ค้นเจอ 54 รายการ

Bright Annealing 2

แปลว่า(english) The process of annealing in a protective atmosphere so as to prevent discoloration of the bright surface desired.

ABSOLUTE PRESSURE

แปลว่า(english) The indicated value of the weight of the earth's atmosphere. At sea level, this value is approximately 14.65 psi (pounds per square inch).

axis of sphere

แปลว่าเส้นผ่าศูนย์กลางของวงกลม

atmosphere

แปลว่าบรรยากาศ

Reaeration

แปลว่า(Environmental Engineering) The dissolving of molecular oxygen from the atmosphere into the water.

magdeburg hemispheres

แปลว่าเครื่องทดลองความดันของอากาศแบบโลหะ กึ่งทรงกลมสองซีกประกบกัน

Boron (chemical symbol B)

แปลว่า(english) Element N. 5 of the periodic system. Atomic weight 10.82. It is gray in color, ignites at about 1112 (degrees) F. and burns with a brilliant green flame, but its melting point in a non-oxidizing atmosphere is about 4000 (degrees) F. Boron is used in steel in minute quantities for one purpose only- to increase the hardenability as in case hardening and to increase strength and hardness penetration.

Bright Annealed Wire

แปลว่า(english) Steel wire bright drawn and annealed in controlled non-oxidizing atmosphere so that surface oxidation is reduced to a minimum and the surface remains relatively bright.

Gas stripping

แปลว่า(Environmental Engineering) Gas transfer of an undesirable gas from a water stream to the atmosphere.

axis of a sphere

แปลว่าเส้นผ่าศูนย์กลางของลูกกลม

Moist Room

แปลว่า(Concrete Engineering) A room used for storing and curing cementitious test specimens. The atmosphere of this room is maintained at a temperature of 73.4 3.0'F or 23.0*1.7'0 and relative humidity of at least 98 percent. These facilities must be adequate to continually maintain free moisture on the exteriors of test specimens.

Bright Annealing

แปลว่า(english) A process carried out usually in a controlled furnace atmosphere, so surface does not oxidize, remaining bright.