方法取11~36周人胎肺组织常规石蜡包埋切片，HE染色观察胚肺各个发育阶段的成熟度，免疫组化检测SP-D时相性表达特征。
Methods Human fetal lung tissues from 11- to 36-week-old fetuses were assayed for lung maturity with HE staining and SP-D expression by means of immunohistochemistry.
考虑到当球团碱度提高时，生球在焙烧阶段易产生低熔点粘结相从而使单个球团强度达到1200n。
When the basicity increases, the fired pellet strength can be improved to 1200n because of the low-melting binding phase produced in the roasting stage.
采用双级时效模拟方式时，外加应力场对析出相的成核及生长阶段均有影响，只是影响程度与析出相自身的点阵错配度有关。
Both nucleation and growth are affected by the external stress by two-step aging simulation, but the effect degree depends on lattice misfit.
采用双级时效模拟方式时，外加应力场对析出相的成核及生长阶段均有影响，只是影响程度与析出相自身的点阵错配度有关。
Both nucleation and growth are affected by the external stress by two-step aging simulation, but the effect degree depends on lattice misfit.
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