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Effects of 1 2-benzenedicarboxylic acid dibutyl phthalate and diphenylamine on mineral elements absorption of young tomato root system were studied in this paper.

以番茄为试材,研究了邻苯二甲酸、邻苯二甲酸二丁酯和二苯胺3种化感物质对番茄幼苗根系吸收矿质元素的影响。

One of the reaction products in the solid state reaction between silver behenate and phthalic acid — di-silver phthalate (Ag2PA) was prepared by liquid deposition method, and was characterized with elemental analysis, ICP-AES and FT-IR.

采用液相沉淀法合成了山嵛酸银与邻苯二甲酸的固相反应产物邻苯二甲酸二银,并通过元素分析、ICP-AES、FT-IR等方法对其进行了表征分析。

Sodium5sulfoisophthalic acid dimethyl ester was prepared by sulfonation of mC 6H 4 2 with chlorosulphonic acid , treatment of the 5sulfoisophthalic acid with methanol to esterify the -CO 2H groups and separation of the product in the form of sodium salt of sulfonic acid.

研究了由氯磺酸和间苯二甲酸经磺化及酯化反应合成间苯二甲酸二甲酯磺酸钠盐的工艺方法,探讨了投料比、反应温度、催化剂用量和反应时间对产物的影

SM6 and SM7 of uncrystal were analyzed through GC-MS, the results showedthat SM6 main contained unsaturated fatty aldehyde with fragrance, i.e.-2,4-decadienal(58%), tetradecanoic acid (55.78%), 2-decenal(50%), Phthalic acid isobutylundecyl ester(47%), 2, 4-Decadienal(41%), 2-Undecenal (31%), 2-Methyl-Z,Z-3, 13-octadecadi-enol(18.84%), and SM7 contained saturation alkanes, i.e. 1, 2-Benzenedicarboxylic acid, butyl cyclohexyl ester(23.90%), Triacontane(22.63%),Nonacosane(21.04%), Heptadecane(18.84%), Octacosane(13.58%). Toxicological experiments were done to insure the pigment safety.

并对紫红丝膜菌色素非晶体部分的黄色油状物SM6和紫色粉末物SM7作了GC-MS分析,结果显示SM6中主要为具有香气成分的不饱和脂肪醛,其中含量较高的依次为:-2,4-癸二烯醛(58%)、十四烷酸(55.78%)、2-癸烯醛(50%)、邻苯二甲酸异丁基十一烷酯(47%)、2,4-癸二烯(41%)、2-十一碳烯醛(31%)、2-甲基-Z,Z-3,13-十八碳二烯酸(18.45%)等;SM7中主要为饱和直链烷烃,其中含量较高的依次为:1,2-苯二羧酸丁基环己酯(23.90%)、三十烷(22.63%)、二十九烷(21.04%)、十七烷(18.84%)、二十八烷(13.58%)。

The 2-continuous stirred-tank reactor model was applied to simulating the fast transition of isophthalic acid content during the production conversion of bottle-grade polyester.

应用二级连续理想混合流模型对瓶用聚酯转产中第三单体间苯二甲酸的快速过渡法进行模拟研究,并分析得出影响间苯二甲酸过渡速度的因素。

N-(6-methyl-2-pyridine)-amino-methylene-diethyl malonate was produced by condensation reaction of 2-amino-6-methyl pyridine with ethoxymethylene diethyl malonate under optimal conditions that n(2-amino-6-methyl pyridine)∶n(ethoxymethylene diethyl malonate) is 1∶1.3, reacting time 45 min and temperature 130 ℃,the yield of this reaction was 96%,which was 6% higher than that of literature.

在250℃的反应温度下,分别以二苯醚、石蜡油和邻苯二甲酸二乙酯为热载体进行成环反应,得到4-氧-7-甲基-1,8-萘啶-3-羧酸乙酯的收率分别为88.6%、56.3%和61.2%,确定二苯醚为最佳热载体,并发现反应温度对产率的影响最大,原料配比次之,反应时间基本无影响。

Research group of these samples after determination found that even children of all brands of edible oil in plastic barrels, all containing "phthalate ester" and "octyl phthalate", these two plasticizers in the plastics industry are frequently used phthalate type plasticizers, without the use of plastic containers containing the bulk oil and solid shortenings, almost non-plasticizer.

科研小组对这些样品进行测定后发现,儿乎所有品牌的塑料桶装食用油中,都含有&邻苯二甲酸二酯&和&邻苯二甲酸二辛酯&,这两种增塑剂是塑料工业中经常使用的酞酸酯类增塑剂,而未使用塑料容器盛装的散装豆油和固体起酥油中,几乎不含增塑剂。

Magnesium monoperoxyphtbalate is composed using benzoic anhydride,magnesium oxide and hydrogen peroxide .

以苯酐、氧化镁和双氧水为原料,研究了均匀设计在单过氧邻苯二甲酸镁合成中的应用,考察了苯酐与氧化镁的摩尔比、反应温度和反应时间对单过氧邻苯二甲酸镁合成的影响,确定了最佳反应条件。

Series of ternary and quadruple doping complexes of europium with benzoic acid ,p-aminobenzoic acid,phthalic acid , m-phthalic acid, and 1,10-phenanthroline were synthesized.

合成了铕与以苯甲酸、对氨基苯甲酸、对硝基苯甲酸、邻苯二甲酸和间苯二甲酸等为第一配体,邻菲咯啉为第二配体的掺杂配合物。

Compare the obtained GC-MS spectra to known spectra or phthalate ester standards to allow qualitative identification of phthalate ester plasticisers or any other compounds.

对测得的GC-MS图谱与已知的图谱或邻苯二甲酸酯类的标准图谱进行比较,得到该邻苯二甲酸酯类增塑剂或其他化合物的定性确定。

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