Fourier transform infraredspectroscopy was used to determine the reaction rate of glycidyl dibromophenyl ether(G-48)with methyl tetrahydrophthalic anhydride and to compare it with that of the bisphenol-A epoxy resin(E-39)with THPA.
用傅立叶转换红外光谱对溴代苯基缩水甘油醚(G-48)与甲基四氢苯酐的反应速度进行了测定，并和双酚A环氧树脂(E-39)与THPA的反应进行了比较。
Studies in lab animals indicate that even small amounts of bisphenol A can damage brain and reproductive systems, alter mammary and prostate glands and lead to heart disease, obesity and diabetes.
在动物实验研究表明，即使少量的双酚A可能会损害大脑和生殖系统，改变乳腺和前列腺腺体，并导致心脏病，肥胖症和糖尿病。
High levels of BPA, or bisphenol A, can leach out when baby bottles are used and heated over extended periods of time.
宝贝妈咪是旺旺公司--健康零食、饮料和相关产品的一家生产商--的下属产品。
An analytical method of high performance liquid chromatography-fluorescence detection has been established for the determination of phenol and bisphenol A in toys.
采用高效液相色谱分离，荧光检测器检测，建立了三种不同类型的玩具中苯酚和双酚A的测定方法。
The photocurable screen printing ink containing vinyl ether reactive diluents was studied. The formulation of the ink included bisphenol-A epoxy acrylate (40%~50%), phenolic aldehyde epoxy acrvlate (30%~35%), polyfunctional monomers (15%~25%), and photoinitiator (10%~15%) etc.
对含乙烯基醚的光固化丝网印刷油墨的配方进行了研制，配方中包括双酚A型环氧丙烯酸酯(40%~50%)，酚醛型环氧丙烯酸酯(30%~35%)以及多官能团的活性单体(15%~25%)，光引发剂(10%~15%)等。
The selected heteropolyacids and their tetrabutylammonium salts were explored as a promoter in the oxidative carbonylation of bisphenol A.
探索了杂多酸和杂多酸的四丁基铵盐对氧化羰化双酚A直接合成聚碳酸酯的促进作用。
By choosing suitable initiator, cure temperature and postcure temperature of 4, 4'-bimaleimidodiphenylmethane /3, 3'-diallyl-bisphenol A, Ciba-Geigy XU292-like BMI system, are greatly decreased to 160℃ and 180℃, and the heat resistance property of cured resins is not decreased.
针对BMI树脂固化温度高的缺点，选择了有效的引发剂，首次大幅度地降低BMI/DP树脂的固化温度和后处理温度（分别降至160℃和180℃，且不降低树脂的耐热性。
BACKGROUND AND AIM: To study the effects of Bisphenol A and/or diazinon on proliferation of MCF-7 cells.
背景与目的：研究双酚A和敌匹硫磷单独和联合作用对MCF-7细胞增殖的影响。
Caprolactam, polyamide6, phenol, Acetone, Polypropylene, Polyethylene, diethylene glycol, butyl alcohol, 2ethyl hexanol, Epichlorohydrin, Bisphenol A, trichloroethylene, naphta, naphthalene, synthetic rubber.
己内酰胺，聚酰胺6，苯酚，丙酮，聚丙烯，聚乙烯，二甘醇，丁醇，辛醇，环氧氯丙烷，双酚A，三氯乙烯，石脑油，工业萘，合成橡胶。
Polycarbonate was prepared by interfacial polycondensation of bisphenol A and triphosgene in the water/dichloromethane system.
以双酚ABPA和三光气(BTC为单体，在水/CH2Cl2两相体系中，通过界面缩聚的方法合成了高分子质量的聚碳酸酯。
The initial mass loss temperature, the 60% mass loss temperature of the copolymers of diphenyl ether bismaleimide with diamine and diallyl bisphenol A and its residual char yield at 650℃ were higher than that of 4, 4-diphenyl methane system. The tensile strength of of copolymers of diphenyl ether bismaleimide with expoxy resin was also higher than 4, 4- diphenyl methane.
