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វិទ្យាសាស្ត្រ

1,546 ប្លង់មាន • 11 ប្រភេទរង

ប្លង់ (1,546)

The Involute: Why Gear Teeth Are That Shape and No Other

The Involute: Why Gear Teeth Are That Shape and No Other

ដោយ MartinNO

មេកានិក

35
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Module and Pitch: The One Number Two Gears Must Share

Module and Pitch: The One Number Two Gears Must Share

ដោយ MartinNO

មេកានិក

27
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Reading a Plating Fault: Burnt, Pitted, Dull, Peeling

Reading a Plating Fault: Burnt, Pitted, Dull, Peeling

ដោយ CharlieDE

រសាយនវិទ្យា

19
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After the Tank: Passivation, Sealing and the Bake

After the Tank: Passivation, Sealing and the Bake

ដោយ CharlieDE

រសាយនវិទ្យា

22
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Measuring the Coating: The Average Is Not the Minimum

Measuring the Coating: The Average Is Not the Minimum

ដោយ CharlieDE

រសាយនវិទ្យា

25
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Adhesion: Four Tests, and Three of Them Destroy the Part

Adhesion: Four Tests, and Three of Them Destroy the Part

ដោយ CharlieDE

រសាយនវិទ្យា

25
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Current Density: Edges Plate Thick and Recesses Do Not Plate At All

Current Density: Edges Plate Thick and Recesses Do Not Plate At All

ដោយ CharlieDE

រសាយនវិទ្យា

30
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Faraday's Law: The One Process You Can Calculate Exactly

Faraday's Law: The One Process You Can Calculate Exactly

ដោយ CharlieDE

រសាយនវិទ្យា

25
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Degreasing and Pickling: Alkali Takes the Oil, Acid Takes the Oxide
គ្រោះថ្នាក់

Degreasing and Pickling: Alkali Takes the Oil, Acid Takes the Oxide

ដោយ CharlieDE

រសាយនវិទ្យា

24
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The Surface Is the Job: Plating Fails Before the Current Is Switched On

The Surface Is the Job: Plating Fails Before the Current Is Switched On

ដោយ CharlieDE

រសាយនវិទ្យា

27
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Reciprocity Failure: A One Minute Exposure Is Not One Minute

Reciprocity Failure: A One Minute Exposure Is Not One Minute

ដោយ PixelFI

រូបថត

32
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Depth of Field: Only One Distance Is Actually in Focus

Depth of Field: Only One Distance Is Actually in Focus

ដោយ PixelFI

រូបថត

24
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The Exposure Triangle: A Stop Is a Factor of Two

The Exposure Triangle: A Stop Is a Factor of Two

ដោយ PixelFI

រូបថត

20
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Percent Yield: Over 100% Means the Sample Is Wet

Percent Yield: Over 100% Means the Sample Is Wet

ដោយ CharlieDE

រសាយនវិទ្យា

18
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Melting Point: The Range Tells You More Than the Number

Melting Point: The Range Tells You More Than the Number

ដោយ CharlieDE

រសាយនវិទ្យា

21
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Drying: Capacity and Intensity Are Not the Same Thing

Drying: Capacity and Intensity Are Not the Same Thing

ដោយ CharlieDE

រសាយនវិទ្យា

22
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Distilling Well: One Plate, Ten Plates, and the Wall You Cannot Pass

Distilling Well: One Plate, Ten Plates, and the Wall You Cannot Pass

ដោយ CharlieDE

រសាយនវិទ្យា

21
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Extraction: Three Small Shakes Beat One Big One

Extraction: Three Small Shakes Beat One Big One

ដោយ CharlieDE

រសាយនវិទ្យា

16
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Filtering Properly: Which Half Are You Trying to Keep?

Filtering Properly: Which Half Are You Trying to Keep?

ដោយ CharlieDE

រសាយនវិទ្យា

17
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Recrystallisation: The Smallest Possible Volume of Hot Solvent

Recrystallisation: The Smallest Possible Volume of Hot Solvent

ដោយ CharlieDE

រសាយនវិទ្យា

27
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What Pure Means: 99% of What, Measured How?

What Pure Means: 99% of What, Measured How?

ដោយ CharlieDE

រសាយនវិទ្យា

22
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The Acid Line: Why Canning Splits at pH 4.6

The Acid Line: Why Canning Splits at pH 4.6

ដោយ TheChefDK

ម្ហូប

21
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Nitrite: What the Pink Salt Is Actually For
គ្រោះថ្នាក់

Nitrite: What the Pink Salt Is Actually For

ដោយ TheChefDK

ម្ហូប

24
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Water Activity: Honey Is 17% Water and Never Spoils

Water Activity: Honey Is 17% Water and Never Spoils

ដោយ TheChefDK

ម្ហូប

25
0
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បង្ហាញ 24 ក្នុងចំណោម 1546