The addition of coupling agents also improved the surface properties of calcium ca...
且加入偶联剂后，碳酸钙的表面性能得到改善。
And calcium (ca) is named after calx, the Latin word for lime.
钙(ca)得名于calx——生石灰的拉丁名称。
The results indicate that problems of calcium deficiency and unbalance of values of serum calcium to phosphorus (ca: p) in growing Yak.
结果表明：犊牦牛在生长发育期普遍存在缺钙和血清钙与无机磷比例失调的问题。
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