再制

A new triphenylamine-containing aromatic diamine monomer, 4-[4-(1-adamantyl)phenoxy]-4',4-diaminotriphenylamine, was synthesized from cesium fluoride-mediated N-arylation of 4-(1-adamantyl)-4'-aminodiphenyl ether with 1-fluoro-4-nitrobenzene and subsequent reduction of the dinitro intermediate.

摘要 本研究首先使用 4-(1-adamantyl)-4'-aminodiphenol ether 与 1-fluoro-4-nitrobenzene，於DMSO中，以氟化铯为媒介，进行氮-芳香化反应（N-arylation），随后再进行中间产物的还原反应，制得一个种新型具有三苯胺结构的芳香族二胺单体 4-[4-(1-adamantyl)- phenoxy]-4'，4-diaminotriphenylamine。

Aniline compounds are used as raw material and reacted with anthranilic acid and then phenyl iodide as alkylating agents to give alkylating products followed by cyclizing with concentrated sulphuric acid to give a N-phenyl-acridone(or 3-ethoxyl-N-phenylacridone).The structure of intermediate and target compound are determined by IR and MS.

以苯胺类化合物为原料，先后以邻氯苯甲酸和碘苯为烷基化试剂进行了N 烷基化反应，再用浓硫酸使其环化制得N-苯基吖啶酮和3-乙氧基-N-苯基吖啶酮，并用红外光谱及质谱仪检测了各中间体及目标产物的结构。

Further aza-Wittig reactions of iminophosphorane 3 with aromatic isocyanates gave the carbodiimide s 4, which were reacted with secondary amines to give 2-dialkylamino-thieno[2,3-d]pyrimidin-4(3H)-ones 6 in the presence of catalytic amounts of EtO-Na+ in 58%～82%.

应用膦亚胺3与芳基异氰酸酯的氮杂Wittig反应，生成的碳二亚胺4，再与仲胺作用得到中间体5，而后在醇钠的催化下关环制得2-二烷氨基噻吩并[2，3-d]嘧啶-4(3H)-酮衍生物6，产率为58%～82

The sodium sulphonate of ethoxylated acrylic modified rosin can be obtained from acrylic modified rosin after the reaction with ethylene oxide and then be sulphonated with chlorosulphonic acid.

以松香为原料，用丙烯酸进行改性后再与环氧乙烷聚合，然后用氯磺酸进行磺化处理制得丙烯酸改性松香聚氧乙烯醚磺酸钠阴离子表面活性剂。

Crispness declined first and then increased and afterwards declined again during pickling.

在泡制过程中豇豆的脆度会呈现先下降、后上升、再下降的变化规律。

The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.

由氰乙酸乙酯与氨反应生成氰乙酰胺，再经过消除反应制得丙二腈。

In the experimental processes, the degenerately p-doped silicon wafers with 100 nm silicon oxide were used as the back gate; palladium metal electrodes were formed by photolithography combined with lift-off technique, and finally deposited and aligned CNTs on the predefined electrode pairs to complete devices fabrication by using alternating current dielectrophoresis.

在实验制作方面，我们以退化型之重掺杂矽基材作为背闸极，基材上方长出100nm之氧化矽绝缘层，配合微影制程定义钯电极於介电层上，再利用介电泳力将奈米碳管接合至电极上方，完成奈米碳管电子元件之制作。

This automatic device of sensor is the denticular of the electrade screen business card printing and membership card-making on the glass in the sheet, and then on it is covered with a layer of humidity in the utilization ratio hunidity electrized, the ebuillition of automatic control.

这种自动装置的传感器是将锯齿状的电极用丝网制卡和会员卡制作在薄板玻璃上的，再在其上覆盖一层感湿体，利用湿度的变比自动控制通电、断电。

Festive feast wine used for the original liquor wine, and then by health effect on the human body from the mung bean, lotus leaf, Dictyophora carefully hook system, seasoning made.

节庆宴酒采用浓香型白酒为原酒，再辅以对人体起保健作用的绿豆、荷叶、竹荪，精心勾制、调味而成。

Festive feast of wine, the use of liquor for wine, and then by health effect on the human body from the mung bean, lotus leaf, Dictyophora carefully hook system, seasoning made.

节庆宴酒采用浓香型白酒为原酒，再辅以对人体起保健作用的绿豆、荷叶、竹荪，精心勾制、调味而成。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