《Chemistry of Coal Utilization》

1．Origin,Petrography,and Classification of Coal＆BRYAN C．PARKS,Bureau of Mines,United States Department of Interior,Pittsburgh,Pennsylvania．1

2．Physical Properties of Coals＆H．TSCHAMLER AND E．DE RUITER,Union Carbide European Research Associates S．A．,Brussels,Belgium35

3．Mechanieal-Properties＆R．L．BROWN AND F．J．HIORNS,British Coal Utilisation Research Association,Leatherhead,Surrey,England119

4．The Plastic Properties of Coal＆R．LOISON,A．PEYTAVY,A．F．BOYER,AND R．GRILLOT,Centre d＇Etudes et Recherches des Charbonnages de France,Paris150

5．Coal Analysis and Mineral Matter＆W．H．ODE,Bureau of Mines,U．S．Department of Interior,Washington,D．C．202

6．Chemical Constitution and Reactions of Coal＆I．G．C．DRYDEN,British Coal Utilisation Research Association,Leatherhead,Surrey,England232

7．Storage,Handling,and Transportation＆W．s．LANDERS AND D．J．DONAVEN,Bureau of Mines,U．S．Department of Interior,Denver,Colorado296

8．Cleaning and Preparation＆D．R．MITCHELL AND H．BEECHER CHARMBURY,The Pennsylvania State University,University Park,Pennsylvania．312

9．Pyrolytic Reactions of Coal＆HENRY C．HOWARD,Bureau of Mines,U．S．Department of Interior,Pittsburgh,Pennsylvania．340

10．Low-Temperature Carbonization＆PHILLIP J．WILSON,JR．AND J．D．CLENDENIN,United States Steel Corporation,Pittsburgh,Pennsylvania．395

11．High-Temperature Carbonization＆W．BEIMANN,H．S．AUVIL,AND D．C．COLEMAN,Allied Chemical Corporation,New York,New York．461

12．Solid Products of Carbonization＆CH．G．THIBAUT,Association Technique de la Sidérurgie Francaise,Paris494

13．Low-Temperature Tar＆CLARENCE KARR,JR．,Bureau of Mines,U．S．Department of Interior,Morgantown,West Virginia539

14．High-Temperature Tar＆J．F．WEILER,Allied Chemical Corporation,Edgewater,New Jersey580

15．Light-Oil and Other Products of Coal Carbonization＆R．MUDER,Koppers Company,Pittsburgh,Pennsylvania．629

16．Briquetting＆D．C．RHYS JONES,Coal Research Establishment,National Coal Board,United Kingdom675

17．Thermodynamics and Kinetics of Combustion of Solid Fuels＆M．W．THRING AND R．H．ESSENHIGH,University of Sheffield,England754

18．Combustion Processes＆RALPH A．SHERMAN AND BERTRAND A．LANDRY,Battelle Memorial Institute,Columbus,Ohio773

19．Coal Ash-Its Effects on Boiler Availability＆F．G．ELY AND D．H．BARNHART,The Babcock ＆ Wilcox Co．,Alliance,Ohio820

20．Coal Gasification＆C．G．YON FREDERSDORFF AND MARTIN A．ELLIOTT,Institute of Gas Technology,Chicago,Illinois892

21．Underground Gasification of Coal＆JAMES L．ELDER,Bureau of Mines,U．S．Department of Interior,Grand Forks,North Dakota1023

22．Hydrogenation of Coal and Tar＆E．E．DONATH,Koppers Company Inc．,Pittsburgh,Pennsylvania．1041

23．Nonfuel Uses of Coal＆RICHARD A．GLENN,Bituminous Coal Research,Inc．,Monroeville,Pennsylvania．1081

Author Index1101

Subject Index1129