IS:1239 same code for MS ERW and Seamless pipes ?
How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Define what is the ratio of dbc to oxalic acid solution in this step?
How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Whatis the ratio of dbc to oxalic acid solution in this step?
what is the cause of attenuation due to powerloss
What is the air fuel ratio for idling speed in S.I engines?
hi. can SB164 forge or not?
What is the melting point of brass?
Explain the uses of iron ferrite?
What is hardest cutting tool material?
What are the advantages of projection welding over spot welding
What is d2? What is it used for?
What metal cord transfers electricity, and how can I tell?
what other events in history might have affected the growth of metallurgy?
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