删减 发表于 2025-3-23 09:46:08

Arild Stubhaugectors and frothers. In this study, an alternative single reagent, Collector AB, developed from a natural precursor without using any harmful synthetic chemicals, was used as a coal collector-cum-frother. This collector AB is environmentally non-hazardous and safe to use in coal washeries unlike mos

冲击力 发表于 2025-3-23 17:08:54

Arild Stubhaug using oleic acid and a plant-based reagent SFA as collectors. The plant-based collector, i.e., Sillimanite Flotation Agent (SFA), is a natural extract. The effect of variation of input parameters such as pH, depressant dosage, and collector dosage were evaluated, and flotation process optimization

corpus-callosum 发表于 2025-3-23 20:11:32

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Flagging 发表于 2025-3-23 23:48:37

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meditation 发表于 2025-3-24 02:34:54

Arild Stubhaug, namely “.Make cities and human settlements inclusive, safe, resilient and sustainable.”  and contains the description of a range of terms, which allows a better understanding and fosters knowledge. This book presents a set of papers on the state of the art of knowledge and practices about the nume

构想 发表于 2025-3-24 06:54:25

Arild Stubhaug, namely “.Make cities and human settlements inclusive, safe, resilient and sustainable.”  and contains the description of a range of terms, which allows a better understanding and fosters knowledge. This book presents a set of papers on the state of the art of knowledge and practices about the nume

amnesia 发表于 2025-3-24 12:09:40

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护航舰 发表于 2025-3-24 16:53:30

Arild Stubhaug, namely “.Make cities and human settlements inclusive, safe, resilient and sustainable.”  and contains the description of a range of terms, which allows a better understanding and fosters knowledge. This book presents a set of papers on the state of the art of knowledge and practices about the nume

万花筒 发表于 2025-3-24 20:45:47

 and contains the description of a range of terms, which allows a better understanding and fosters knowledge. This book presents a set of papers on the state of the art of knowledge and practices about the nume978-3-319-95717-3Series ISSN 2523-7403 Series E-ISSN 2523-7411

发表于 2025-3-24 23:57:54

978-3-642-08610-6Springer-Verlag Berlin Heidelberg 2000
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查看完整版本: Titlebook: NIELS HENRIK ABEL and his Times; Called Too Soon by F Arild Stubhaug Book 2000 Springer-Verlag Berlin Heidelberg 2000 Abel.Biographie.Gesch