Toutes les offres dans un rayon de 200 km de Tiébo

As the name implies, N95 means a mask that can block 95% of non-oily particles with a diameter of more than 0.3 microns. Expand the full text Although N95 mask play a role in the p...

The draft was formulated on the basis of the Regulations, and put forward norms of conduct for all parties responsible for waste classification, collection, transportation and disp...

PE breathable film is made by blending LDPE/LLDPE polyethylene resin carrier with about 50% special calcium carbonate, extruding into film and directionally stretching to a certain...

 Have a plate of [burst weapon] ~ Double Knife Burst Stab Expand the full text The twin knives are of a different design One of them is made of ice that does not melt all year roun...

 Fig. 3 is a B B sectional view of fig. 2. Fig. 4 is a schematic view of a portion of a drill bit in an embodiment of that present invention. Fig. 5 is a schematic view of a body...

Original 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 relatio...

 what is the boiling point range of solvents, and whether these solvents are flammable, explosive or toxic and harmful. After determining the experimental requirements and the type...

Its advantages and disadvantages are as follows: 1. Ultrasonic extraction Ultrasonic cavitation accelerates the leaching of plant useful components. Advantages: short extraction ti...

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 se...

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...

In addition to the unique shape memory function, shape memory alloy also has the excellent characteristics of wear resistance, corrosion resistance, high damping and superelasticit...

In addition to the unique shape memory function, shape memory alloy also has the excellent characteristics of wear resistance, corrosion resistance, high damping and superelasticit...