 2017
Fatih Tekin Mehmet Sürmeli Zeynep Çizmeci Özlem Tekin Ergin Işik Ömer Faruk Taner Derun Taner Ertuğrul

BACKGROUND/AIM The aim of this study was to reveal the tetanus immunization status of diabetic patients and to determine whether diabetic patients with foot ulcers have different TIG levels. MATERIALS AND METHODS A cross-sectional study was designed that included diabetic patients with foot ulcers (n = 30) and diabetic patients without ulcers (n = 30). The groups were compared for serum TIG l...

Journal: :The International Journal of Advanced Manufacturing Technology 2021

This study investigates a parametric multi-objective optimization of the Tungsten Inert Gas-Metal Gas (TIG-MIG) hybrid welding AISI 1008 mild steel joints. A combined grey relational system theory and Taguchi method was used for process towards achieving set parameter that maximizes both ultimate tensile strength 0.2% yield structural applications. An L-9 orthogonal array based on adopted exper...

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