lac resin
英 [læk ˈrezɪn]
美 [læk ˈrezn]
虫胶树脂；紫胶树脂
双语例句
- The purification of lac red pigment using macroporous absorption resin was investigated in this paper.
研究大孔吸附树脂吸附精制紫胶红色素的工艺。 - Results indicated that the dissolving process of lac resin in sodium carbonate was an acid-base reaction in a zero grade mode.
对紫胶树脂的溶解前期进行的动力学分析，证明其为零级反应。 - The experimental results showed that the molecular composition and structure of domestic lac resin was similar to that of the Indian lac resin.
结果证明国产紫胶树脂具有代表性的分子构成及分子结构与印度紫胶树脂相同。 - The results show that during the bleaching process, radical addition of chlorine to double bonds of lac resin is primary besides radical substitution of chlorine and oxidation of aldehyde and primary-hydroxyl group of lac resin and so on;
结果证明：漂白过程中，氯主要以自由基加成的方式进入紫胶树脂，同时还有氯的自由基取代和树脂上醛基、伯羟基的氧化反应。 - Investigating the property of hydrolysate of domestic lac resin, and based on the property differences between the salts of long chain aliphatic and terpene acids, aleuritic acid and shellolic acid were isolated.
研究了国产紫胶树脂水解物的性质，利用长链脂肪酸及环状萜烯酸某些盐类性质的差异，分离得到了紫胶桐酸和壳脑酸。 - Isolating and identifying shellolic acid from domestic lac resin
从国产紫胶树脂中分离鉴定壳脑酸 - The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.
本文研究了紫胶树脂在漂白和脱氯过程中分子量、热寿命、酸价、碘价、羟基值和氯含量的变化情况。 - Study on solubility of lac resin and volatilizing properties of solvents
紫胶树脂的溶解性及溶剂挥发性能的研究 - Preparation and utilization of modified lac resin for ink
油墨专用紫胶树脂的研制和应用 - Storage properties of bleached lac ⅳ. kinetics of halogenation of cyclic parts in lac resin
漂白紫胶贮存性质的研究（第四报）&紫胶树脂环状组分卤化反应动力学的研究 - Fourier infrared spectrum was used to differentiate raw lac, bleached las and lac mixed with resin.
利用傅里叶红外光谱分别对紫胶原胶、漂白紫胶、掺有松香的紫胶、接枝共聚紫胶进行了鉴别研究。 - STUDY ON STORAGE PROPERTIES OF BLEACHED LAC& ⅱ. Study on the Changes of Properties of Lac Resin During Bleaching Process
漂白胶贮存性质的研究（二报）&紫胶树脂在漂白过程中性质变化的研究 - From the experimental results obtained it was firstly confirmed that lac resin was composed of aliphatic and terpene acids in mole ratio 1 '1. The soft resin content of domestic lac was much higher than that of Indian lac.
首次用实验结果证明了紫胶树脂是由摩尔比1：1的链状脂肪酸及环状萜烯酸结合而成的。结果还表明国产紫胶中软树脂含量远高于印度紫胶； - Shellac which is also known as lac is a natural brown resin secreted by lac insects grown in tropical plants.
紫胶又叫做虫胶，是一种寄生于热带植物的紫胶虫分泌出的棕红色天然树脂。