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ប្លង់Culture And History
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
404 ប្លង់មាន • 3 ប្រភេទរង
រុករកប្រភេទរង
ប្លង់ (404)
Hazardous content
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds
by Peter
Periodic Table
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Understanding Strontium from Celestine — The Element That Paints Fireworks Red
by Peter
Ancient
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Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark
by Peter
Mining
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Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
by Peter
Mining
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Understanding Titanium Extraction from Ilmenite — The Impossible Metal to Smelt
by Peter
Chemistry
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Hazardous content
Isolating Platinum from Alluvial Deposits — The Unwanted Silver of the Conquistadors
by Peter
Specialty Alloys
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ការទាញយកម៉ូលីបដិនមពីម៉ូលីបដិននីត - សារធាតុរអិលដែលពង្រឹងដែក
by Peter
Metalworking
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Extracting Tungsten from Wolframite — The Heaviest Practical Metal
by Peter
Specialty Alloys
1
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Hazardous content
Extracting Chromium from Chromite — The Element That Paints the Rainbow
by Peter
Metalworking
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Hazardous content
Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass
by Peter
Specialty Alloys
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Hazardous content
Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave
by Peter
Specialty Alloys
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Hazardous content
Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue
by Peter
Specialty Alloys
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1
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Hazardous content
Extracting Arsenic from Arsenopyrite — The Poison King of the Elements
by Peter
Ancient
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Extracting Bismuth from Bismuthinite — The Rainbow Metal from Sulfide Ore
by Peter
Ancient
2
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Extracting Antimony from Stibnite — The Ancient Cosmetic Turned Metal
by Peter
Periodic Table
2
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Extracting Zinc from Sphalerite — Roasting and Reduction of the Invisible Metal
by Peter
Mining
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1
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Extracting Silver by Cupellation — Separating Noble Metal from Lead Ore
by Peter
Mining
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Panning Gold from Alluvial Deposits — Gravity Separation of the Noble Metal
by Peter
Mineralogy
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Hazardous content
ការស្រង់ទាញលោហធាតុបាទុង ពីសីណាបារ — ការចម្រាញ់លោហធាតុបាទុងពីរ៉ែក្រហម
by Peter
Mining
35
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ការកែតម្រូវទែម៉ូម៉ែត្រដោយប្រើចំណុចថេរពីររបស់សែលស៊ីអុស
by Penny
Measurement & Layout
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