Colloids comprising amorphous borosilicate particles, wherein said borosilicate particles are not borosilicate glass; are described and claimed. These colloids have been found to be useful in aqueous systems, specially in papermaking.

Kolloide, die formlose Borosilicatpartikel enthalten, worin besagte Borosilicatpartikel nicht Borosilicatglas sind; werden beschrieben und behauptet. Diese Kolloide sind gefunden worden, um in den wäßrigen Systemen, besonders in der Papierherstellung nützlich zu sein.

 
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< II-VI semiconductor component having at least one junction between a layer containing Se and a layer containing BeTe, and process for producing the junction

> Combined en bloc staining and embedding process

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