252

Point of view:
 Developmentof Kilns for Pottery - …………………………………77
 Yusuke Moriyosh1

Reviews･
 The Impact of Calcium Aluminate Cement Hydration upon the Propertiles of Refractory Castables ..78
 Chlistopher Parr, Fabien Simonin, BrunoTouzo,Chistoph Wohrmeyel,Benoit Valdelievre and Akihiko Namba

 On the Present Status of Seawater Magnesia Manufacuturing ‥‥‥‥‥‥‥‥‥‥79
   Akira Yoshida

Reports;
 Suppression of Heat Loss of Moten Steel through the Continuous Casting Nozzle   ..100
    Taku Kitamura､Shinsuke Inoue,Yukio Okawa､Masanori Ogata and Shuji Shike

 Effect of TiO2 Concentration Properties of MgO TiO2･A12O3 Clinker and MgO Refractories with Clinker Addition  ..105
      Hiroshi Makino, Toyoyasu Obana andAkihiroTsuchinari

 Efflect of Humic Substances in Ball Clays on the Dispersion and Shaping Properties of Firebrick Bodies  …109
      TadaoTeraushi and Tsuyoshi Hayash1

 Development of Castable for RH Degassers･･･116
      Hiroki Tsubota .Iwao Yamada, Hirokatsu Hattanda and Shigeru Morimoto

 Technology for Recycling Unshaped Refractories....123
      Hisaharu Sasaki, Tomoaki Wakae and Makoto Namba

 Spalling Resistance and Physical Behavior of MgO-C Refractories at  High Temperature,.､.128
      Toshihiro Suruga, Eiichirou Hatae,Toshiyuki Hokii and KeisukeAsano

 Results for Chrome･free Bricks in the Burning Zone of Cement Rotary kilns…………・ 132
      Tamiatsu Koyake Eishi Iida and Hironobu Hala

CoffeeBreaks
 How to Enjoy a Rose..…….…138
      Kiyoharu Kuwabara


Lectures: Evaluation of Themal and Mechankal Properties of Refractories-Fundamenlals and Applications-

 1.2 Thermal Conductivity-Application(1)……………………………………………139
      Yoshimitsu Hayakawa and Yoshitoshi Saito

 l.3 Thermal Conductivity-Application(2)  
Thermal Conductivity Measurlment Technjques for  Carbon-Containing Refractories (Focusing Laser-Flash Stepwise Heating Methods)………143
      Yoshitoshi Sailo

 2.1Thermal Expansjon-Fundamentals            -151
      Zenbe-e Nakagawa

2.2 ThermaI Expansion一Application        -159
     Hiroshi Minamizono

Data(2)-Thermal Expansion 167
     KIiji Matsushita