In -this paper, distribution of natural bulk density, water content, and the relationship of grain size with bulk density and water content are studied by regression analysis.
本文论述了南黄海表层沉积物天然湿容重和含水量的分布，并利用回归分析的方法讨论了容重和含水量与粒度之间的关系。
Grain protein content was positive correlation to NR and GS activity in flag leaves and GOGAT activity in grains, and was negative correlation to GOGAT activity in flag leave for all water treatment.
不同水分处理下籽粒蛋白质含量与叶片nr、GS和籽粒GOGAT活性均呈正相关，与旗叶gogat活性呈负相关。
The content of Se in hair is valuable than that of drinking water, soil and grain.
发硒含量测定较水、土、粮食含硒量具有较高的价值。
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