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P63] B. McMahon, CIFTEX. A Filter for Translating a Crystallographic Information File to a TeX File, International Union of Crystallography, 5 Abbey Square, Chester, UK,. 1992. p64] D. Knuth The TeXBook, Addison Wesley Longman, 1988. 

Every continent, except Antarctica, grows com 40% of the present world crop is produced in the United States. In the 1987—1988 crop year, 12 states (Iowa, HI., Nebr., Minn., Ind., Ohio, Wis., Mo., S. Dak., Mich., Kans., and Tex. in order of production) produced 157.5 million metric tons (6.2 biUion bushels) that was 88% of the United States and 36% of the world s crop (66). Yield is influenced by many factors, including climate, pest control, planting density, and fertilization. Yield in the United States has increased from about 1.5 metric tons /hectare in the 1930s to about 7.5 metric tons /hectare. In 1985, a test plot produced 23.2 metric tons /hectare and yields approaching 40 metric tons /hectare are considered possible com is the most productive of the principal food crops. 

W. C. EdxnisX.eT, Applied Hydrocarbon Thermodynamics, Gulf Publishing Co., Houston, Tex., 1961. 

R. Krishna and R. Taylor iu N. P. Chemetisiuoff, ed.. Handbook for Heat and Mass Transfer Operations, Vol. 2, Gulf Publishing Corporation, Houston, Tex., 1986. 

In 1968 a new methanol carbonylation process using rhodium promoted with iodide as catalyst was introduced by a modest letter (35). This catalyst possessed remarkable activity and selectivity for conversion to acetic acid. Nearly quantitative yields based on methanol were obtained at atmospheric pressure and a plant was built and operated in 1970 at Texas City, Tex. The effect on the world market has been exceptional (36). 

Eastman Kodak Company The Goodyear Tire and Rubber Company, Chemical Division Kingsport, Term. Bayport, Tex. c c... 

Ma.nufa.cture. AU. manufacturers of butynediol use formaldehyde ethynylation processes. The earliest entrant was BASF, which, as successor to I. G. Farben, continued operations at Ludwigshafen, FRG, after World War II. Later BASF also set up a U.S. plant at Geismar, La. The first company to manufacture in the United States was GAF in 1956 at Calvert City, Ky., and later at Texas City, Tex., and Seadrift, Tex. The most recent U.S. manufacturer is Du Pont, which went on stream at La Porte, Tex., about 1969. Joint ventures of GAF and Hbls in Mad, Germany, and of Du Pont and Idemitsu in Chiba, Japan, are the newest producers. 

Technical Practices Committee, Materials Peformance, Vol. 15, National Assoc, of Corrosion Engineers, Houston, Tex., 1976, pp. 4, 13. 

World Methanol Conf. (San Francisco, Calif., Dec. 1—3, 1987) Crocco and Associates, Houston, Tex. 

Storage and Handling of S hell JAeodol Detergent Alcohols, Ethoyylates, andEthoyysulfates, SC 133—179, SheH Chemical Company, Houston, Tex., 1979. 

Shell Chemical, Deer Park, Tex., U.S. 27 2-ethylhexanol propjiene... 

Physical Properties Manual, Celanese Chemical Company, Dallas, Tex., 1981. 

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