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2,496 загвар боломжтой • 17 дэд ангилал

Загварууд (2,496)

Цэцгийн шархны зуурмаг бэлтгэх — Урьдчилсан түүхийн ургамлын анхны тусламж

Цэцгийн шархны зуурмаг бэлтгэх — Урьдчилсан түүхийн ургамлын анхны тусламж

Bob зохиосонBE

Түүхийн өмнөх

85
0
0
0
5
0
Building a Coil Pot by Hand — Ancient Pottery Without a Wheel

Building a Coil Pot by Hand — Ancient Pottery Without a Wheel

Clay зохиосонDK

Түүхийн өмнөх

79
0
0
0
1
0
Дундад үеийн саваа эргүүлэх машин өндөрлөх өнгөтэй модны эргүүлэхэд зориулж

Дундад үеийн саваа эргүүлэх машин өндөрлөх өнгөтэй модны эргүүлэхэд зориулж

Woody зохиосонNO

Эргүүлэх

213
1
0
0
2
0
Hot Composting from Kitchen and Garden Waste — Engineering a Microbial Decomposition Reactor

Hot Composting from Kitchen and Garden Waste — Engineering a Microbial Decomposition Reactor

Bob зохиосонBE

Биологи

27
0
0
0
0
0
Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum

Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum

Bob зохиосонBE

Биологи

88
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

Peter зохиосонSE

Орчин үеийн

21
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

Peter зохиосонSE

Орчин үеийн

26
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

Peter зохиосонSE

Уул уурхай

27
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

Peter зохиосонSE

Орчин үеийн

46
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

Peter зохиосонSE

Уул уурхай

25
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

Peter зохиосонSE

Орчин үеийн

26
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

Peter зохиосонSE

Уул уурхай

23
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

Peter зохиосонSE

Орчин үеийн

25
0
0
0
0
0
Understanding Promethium from Nuclear Fission — The Phantom Lanthanide

Understanding Promethium from Nuclear Fission — The Phantom Lanthanide

Peter зохиосонSE

Орчин үеийн

23
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

Peter зохиосонSE

Орчин үеийн

29
0
0
0
0
0
Understanding Xenon from Air Separation — The Strangest Noble Gas

Understanding Xenon from Air Separation — The Strangest Noble Gas

Peter зохиосонSE

Орчин үеийн

19
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

Peter зохиосонSE

Уул уурхай

28
0
0
0
2
0
Understanding Argon from Air Separation — The Invisible Shield Gas

Understanding Argon from Air Separation — The Invisible Shield Gas

Peter зохиосонSE

Уул уурхай

18
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

Peter зохиосонSE

Уул уурхай

56
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

Peter зохиосонSE

Уул уурхай

26
0
0
0
4
0
Understanding Thorium from Monazite — The Nuclear Fuel That Could Replace Uranium
Аюултай

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

Peter зохиосонSE

Цөмийн

18
0
0
0
4
0
Understanding Thallium from Pyrite Smelting — The Poisoner's Element

Understanding Thallium from Pyrite Smelting — The Poisoner's Element

Peter зохиосонSE

Орчин үеийн

14
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

Peter зохиосонSE

Орчин үеийн

42
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

Peter зохиосонSE

Орчин үеийн

25
0
0
0
2
0
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