mechanical mixture

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Noun1.mechanical mixture - a mixture whose components can be separated by mechanical meansmechanical mixture - a mixture whose components can be separated by mechanical means
mixture - (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
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When it comes to powder, chemical mixtures are better than mechanical mixtures, you take my word."
The workers then hand over the raw material to the laboratory assistants to weigh chemicals and test them, and in the presence of a quality control supervisor, different ingredients are added to the mechanical mixture.
Furthermore, a mechanical mixture of SBA-15 and crystalline [alpha]-[Fe.sub.2][O.sub.3] (10.5 wt% Fe) was prepared and denoted as [Fe.sub.2][O.sub.3]/SBA-15.
From a comparison between the activity of CNT, titania mechanical mixture of titania and CNTs (MM), and the prepared CNT/Ti[O.sub.2] nanomaterials, it was found that the CNT/Ti[O.sub.2] nanomaterials have better desulfurization activity than others.
In order to further explore the effect of the interphase linkage, a mechanical mixture of CNx and Ti[O.sub.2] was prepared.
First and foremost, the two parties must appear as a stable chemical compound and not a mechanical mixture. The two parties have to be on alert against billowing of egotism to which there will be no dearth of external manipulation.
At first, gunpowder was nothing but a mechanical mixture of the three substances, called "serpentine." Proportions were played around with to get the maximum effect for the desired purpose--propellant, fireworks, etc.