您要查找的是不是:
- dimethylmethyl phosphonate 甲基磷酸二甲酯
- Product service: The major products are first and second grade national standard soybean oil, bran and phosphonate. 产品服务: 主要产品为国标大豆油一级油、国标大豆二级油、大豆粕、膦脂。
- Cyclic phosphonate ester flame retardant is just about accord with development demand. 环状膦(磷)酸酯类阻燃剂正是符合这一发展要求的阻燃剂。
- AIM To study on the diagnostic value of serum phosphonate esterase for liver fibrosis. 摘要目的: 探讨肝纤维化大鼠血清有机膦酸酯酶的变化。
- The experiment results show that active oxygen disinfectant does not have much influence on the phosphonate. 实验结果表明,活性氧杀菌剂在常温下对有机磷药剂分解很小;
- In this paper the synergistic extraction by a mixture of tributyl phosphate (TBP) and dibutyl butyl phosphonate (DBBP) for uranyl nitrate is studied. 本文研究了磷酸三丁酯和丁基膦酸二丁酯煤油溶液对硝酸铀酰的协同萃取。 发现在萃取剂克分子比TBP:DBBP=5:1时出现明显的协同效应;
- The phosphonate absorbed by the bacteria will be removed with the cxces:sltidge together.This is the Bio-Denipho process. 细菌大量吸收磷后随剩余污泥一同排出,从而达到生物除磷的目的。
- A novel organic phosphonate derivative was enatioseparated on the CHI-DMB column, using hexane with different alcohols as mobile phase. 摘要在CHI-DMB手性柱上对一种新型有机膦衍生物进行了手性分离。
- Active oxygen disinfectant has little influence on the capability of the scale and corrosion inhibition of phosphonate and polymer chemicals, The ... 在缓蚀配方实验中均能达到防腐要求。
- Therefore, chitosan multi-nuclear metal complex is one kind of environmental protective and high efficient catalysts for hydrolysis of phosphonate. 壳聚糖的引入使其具有低成本,无污染,环境协调性等优良特性,是一种很好的新型酯类水解催化剂。
- The mass spectrum character which benefits elucidating cyclic phosphonate ester was found by inspection of the mass spectra of these compounds. 并对这十五个化合物的质谱作了分析和归纳,得出了一些有助于鉴定这类膦酸酯的质谱特征。
- Dimethyl phosphonate reacted with acrylonitrile under strong base (sodium alcoholate) or BPO catalysis, and then reacted with malonic aldehyde to give a N-P type fire retardant. 摘要以亚磷酸二甲酯、丙烯酰胺在强碱性(醇钠)或BPO作催化剂条件下反应,再与丙二醛反应得到氮-磷(N-P)型阻燃剂。
- Matrix assisted laser desorption/ionization time of flight mass spectrometry (MALDI TOF MS) was used for analysis of poly(arylene phosphonate) cyclic oligomers. 用基质辅助激光解吸电离飞行时间质谱方法对一系列芳香环状聚膦酸酯低聚物进行了结构分析。
- The catalyst composed of rare earth phosphonate and triisobutylaluminum was used to catalyze copolymerization of CO2 and epichlorohydrin(ECH)to synthesize polymer ECHCO2. 利用稀土磷酸酯盐和三异丁基铝组成的催化剂催化二氧化碳和环氧氯丙烷(ECH)共聚反应,合成出新型高分子材料脂肪族聚碳酸酯(ECHCO2)。
- Abstract In this paper the synergistic extraction by a mixture of tributyl phosphate (TBP) and dibutyl butyl phosphonate (DBBP) for uranyl nitrate is studied. 摘要 本文研究了磷酸三丁酯和丁基膦酸二丁酯煤油溶液对硝酸铀酰的协同萃取。
- In this paper,the michanism of extraction of Zinc and Cadmium from sulfuric acid sys-tem with Mono(2-cthylhexyl)2-cthylhexyl phosphonate(P507)is discusscd. 本文采用2-乙基已基膦酸单(2-乙基已基)酯(简称P507)的磺化煤油溶液从硫酸体系中萃取锌、镉。
- And aliphatic polycarbonates were synthesized by copolymerization of CO 2 with GE catalyzed by coordination catalyst composed of Y phosphonate and triisobutylaluminum[Y(P 204 ) 3 A1( i Bu) 3]. 利用稀土钇的磷酸酯盐和三异丁基铝组成的络合催化剂[Y(P2 0 4 ) 3-Al(i-Bu) 3]催化 CO2 与缩水甘油醚类单体 (GE)的共聚反应 ;合成出新型高分子材料脂肪族聚碳酸酯 .
- It can be used as dispersant in pour-cooling water if iron and steel plants, and also used together with organic phosphonate and zine salts in circulation cooling water with high hardness and high alkality. 用于钢铁厂淋洗的冷却水,防止氧化铁、氧化锌和泥沙沉积,以及用于高碱度循环冷却水中与有机膦酸盐、锌复配的阻垢缓蚀剂。
- In method A,2,3-O-isopropylidene-5-O-pivaloyl-D-ribofuranose reacted with tetraethyl methylenediphosphonate(TEMDP) to give 1-(diethyl)-2,3-O-isopropylidene-5-O-pivaloyl-D-ribofuranosyl phosphonate. 方法A用2,3-O-异丙叉基-5-O-三甲基乙酰基-D-呋喃核糖与四乙基亚甲基二膦酸酯(TEMDP)反应,得到2,3-O-异丙叉基-5-O-三甲基乙酰基-1-亚甲基膦酸二乙酯-D-呋喃核糖,然后用乙醇钠脱去酰基保护基。
- Decomposition and effects of corrosion and scale inhibition of trichloroisocyanuric acid(TCCA) on four phosphonate corrosion and scale inhibitors of HEDP,PBTCA,HPAA and PAPEMP have been investigated. 试验研究了三氯异氰尿酸(TCCA)对羟基亚乙基二膦酸(HEDP)、2-膦酰基丁烷-1,2,4-三羧酸(PBTCA)、羟基膦乙酸(HPAA)和多氨基多醚基亚甲基膦酸(PAPEMP)四种有机磷缓蚀阻垢剂的分解作用和对它们缓蚀、阻垢性能的影响。