二苯醚双马来酰亚胺与二元胺及二烯丙基双酚A的共聚物的初始热失重温度，失重60%的温度，650℃时残炭率及其与环氧树脂共聚物的拉伸强度均优于二苯甲烷双马来酰亚胺体系。
Four kinds of copolymers were obtained by the reaction of 4, 4-diphenyl ether bismaleimide or 4, 4-diphenyl methane bismaleimide with diamine, diallyl bisphenol A, expoxy resin. The mechanical properties and the heat resistance of the four kinds of copolymers were compared by DSC, TG analysis and tensile strength test.
通过DSC、TG分析和拉伸性能测试比较了四种由二苯醚双马来酰亚胺，二苯甲烷双马来酰亚胺分别与二元胺，二烯丙基双酚A，环氧树脂共聚得到的产物的耐热性及力学性能。
The rheological property of a bisphenol A cyanate resin was investigated by means of parallel plate method, it was modified by isothermal precure process. The effects of precure process on the chemical structure of resin were studied by IR, DSC and GPC methods.
本文采用平板法研究了一种双酚A型氰酸酯树脂的流变特性，通过恒温预固化的方法对其进行改性，并借助红外光谱、差示扫描量热法和凝胶渗透色谱法等手段分析了预固化对氰酸酯树脂化学结构的影响。
Of all EDCs, Bisphenol A is very important one.
双酚A是其中重要的一种，用途非常广泛。
To observe the effects of bisphenol A on the reproductive function in F1 mice.
目的：探讨双酚A对雄性仔鼠生殖功能的影响。
Bisphenol A is used as raw materials in the production of baby bottles and food packaging materials.
双酚A作为婴儿奶瓶及食品包装材料的生产原料是否对人类的健康有潜在风险以及风险的大小如何，是公众和政府密切关注的问题。
An industry Web site says more than forty years of safety research shows that products made with bisphenol A are safe.
一家行业网站说，40多年的安全研究表明用双酚A制作的产品是安全的。
A series of maleimide-terminated polyimide oligomers were synthesized from the reaction of self-made ten-butyl diamine 1, 4-bis (4-aminophenoxy)-2-tert-butylbenzene and bisphenol A dianhydride 2, 2'-bis [4-(3, 4-dicarboxyphenoxy phenyl] propane dianhydride using maleic anhydride as blocking agent.
采用自制的叔丁基二胺单体1，4-双（4-氨基苯氧基）－2-叔丁基苯与双酚A二酐反应，并以马来酸酐作为封端剂得到了一系列链中含酰亚胺环的内扩链双马来酰亚胺，将所得双马来酰亚胺混合双烯丙基双酚A制得无胶型挠性覆铜板。
Methods The morphological characteristics of seminiferous tubule, vimentin filaments and p53 gene expression in sertoli's cells of adult SD rats orally exposed to 0.5%bisphenol-A were observed and analyzed by histo-chemical and immuno-histochemical methods.
方法通过口服染毒，采用组织化学和免疫组织化学分析双酚A对成年SD大鼠曲细精管细胞的形态结构、波形蛋白及p53表达的影响。
Results After 2-week-exposure to 0.50%bisphenol-A, the disattachment between sertoli's cell and spermatogonia, spermatogonia arranged in disorder and displacement of spermatogonia away from the basement membrance of seminiferous tubules as well as the flocculated chromatins of nuclei in sertoli's cells and spermatogonia were observed.
结果实验表明，两周染毒后0.5％双酚A引起生精细胞与支持细胞发生分离，排列紊乱，从基底膜脱落入管腔，支持细胞和生精细胞核染色质凝聚成絮状；生精细胞和间质细胞p53表达增强4倍；支持细胞波形蛋白消失。