常見例句The mathematic model of one dimensional multi stage carburation is obtained and it can describe every physical phenomenon in carburation. 該文建立了多段法滲碳的一維數(shù)學(xué)模型,用此數(shù)學(xué)模型能夠清晰地描述滲碳過程中每一時(shí)段的物理行為。The better technological process now is the step control of carbon potential during carburizing.It can be considered a multi stage carburation. 目前最佳滲碳工藝方法是在整個(gè)滲碳過程中對碳勢進(jìn)行臺階式控制,這一過程可以看成是一個(gè)多段滲碳過程。Keywords multi stage carburation;carbon content distribution;mathematic model; 多段法滲碳;碳濃度分布;數(shù)學(xué)模型;Keywords high alloy carburation steel;high temperature tempering;cooling treatment; 關(guān)鍵詞高合金滲碳鋼;高溫回火;冷處理;Keywords vanadium oxide;vanadium carbide;direct carburation;thermadynamical analysis; 氧化釩;碳化釩;直接碳化法;熱力學(xué)分析;gas carburation 氣體滲碳 返回 carburation