Pyrolytic carbon — is a material similar to graphite, but with some covalent bonding between its graphene sheets as a result of imperfections in its production.Generally it is produced by heating a hydrocarbon nearly to its decomposition temperature, and permitting … Wikipedia
Pyrolytic chromium carbide coating — (PCC) is a technology for protection and reworking of rapidly wearing parts of manufacturing equipment working in extreme environmental conditions, using vacuum deposition technology. Coating mechanical parts can help with problems of corrosion,… … Wikipedia
PCC Coating — Pyrolytic Chromium Carbide Coating is a technology for protection and reworking of rapidly wearing parts of manufacturing equipment working in extreme environmental conditions, using vacuum deposition technology. Coating mechanical parts can help … Wikipedia
Pyrolysis — is the chemical decomposition of organic materials by heating in the absence of oxygen or any other reagents, except possibly steam.It is used in chemical analysis to break down complex matter into simpler molecules for identification, for… … Wikipedia
Pebble bed reactor — Sketch of a pebble bed reactor in Italian … Wikipedia
Smoking pipe (tobacco) — This article is about pipes used for smoking tobacco. For information about the practice of pipe smoking, see Pipe smoking. Parts of a pipe include the (1) bowl, (2) chamber, (3) draught hole, (4) shank, (5) mortise, (6) tenon, (7) stem, (8) bit… … Wikipedia
Vacuum engineering — deals with technological processes and equipment that use vacuum to achieve better results than those run under atmospheric pressure. The most widespread applications of vacuum technology are: * Pyrolytic Chromium Carbide Coating * Antireflecting … Wikipedia
Combustion chemical vapor deposition — (CCVD) is a chemical process by which thin film coatings are deposited onto substrates in the open atmosphere. Contents 1 History 2 Principles and procedure 3 Remote combustion chemical v … Wikipedia
Nuclear fuel — Process … Wikipedia
wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… … Universalium
