សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក

ការជីកយករ៉ែ

81 ប្លង់មាន

ប្លង់ (81)

Ingersoll Rock Drill

Ingersoll Rock Drill

ដោយ ForgeNO

ការផលិតកាត់បន្ថយ

48
0
0
0
0
0
Understanding Sodium from Halite — The Reactive Metal That Powers Life and Industry

Understanding Sodium from Halite — The Reactive Metal That Powers Life and Industry

ដោយ PeterSE

សម័យទំនើប

18
0
0
0
2
0
Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

ដោយ PeterSE

សម័យទំនើប

24
0
0
0
0
0
Understanding Actinium from Uranium Ore — The Element That Named the Actinides

Understanding Actinium from Uranium Ore — The Element That Named the Actinides

ដោយ PeterSE

រសាយនវិទ្យា

22
0
0
0
0
0
Understanding Radium from Uranium Ore — The Glowing Element That Changed Science and Medicine

Understanding Radium from Uranium Ore — The Glowing Element That Changed Science and Medicine

ដោយ PeterSE

សម័យទំនើប

35
0
0
0
0
0
Understanding Francium from Radioactive Decay — The Most Unstable Natural Element

Understanding Francium from Radioactive Decay — The Most Unstable Natural Element

ដោយ PeterSE

រសាយនវិទ្យា

12
0
0
0
0
0
Understanding Radon from Radioactive Decay — The Invisible Killer in Your Basement

Understanding Radon from Radioactive Decay — The Invisible Killer in Your Basement

ដោយ PeterSE

សម័យទំនើប

19
0
0
0
0
0
Understanding Astatine from Cyclotron Synthesis — The Rarest Naturally Occurring Element

Understanding Astatine from Cyclotron Synthesis — The Rarest Naturally Occurring Element

ដោយ PeterSE

រសាយនវិទ្យា

17
0
0
0
0
0
Understanding Polonium from Uranium Ore — The Deadly Discovery That Launched Nuclear Science

Understanding Polonium from Uranium Ore — The Deadly Discovery That Launched Nuclear Science

ដោយ PeterSE

សម័យទំនើប

21
0
0
0
0
0
Understanding Promethium from Nuclear Fission — The Phantom Lanthanide

Understanding Promethium from Nuclear Fission — The Phantom Lanthanide

ដោយ PeterSE

សម័យទំនើប

14
0
0
0
0
0
Understanding Technetium from Nuclear Fission — The First Artificially Made Element

Understanding Technetium from Nuclear Fission — The First Artificially Made Element

ដោយ PeterSE

សម័យទំនើប

25
0
0
0
0
0
Understanding Xenon from Air Separation — The Strangest Noble Gas

Understanding Xenon from Air Separation — The Strangest Noble Gas

ដោយ PeterSE

សម័យទំនើប

17
0
0
0
1
0
Understanding Krypton from Air Separation — The Hidden Gas That Once Defined the Meter

Understanding Krypton from Air Separation — The Hidden Gas That Once Defined the Meter

ដោយ PeterSE

រសាយនវិទ្យា

22
0
0
0
2
0
Understanding Argon from Air Separation — The Invisible Shield Gas

Understanding Argon from Air Separation — The Invisible Shield Gas

ដោយ PeterSE

រសាយនវិទ្យា

13
0
0
0
2
0
Understanding Neon from Air Separation — The Gas That Lit the Modern City

Understanding Neon from Air Separation — The Gas That Lit the Modern City

ដោយ PeterSE

រសាយនវិទ្យា

31
0
0
0
3
0
Understanding Helium from Natural Gas — The Element That Escapes Earth Forever

Understanding Helium from Natural Gas — The Element That Escapes Earth Forever

ដោយ PeterSE

រសាយនវិទ្យា

18
0
0
0
4
0
Understanding Thorium from Monazite — The Nuclear Fuel That Could Replace Uranium
គ្រោះថ្នាក់

Understanding Thorium from Monazite — The Nuclear Fuel That Could Replace Uranium

ដោយ PeterSE

នុយក្លេអែរ

14
0
0
0
4
0
Understanding Thallium from Pyrite Smelting — The Poisoner's Element

Understanding Thallium from Pyrite Smelting — The Poisoner's Element

ដោយ PeterSE

សម័យទំនើប

12
0
0
0
1
0
Understanding Iridium from Platinum Group Ores — The Asteroid Impact Witness

Understanding Iridium from Platinum Group Ores — The Asteroid Impact Witness

ដោយ PeterSE

សម័យទំនើប

27
0
0
0
1
0
Understanding Osmium from Platinum Group Ores — The Densest Element on Earth

Understanding Osmium from Platinum Group Ores — The Densest Element on Earth

ដោយ PeterSE

សម័យទំនើប

20
0
0
0
2
0
Understanding Rhenium from Molybdenite — The Jet Engine Superalloy Element

Understanding Rhenium from Molybdenite — The Jet Engine Superalloy Element

ដោយ PeterSE

សម័យទំនើប

16
0
0
0
2
0
Understanding Hafnium from Zircon — The Nuclear Fuel Rod Guardian

Understanding Hafnium from Zircon — The Nuclear Fuel Rod Guardian

ដោយ PeterSE

សម័យទំនើប

27
0
0
0
0
0
Understanding Lutetium from Xenotime — The Last and Densest Lanthanide

Understanding Lutetium from Xenotime — The Last and Densest Lanthanide

ដោយ PeterSE

សម័យទំនើប

20
0
0
0
0
0
Understanding Ytterbium from Xenotime — The Atomic Clock Element

Understanding Ytterbium from Xenotime — The Atomic Clock Element

ដោយ PeterSE

រសាយនវិទ្យា

20
0
0
0
1
0
បង្ហាញ 24 ក្នុងចំណោម 81