ultra- low temperature
61Diesel fuel — Diesel oil redirects here. Sometimes diesel oil is used to mean lubricating oil for diesel engines. Diesel fuel (  / …
62Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
63Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
64Pebble bed reactor — Sketch of a pebble bed reactor in Italian …
65Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
66Metamorphic facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite …
67Glass transition — The liquid glass transition (or glass transition for short) is the reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle state into a molten or rubber like state …
68Polyethylene — or polythene (IUPAC name poly(ethene)) is a thermoplastic commodity heavily used in consumer products (notably the plastic shopping bag). Over 60 million tons of the material are produced worldwide every year. Description Polyethylene is a… …
69Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …
70Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa …
