Effect of annealing on electron field emission properties of the a-D films was also studied.
研究了等温退火对非晶金刚石薄膜电子场发射性能的影响。
With 312-d optimized saturation design, field experiment was conducted to study yield effect of water and fertilizer coupling on spring maize.
采用312 - D最优饱和设计，开展了春玉米水肥耦合作用田间试验研究。
The other is simplified crack model, which is used to describe the traverse crack, estimate approximately the free face farther field effect and match with the 1-D fixed shape wave.
其二描述直管的横向裂缝，建立了估算裂缝自由面远场效应、并与一维定型波模型匹配的简化裂缝模型。
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