spruce wood 中文意思是什麼
spruce wood
解釋
雲杉木-
Lignin composes about 15 ~ 36 % by dry weight in norway spruce wood and has to be removed in chemical pulping for the manufacture of high quality paper. a slight decrease of lignin in wood ' s is estimated to significantly reduce the consumption of environmentally harmful chemicals during chemical pulping
木質素的存在影響到紙漿和造紙的質量,所以在木材加工成紙漿的過程中,必須用大量的化學物質除去它,這樣不但增加生產成本,而且在處理過程中會給環境造成很大的污染。 -
Our products are made from wood ( spruce and fir tree ). for the kidney it is not harmful. we never heard about that
敝公司的產品是以雲杉及檜木製成,對腎臟無害,目前我們也從未聽過有這樣的事件。
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