以三乙基铝(茶)和甲基溴为原料,在铁-锑络合物催化剂上反应合成了三甲基铝(TMA)。
Trimethylaluminum(TMA) was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
健康影响:溴化阻燃剂,它会吸附在灰尘中,被人体吸入或咽下,现代研究发现它会引发儿童学习问题和对某些激素产生干扰。
Health: Brominated flame retardants, which attach to dust and get inhaled or ingested, have been found to trigger learning problems in children and to interfere with certain hormones.
如同所有的电视一样,液晶显示器的塑料外壳经过溴化阻燃剂处理,内部线路用了各种有毒重金属,如镉,铬,锑,铍。
As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.
LG公司昨日表示,他们将从明年起停止生产溴化阻燃剂,氯化阻燃剂和聚氯乙烯。
LG pledged yesterday that it would remove brominated flame retardants, chlorinated flame retardants and polyvinyl chloride from the manufacturing process by next year.
“多溴二苯醚含量的提升对于生育能力的下降是一个危险因素,”长期研究人类在阻燃剂环境中的生存状况的阿德诺博士说道。
"Elevated levels of PBDEs might be a risk factor for reduced fertility," said Schecter, who studies how people are exposed to the flame retardants.
托纳博沙是一种抑制CSD的二乙基溴乙酰胺间隙结合阻滞剂并曾被认为是一种能防止偏头痛的的新化合物。
Tonabersat is a neuronal gap-junction blocker that inhibitsCSD and was once considered a promising new compound to preventmigraine attacks.
被测试的两种阻燃剂材料-五溴联苯醚(penta-PBDE)和八溴二苯醚(octa-PBDE)-自2006年起已在美国被禁用。
The two flame retardants tested – penta and octa PBDE – have been banned in the United States since 2006.
一般说来,引发剂的卤化物组份的活性,是随连在同一碳原子上的氯和溴原子的数目的增多而增长。
In general, the activity of the halide component of the initiator increases with the number of chlorine or bromine atoms joined to a single carbon atom.
为避免对于测定元素的干扰,可分别选用溴或碘的化合物作为脱模剂。
To avoid interference, compounds containing Br or I can be used as mould release agent.
采用一种新方法测定了反应型含溴阻燃剂中溴的含量。实验证明,该方法简单易行,且精密度较高。
A new way is proposed to determine the content of bromine in reacting flame retardant containing bromine. This method is proved to be easy and of high precision.
方法利用溴、溴化锂和助催化剂吡啶方法同时进行氧化脱氢。
METHODS Using the bromine, the lithium bromide and the promoter pyridine carried out the oxidized dehydrogenation.
讨论了利用苯直接溴代合成阻燃剂六溴苯的方法。
In this paper, the method of directly synthesizing hexabromobenzene with benzene and bromine was discussed.
采用正丁醇-氢氧化钠反应体系,以十六烷基三甲基溴化铵为相转移催化剂,制得脱乙酰度为92%的壳聚糖。
The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.
分析溴系阻燃剂市场需求。
目的:探讨匹维溴胺联合双歧三联活菌胶囊治疗肠易激综合征的疗效并与单剂匹维溴胺作对照。
AIM: Comparing the curative effect of combination of bifid triple viable power and pinaverium bromide vs pinaverium bromide alone for the treatment of irritable bowel syndrome(IBS).
考察了硅烷偶联剂KH-550在聚丙烯(PP)/酸式二溴新戊二醇磷酸二酯(PEA)复合体系中的增容作用。
The effect of silane coupling agent KH-550 as a compatibilizer in polypropylene (PP)/phosphate ester dibromoneopentyl glycol acid (PEA) composites was studied.
在阳离子表面活性剂——十六烷基三甲基溴化铵(CTMAB)的存在下,用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
目的比较溴鼠灵毒饵和杀特宁b型饵剂实验室及现场灭鼠效果,为今后灭鼠工作提供科学依据。
Objective to understand the laboratory and field deratization effects of Bromadiolone and Brodifacoum on rodent, and to provide scientific data for deratization in the future.
合成了2种助焊活性剂23-二溴丁二酸和环烷基胺氢溴酸盐,制备了ES系列活性助焊剂。
Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active soldering fluxes were prepared.
归纳了以废旧聚苯乙烯为原料溴化作阻燃剂,磺化用作离子交换树脂,制备乳胶漆,建筑用胶粘剂,裂解成燃料油等回收利用情况。
The reclamation of waste polystyrene is summarized, The use as fire retardant, ion exchange resin, latex paint, building adhesion agent, and pyrolysis fuel oil are introduced in detail.
研究了钡的新显色剂二溴对甲偶氮羧的合成及其与钡显色反应的条件。
A new reagent, dibromomethyl carboxyazo was synthesized and its colour reaction with barium was studied.
同时,我们还以电导法和稳态荧光法研究了多巴胺与阳离子表面活性剂十六烷基三甲基溴化铵(CTAB)胶束体系的相互作用。
We also studied the interaction between dopamine and the cationic surfactant sodium dodecyl sulfate (CTAB) by the methods of conductivity and the steady state fluorescence.
以乙醇为溶剂,碘化钠为催化剂,由金属钠、对苯二酚和溴丁烷合成了1 ,4 -二丁氧基苯。
With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.
联合国粮食及农业组织世界衞生组织食物添加剂联合专家委员会已对溴化植物油的食用安全作出评估问题,认为它不应用作食物添加剂。
JECFA Joint FAO WHO Expert Committee on food Additives has evaluated the safety of BVO and concluded that it should not be used as food additive.
所用滴定剂为十六烷基三甲基溴化铵,指示电极为氟硼酸根离子选择电极。
Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode.
研究了在非离子表面活性剂OP存在下,钛与二溴苯基萤光酮(DBPF)和溴代十六烷基吡啶(CPB)形成三元络合物的析相显色反应。
The optimum conditions of the phase separation coloring reaction of titanium with DBPF and CPB in the presence of nonionic surface_active agentOPwas studied.
提出以羟甲基改性尼龙- 6织物与反应型有机磷系、溴系阻燃剂进行耐久性阻燃整理的新方法。
A new technique for the durable flame retarding treatment of hydroxymethyl nylon 6 textiles with reactive flame retardants is put forward.
提出以羟甲基改性尼龙- 6织物与反应型有机磷系、溴系阻燃剂进行耐久性阻燃整理的新方法。
A new technique for the durable flame retarding treatment of hydroxymethyl nylon 6 textiles with reactive flame retardants is put forward.
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