目的观察水溶性珍珠钙(wcp)的药理作用，并对其机制进行初步研究。

Objective To study the pharmacologic effect of water soluble calcium from pearl (WCP) on subacute aging and it's mechanism.

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目的建立珍珠明目滴眼液中钙元素残留量的测定方法。

Objective To find a new method for determining residual calcium in Zhenzhu Mingmu Eye Drops.

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结果表明，珍珠表面的瓷质层由两种形貌完全不同的六方碳钙石组成。

It can be concluded that the porcelaneous layers are composed of vaterites with two kinds of microscopic morphology.

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