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1)  tetrahydric phenol
四元酚
2)  quaternary [英][kwə'tə:nəri]  [美][kwə'tɝnərɪ]
四元
1.
Three series of quaternary rare earth complexes [Ln( x MBA) 2(NO 3)(Phen)] 2(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Er;MBA=CH 3C 6H 4COO -)were synthesized in ethanol/water solution system with slight acidity, the products were characterized by elemental analysis, IR,UV,DTA TG and 1H NMR, the ESR spectra of three Gd complexes and fluorescence spectra of three Eu complexes were determined.
在酸性介质 ,乙醇 /水混合溶剂中合成得到了三个系列的四元混配配合物 [Ln(x- MBA) 2(NO3) (Phen) ]2 (Ln=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Er;MBA=CH3C6H4 COO-)。
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3)  Tetrabromobisphenol-A
四溴双酚-A
1.
Determination of Tetrabromobisphenol-A in Soil by High Performance Liquid Chromatography-Electrospray Ion Trap Mass Spectrometry;
液相色谱-电喷雾离子阱质谱分析土壤中四溴双酚-A
2.
Tetrabromobisphenol-A and Related Environmental Problems;
四溴双酚-A及其环境问题
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4)  tetrabromobisphenol A
四溴双酚A
1.
Effects of humic acid on sorption of tetrabromobisphenol A by soils;
腐殖酸对土壤吸附四溴双酚A的影响
2.
Effects of tetrabromobisphenol A on soil enzyme activities;
四溴双酚A对土壤酶活性的影响
3.
Determination of Tetrabromobisphenol A in Plastic Electrical and Electronic Products by Microwave-Assisted Extraction-Derivatization with Gas Chromatography-Mass Spectrometry
塑料电子电气产品中四溴双酚A的微波辅助萃取-衍生气相色谱-质谱法测定
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5)  4-chlorophenol
四氯苯酚
1.
Enhancement of Biodegradation of 4-chlorophenol During Co-metabolic Process by Immobilized-Cells of Pseudomonas putida;
固定在活性炭聚砜中空纤维膜中的Pseudomonas putida菌对四氯苯酚的共代谢降解
6)  Tetrachlorobisphenol A
四氯双酚A
1.
Tetrachlorobisphenol A was synthesised from phenol, propanone and chloride by two steps.
本文研究了由苯酚、丙酮和氯气经两步合成四氯双酚A的一种新方法。
补充资料：四元
1.指科举时代州县﹑府﹑省和廷试四级考试均名列第一。 2.数学名词。元朱世杰《四元玉鉴》以天﹑地﹑人﹑物代四个未知数。相当于现代代数的多元式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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