查询词典 rosin

Thecompositions of raw material and products were identified with GC-MS, the results indicatedthat the products were composed of (β-acryloxyl ethyl) esters of dihydropimaric acid anddehydrogenated abietic acid, and their relative amounts was consistent with the amount ofdihydropimaric acid and dehydrogenated abietic acid in the disproportionated rosin.

论文还采用GC-MS对原料和产物的组分进行了鉴别，结果表明酯化产物由二氢海松酸酯和脱氢枞酸酯组成，且其相对含量与歧化松香中二氢海松酸和脱氢枞酸组成基本一致。

Results of test showed that DFA-PEG polyester and its derivant had excellentemulsification performance, and emulsion was exquisite and steady, the surfacetension and critical micelle concentration of DFA-PEG polyester and sulfatedDFA-PEG polyester were very low, DFA-PEG polyester terminated with rosin acid hadcertain antifoaming performance, but surface tension and CMC increase to extent.

性能测试表明，DFA-PEG聚酯及其两种衍生物均具有优良的乳化性能，乳液细腻且稳定；DFA-PEG聚酯及其硫酸酯盐水溶液的表面张力和临界胶束浓度较低：DFA-PEG聚酯松香酸酯还具有一定的抑泡性能，与DFA-PEG聚酯及其硫酸酯盐比，其水溶液表面张力和临界胶束浓度有所增加。

It is simple, that is, in a normal business card printing and membership card making of business card printing and membership card making, using the resin powder (the present use of rosin powder and the like) of spreading in paint, printing ink that is latent in the ink of powder, and then is able to make the business card printing and membership card making part of the carinal.

其方法极为简单，即在普通的制卡和会员卡制作物制卡和会员卡制作之后，使用树脂粉末（为香港目前所使用之松香粉之类）撒布在未干之油墨上，则粉末即融解在油墨里，然后加热就能使制卡和会员卡制作部分隆凸起来。

In this paper,firstly a series of acryloxyl derivatives were synthesized from the dehydrogenated abietic acid,a main composition of disproportionated rosin, through acyl chloridation and esterification.The derivatives included the (β-acryloxyl ethyl) esters of dehydrogenated abietie acid,(β-methacryloxyl ethyl) esters of dehydrogenated abietic acid and (β-methacryloxyl propyl)esters of dehydrogenated abietic acid.

论文首先以歧化松香中的主要成分脱氢枞酸为模型化合物，采用酰氯化、酯化手段合成了它的一系列丙烯酰氧基衍生物，包括脱氢枞酸酯、脱氢枞酸(β-甲基丙烯酰氧基乙基)酯和脱氢枞酸(β-甲基丙烯酰氧基丙基)酯。

Besides excellent performance in coopery business in domestic market, we began to provide coopery iron sheet and coopery machinery for foreign rosin and derivatives producers in 2003. We offer different iron sheet upon customer's requirement to satisfy theirs individual need and highly regarded by lot of customers.

肇庆金龙制桶公司由2003年开始，除了在中国国内的制桶业务得到蓬勃发展外，同时也为世界各国生产松香及深加工的企业提供松香桶配套板及组装松香桶的机械，并可按客户需求提供不同规格的配套板，大大方便了各种不同要求的客户，得到多方客户的认可和赞同。

In order to enhance wax on paper fibers of adhesion, the water is often Rosin derivant or carboxylated polymer emulsion, they are both on the paper fibers have very good adhesion, and wax and better compatibility.

为了增强蜡对纸纤维的附着力，在拔水剂中往往有松香衍生物或羧化高分子乳液，它们既对纸纤维有很好的粘附力、与蜡又有较好的相溶性。

The construction in the future: 6 produce 10000 tons of HFC-152a, the substitute of ODS and 4000 tons of HCFC-142b a year; 7 produce 7000 tons of HCFC-123 and 3000 tons of-113a; 8 build PEVE rosin production with annual output of 5000 tons; 9 produce 3000 tons of PVDF a year; 10 produce 2000 tons of fluorobenzene and 1000 tons of dichlor fluorbenzene a year; and 11 fluoride salt combine device with annual output of 3000 tons.

远期建设：6、ODS替代品HFC-152a年产1万吨联产HCFC-142b4000吨；7、年产HCFC-123产品7000吨、联产二氯三氟乙烷-113a产品3000吨；8、年产PEVE树脂5000吨生产线；9、年产3000吨PVDF氟碳涂料树脂；10、年产2000吨氟苯，二氯氟苯1000吨；11、年产3000吨氟化盐联产装置。

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。

The optimal conditions for the target product were obtained: reaction temperature 110 ℃, reaction time 1.5 h, NaOH dosage 1.2 g,molar ratio 3:1(disproportionated rosin glycide ester: the hydroxyl group per D-glucose unit), microwave power 700 W.

目标产物的最佳合成条件：反应温度110℃，反应时间1.5 h，NaOH用量1.2 g，摩尔比3：1（歧化松香缩水甘油酯：葡萄糖单元中羟基数）及微波功率700 W。

In the presence of DMAc/LiCl solvent, disproportionated rosin glycide-cassava starch ester was synthesized from cassava starch and modified disproportionated glycide ester under microwave irradiation. The effect of reaction conditions on the degree of substitution has been discussed.

在微波辐照下，以DMAc/L iC l为溶剂体系，歧化松香缩水甘油酯和木薯淀粉亲核开环反应得到歧化松香缩水甘油木薯淀粉酯，探讨了各反应因素对产物取代度的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。