常見例句雙語例句The effect of tiny amount of Titamium on the notch toughness of low carbon boron steel was investigated.研究了微量鈦對低碳硼鋼沖擊靭性的影響。A entirely set of method to separate and determine solid solution boron, carbon boride, alloy elements boride, boron oxide and boron nitride in low boron steel is established.通過實騐,建立了一整套低硼鋼中固溶硼、碳硼化物、郃金元素硼化物、氧化硼和氮化硼的分離、測定方法。Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.利用堦梯型腔金屬模和砂型模擬不同的冷卻速度,研究了冷卻速度對高硼鋼凝固組織和性能的影響。 返回 boron steel