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邻苯二甲酸

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Odoquinazolin-4(3H)-one,7-methyl-4(3H)-quinazolinone,7-bromoquinazolin-4(3H)-one were synthesized by using anthranilic acid、2-amino-5-nitrobenzoic acid、2-amino-4-nitrobenzoic acid,6-nitro--4(3H)-quinazoline-one、o-amino-terephthalic acid, 2-amino-4-hydroxy benzoic acid、2-amino-5-bromo-benzoic acid、2-amino-5-iodine acid,1、4-butynediol、L-glutamine、isatin anhydride、formamide as starting materials and utilizing microwave-assisted synthetic approach.

本文利用微波辅助合成的方法,以邻氨基苯甲酸、2-氨基-5-硝基苯甲酸、2-氨基-4-硝基苯甲酸、邻氨基对苯二甲酸、2-氨基-4-羟基苯甲酸、2-氨基-5-溴苯甲酸、2-氨基-5-碘苯甲酸、5-甲基-2-氨基苯甲酸等为原料与甲酰胺反应,以及以1,4-丁炔二醇、L-谷氨酰胺与靛红酸酐反应,共合成了13个喹唑啉酮衍生。。。

After acid hydrolysis of urine, primary amino acids were derivatized with ortho-phthaldialdehyde and removed from the sample by use of silica gel, followed by devivatized of hydroxyproline with 9-fluorenylmethyl chloroformate, and then injected into a C8 reversed-phase column.

采用邻苯二甲醛和芴甲基氯甲酸酯两个衍生剂,先后处理尿标本,以国产C8柱为固定相,在醋酸钠缓冲液中加入23%的乙腈作为洗脱液,3,4-脱氢脯氨酸作为内标。

After extraction by ethanol and purification by cationic ion-exchange column, a method of using reversed-phase high-performance liquid chromatography and precolumn derivatization with o-phthalaldehyde and 9-fiuorenylmethylchloroformate is employed for determination of free amino acids in tobacco . This method assures that amino acids with amino and imino groups can be determined simultaneously. The results of duplication experiment and recovery experiment are acceptable.

本试验用乙醇提取烟叶中的游离氨基酸,并用阳离子交换树脂纯化,再用邻苯二甲醛、氯甲酸芴甲酯联合柱前衍生、反相高效液相色谱分析测定了烟叶中的游离氨基酸,该方法能同时测定烟叶中的带氨基和亚氨基基团的氨基酸,并且分析方法的重现性和回收率均令人满意。

An unreported compound 2-cyclopropylbenzimidazolium salt was obtained from 2-cyclopropyl benzimidazole and iodomethane.

以邻苯二胺和环丙基甲酸为原料,以多聚磷酸为催化剂,在微波辐射下合成了环丙基苯并咪唑,用碘甲烷季胺化得到未见文献报道的环丙基苯并咪唑盐,通过苯并咪唑盐与Grignard试剂加成后水解反应制备环丙基甲基酮。

In home, due to the shortage of polyester glycol, one of raw materials of preparing water-borne polyurethane, aromatic polyester glycols having designed molecular weight of 600,1000 and 2000 are synthesized in lab.

由于国内缺乏制备水性聚氨酯的原料聚酯二醇,实验自制了设计分子量为600、1000和2000的芳香族聚酯二醇;其中以邻苯二甲酸酐、间苯二甲酸、对苯二甲酸为二元酸,乙二醇、1,3—丙二醇和新戊二醇等为二元醇。

Phthalic acid esters ; source ; toxicity ; distribution

邻苯二甲酸酯;来源;毒性;分布

Eight dominant strains that can effectively degrade acidic material in landfill leachate were selected to investigate their degradation of benzoic acid, phenol, phthalic acid, fatty acids and so on in landfill leachate.

分离筛选能够快速降解垃圾渗滤液中难降解有机酸性物质的优势菌种8株,研究了这8菌株及其混合体对苯甲酸、苯酚、邻苯二甲酸、脂肪酸等以垃圾渗滤液中常见的有机酸性物质的降解特性。

Mono lauryl alcohol phthalate was synthesized by solid super acid S2O8^2-/ZrO2 as catalyst.

用固体超强酸S2O8^2-/ZrO2催化合成了邻苯二甲酸单月桂醇酯。

Among the plasticisers added to PVC polymer are DEHA and DOA, not part of the phthalates family.

在plasticisers增加聚氯乙烯聚合物和DOA是DEHA ,而不是部分邻苯二甲酸盐的家庭。

German Research Association, said a press release issued a few days ago, the association funded the University of Nuremberg, Germany Erlanger special studies have shown that men the world over the past few decades to reduce the number of sperm may be related to light in a wide range of chemicals used as softeners o of the acid esters.

德国研究协会日前发布的新闻公报说,该协会资助德国厄兰格·纽伦堡大学进行的专项研究表明,过去几十年全球男性精子数量的减少可能与轻工业中广泛用作软化剂的化学品邻苯二甲酸酯有关。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

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