1) Heavy fraction of gum turpentine
重级松节油
2) light oil
优(级松节)油
3) heavy turpentine
重质松节油
1.
The hydration reaction catalyzed by the ion-exchange resin,was used to reduce the content of caryophyllene in the heavy turpentine and get the longifolene of high purity.
以离子交换树脂作催化剂,利用水合反应降低重质松节油中的石竹烯含量,再经过提纯获得高纯度的长叶烯。
2.
The experiment result showed that the catalytic reaction can reduce the β-caryophyllene content of(semifini-)shed longifolene products which were obtained by rectification from heavy turpentine.
以重质松节油通过精馏得到的长叶烯半成品为原料,通过催化反应降低原料中的β-石竹烯含量,制备含量为80%、85%、90%(色谱检测)的高纯度长叶烯产品,收率可达到97。
4) heavy turpentine oil
重质松节油
1.
Constitution analysis of heavy turpentine oil treated catalytically by heteropoly acid;
用杂多酸催化处理的重质松节油组成分析
2.
A new process for preparing isolongifolene isomerized directly from heavy turpentine oil was studied.
探讨了以重质松节油为原料进行直接异构化制备异长叶烯的新工艺,选出了较为理想的GOn4-/TiO2(A)固体超强酸催化剂,确定了较好的反应条件为:催化剂用量为原料质量的1%～2%、异构化反应温度190～200℃,反应时间4h,异长叶烯得率达到90%以上,为工业化生产异长叶烯探索了一条"绿色"新工艺途径。
3.
This article introduces the preparation method of @-caryophyllene alcohol based on heavy turpentine oil via hydration, separation and purification, the product purity can reach 99.
本文介绍了重质松节油经水合反应、分离提纯制备β-石竹烯醇的方法,产品纯度可达99。
5) nodular branch of pine
松节油;油松节
6) wood naval stores
松脂;松节油
补充资料：重级
1.指层层阶次。 2.指最高层。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条