Through the flotation test, the occurrence form, main carrier mineral and arsenic abundance in both types of coal are analyzed and calculated.

通过浮选试验，对两种类型煤中砷的赋存形态、主要载体矿物及含砷丰度进行了分析和计算。

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The methodological background and measurement method of "ionometric haloes "method are described. The problems concerning the occurrence form of the analyzed matter are discussed.

介绍了“离子晕法”的方法学背景和测量方法，对与被测物质赋存形式有关的问题进行了讨论。

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The second occurrence of a string is replaced by a pointer (in the form of a pair — distance and length) to the previous string.

二次出现的字符串由一个指向前一字符串的指针(以对的形式——距离和长度)代替。

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The individual modifies the occurrence and form of his own behavior due to the association of that behavior with a stimulus.

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