Precautions for import and export commodity inspection and air forward trucking

In international trade, the indirect and local inspection of import and export commodities is closely related to the vital interests of buyers and sellers, as it involves inspection rights, inspection agencies and related claims.…

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Precautions during use of superplasticizer additive

After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…

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Construction Precautions for Foam Lightweight Soil

The filling elevation of the foam light soil with different strengths shall be constructed in strict accordance with the design requirements. The anti-seepage geomembrane on the top of the foam light soil subgrade shall be laid under the metal mesh,…

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Precautions for the use of concrete foaming agent

Cement foaming agent is called foamed concrete foaming agent. It refers to an admixture that can reduce the surface tension of liquid and produce a large amount of uniform and stable foam. It is an admixture used to produce foamed concrete and can pr…

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Precautions for the use of the 24040 bearing and how to maintain the bearing to extend its service life

How to judge the 24040 bearing failure A sound meter is used to check the size and sound quality of the rolling sound of the 24040 bearing in operation. Even if the bearing is slightly damaged such as peeling, abnormal and irregular sounds will be em…

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Why aerogel powder can be used to make Mars exploration spacesuit

What exactly is aerogel powder? The gel powder is sometimes called blue smoke or frozen smoke. The particles are extremely small, so the visible light scattering in the powder is tiny (Rayleigh scattering). It passes through air just as the sun does…

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Properties of Nickel-based Super Alloys

The creep rupture strength can be a good indication that the creep rupture life/γ-initial fraction diagram of each alloy series is different, but each series may have a maximum value or exceed 75% (volume) in the vicinity.…

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3D Printing Alloy Spherical Aluminum Alloy Metal Powder

Powder metallurgy, profile spraying, and aerospace components are all made from aluminum-based metal. Information about 3D-Printing Aluminum Spherical Alloy Metal Powder. Product name: Spherical Al Powder Powder properties:high-quality…

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