It is probably safe to assume that almost any scotch pine could be crossed with almost any other scotch pine . 可以有把握地這樣設(shè)想,幾乎任何的蘇格蘭赤松都能和其他任何的蘇格蘭赤松雜交。
Base on discuss , choosing mongolian scotch pine and manchurian ash as experiment species , using three kinds of wood fire - retardant treatment methods which included soaking at some pressure , pressurized soaking under ultrasonic wave and the pressurized soaking under ultrasonic wave after treated by microwave , the result is that ultrasonic wave may apply in wood fire - retardant treatment production 在討論的基礎(chǔ)上,以樟子松和水曲柳為木材試樣,選擇壓力浸漬、超聲波加壓浸漬和微波處理后超聲波加壓浸漬3種木材阻燃處理方法,經(jīng)過(guò)試驗(yàn),說(shuō)明在生產(chǎn)阻燃木材的浸漬方法中引入超聲波技術(shù)是可行的。