The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
通过单位面积取样调查，定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
Coal, slag and fly ashes were sampled from a 300 MW utility boiler. The concentration of mercury, arsenic in these samples and the particle size distribution of the fly ash were determined.
对某300 MW燃煤电厂锅炉进行煤、渣、飞灰取样后，测定煤和燃烧产物中汞和砷的含量，研究了电除尘四个电场飞灰中汞与砷的分布特点。
Retinol was measured in cord blood sampled at birth, and ultrasound measurement of kidney size in the neonates was carried out within 2 days of birth.
测量分娩时脐带血的维生素a，超声测量出生2天内的新生儿肾脏大小。
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