សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
ឧស្សាហកម្ម
418 ប្លង់មាន
ប្លង់ (418)
Phosphor Bronze Wire: Cast Billet Extruded at 570-620 °C, then Cold Drawn without Annealing (Barthel, Lurgi, US 2,079,239)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
Phosphor Bronze Ingot: 90 Copper Melted under Charcoal with 10 Phosphor-Tin, Stirred with Graphite (Thurston)
ដោយ Charlie
ឧស្សាហកម្ម
3
0
0
0
0
0
គ្រោះថ្នាក់
Phosphor-Tin: Sponge Tin and Stick Phosphorus Layered in Charcoal and Heated in a Sealed Crucible (Berthold, US 658,230)
ដោយ Charlie
គ្មានកាបូន
1
0
0
0
0
0
Rubber Squeeze Bulb: Latex Coagulated Inside a Split Mould Coated with Calcium Nitrate (Szegvari, Anode, US 1,949,502)
ដោយ Charlie
ឧស្សាហកម្ម
3
0
0
0
0
0
Activated Alumina: Aluminium Trihydrate Heated at 350 °C While Hot Air Carries the Steam Away (Derr, Alcoa, US 2,015,593)
ដោយ Charlie
គ្មានកាបូន
1
0
0
0
0
0
គ្រោះថ្នាក់
Cobalt Molybdate Catalyst: Acid-Washed Alumina Impregnated to 6.5 % Molybdenum and 0.8 % Cobalt, Pelleted (Hoog, Shell, US 2,608,521)
ដោយ Charlie
គ្មានកាបូន
4
0
0
0
0
0
គ្រោះថ្នាក់
Cobalt Nitrate: Cobalt Oxide Dissolved in Nitric Acid (Thorpe 1912)
ដោយ Charlie
គ្មានកាបូន
2
0
0
0
0
0
គ្រោះថ្នាក់
Regular Gasoline, Research Octane 95.7: Cracked Gasoline, Reformate, Polymer, Iso-hexanes and Hydro-treated Gasoline with 2.7 cc Lead (Gulf, US 3,071,535)
ដោយ Charlie
កាបូនិក
1
0
0
0
0
0
Hydro-treated Gasoline: Cracked Light Gas Oil and Isoheptanes Desulphurised with Hydrogen over Cobalt Molybdate at 700 °F (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
Iso-hexanes and Isopentane: Light Straight-Run Gasoline Isomerised over Platinum-Alumina with Hydrogen (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
Polymer Gasoline: Propylene from Cracked Gas Polymerised over Phosphoric Acid (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
2
0
0
0
0
0
គ្រោះថ្នាក់
Silica-Alumina Cracking Catalyst, 85 % Silica and 15 % Alumina: Water Glass Gelled with Acid, Alumina Precipitated on It (Thomas & Ahlberg, UOP, US 2,285,314)
ដោយ Charlie
គ្មានកាបូន
4
0
0
0
0
0
Coker Gas Oil and Petroleum Coke: Vacuum Residue Delayed-Coked at about 920 °F (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
Heavy Gas Oil: the 620-1,050 °F Cut from Atmospheric and Vacuum Distillation of Crude Oil (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
គ្រោះថ្នាក់
Premium Gasoline, Research Octane 102.7: Alkylate, Reformate, Light Cracked Gasoline and Isopentane with 2.7 cc Lead (Gulf, US 3,071,535)
ដោយ Charlie
កាបូនិក
1
0
0
0
0
0
Isopentane: the 29-30 °C Cut of the Lightest Gasoline (Mabery & Hudson 1897)
ដោយ Charlie
កាបូនិក
1
0
0
0
0
0
គ្រោះថ្នាក់
Tetraethyl Lead: Steam-Distilled from the Reaction Mass in Water Brought to pH 7.5 with Dilute Sulphuric Acid (Bake & Parmelee, du Pont, US 2,038,703)
ដោយ Charlie
កាបូនិក
1
0
0
0
0
0
គ្រោះថ្នាក់
Tetraethyl Lead Reaction Mass: Lead-Sodium Alloy Activated with Aluminium Chloride, Treated with Ethyl Chloride at 35-90 °C (Calcott, du Pont, US 1,962,173)
ដោយ Charlie
កាបូនិក
4
0
0
0
0
0
គ្រោះថ្នាក់
Ethyl Chloride: Hydrogen Chloride into Boiling Alcohol over Zinc Chloride (Groves 1874)
ដោយ Charlie
កាបូនិក
1
0
0
0
0
0
គ្រោះថ្នាក់
Isobutylene-Free C4 Fraction: Isobutylene Taken Out with 65 % Sulphuric Acid in Two Stages, 100 °F and 60 °F (Packie & Rupp, US 2,424,186)
ដោយ Charlie
ឧស្សាហកម្ម
2
0
0
0
0
0
Cracked C4 Cut: Cracking-Still Gas Liquefied and Split in Four Columns at 200 psi (Eastman, Texas Co., US 2,014,724)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
Normal Butylene Fraction: Cracked-Gas C4 Cut Extractively Distilled with Aqueous Acetone (Long, Standard Oil Development, US 2,449,610)
ដោយ Charlie
ឧស្សាហកម្ម
1
0
0
0
0
0
គ្រោះថ្នាក់
Aluminium Chloride Hexahydrate: Hydroxide in Strong Hydrochloric Acid, Ether Added, Saturated with Hydrogen Chloride (Thorpe 1912)
ដោយ Charlie
គ្មានកាបូន
1
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 418