rosin

noun

1. 松香
   a substance that a player uses on the bow of a musical instrument such as a violin so that it makes a better sound when it moves across the strings

1. Application Research Progress of Microwave Technology on Deep Processing of Rosin
   微波技术在松香深加工中的应用研究进展
2. A modified alkyd resin has been prepared based on soya oil fatty acid, rosin and waste PETP etc.
   选用豆油酸、松香、涤纶废丝等原料合成了改性醇酸树脂，用其制成的涂料具有优异的光泽和丰满度。
3. Release features and surface topography of coated urea with rosin and tung oil as film-forming materials;
   研究了化学镀锡预镀溶液的组成和工艺条件对镀层厚度和表面形貌的影响。
4. Synthetic method of rosin acid modified terephthalic unsaturated polyester resin ( TUPR) was studied.
   探讨了松香酸改性对苯型不饱和聚酯树脂的合成方法。
5. Organ-montmorillonite ( OMMT) modified rosin emulsion was prepared by inversion process.
   采用逆转法制备了有机蒙脱土改性松香乳液。
6. For functional polymer of rosin allyl alcohol ester, the static adsorption of ginkgo biloba flavone was22.
   研究了功能化松香丙烯醇酯聚合物吸附分离银杏黄酮的效果。
7. The alkyd modified t-octylphenolic resin was prepared by alcoholized linseed oil with pentaerythritol, rosin and octylphenolic resin.
   亚麻油用季戊四醇醇解后与松香对辛基酚醛树脂进行改性合成了醇酸改性辛基酚醛树脂。
8. Polymerized rosin is a modified products of gum rosin, contains abietic type acids.
   聚合松香是松香的改性产品，含枞酸型树脂二聚体。
9. Research Progress on the Epoxy Resins and Curing Agents Synthesized from Rosin
   松香合成环氧树脂及其固化剂的研究进展
10. The Application of rosin ester in hot melt adhesive ( HMA) and the compare between rosin ester and petroleum resin were summarized.
    概括了松香酯在热熔胶（HMA）中的应用情况，并将其与石油树脂作了比较；
11. Tannic acid The rosin and tannin that can be extracted from it are sought by the chemical industry.
    【化】鞣酸，丹宁酸从中提取的松香和鞣酸化学工业上是很需要的。
12. This paper mainly introduced the research and development of polyurethane foams, based on starch, rosin, plant oil, lignin and cellulose both at home and abroad.
    主要介绍了目前国内外利用淀粉、松香、植物油、纤维素、木质素等生物质原料用于合成聚氨酯泡沫塑料的研究进展。
13. Kinds of flotation collectors modified with fatty acid using oleic oil and rosin acid as raw materials were introduced.
    介绍了几种脂肪酸类矿物捕收剂改性产物，它们分别以油酸和松香酸作为出发原料。
14. Studies on the Kinetics of Thermal Oxidation of Rosin and Abietic Acid on the Polyethylene Film
    松香和枞酸在聚乙烯膜上氧化反应动力学研究
15. Rosin modified nonylphenolic resin was synthesized by one-step synthesis in laboratory.
    在实验室内用一步法合成了松香改性壬基酚醛树脂。
16. These rosin esters showed high sizing effectiveness under neutral and alkaline papermaking conditions.
    松香酯在中、性条件下表现了优良的施胶效率。
17. One of applications of rosin in PU paint is rosin ester resin modified polyisocyanate prepolymer.
    松香酯树脂改性多异氰酸酯预聚物是松香在PU涂料中应用的一个途径。
18. The production is estered from extra grade rosin and pentaerythritol.
    本品用季戊四醇与特级松香酯而成。
19. At the same time, the quality of the Honduras rosin and turpentine were improved by the authors.
    同时，对质量较差的洪都拉斯松香和松节油产品作了改进，达到中国同类产品的特级标准。
20. In this paper, the method of the synthesis of fumaric acid modified rosin was studied.
    富马松香由富马酸对松香经过加成改性而成。
21. The esterification reactions of rosin with ethanol, ethane glycol and glycol under the irradiation of microwave and ultrasound have been investigated in the present paper.
    该文对在微波和超声波辐照下的松香与醇的酯化反应进行研究。
22. Study of Polymerized Rosin Modified Phenolic Resin and Application in the Ink
    聚合松香改性酚醛树脂的研究及在油墨中的应用
23. The paper detailedly analysed and discussed the rosin applied in wax printing process, choice of dyes and dyeing technology.
    本文对松香蜡染的工艺流程、料的选择及染色工艺作了详细的分析和探讨。
24. In this paper, linear rosin ester sizer was synthesized from modified rosin and diethylene glycol.
    本文以改性松香和二甘醇为原料，合成线性松香酯。
25. Study of Preparation and Properties of Formaldehyde Rosin Epoxy Resin Modified by Organic Silicon
    有机硅改性甲醛松香环氧树脂的制备与性能研究
26. In this paper, the authors summarized the selection and utilization of slash pine propagation material with high-yield rosin.
    本文对湿地松高产脂繁殖材料选择和利用进行了总结。
27. Synthesis and Properties of the Prepolymer from Acrylic Acid Rosin and Ethylene Diglycidyl Ether
    丙烯酸松香与乙二醇二缩水甘油醚预聚体的合成和性能研究
28. The kind and amount of antioxidants and light stabilizers which affected the stability of colorless rosin pentaerythritol ester were studied.
    以无色松香季戊四醇酯的热稳定性、耐候性和储存稳定性为考察指标，对抗氧剂和光稳定剂的稳定化作用进行了研究。
29. Fumaropimaric acid was prepared from rosin and fumaric acid as raw materials.
    以富马酸和松香为原料制备富马海松酸。
30. Composition of vinyl ester of rosin and structures of the components were studied by GLC and various spectra.
    研究了国产特级松香树脂酸乙烯酯的组成与各组分的分子结构。

noun

1. any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules

   Synonym:    resin

verb

1. rub rosin onto
   1. rosin the violin bow