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- The primary biomass used for surfactant production usually is as follows: cellulose,lignin,starch,chitin,oil and fat and pine oleoresin(an exudate of pine trees) and so on. 开发表面活性剂的生物质资源有纤维素、木质素、淀粉、甲壳素、油脂和松脂等。
- Keywords biomass;cellulose;starch;pine oleoresin;surfactant; 生物质;纤维素;淀粉;松脂;表面活性剂;
- translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments 用松树的油性树脂制成的半透明的易碎物质，尤其用于清漆和墨水及装弦的弓上
- translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments. 用松树的油性树脂制成的半透明的易碎物质，尤其用于清漆和墨水及装弦的弓上。
- The pine trees defy severe cold. 松树不畏严寒。
- translucent brittle substance produced from pine oleoresin;used especially in varnishes and inks and on the bows of stringed instruments. 用松树的油性树脂制成的半透明的易碎物质，尤其用于清漆和墨水及装弦的弓上。
- It's a noted place for its pine tree and springs. 这是一个以松树和泉水著称的地方。
- There is a pine forest near our house. 我们家附近有片松树林。
- Pine trees were planted all along the river. 沿河两岸种着松树。
- They forested the mountains with pine trees. 他们在山上种植松树。
- Pine trees predominate the woods here. 这儿的树林中最多的是松树。
- Pine is a soft wood and teak is a hard wood. 松木是软木，柚木是硬木。
- The pine, cedar and spruce are evergreens. 松树、 雪松、 云杉都是常绿的树。
- Spruce and pine are evergreen trees. 云杉和松树都是常绿树木。
- The carpenter knocked up some kitchen units for us out of old pine. 木匠用老杉木为我们匆匆做了几件厨房用具。
- pine oleoresin [化] 松脂
- A raven perched high in the pine. 渡鸦高高地栖息在树上
- Amber is the resin of pine trees that grew very very long ago. 琥珀是古老的松脂。
- slash pine oleoresin 湿地松松脂
- Contents of 3-carene in oleoresin are as high as 8. 对云南德宏高含量3-蒈烯思茅松资源调查表明,其林分松脂的3-蒈烯含量为8。
