26-08-22
Difference between Short-path Distillation and Molecular Distillation-Shanghai DEA Difference between Short-path…

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…

Original Title: Difference between Short-path Distillation and…


Gratis
26-08-22
What are the guard column and the in-line filter for liquid chromatography? How to use it? _ Impurities What are the guard column and…

Original title: What are the guard column and online filter of liquid chromatography? How to use it? In the previous video of ChromClass, we mentioned the protective column and online filter of liquid chromatography. At that time, some students were very…

Original title: What are the guard column and online filter of liquid…


Gratis
26-08-22
Method and Electrical Wire Connection Method Method and Electrical Wire…

 First, cross the core wire ends of the two conductors in an X shape, then wind them for 2 to 3 circles, straighten the two wire ends, and then wind each wire end tightly on the other core wire for 5 to 6 circles, and then cut off the redundant wire ends.…

 First, cross the core wire ends of the two conductors in an X shape,…


Gratis
26-08-22
Illustration of Common Conductor, Wire Connection Method and Electrical Wire Connection Method Illustration of Common…

Original Title: Illustration of Common Wires,  4 Cross branch connection of single-strand copper conductor As shown in Fig. 5,6al4v titanium bar, tightly wind the wire ends of the upper and lower branch core wires on the trunk core wire for 5 to 8…

Original Title: Illustration of Common Wires,  4 Cross branch…


Gratis
26-08-22
Ti6Al4V Ti6Al4V 64 Ti Ti6Al4V Ti6Al4V 64 Ti

Original title: Ti6Al4V 64 Ti, Gr5 (Grade 5) titanium alloy Titanium 6 aluminium-4 vanadium is generally considered the "Titanium and titanium alloys including titanium 6 aluminum-4 vanadium are susceptible to hydrogen embrittlement. Gaseous or negative…

Original title: Ti6Al4V 64 Ti, Gr5 (Grade 5) titanium alloy Titanium 6…


Gratis