论文部分内容阅读
一.绪言 1948年作者初到前国立安徽大学农学院时,因見于本省有大別山区、黄山山脉及天目山脉等林区,根据前人的調查有树木約百余种,出产木材除供本省外,尚行銷南京、上海一帶,但木材的性能及用途尚缺乏详实可靠的記載。为了解木村性能,以便結合教学和木材合理利用,乃根据当时学校設备条件,并希望在短期內取得結果,决定先从木材的主要物理性質如生材合水率、公定容重及
I. INTRODUCTION In 1948, when the author first came to Agronomy College of Anhui University of Nationalities, he found about 100 species of trees based on the survey conducted by his predecessor because of the presence in the province of Dabie Mountains, Huangshan Mountains and Tianmu Mountains. In addition, it is still marketed in Nanjing and Shanghai, but the performance and use of wood are still lack of detailed and reliable records. In order to understand the performance of the village, so as to combine the teaching and rational utilization of timber, it is based on the conditions of school equipment at the time and hope to achieve results in a short period of time. The decision is to start with the main physical properties of timber such as raw water rate,