填料 发表于 2025-3-26 23:48:06
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D. OsterholzB2 with 30wt%ZrO. was 8.2MPam.. TiB. with ZrO. and TiB. with (2mol%Y.O.-ZrO.) lacked sinterability. The addition of 2.5wt%SiC was very effective in improving the sinterability of TiB2 with (2mol%Y.0.-ZrO.). The mechanism of sinterability improvement was thought to be liquid phase sintering.jaundiced 发表于 2025-3-27 13:29:53
M. Kneser for aluminum nitride is discussed. Aluminum nitride ceramics of large grain size with clean grain boundary phases without loosing impurity oxygen solute atoms (~2wt%) were obtained. On the other hand, oxygen contents of normal sintered A1N decreased from 2.8 to 0.9 wt% by increasing sintering tempe逃避现实 发表于 2025-3-27 15:39:25
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P. Draxln strategies to raise awareness on risks and by taking measures to prevent disruptions in the financial system when credit risk materialise. The latter policy objective can be met by using capital measures, improving lending standards and limiting bank exposures to geographical areas or specific bor提名 发表于 2025-3-28 01:38:58
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Peter Draxles and income levels. By applying the principles of “good density”—mixed, use, well-connected environments with high-quality placemaking—integrated urban environments can be created that cater to a range of income and population groups and contribute to the vibrancy and authenticity of a city.Incise 发表于 2025-3-28 08:44:15
U. Rehmannn strategies to raise awareness on risks and by taking measures to prevent disruptions in the financial system when credit risk materialise. The latter policy objective can be met by using capital measures, improving lending standards and limiting bank exposures to geographical areas or specific bor蚊子 发表于 2025-3-28 13:26:01
r strong magnetic fields or velocities below the fast magnetosonic speed, in accordance with the opinion that these jets are subrelativistic /1/. In addition, if one assumes high Poynting fluxes in VLBI jets /2/, the observed knots are unlikely to be shocks. In our calculations we have neglected the