Geological down-the-hole drill _ rock drilling
Original title: Geological down-the-hole drill Down-the-hole drill Portable down-the-hole drill is a new type of energy-saving and efficient rock drilling equipment, which is widely used in medium and small mines, road construction, national defense, mining dth bit , water conservancy and rock engin...
15 January 2023
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Palafox
Industry perspective | From "conventional" to "unconventional"
Original Title: Industry Viewpoint | From "Conventional" to "Unconventional" Construction Method, What Are the Developments and Innovations of Drilling and Blasting Method? Once upon a time, the drilling and blasting method of tunnel construction was called the "conventional" tunnel construction met...
15 January 2023
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Palafox
Summary of knowledge on dental bur needle _ taper
Original Title: Summary of Oral Needle Knowledge Pay attention to receiving this every day. Summary of the most complete knowledge about dental needle 1 Classification of needles Classification by function: high speed, low speed (16,30,45 jrpm) Classification by length: standard, short stem, super s...
15 January 2023
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Palafox
Secret Teach you how to distinguish the drill.
Originally published as Secrets..? Teach you how to distinguish the drill. Name of drilling rig and trolley? In the following, the professional terms that are easy to be confused in the rock drilling machinery commonly used in several mainstream mechanical drilling methods are sorted out, the terms...
15 January 2023
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Palafox
The leading enterprises of evaporation and crystallization in China are all here! See enough of Shanghai in August
Original title: The leading enterprises of evaporation and crystallization in China are all here! See enough of Shanghai in August In the report of the Nineteenth National Congress, General Secretary Xi Jinping put forward the new task of "building a beautiful China" in the new era. After the Nation...
14 January 2023
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Palafox
Good Helper for Railway Coal Transportation in Northern China in Winter-Anti-freezing Dust Suppressant _ Wagon _ Carrying _ Water
Original Title: Good Helper for Railway Coal Transportation in Northern China in Winter-Anti-freezing Dust Suppressant Antifreezing dust suppressant is an antifreezing dust suppressant specially developed for railway coal transportation in northern China in winter. The dust suppressant well combines...
14 January 2023
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Palafox
In the plastic restriction order, the emergence of PE recycled material film has made a difference? _ Plastics _ Production _ Pollution
Original Title: In the Plastic Restriction Order, Does the Emergence of PE Recycled Material Film Make a Difference? Over the past few years, the development concept of the plastic ban has been widely disseminated. As a major producer and consumer of plastics,winterization filtration, China promulga...
14 January 2023
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Palafox
Difference between Short-path Distillation and Molecular Distillation-Shanghai 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...
14 January 2023
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Palafox