有关木材在贮存期间的保护问题,尤其是长期户外贮存条件下的适当保护问题已经普遍引起注意。在美国这一项研究系由木材工程公司,木制品试验所承担。研究的目的是找出能供实际应用的新方法,进行普及推广。这一项研究早在1951年就已经开始,先是作了全国范围内的实际调查,调查结束后,进行了实验室试验,以取得初步研究资料。实验室试验结束后,于1952年11月开始了野外试验,在全国代 The issue of the protection of wood during storage, in particular the issue of adequate protection under long-term outdoor storage conditions, has gained widespread attention. In the United States, a study by the timber engineering company, wood products testing commitment. The purpose of the research is to find new ways for practical application and to promote it. As early as 1951, this study began. The first survey was actually conducted nationwide. After the investigation was completed, a laboratory test was conducted to obtain preliminary research data. After the end of the laboratory test, a field experiment was started in November 1952 in the country