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Hydrogenated rosin is one of the dominant varieties of modified rosin and is widely used in industry.

氢化松香是松香改性产品的主要品种之一,有广泛的工业用途。

In a particular embodiment, a crop protection composition comprises a mononucleate solid crop protection particle coated with either wood rosin, rosin derivatives, waxes, fatty derivatives, sterols, long-chain sterol esters and sulfur.

在具体的实施例中,农作物保护组合物包括一种用木松香、松香衍生物、石蜡、脂肪衍生物、甾醇、长链甾醇酯及硫中之一加以包被的单核固体农作物保护颗粒。

Effects of the amount of fumaric acid, temperature and reaction time on the reaction were investigated. Fumaropimaric acid was purified by potassium-salt method.

分别考察了富马酸加入量、反应温度及反应时间时富马松香制备的影响,并使用钾盐法对制备的富马松香进行纯化得到富马海松酸。

In this paper, the research and application progress on quinolines, benzimidazoles, and furazan etc deviatives of rosin were reviewed. The research foreground of rosin-based heterocyclic compounds were also forecasted.

本文对喹啉、苯并咪唑、呋咱等系列松香基杂环化合物的研究进展进行了综述,并对松香基杂环化合物的研究前景进行了展望。

In agriculture, introduced a total investment of 60,000,000 yuan Zhangjiajie in Hong Kong and Vietnam's pig production and processing projects with a total investment of 12,000,000 yuan in Guangxi oak, Jiang Yun-Rosin Rosin's line item; in the flow of commerce in the area, the introduction of a supermarket Fung Choi, Maney Supermarket, High Tech Computer City furniture and other large-scale supermarkets, 6; in the development of urban construction, the completion of the He Long Sports Center, Division race, Kim Garden, Kangxi Trade City, pedestrian film, the natural gas pipeline network, such as a large number of investment projects Building.

在农业方面,引进了总投资6000万元张家界港越公司乳猪生产加工项目,总投资1200万元广西橡州运江松香公司松香生产线项目;在商贸流通领域,引进了丰彩超市、梅尼超市、宏达家私城等各类大型超市6家;在城市建设开发方面,完成了贺龙体育馆、科赛、金豪花园、康茜商贸城、影视步行街、天然气管网等一大批招商项目的建设。

Part I, the Friedel-Crafts acylation on DAA and methyl dehydroabietic acid was carried out with acetyl chloride, benzoyl chloride or phthalic anhydride as acylating regents, anh- ydrous aluminum chloride as catalyst and with different solvents to compare with, we have got t- hree new compounds.

第一部分,分别以脱氢松香酸和脱氢松香酸甲酯为底物,乙酰氯、苯甲酰氯、邻苯二甲酸酐为酰化试剂,无水三氯化铝作催化剂,采用不同的溶剂及反应条件进行傅克酰基化反应,得到3个新化合物。

These products are distilled and purified from gum rosin under vacuum and proper temperature, Used in electronic solder flux and as raw material for light-colored rosin resin, also used for ester gum.

该产品由脂松香在一定的温度和真空条件下经精制提纯而成;应用于电子助焊剂,浅色松香树脂及食用级酯胶原料。

That polyring aromatised hydrocarbons, dehydroabietic acid, other tricyclic diterpanoic acids and pentacyclic triterpanoic acids are not existed or in a much low amount in Zhaotong brown coal resin is distinguished from those resins isolated in Xundian, Liaohu, Shulan brown coal waxes in China.

稠环芳烃、松香酸、去氢松香等环状化合物含量很低或不存在,是昭通褐煤蜡与国内其它褐煤蜡组成的重大差别。

The study showed that rosin is not a skin sensitiser, but oxidised rosin is a sensitiser.

研究表明,松香不是皮肤致敏,但氧化松香(进入一个单独的 EINECS 号)是一个敏感剂。

In this paper, cationic rosin sizes were prepared by premixing anionic dispersed rosin size with extremely pure ployaluminum chloride with different basicities.

以不同盐基度的高纯聚合氯化铝为原料,按不同配比分别与阴离子分散松香胶,在一定条件下进行预混合反应,制得PAC改性阳离子分散松香胶。

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