内酯酸的

The effect of aluminate coupling agent on interfacial properties between bamboo powder and polycaprolactone was studied in this paper.

研究铝酸酯作为竹粉和聚己内酯的偶联剂对竹塑复合材料界面性能的影响。

There are two forms: lactone and carboxylate, and lactone is the valid form.

喜树碱类药物以内酯型和羧酸盐型2种形式存在，其中内酯型为公认的主要有效形式。

During these years (1997-2000) in the research area of annonaceous acetogenins 5 natural products and a number of chiral-pure analogs of annonaceous acetogenins have been synthesized using sugars as the starting materials. Their high activity and selectivity against cell line of colon tumor and a relationship between activity and configuration have been found too. In the respect of inhibitor of sialidase two new methodologies for the synthesis of chiral-pure 3-deoxy-ulosonic acid using hetero-Diels-Alder reaction or asymmetric propargylation as the key reaction were developed. On the topic of anti-leukemia marine natural product clavulactone a synthetic method based on the free radical cyclization and starting from sugar has been developed. In other title of PKC inhibited agent sphingosine a new synthetic route with SN2' as the key reaction has also been disclosed.

项目期间（1997-2000）在番荔枝内酯方面从糖出发合成了五个天然产物和一批手性纯的类似物，它们对肠癌细胞有很高的活性和选择性，并与构型有关；在唾液酸酶抑制剂方面发展了二类全新手性纯高碳糖的合成方法－杂原子D－A反应或丙炔基不对称加成为关键的反应；抗白血病海洋天然产物群柱虫内酯方面研究了由糖出发和自由基环化反应的合成方法；对PKC 起抑制作用的鞘氨醇方面也开创了新的合成途径－由糖出发并以SN2'反应为关键反应。

4R,5S,6R-5,6-Bis-allyl-6-aldehyde-γ-hexanelactone I-145 was prepared from D-arabinose by six steps. Compound I-145 underwent Mukaiyama-type intramolecular aldolization to produce bicyclooctane I-147 stereospecifically.

我们以D-阿拉伯糖为起始原料，经六步反应，得到(4R，5S，6R)-5， 6-二烯丙氧基-6-醛基-γ-己酸内酯I-145，然后I-145发生分子内的Mukaiyama式aldol缩合反应，完全立体专一性地得到环化中间体I-147。

In this article, we have been investigated that synthesizing and properties of shape memory polyurethane. The shape memory polyurethane was synthesized from PCL diol, MDI(4, 4'-diphenylmethane diisocyanate) and BDO (1,4-butanediol) in this experiment. We analyzed that the effect of differential mole ratio of monomers to synthesized SMPU. Besides, the various concentrations of Nano-silver were mixed with SMPU. Mechanical properties and shape memory behavior of SMPU nanocomposite films were investigated.

本研究目的为藉由改变4，4'-二苯甲基二异氰酸盐(4，4'-diphenylmethane diisocyanate， MDI)/聚己内酯二元醇(polycaprolactone diol， PCL diol)/1，4-丁二醇(1，4-butanediol， BDO)等不同莫耳比制备形状记忆型聚氨基甲酸酯(Shape Memory Polyurethane， SMPU)；并探讨改变不同单体莫耳比及添加不同浓度奈米银溶液对其物性及形状记忆性的影响。

A new method for determination of ellagic acid content by UV spectrophotometry was studied.

鞣花酸又名六羟基联苯二酸二内酯，是一种高附加值的林产精细化工品。

The paper studies the effect of sucrose, Ca2+ ion and glucono-delta-lactone on the gelling properties of sodium alginate—high methoxyl pectin system.

研究了蔗糖、Ca2+、葡萄糖酸-d-内酯对海藻酸钠—高甲氧基果胶复合体系凝胶特性的影响。

This paper confirmed that the microcapsule from sodium alginate and which is used in carbonless copy paper by single cogulation process owns higher embedding ratio and better nonpermeability stableness and strength.

本文对以海藻酸钠为壁材、以结晶紫内酯的邻苯二甲酸二丁酯溶液为芯材通过单凝聚法制备无碳复写纸用微囊的工艺条件进行了研究，制定了工艺路线和流程，确定了最佳的乳化条件、絮凝条件、固化条件以及壁材浓度、芯壁比，并对成品微囊进行了应用性的对比分析。

Bombyx mori silk fibroin film was treated by plasma processes with SO 2 gas to introduce functional groups on the surface of film. Meanwhile, functional groups were also introduced by the reaction of 1,3 propane sultone with amine sites on the surface of silk fibroin film which were produced by NH 3 gas plasma.

从蚕丝中提取的丝素蛋白制备成薄膜，首次采用二氧化硫等离子体处理在材料表面引入磺酸基团；同时丝素蛋白膜用氨气等离子体处理后在表面接入氨基，利用 1，3 丙磺酸内酯与氨基的反应在材料表面接枝磺酸基团。

A HPLC method was used for analyzing the changes of eight major constituents, namely gallic acid, paeoniflorin sulfonate, catechin, paeoniflorin sulfonate, albiflorin, paeoniflorin, benzoic acid, pentagalloylglucose and benzoylpaeoniflorin, with the three processing procedures of decorticating, boiling and fumigating by burning of sulphur.

采用高效液相色谱法分别分析经去皮、水煮和硫磺熏制3个不同加工阶段后，白芍中没食子酸、儿茶素、芍药苷亚硫酸酯、芍药内酯苷、芍药苷、苯甲酸、五没食子酰基葡萄糖和苯甲酰芍药苷等8种主要化学成分的变化。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。