英国铸铁研究学会,在去年3月21~23日与5月29~30日曾经两度召开了关于化学硬化砂型的讨论会,先后有484人参加了这项问题的讨论.在1954年5月间,曾经作过第一次关于这项问题的讨论,并在1954年5月学会公报第279~281页中介绍了第一部分参考资料摘要.以下是去年讨论前所介绍的第二部分资料摘 British Cast Iron Research Society, in the March 21 ~ March 23 and May 29 ~ 30 twice held a seminar on the chemical hardening sand, there have been 484 people participated in the discussion of this issue in May 1954 The first discussion on the subject was preceded by the introduction of the first part of the reference summary in the Communiqué of May 1954, pp. 279-281. The following is a summary of the second part of the information presented before last year’s discussion