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សម្រស់ និង សុខុមាលភាព
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វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
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ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
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ប្រដាប់ដែលស្លៀក

សម័យកាល

1,383 ប្លង់មាន • 17 ប្រភេទរង

ប្លង់ (1,383)

Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

ដោយ PeterSE

រសាយនវិទ្យា

37
0
0
0
1
0
Burning Quicklime from Limestone — The Element That Built Civilization

Burning Quicklime from Limestone — The Element That Built Civilization

ដោយ PeterSE

រសាយនវិទ្យា

41
0
0
0
3
0
Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire

Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire

ដោយ PeterSE

រសាយនវិទ្យា

122
0
0
0
3
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore
គ្រោះថ្នាក់

Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore

ដោយ PeterSE

រសាយនវិទ្យា

21
0
0
0
0
0
Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age

Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age

ដោយ PeterSE

រសាយនវិទ្យា

35
0
0
0
0
0
Understanding Uranium from Uraninite — The Element That Changed Everything

Understanding Uranium from Uraninite — The Element That Changed Everything

ដោយ PeterSE

រសាយនវិទ្យា

28
0
0
0
8
0
Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess

Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess

ដោយ PeterSE

រសាយនវិទ្យា

23
0
0
0
0
0
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds

Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds

ដោយ PeterSE

រសាយនវិទ្យា

31
0
0
0
0
0
Understanding Strontium from Celestine — The Element That Paints Fireworks Red

Understanding Strontium from Celestine — The Element That Paints Fireworks Red

ដោយ PeterSE

រសាយនវិទ្យា

29
0
0
0
0
0
Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark

Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark

ដោយ PeterSE

រសាយនវិទ្យា

20
0
0
0
0
0
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
គ្រោះថ្នាក់

Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold

ដោយ PeterSE

អាលុយមីញ៉ូម

34
0
0
0
1
0
Understanding Titanium Extraction from Ilmenite — The Impossible Metal to Smelt
គ្រោះថ្នាក់

Understanding Titanium Extraction from Ilmenite — The Impossible Metal to Smelt

ដោយ PeterSE

ទីតានីញ៉ូម

40
0
0
0
1
0
Isolating Platinum from Alluvial Deposits — The Unwanted Silver of the Conquistadors
គ្រោះថ្នាក់

Isolating Platinum from Alluvial Deposits — The Unwanted Silver of the Conquistadors

ដោយ PeterSE

រសាយនវិទ្យា

33
0
0
0
5
0
ការទាញយកម៉ូលីបដិនមពីម៉ូលីបដិននីត - សារធាតុរអិលដែលពង្រឹងដែក
គ្រោះថ្នាក់

ការទាញយកម៉ូលីបដិនមពីម៉ូលីបដិននីត - សារធាតុរអិលដែលពង្រឹងដែក

ដោយ PeterSE

រសាយនវិទ្យា

38
0
0
0
0
0
Extracting Tungsten from Wolframite — The Heaviest Practical Metal
គ្រោះថ្នាក់

Extracting Tungsten from Wolframite — The Heaviest Practical Metal

ដោយ PeterSE

រសាយនវិទ្យា

47
0
0
0
0
0
Extracting Chromium from Chromite — The Element That Paints the Rainbow
គ្រោះថ្នាក់

Extracting Chromium from Chromite — The Element That Paints the Rainbow

ដោយ PeterSE

រសាយនវិទ្យា

16
0
0
0
0
0
Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass

Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass

ដោយ PeterSE

រសាយនវិទ្យា

27
0
0
0
2
0
Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave
គ្រោះថ្នាក់

Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave

ដោយ PeterSE

រសាយនវិទ្យា

28
0
0
0
0
0
Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue
គ្រោះថ្នាក់

Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue

ដោយ PeterSE

រសាយនវិទ្យា

47
0
0
0
3
0
Extracting Arsenic from Arsenopyrite — The Poison King of the Elements
គ្រោះថ្នាក់

Extracting Arsenic from Arsenopyrite — The Poison King of the Elements

ដោយ PeterSE

រសាយនវិទ្យា

32
0
0
0
3
0