研究了由双(对-羧苯基)苯基氧化膦改性的PET共聚物的阻燃性质。
PET copolymer modified by a flame retardant bis 4 carboxyphenyl phenyl phosphine oxide was prepared in this work.
本文研究了三辛基氧化膦(topo)学修饰电极预富集石墨炉原子吸收法测定水样中痕量锑。
A preconcentration on TOPO chemically modified electrode-graphite furnace AAS method has been developed for the determination of trace antimony in water samples.
与氯代烯烃或芳烃相反,氯代膦烯与零价钯的氧化加成反应可以在温和条件下进行。
On the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro-substituted phosphaalkenes proceeded smoothly under mild conditions.
以稠环芳烃为探针,考察了烷基膦酸改性锆镁复合氧化物材料的反相色谱性能。
The reversed phase chromatographic performance of the new packing material was investigated with some polycyclic aromatic hydrocarbons (PAHs) as solutes.
研究了一些芳胺类化合物在1-萘甲膦酸改性氧化锆固定相上的色谱行为。
The high performance liquid chromatographic behavior of some aromatic amines was studied on zirconia stationary phase modified by 1-naphthylmethylphosphonic acid.
目的评价泛昔洛韦、膦甲酸钠及氧化苦参碱的体外抗hbv作用。
Objective To determine and compare the anti-HBV effect of famciclovir, foscarnet and oxymatrine in vitro.
给出了二氯苯膦直接氧化合成苯膦酰二氯的方法。
In this paper, A new and simple synthetic method of phenylphosphonic dichloride from direct oxidation of dichlorophenylphosphine was described.
双膦单氧化物是一类在化学催化、药物研究等领域中具有广泛用途的有机膦配体。
Bisphosphine monoxides, as a class of phosphorus ligands, have broad utilities in the catalysis and pharmaceuticals.
从而实现了一类双膦单氧化物的新合成方法。产物结构通过了31PNMR、1H NMR、13C NMR确证。
The structures of the obtained bisphosphine monoxides have been confirmed by 31P NMR, 1H NMR, 13C NMR spectroscopy.
他解释说过度使用草甘膦就意味着氧化剂呈上升趋势,造成植物不能使用的氧化物,这会导致植物低产和更高的对疾病的敏感性。
He explains that the overuse of glyphosate means that oxidizing agents are on the rise, creating oxides that plants can't use, leading to lower yields and higher susceptibility to disease.
简要介绍了新型膦菲类阻燃剂9,10-二氢-9-氧杂-10-膦菲-10-氧化物(DOPO)及其衍生物的合成,综述了近年来国内外膦菲类阻燃剂的研究与应用进展情况。
The synthesis of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and its derivatives are briefly introduced, the current progresses on its development and application are also reviewed.
简要介绍了新型膦菲类阻燃剂9,10-二氢-9-氧杂-10-膦菲-10-氧化物(DOPO)及其衍生物的合成,综述了近年来国内外膦菲类阻燃剂的研究与应用进展情况。
The synthesis of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and its derivatives are briefly introduced, the current progresses on its development and application are also reviewed.
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