This method can be reliably performed in the laboratory if properly prepared sample, s are used.

如果使用正确制备的样品，该方法在实验室条件下是可靠的。

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The multi-amidocyanogen sodium phosphate as grind additive was synthesized using mannich reaction, and the as-prepared sample was characterized by IR, DTA analyses.

利用曼尼奇反应原理，制备了多胺基磷酸钠陶瓷助磨剂，采用红外光谱、差热分析等对合成的助剂进行了表征；

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The electrons that form the image pass through the sample, so the individual slices have to be prepared and examined.

形成图像的电子通过了这个样品，因此必须准备和检查单个的切片。

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Have guacamole prepared at your table and sample a variety of tequila (the restaurant offers more than 70 different kinds).

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In this the electrons that form the image pass through the sample, so the individual slices have to be prepared and examined.

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The sample and the particles then drift along the channels towards spin valves that have been prepared with different antibodies to the same target molecules.

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