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សម្រស់ និង សុខុមាលភាព
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វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
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ម្ហូប និង ភេសជ្ជៈ
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ប្លង់បច្ចេកវិទ្យា

បច្ចេកវិទ្យា

1,135 ប្លង់មាន • 8 ប្រភេទរង

ប្លង់ (1,135)

Understanding Niobium from Columbite — The Superconducting Steel Strengthener

Understanding Niobium from Columbite — The Superconducting Steel Strengthener

ដោយ PeterSE

សម័យទំនើប

12
0
0
0
3
0
Understanding Yttrium from Xenotime — The Rare Earth That Lights Red Screens
គ្រោះថ្នាក់

Understanding Yttrium from Xenotime — The Rare Earth That Lights Red Screens

ដោយ PeterSE

ការជីកយករ៉ែ

44
0
0
0
12
0
Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum
គ្រោះថ្នាក់

Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum

ដោយ PeterSE

ការជីកយករ៉ែ

44
0
0
0
0
0
Understanding Fluorine from Fluorite — The Most Reactive Element on Earth
គ្រោះថ្នាក់

Understanding Fluorine from Fluorite — The Most Reactive Element on Earth

ដោយ PeterSE

ការជីកយករ៉ែ

40
0
0
0
4
0
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
គ្រោះថ្នាក់

Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter

ដោយ PeterSE

ការជីកយករ៉ែ

60
0
0
0
4
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone

Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone

ដោយ PeterSE

ការជីកយករ៉ែ

52
0
0
0
2
0
Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand

Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand

ដោយ PeterSE

ការជីកយករ៉ែ

70
0
0
0
1
0
Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light
គ្រោះថ្នាក់

Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light

ដោយ PeterSE

ការជីកយករ៉ែ

64
0
0
0
2
0
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
គ្រោះថ្នាក់

Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology

ដោយ PeterSE

ការជីកយករ៉ែ

39
0
0
0
11
0
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass

Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass

ដោយ PeterSE

ការជីកយករ៉ែ

62
0
0
0
1
0
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
គ្រោះថ្នាក់

Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future

ដោយ PeterSE

ការជីកយករ៉ែ

50
0
0
0
3
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire

Building a Box Bellows — The Breath That Makes Metal Obey Fire

ដោយ EmmaSE

មេកានិក

94
0
0
0
7
0
ផលិតកម្មលក្ខណ៍ពីសំរាម pertanian — ការស្រង់ទាញឧស្ម័នក្រុង កាបូននៃក្រុមហ៊ុននិងក្រុម

ផលិតកម្មលក្ខណ៍ពីសំរាម pertanian — ការស្រង់ទាញឧស្ម័នក្រុង កាបូននៃក្រុមហ៊ុននិងក្រុម

ដោយ KarenSE

ជីវម៉ាស

64
1
0
0
0
0
ការជ្រើសរើស និងកែច្នៃឈើរឹងសម្រាប់ធ្វើឈើ

ការជ្រើសរើស និងកែច្នៃឈើរឹងសម្រាប់ធ្វើឈើ

ដោយ WoodyNO

ការធ្វើការឈើ

23
0
0
0
0
0
Harvesting and Preparing Wild Clay from Riverbanks

Harvesting and Preparing Wild Clay from Riverbanks

ដោយ ClayDK

សេរ៉ាមិក និង ដី

51
0
0
0
0
0
Burning Lime from Limestone — The Oldest Chemical Industry on Earth

Burning Lime from Limestone — The Oldest Chemical Industry on Earth

ដោយ MaryFI

រសាយនវិទ្យា

169
0
0
0
4
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore

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

ដោយ PeterSE

ការជីកយករ៉ែ

23
0
0
0
1
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

ការជីកយករ៉ែ

24
0
0
0
2
0
Understanding Uranium from Uraninite — The Element That Changed Everything
គ្រោះថ្នាក់

Understanding Uranium from Uraninite — The Element That Changed Everything

ដោយ PeterSE

ការជីកយករ៉ែ

113
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

ការជីកយករ៉ែ

29
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

ការជីកយករ៉ែ

29
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

ការជីកយករ៉ែ

62
0
0
0
3
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

ការជីកយករ៉ែ

46
0
0
0
3
0
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold

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

ដោយ PeterSE

ការជីកយករ៉ែ

56
0
0
0
1
0
បង្ហាញ 24 ក្នុងចំណោម 1135