松香酸

Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.

研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。

Application of natural products in slow/controlled-release fertilizes was reviewed. Rosin、humic acid、lignin、Vegetable oil and natural rubber applying in coaling fertilizer were indroduced emphatically.

摘要综述了国内外几种天然产物松香、腐殖酸、木质素、多聚糖、植物油、天然橡胶在缓／控释肥料中的应用情况，看重介绍了这几种天然产物在包膜肥料中的应用现状。

The insects feed activities of some Schiff bases and amides derivatives of pine resin acidswere investigated by using of leaf plate method for the first time.

采用叶碟法首次对部分松香树脂酸Schiff碱及酰胺衍生物对昆虫的取食活性进行了研究。

Keywords alkyd modified t-octylphenolic resin;pentaerythritol;linseed oil;rosin;octylphenolic resin;rotary printing ink

醇酸改性辛基酚醛树脂；季戊四醇；亚麻油；松香；辛基酚醛树脂；轮转油墨

The basic concepts of coatings function, composition, classification. Various coatings: drying oil, rosin and lacquer, alkyd resin and polyester coating, amino resin coating, acrylic acid resin coating, epoxy resin coating, polyurethane coating, elementary organic resin coating. Several new coatings: high solid-constituent coating, water soluble coating, powder coating, light-sensitive coating, anti-corrosion coating, flame-retarded coating, anti-contamination coating, color changing coating, conductive coating and magnetic coating, aeroplane and aerospace dope.

涂料的基本概念：涂料的功能、基本组成、分类；各种涂料的制造及应用：干性油、松香与大漆，醇酸树脂与聚酯涂料，氨基树脂涂料，丙烯酸树脂涂料，环氧树脂涂料，聚氨酯涂料，元素有机树脂涂料；几种新型涂料简介：高固体分涂料，水性涂料，粉末涂料，光敏涂料，防腐蚀涂料，防火涂料，防污涂料，变色涂料，导电涂料和磁性涂料，航空航天特种涂料。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。