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Having worked in the steel industry as an apprentice doing Fuel & Furnace research the process and procedures are still of interest but, having said that so is my glass of Rioja. All the best for the end-of -year festivities.
The poster defines himself as a student translator...but that was five years ago. Personally, I think you're wasting your time getting annoyed and asking for more context.
How would you say in French that someone "has got form" when it comes to leaving questions open for months, and not giving any feedback to colleagues trying to help?
We're all just guessing/wasting our time, so please can we have more context: is this a book, a patent, an article, or what? What is the title? What is the title of the chapter? Does PTH occur anywhere else in the text? What sentences occur either side of your contentious phrase?
The essential facts about the nature of the hydrogen embrittlement, also known as hydrogen assisted cracking or hydrogen-induced cracking, of steels have now been known for 140 years. It is diffusible hydrogen that is harmful to the toughness of iron and steel. Wikipedia Vaguely remember from my apprenticeship days (not this century) the arc furnace was in fact under vacuum, to remove excess hydrogen.
As perhaps a starter for brain storming, and without much info, could pth be post-treatment ???? Could in fact ???? be Hydrogen? When stainless steel is made the final Hydrogen concentration is very important.
It would probably be possible to solve this puzzle after wading for hours through relevant references (about metal / casting, certainly not medical).
BUT if you expect some help for free, the least you can do is to provide as much background information as possible. Other people's time is ALSO limited ....
Like Manoj and Conor, pretty much all I can find are references to medical tests related to parathyroid hormone. In terms of metallurgy/casting, the only references to PTH I've found relate to pressures at or around gas–slag and slag–iron interfaces. In terms of general process control, I can find one book reference to pth in an example of how concentrations of metal in the effluent from a foundry can be monitored. The pth refers to the percentile in this case, and is only part of the statistical calculation on how monitoring should be carried out. If this doesn't relate to medical monitoring, would you be able to shed some more light on the type of casting, where the concentration is being monitored (eg the metal, effluent, etc) and anything else that might give us a clue? Thanks.
Manoj Chauhan India Local time: 15:36 Native speaker of: English
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