常見例句雙語例句The invention discloses an etching stopping layer comprising a nitrogenous silicon carbide layer formed on a substrate and a silicon nitride layer formed on the silicon carbide layer.本發(fā)明公開了一種刻蝕停止層，包括在襯底上形成的含氮的碳化硅 層，以及位于所述碳化硅層之上的氮化硅層。ip.comThe influences of the fiber substrate pretreatment process and matrix densification methods on the properties of carbon fibers reinforced silicon carbide composites have been investigated.研究了炭纖維編織增強(qiáng)體的預(yù)處理工藝和基體致密化工藝對(duì)炭纖維增強(qiáng)碳化硅基復(fù)合材料性能的影響。 返回 silicon carbide substrate