This experiment probed that the relationship between different handles and leaf mineral element content of walnut.

初步探讨了不同处理与叶片矿质元素含量关系。

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Mineral element content and dry rubber content in latex varied with season or tree age, leading to final differences in loss of mineral elements from latex.

橡胶树年龄不同，或在一年中的不同季节，胶乳中矿质元素百分含量和干胶产量均不同，最终导致胶乳中矿质元素的流失量存在差异。

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And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.

并依据各单元的矿物成分、化学成分、微量元素含量的变化，重新厘定了岩浆的演化顺序。

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