Recent Entries
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understand advanced
Original title: Understand the advanced support of tunnel pipe shed at one time. There are too many detailed words. You need to collect them first! Source: Zhulong Forum Copyright belongs to the original author. As an auxiliary method of tunnel excavation, pipe-roof advanced support technology plays... -
guiding scheme
Original title: Hole guiding scheme of down-the-hole hammer Pile Foundation Project of Plot 1-02 of Xinghe Legend Garden Construction scheme of pile-sinking with down-hole hammer According to the geological survey report and site survey, when the construction of prestressed pipe pile in Block 1-02 o... -
status enterprises
Original Title: Analysis of Market Status and Investment Prospect Assessment Report of China's rock drilling tools Industry in 2022-2028 There are 14 chapters in the Report on Market Status Analysis and Investment Prospect Evaluation of China's Rock Drilling Tools Industry in 2022-2028 issued by Zhi... -
KnowledgeCutting
Original Title: Knowledge of Cutting Tools: Drill Technology 1. Craft /Processing 1.1 Craft According to the diameter and total length of the designed drill bit, the alloy bar cutting machine or wire cutting equipment can be selected for fixed-length processing. For the bar cut to a fixed length, th... -
Low Temperature
Originally published as What is a jacketed glass reactor? Double or triple glass reactor? Glass reactor is a commonly used biochemical instrument, which is widely used in modern fine chemicals, biopharmaceuticals, scientific research experiments and other industries. It can do concentration, distill... -
Brief Introduction
Original Title: An Important Link in Ceramic Forming — — Brief Introduction to Degreasing Process Degreasing is a process in which the organic matter in the molding body is removed by heating and other physical methods, resulting in a small amount of sintering. Debinding is the most diff... -
DistillationShanghai DEA
Original 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 the evaporation surface to the condensation surface ... -
Difference between Short-path Distillation and Molecular Distil
Original 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 the evaporation surface to the condensation surface ...