نتایج جستجو برای: نانوکامپوزیت tib ti
تعداد نتایج: 38825 فیلتر نتایج به سال:
BACKGROUND Lung cancer tissues are often infiltrated by B lymphocytes, but it is not clear whether these infiltrations represent tumor-specific immune response or a nonspecific reaction. MATERIALS AND METHODS The serological analysis of recombinant cDNA expression libraries (SEREX) were previously modified using a severe combined immunodeficient (SCID) mice model engrafted with fresh human lu...
Automotive and aerospace industries are required to light materials which have high properties. This causes to reduce production cost and fuel consumption. One of these advanced materials that have been attracted at these decades is particulate metal matrix nanocomposites. These materials have a combination of ductile matrix alloy properties and ceramic reinforcement nanoparticles. Powder metal...
The purpose of this study was to investigate the effect of high-cuff hiking boots on gait kinematics and lower extremity muscle activities compared with standard trekking shoes. 16 participants walked on a treadmill at 0°and 12° inclination uphill with both, a high-cuff hiking boot and a standard trekking shoe. Kinematics was collected with a 12 camera IR system. The activities of the mm. tib. ...
In this study, a kind of Al-TiB₂/TiC in situ composite was successfully prepared using the melt reaction method and the accumulative roll-bonding (ARB) technique. The microstructure evolution of the composites with different deformation treatments was characterized using field emission scanning electron microscopy (FESEM) and a transmission electron microscope (TEM). The mechanical properties o...
The computerization of SaO2 recording during polysomnographic monitoring allows the construction of a diagram expressing the percentage of TIB spent at different steps in saturation. We studied the value of this diagram in three groups of male patients: (1) nine healthy subjects (all volunteers); (2) 25 patients with COPD who had a mean daily SaO2 of 92.3 +/- 1.3 percent; and (3) 25 patients wi...
Simple, secondary 2,4,6-triisopropyl benzoates (TIB esters) and secondary dialkyl N,N-diisopropyl carbamates have been reported to be resistant to deprotonation by strong bases. We have found that the combination of sBuLi (1.6 equiv) and TMEDA (6 equiv) in CPME at -60 °C enables deprotonation of unactivated secondary dialkyl TIB esters, but not the carbamates. These carbanions were reacted with...
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