**a**|

**b**|

**c**|

**d**|

**e**|

**f**|

**g**|

**h**|

**i**|

**j**|

**k**|

**l**|

**m**|

**n**|

**o**|

**p**|

**q**|

**r**|

**s**|

**t**|

**u**|

**v**|

**w**|

**x**|

**y**|

**z**

** Nullifying of magnetic field in space in continuous enclosures
**

** Number fraction n-mers as a function of n for several values of p.
**

** Number of condensate streams in a horizontal bundle. Used by permission
**

** Number of design schemes generated at system and subsystem level
**

** Number of forecast days of high air pollution potential per 5 years , Source
**

** Number of PMNs received by EPA
**

** Number of publications on active carbon fibers between 1981 and 1997 .
**

** Number of teeth in 3.1416 inches of a rack or straight-line gear
**

** Number of teeth in 3.1416 inches on the pitch circle
**

** Numbering conventions for selected borane polyhedra discussed in text.
**

** Numbering plates and concentrations in a bubble tray column.
**

** Numbering pumps like this leads to error.
**

** Numbering scheme for 1,3-butadiene, 1.
**

** Numerical estimates of P f versus frequency for four elementary CA rules see text.
**

** Numerical study of random fragmentation.
**

** Numerical test of the reciprocal relations in Eqs. . The phase is odd in .
**

** Nuts fitted incorrectly to studs.
**

** Nutter BDH Float valve tray with downcomer. Used by permission, Nutter Engineering, Harsco Corp.
**

** Nutter MVO high performance fixed valve tray with 4
**

** Nutter Ring . Used by permission of Nutter Engineering, Harsco Corp., Bull. NR-2.
**

** Nutter V-Grid fixed valve for trays. Used by permission, Nutter Engineering, Harsco Corp., Bui. N-2.
**

** nylon plastics consumption from 1967—1994. 1992 and 1993 consumption figures include Canada.
**

** Nyquist diagram for system in Figure 6.20.
**

** Nyquist diagram showing stable and unstable contours.
**

** O-ring backed up by miter ring to seal vessel .
**

** O2 bridges in dinuclear cobalt complexes
**

** Oak water pipe over 200 years old laid above ground in the Wadgassen Abbey .
**

** Object-oriented representation.
**

** Objectives of the Introduction to Design Chapter
**

** Objectives of the introduction to Design Chapter
**

** Oblique-incidence evaporation .
**

** Observed temperature profiles.
**

** Observed textures of mesophase piteh-based earbon fibers .
**

** Observed vs. calculated rates of hydrolysis of enamines at 24.8 . Drawn lines
**