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sintering
Steam produced during the decomposition process accelerated the sintering of MgO, and MgO with surface area as high as 412 m2 · g-1 was obtained through calcining its precursor in flowing dry nitrogen at 520°C for 4 h.
      
The fabrication procedure involved a double-sintering process in a rich-Mg environment.
      
Samples with the equally high density and matching superconducting properties were obtained as well by a triple sintering process of the MgB2 powder directly from Alfa Aesar.
      
The specific surface areas are different before sintering, and have a slight difference after sintering.
      
Besides, the impurity phase, tetracalcium phosphate, appeared during ultrasonic atomizing procedure, and can be completely removed after sintering at 650°C for 1 h.
      
Optical microscopy (OM), X-ray diffractometry (XRD), and scanning electron microscopy (SEM) were used to analyze the microstructure of cold-pressed composites after sintering at 1,100°C.
      
Dense nanocrystalline BaTiO3 (BT) ceramics with 50 nm average grain size obtained by spark plasma sintering were investigated.
      
Nanocrystalline hydroxyapatite ceramics produced by low-temperature sintering after high-pressure treatment
      
Effect of Bound Water on the Fractal Geometry of Nanosized Cracks in Glasses Prepared by Vacuum Pressure-Assisted Sintering
      
The vibrational properties of fractal nanocracks in vitreous SiO2samples prepared by vacuum pressure-assisted sintering are investigated by low-frequency Raman scattering spectroscopy.
      
Surface Sintering of Porous Glass Plates under Laser Radiation
      
It is established that the irradiation time is the most appropriate controlled parameter in the process of sintering.
      
A Study of the Possibility of Transforming Monolithic Silica Gel into Silica Glass upon Low-Temperature Sintering
      
The sintering and evaporation of porous glasses under exposure to CO2 laser radiation are investigated.
      
The threshold radiation power densities necessary for sintering porous glasses of different compositions are obtained.
      
It is demonstrated that the degree of sintering and the dielectric properties can be controlled by introducing additives and changing the method of preparing the initial mixture.
      
Ceramic materials with a fine structure are synthesized from zirconia-based nanopowders through magnetic pulsed compaction and subsequent sintering under different temperature-time conditions.
      
Nanocrystalline ceramics were elaborated from SiC or TiC powders by very high pressure (8 GPa) sintering without any sintering additives.
      
Different Sintering Routes for Preparing Alumina-Yttrium Aluminum Garnet Nanocomposites
      
The best-performing sample was that precalcined at 900°C; however, dense bodies were just yielded by sintering at 1600°C, resulting in a micronic/slightly submicronic microstructure.
      
 

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