文中将河东煤田中部石炭系灰岩中的钙球划分为七种类型。
The Calcisphere in carboniferous series in middle part of HerdongCoal Basin is classified into seven types in the paper.
利用锂钙硼玻璃在磷酸盐溶液中的原位转化反应制备表面多孔的中空羟基磷灰石(HAP)微球。
Hollow hydroxyapatite (HAP) microspheres with pores on their surfaces were prepared by in situ conversion reaction of Li-Ca-B glass in phosphate solution.
氮肥和钾肥提高结球甘蓝养分元素的吸收数量，促进边叶钙和镁向叶球转移。
Nitrogen and potassium fertilizer enhanced the nutrient uptakes, and the translocation of ca and Mg from side leaves to heads.
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