二丁基的

Anisaldehyde was synthesized from p-hydroxybenzaldehyde with dimethyl carbonate by microwave irradiation under phase transfer catalyst tetrabutylammonium bromide, The effect of power, time, solvent and catalyst of reaction on yield were researched.

以四丁基溴化铵为相转移催化剂，采用对羟基苯甲醛和碳酸二甲酯为原料，微波辐射下合成大茴香醛。考察了反应溶剂、功率、时间和催化剂对反应产率的影响。

Of others elsewhere in other times who, kneeling on one knee or on two, had kindled fires for him, of Brother Michael in the infirmary of the college of the Society of Jesus at Clongowes Wood, Sallins, in the county of Kildare: of his father, Simon Dedalus, in an unfurnished room of his first residence in Dublin, number thirteen Fitzgibbon street: of his godmother Miss Kate Morkan in the house of her dying sister Miss Julia Morkan at 15 Usher's Island: of his aunt Sara, wife of Richie Goulding, in the kitchen of their lodgings at 62 Clanbrassil street: of his mother Mary, wife of Simon Dedalus, in the kitchen of number twelve North Richmond street on the morning of the feast of Saint Francis Xavier 1898: of the dean of studies, Father Butt, in the physics' theatre of university College, 16 Stephen's Green, north: of his sister Dilly in his father's house in Cabra.

40他联想到旁的时候在旁的地方跪着单膝或双膝曾经替他生火的其他那些人；迈克尔修士，在坐落于基尔代尔郡塞林斯的耶稣会克朗戈伍斯公学校医院的病房里。他父亲西蒙。迪达勒斯，在菲茨吉本街门牌十五号那间没有家具等设备的屋子里，而那是他在都柏林的头一个住所。他的教母凯特。莫坎小姐--住在厄谢尔岛她那奄奄一息的姐姐朱莉姬。莫坎小姐家里。他的舅妈萨拉--里奇。古尔丁的妻子，在他们那坐落于克兰布拉西尔街门牌六十二号寓所的厨房里。他的母亲玛丽--西蒙。迪达勒斯的妻子，那是在北里奇蒙街门牌十二号的厨房里，时间是一八九八年圣方济各。沙勿略节日的早晨。副教导主任巴特神父，在"斯蒂芬草地"北区门牌十六号的大学物理实验室里。他的妹妹迪丽，在他父亲那坐落于卡布拉的家里。

In treatment of lead poisoning with Na-DMS or Ca-Na2-EDTA, the time of alleviation of lead colic and the increase of urinary lead were similar in both chelating agents.

二疏基丁二酸钠是我国年来的临床应用，对两药的某些疗效与副作创制和创用的治疗铅中毒的有效药物。

The load carrying capacity and antiwear property of S,P containing benzotriazole derivative (BM 3) were evaluated using a four ball test machine,and compared with those of zinc salt di(T 202 ) and amine salt of complex ester thiophosphate (T 307 ). The antiwear mechanism of BM 3 were studied by investigating the chemical states and the mass fraction of elements on the rubbed surfaces using X ray photoelectron spectroscopy and electron probe microanalysis and the thermal decomposition products using gas chromatography mass spectrograph.

在四球机上对照评价了含硫、磷苯并三氮唑衍生物（BM－3）和二丁辛基二硫代磷酸锌（T202）及硫磷酸复酯胺盐（T307）的承载能力和抗磨性能，用X射线光电子能谱仪和电子探针微分析仪等对磨斑表面元素N，S和P的存在形式及表面膜的组成进行了分析，用气相色谱－质谱联用仪对BM－3的热分解产物进行了分析，并且还对其极压抗磨作用机理作了探讨。

A typical example of the method is the preparation of sec-butylnitramine from dichloramine.

这方法一个典型的例子是由二氯胺制备仲丁基硝胺。

Utilizing 6 and several kinds of diazides prepared in our lab, polys containing 1,2,3-triazolyl and perfluorocyclobutane units were synthesized by "Click chemistry". Utilizing the polycondensation reaction between 6 and several commercially available aromatic diphenol or copolymerization reaction after adding another active aromatic dichloride, fluorinated polys containing phenylphosphine oxide units were synthesized. Utilizing the polycondensation reaction between 6 and several commercially available aromatic dianhydride, fluorinated polys containing PPO units were synthesized.Secondly, structure characterization of fluorinated polys.

利用化合物6同各种自制的二叠氮化合物，通过&Click chemistry&，合成了具有1，2，3-三唑环结构单元的全氟环丁基类聚芳醚；利用化合物22同各种商业化的芳香二元酚类化合物进行缩聚反应或者再加入另外一种活性芳香二氯代物进行三元共聚反应，制备了具有苯基氧膦结构单元的含氟聚芳醚；通过化合物25同各种商业化的芳香二元酸酐类化合物进行缩聚反应，得到了具有PPO结构单元的含氟聚醚酰亚胺。

Only Cr reacts with DDTC to form a 1: 3 complex which is then extracted with methyl isobutyl ketone and determined by flame atomic absorption spectroscopy.

本文拟定的方法是在pH-4条件下，用二乙胺硫代甲酸钠与甲基异丁基甲酮络合萃取铬，用原子吸收光谱法测定。

For the first time, enantiomers of C2-symmetric 1,1 -spirobiindane-7,7'-diol were resolved with crude menthyl chloroformate by phase-transfer catalysis in the presence of tetrabutylammonium bromide. The reaction was carried out at 0℃-rt. The diastereomers of SPINOL bis-menthyl carbonate can be separated by simple crystallization using alcohol. The hydrolysis of the diastereomers was carried out via aqueous NaOH/EtOH solution.

首次通过相转移催化的方法对螺双二氢茚二酚进行了有效的拆分，用L--氯甲酸薄荷醇酯做拆分剂，以四丁基溴化铵为催化剂在0℃-室温下进行酯化反应生成非对映体衍生物，以乙醇作溶剂，通过重结晶的方法分离衍生物，在水-乙醇混合溶剂条件下，用强碱NaOH或KOH分别水解，制得相应的光学纯度大于99%ee的两个异构体SPINOL，其中总收率：--SPINOL，78.2%；--SPINOL，80.6%。

The aim of this thesis is to prepare rutile TiO2 nanorods under the hydrothermal condition and to investigate the correlation between the preparation parameters and the photocatalytic activity of as-prepared TiO2 samples. The initial sols for TiO2 were prepared by the hydrolysis and condensation of Ti precursor, titanium n-butoxide 〔Ti4, TNB〕 in DI-water with hydrogen chloride as a peptizer.

中文摘要本研究的主要目的是制备以水热法制备金红石相二氧化钛奈米棒并探讨其制备条件与光催化活性的相关性，以四丁基氧化钛为前驱物，在盐酸的催化下，经由水热处理来合成金红石相的二氧化钛奈米粒，并藉由XRD鉴定其结晶相，TEM来观察其外观形貌及其颗粒大小，氮气吸附法来分析其比表面积。

Synthesis of β-（3,5-Diterbutyl-4-hydroxyphenyl） Propionyl Chloride

3，5-二叔丁基-4-羟基苯基）丙酰氯的合成研究

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。