查询词典 urushiol

This paper synthesizes the Cu(superscript 2+) schiff base complex of disproportionated rosin amine, and catalyzes urushiol oxypolymerization to polymer.

研究了歧化松香胺席夫碱－铜配合物的合成及其对漆酚氧化聚合反应的催化性能。

Urushiol 40-80%, gum and nitrogen 6-14%, water 14-40%.

一般生漆中约含有漆酚40~80%，树胶质和含氮物6~14%，水分14~40%。

The sensor uses urushiol resin as a carrier.

以漆酚树脂为载体，研制了测定医用药品盐酸氟桂嗪的电位型化学传感器。

The results show that the urushiol dimer has the similarstructure with this compound.Therefore,we concluded that thestructure of alkyl phenyl ether is main structure formed in urushiolpolymerization.

合成并用2D—NMR方法研究了烷基芳醚化合物：2—丁基苯醚此化合物的NMR数据进一步确证了烷基芳醚型漆酚二聚体的存在。

Rational reaction condition is that ratio of the Cu(superscript 2+) schiff base complex of disproportionated rosin amine is 3%, urushiol concentration is 68.8 g/L, the system of reaction reacts 36 h at 30℃ in alcohol dissolvent.

结果表明，氧化聚合反应的理想条件是以乙醇为溶剂，加入3%歧化松香胺席夫碱－铜配合物催化剂，漆酚浓度为0.0688g/ml，在30℃下反应36h后，漆酚聚合物的沉淀得率为51.3%。

Saturated urushiol crown ether ; lead ion ; ionselective electrode

饱和漆酚冠醚；铅离子；离子选择电极

Urushiol compositions of Chinese lacquer samples from 60 single trees were determined by GC. Film properties including surface drying time, luster value, shock strength, adhesion and flexibility were tested according to standard methods for coating.

本文作者用气相色谱法测定了约60个单株生漆样品的漆酚组成；同时用涂料标准方法测定了这些样品的漆膜的表干时间、光泽值、冲击强度、附着力、柔韧性等。

The structures and configurations of other components weredetermined too.The results show that the structure of components ofChinese lacquer urushiol are the same as components of Japaneselacquer. In this work,2D-heteronuclear relayed coherence transferspectroscopy plays an important role in determining molecularskeleton carbon linkage.

研究结果表明，中国生漆漆酚中含量最大并起关键作用的两双键共轭的三烯漆酚的结构与构型与日本漆中的该组分完全相同，即都有末端甲基的3—十五碳烯烃（8′Z，11′E，13′Z）邻苯二酚，而没有末端双键的存在，其它几个漆酚主要组分的结构也与日本漆酚对应组分基本相同。

The methodrapidly separates a large amount of different kinds of urushioldiacetates.Because the silver ion is very sensitive to theconfiguration and the degree of unsaturation of the unsaturated bonds,urushiol diacetate were well separated.

本文采用涂渍〓的离心旋转薄层层析法，发挥分离速度快，分离量大，固定相利用率高，分离效果好及〓对双键位置及构型作用灵敏等优点，因而使乙酰化漆酚达到了满意的分离。

Specimens of urushiol several centuries old have found to cause dermatitis in sensitive people.Derived from urushi , Japanese name for lacquerPoison-oak is usually a shrub , though it sometimes becomes a vine several inches in diameter that grows high into the oak trees attached by air-roots. The leaves DO come in threes. They are shiney, without prickers, and the middle leaf has a distinct stalk.Poison Oak is highly variable.

十年前，乔纳森和莎拉在大学里相识，乔纳森对莎拉一见钟情，但莎拉相信命运，她虽然肯接受他，但却希望有奇迹出现证明彼此的爱：一副丢失的羊绒手套，一张手写的5美元帐单便签，甚至是第一版名册中的一个电话号码，所有的一切都要如她所愿，最终两人选择了分开的方式来检验彼此的爱。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。