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- tetraethyl radiolead 四乙基放射铅
- A substance, such as tetraethyl lead, added to gasoline to reduce engine knock. 抗震剂一种加在汽油中可以减轻发动机震动的物质,如甲乙基铅
- Diagnostic criteria and principles of management of occupational acute tetraethyl lead poisoning. 职业性急性四乙基铅中毒诊断标准及处理原则.
- He described the evolution of resistance in Tetranychus against tetraethyl pyrophate. 他叙述了恙虫对焦磷酸四乙脂的抗性进化。
- The transparent bulk sodium borosilicate gel was prepared using tetraethyl orthosilicate, boric acid. 摘要在钠先驱体中,采用醋酸钠、甲醇钠、乙醇钠3种先驱体;
- Tetraethyl lead (TEL) is a Class B poison and environmentally unacceptable for health reasons. 四乙基铅(TEL)是乙种的毒物并且在健康理由方面被环境所不能接受的.
- Objective To study the health state of workers exposed to tetraethyl lead petrol, and to find a surveillant index for them. 目的研究接触四乙基铅汽油作业人员健康状况,探讨四乙基铅汽油接触者的监护指标。
- Si-O-Si polymer superfine fibers were prepared by sol-gel and electrospinning methods using tetraethyl orthosilicate (TEOS) as a starting material. 电纺法是聚合物溶液或熔体借助高压静电作用进行喷射拉伸而获得超细或纳米级纤维的一种纺丝方法。
- Manganese-based organic compound is present international replace tetraethyl lead, but more than tetraethyl lead more good ANTIKNOCKS new one. 锰基有机化合物是目前国际上代替四乙基铅,且比四乙基铅更为优良的新型抗爆剂之一。
- Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide (27.5%) as oxidant. 摘要以二乙胺和二硫化碳为原料,经双氧水(27.;5%25)氧化,一步合成了四乙基秋兰姆化二硫。
- Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant. 以二乙胺和二硫化碳为原料,经双氧水(275%25)氧化,一步合成了四乙基秋兰姆化二硫。
- N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst. 以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N,N二乙基苯胺。
- In this paper, the effect of the tetraethyl orthosilicate [Si(OC2H5)4] addingto TiO2-V2O5-M2O(M=K, Na) series, humid-sensing ceramic materials have been stud-ied. 研究了添加正硅酸酯[Si(OC_2H_s)_4]对TiO_2-V-2O_5-K_2O(Na_2O)湿敏陶瓷材料性能的影响.
- Silica nanotubes with high yield, uniform size and large aspect ratio were synthesized from hydrodyzing tetraethyl orthosilicate (TEOS) using ammonium D, L-tartrate as template. 摘要以正硅酸乙酯(TEOS)为原料,D,L-酒石酸铵为模板制备了高产率、尺寸均匀、大长径比的二氧化硅纳米管。
- It also can be used in the manufacture of sodium hydroxide , vitamins, spices, dyes, sodium amalgam, tetraethyl lead, titanium and oil refining and so on. 可用于制造氰化钠、维生素、香料、染料、钠汞齐、四乙基铅、金属钛等,还可用于石油精制等方面。
- His other famous idea was to add tetraethyl lead to gasoline to prevent “knocking” thus causing worldwide health issues and deaths from lead poisoning. 他的另一个著名发现是将四乙铅混入汽油以避免“撞击”,从而引起了世界范围的健康问题和铅中毒致死。
- In this work,series of sol-gel derived from organic-inorganic nano-hybrid composition have been prepared with inorganic tetraethyl orthosilicate (TEOS) and organic poly(ethylene glycol)(PEG). 利用无机正硅酸乙酯(TEOS)和有机聚乙二醇(PEG),采用溶胶-凝胶法制备了一系列有机/无机纳米杂化复合材料。
- Washburn method is applied to investigate the different effect of molecular deposition filming flooding a-gent (MDFFA) , tetraethyl ammonium bromide [(Et)4NB] and hexadecyl trimethyl ammonium bromide (CTAB) on the wettability of oil reservoir minerals. 用Washburn法对比了单分子双季铵盐MD膜驱剂、四乙基溴化铵[(Et)4NB]和十六烷基三甲基溴化铵(CTAB)对油藏矿物润湿性的影响。
- Respectively, sufactant and source of silicate is polyoxyethylene (10) stearyl ether (C18EO10),tetraethyl orthosilicate (TEOS). The composition of gel is 1TEOS:0.225C18EO10:150H2O. 合成所用的模板剂为十八烷基聚氧乙烯基醚,硅源为正硅酸乙酯,原料比为1TEOS:0.;225C_(18)EO_(10):150H_2O。
- Copper substituted hexagonal mesoporous silica(Cu-HMS) was synthesized using tetraethyl silicate(TEOS) as silicon source, CuCl_2, CuAc_2 or Cu(NH_3)~+_4 as copper source and dodecylamine(DDA) as templating agent. 分别以CuCl2、CuAc2和Cu(NH3)+4为铜源,正硅酸乙酯为硅源,十二胺为模板剂,在室温下合成了Cu HMS系列介孔分子筛催化剂。