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riaham
Member since 2023.

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Chuanneng Power Co., Ltd.: The main road works of the mine road of Lijiagou Mining and Dressing ProjOriginal title: Chuanneng Power: The main road works of the mine road of Lijiagou Mining and Dressing Project have been fully completed. According to the record of investor relations activities disclosed by Chuanneng Power on July 15, by the end of A ... (06/03/2023 18:03:13)
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Drilling (I) _ UseOriginal Title: Drilling Processing (I) 1. Drilling type and its application The drilling processing method for steel structure engineering mainly uses drill bit processing, shearing processing and gas cutting processing, and its application range is ... (06/03/2023 18:02:54)
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New Progress in Key Technology of Underground Metal Mining _ Rock Drilling _ Blasting _ TransportatiOriginal Title: New Progress in Key Technologies for Underground Metal Mining Underground metal mine mining is a systematic project, including development, development and mining (as shown in Figure 1, underground mine mining model), each link requir ... (06/03/2023 18:02:15)
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Estimation of output and unit cost of down-the-hole drill!Original title: Estimation of output and unit cost of down-the-hole drill! Hengwang Group 1． Main factors for selection of down-the-hole drill -Production capacity ─ Total unit cost Total cost = total machine price + operating cost Cost per hour ... (06/03/2023 18:01:27)
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Difference between Short-path Distillation and Molecular Distillation-Shanghai DEAOriginal Title: Difference between Short-path Distillation and Molecular Distillation-Shanghai DEA Short-path distillation, "short path" refers to a shorter distance, in a broad sense, the evaporator adopts the design scheme that the distance from th ... (06/03/2023 18:01:00)
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See enough at a time: 22 kinds of evaporation, crystallization equipment structure and working princOriginal title: See enough at a time: 22 kinds of evaporation, crystallization equipment structure and working principle diagram! Source: Chemical 707 Forum 1 Central-circulation tubular evaporator The heating chamber of the central circulation tube ... (06/03/2023 18:00:22)
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Difference between Short-path Distillation and Molecular Distillation-Shanghai DEAOriginal Title: Difference between Short-path Distillation and Molecular Distillation-Shanghai DEA Short-path distillation, "short path" refers to a shorter distance, in a broad sense, the evaporator adopts the design scheme that the distance from th ... (06/03/2023 17:59:58)
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What are the similarities and differences between short-path molecular distillers and thin-film evapOriginal title: What are the similarities and differences between short-range molecular distillers and thin-film evaporators? Naai AY-F60a molecular distillation instrument is a special liquid-liquid separation technology,rotary vacuum evaporator,jac ... (06/03/2023 17:59:30)
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