Activated rosin cored tin solder wire
活性松香焊锡丝
The synthesis of cationic rosin ester
阳离子松香酯的合成
colorless rosin pentaerythritol ester
无色松香季戊四醇酯
ACTIVTED ROSIN CORED TIN SOLDER WIRES
活化松香焊锡丝
Pinus massoniana with high rosin content
高脂马尾松
high boiling solvents lignin modified rosin
木质素改性松香树脂
DETERMINING GARDNER COLOR SCALE OF GUM ROSIN
加纳色度法测定脂松香的颜色
The rosin can be a chemicallymodified rosin.
该松香可以是化学改性的松香。
Functional polymer of rosin allyl alcohol ester
功能化松香丙烯醇酯
Preparation and Application of Hydrogenated Rosin
氢化松香制备与应用
Sample pretreatment and determination of sulfur in rosin
松香试样预处理及硫量的测定
Anionic Neutral Dispersion Rosin Size and its Application
阴离子中性分散松香胶及其应用
A bow needs rosin just like a police car needs prisoners.
琴弓需要松香，就像警车需要犯人。
Shuxiang, Rosin I walked with an unforgettable childhood.
书香，松香伴我走过了难忘的童年。
Maleic rosin were prepared from rosin and maleic anhydride.
以松香和马来酸酐为原料, 制备出马来松香。
DEVELOPMENT OF RESEARCH ON CATALYTIC ESTERIFICATION OF ROSIN
松香催化酯化反应研究进展
Test method for qualitative detection of rosin in varnishes.
清漆中松香的质量检测的测试方法
Preparation of screen printing agent of aqueous rosin adduct.
生物大分子加合物的检测及其在环境风险性评价中应用
Cationic dispersing rosin size and its preparation technology
阳离子分散松香胶及其制备技术
The methods of purification for rosin were reviewed in detail.
较全面地论述了松香的精制和提纯方法。
It has Great Potentialities to Develop Rosin Industry in Yunnan
云南发展松香产业大有潜力
STUDY ON THE ESTERIFICATION OF ROSIN CATALYZED BY ALKYL STANNATE
烷基锡酸催化松香酯化反应的研究
A cheap method for the purification of black rosin is presented.
介绍了一种廉价的净化黑松香的方法。
A Preliminary Study on Wet End Chemistry of Rosin Emulsion Sizing
阴离子分散松香胶施胶过程中湿部化学的探讨
The world gum rosin production appeares to decline in recent years.
目前世界上脂松香生产在大多数国家出现下降趋势。
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