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

ឧស្សាហកម្ម

418 ប្លង់មាន

ប្លង់ (418)

Acetylene from Calcium Carbide: Generated, Purified and Stored
គ្រោះថ្នាក់

Acetylene from Calcium Carbide: Generated, Purified and Stored

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
PET Resin: Terephthalic Acid and Ethylene Glycol, Whinfield and Dickson

PET Resin: Terephthalic Acid and Ethylene Glycol, Whinfield and Dickson

ដោយ CharlieDE

ឧស្សាហកម្ម

10
0
0
0
0
0
Terephthalic Acid: Para-Xylene Oxidised by Air with Manganese and Bromide

Terephthalic Acid: Para-Xylene Oxidised by Air with Manganese and Bromide

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
Para-Xylene by Three-Stage Crystallisation from Xylene

Para-Xylene by Three-Stage Crystallisation from Xylene

ដោយ CharlieDE

ឧស្សាហកម្ម

12
0
0
0
0
0
Xylene from Coal-Tar Light Oil: the 137.5–142 °C Cut
គ្រោះថ្នាក់

Xylene from Coal-Tar Light Oil: the 137.5–142 °C Cut

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
Optical Glass: Borosilicate Crown Melted, Stirred and Cooled in the Pot
គ្រោះថ្នាក់

Optical Glass: Borosilicate Crown Melted, Stirred and Cooled in the Pot

ដោយ CharlieDE

ឧស្សាហកម្ម

11
0
0
0
0
0
Continuous Glass Fibre Strand Drawn from a Platinum Bushing

Continuous Glass Fibre Strand Drawn from a Platinum Bushing

ដោយ CharlieDE

ឧស្សាហកម្ម

9
0
0
0
0
0
Methyl Methacrylate from Acetone Cyanohydrin
គ្រោះថ្នាក់

Methyl Methacrylate from Acetone Cyanohydrin

ដោយ CharlieDE

ឧស្សាហកម្ម

11
0
0
0
0
0
Acetone Cyanohydrin from Acetone and Hydrogen Cyanide
គ្រោះថ្នាក់

Acetone Cyanohydrin from Acetone and Hydrogen Cyanide

ដោយ CharlieDE

ឧស្សាហកម្ម

6
0
0
0
0
0
Liquid Petrolatum: The 330–390 °C Cut, Acid- and Soda-Washed, Filtered Through Charcoal
គ្រោះថ្នាក់

Liquid Petrolatum: The 330–390 °C Cut, Acid- and Soda-Washed, Filtered Through Charcoal

ដោយ CharlieDE

ឧស្សាហកម្ម

8
0
0
0
0
0
Absolute Alcohol: Spirit Dried over Potash and Quicklime (Drinkwater)

Absolute Alcohol: Spirit Dried over Potash and Quicklime (Drinkwater)

ដោយ CharlieDE

ឧស្សាហកម្ម

22
0
0
0
0
0
Petroleum Jelly: Vacuum Residue Filtered Warm Through Bone Black

Petroleum Jelly: Vacuum Residue Filtered Warm Through Bone Black

ដោយ CharlieDE

ឧស្សាហកម្ម

9
0
0
0
0
0
Triethanolamine from Ethylene Oxide and Aqueous Ammonia
គ្រោះថ្នាក់

Triethanolamine from Ethylene Oxide and Aqueous Ammonia

ដោយ CharlieDE

ឧស្សាហកម្ម

9
0
0
0
0
0
Crude Carbolic Acid: Carbolic Oil Washed with Caustic Soda, Lowe's Prescription
គ្រោះថ្នាក់

Crude Carbolic Acid: Carbolic Oil Washed with Caustic Soda, Lowe's Prescription

ដោយ CharlieDE

ឧស្សាហកម្ម

5
0
0
0
0
0
Benzene from Coal-Tar Light Oil: Washed and Rectified, Lunge 1887
គ្រោះថ្នាក់

Benzene from Coal-Tar Light Oil: Washed and Rectified, Lunge 1887

ដោយ CharlieDE

ឧស្សាហកម្ម

4
0
0
0
0
0
Vinyl Acetate from Ethylene and Acetic Acid over Palladium-Gold

Vinyl Acetate from Ethylene and Acetic Acid over Palladium-Gold

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
Formalin: Methanol Oxidised over Silver
គ្រោះថ្នាក់

Formalin: Methanol Oxidised over Silver

ដោយ CharlieDE

ឧស្សាហកម្ម

4
0
0
0
0
0
Methanol from Synthesis Gas over Copper and Zinc Oxide
គ្រោះថ្នាក់

Methanol from Synthesis Gas over Copper and Zinc Oxide

ដោយ CharlieDE

ឧស្សាហកម្ម

12
0
0
0
0
0
Synthesis Gas by Steam Reforming of Natural Gas
គ្រោះថ្នាក់

Synthesis Gas by Steam Reforming of Natural Gas

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
Ethylene Glycol by Hydration of Ethylene Oxide
គ្រោះថ្នាក់

Ethylene Glycol by Hydration of Ethylene Oxide

ដោយ CharlieDE

ឧស្សាហកម្ម

6
0
0
0
0
0
Ethylene Oxide by Direct Oxidation over Silver
គ្រោះថ្នាក់

Ethylene Oxide by Direct Oxidation over Silver

ដោយ CharlieDE

ឧស្សាហកម្ម

7
0
0
0
0
0
Ethylene by Steam Cracking of Naphtha

Ethylene by Steam Cracking of Naphtha

ដោយ CharlieDE

ឧស្សាហកម្ម

8
0
0
0
0
0
Petroleum Coke: Crude Oil Residue Coked in a Delayed Coker and Calcined

Petroleum Coke: Crude Oil Residue Coked in a Delayed Coker and Calcined

ដោយ CharlieDE

ឧស្សាហកម្ម

8
0
0
0
0
0
Glacial Acetic Acid from Wood Vinegar: Acetate of Soda, Oil of Vitriol and Freezing
គ្រោះថ្នាក់

Glacial Acetic Acid from Wood Vinegar: Acetate of Soda, Oil of Vitriol and Freezing

ដោយ CharlieDE

កាបូនិក

19
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 418