Then the morphology was observed by optical microscope and SEM. The grain size of austenite, the number of martensite in austenite grains and the spacing of the lath martensite were measured.
用金相显微镜和SEM观察了试样铸态微观组织形态，测定了奥氏体晶粒尺寸以及奥氏体晶粒内马氏体板条束个数和马氏体板条间距。
The fully lamellar microstructures with different grain size and lamellar spacing were obtained by heat treatment.
通过热处理手段获得可区分晶粒尺度和片层厚度的全片层组织。
Effects of different spacing form, density on structure of population, photosynthesis and grain yield of Lankao906 were studied under the high yielding condition.
研究了在高产条件下，不同行距配置、密度对兰考90 6群体结构、光合及产量的影响。
Effects of different spacing form, density on structure of population, photosynthesis and grain yield of Lankao906 were studied under the high yielding condition.
研究了在高产条件下，不同行距配置、密度对兰考90 6群体结构、光合及产量的影响。
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