1) poly(ethylene terephthalate)
PET
1.
Studies on the Lipase Monolayer Film Self-assembly on the Nagatively Charged Poly(ethylene terephthalate) Substrate;
脂肪酶在负离子化PET表面的单分子层自组装膜研究
2.
Carbon black(CB) was added into poly(ethylene terephthalate)/polyethylene(PET/PE) blend by discretely feeding technology and fiber grade PET/PE/CB conductive master batch with good combined properties was prepared in reciprocating pulsation extruder.
采用分离喂料技术在聚对苯二甲酸乙二酯(PET)/聚乙烯(PE)共混物中加入导电炭黑(CB),通过布斯往复式脉动挤出机熔融共混、挤出造粒,制备了综合性能较好的纤维级PET/PE/CB导电母料。
2) Positron emission tomography
PET
1.
Methods Neurological and scalp EEGs were performed in 35 patients with posttraumatic epilepsy, who also underwent CT, MRI examination, single photon emission computerized tomography (SPECT) and positron emission tomography (PET) prior to intracranial surgery, with intraoperative monitoring of the cortical EEG.
方法对35例创伤性癫痫病人进行电生理学、CT、MRI、SPECT及PET检查后行外科治疗,开颅手术病例术中行皮层脑电监测。
2.
Objective To localize the epileptic foci with positron emission tomography (PET), and study the principles of target definition and method to determine the optimal range of exposure in radiosurgery for intractable epilepsy.
目的 利用PET致痛灶定位,研究放射外科治疗顽固性癫痫的靶区设定原则,确定最佳周边剂量范围。
3) polyester
[英][,pɔli'estə(r)] [美]['pɑlɪ'ɛstɚ]
PET
1.
Uncertainty evaluation of photometric determination of the carboxyl end group in polyester;
光度法测定PET中端羧基的不确定度评定
2.
Using carbon black as conductive medium and polyester as matrix the carbon black/polyester composite fiber was prepared with the blend method.
以碳黑为导电介质,以PET为基体,用共混方法纺出共混导电纤维。
3.
The development and current situation of polyester catalysts were introduced.
介绍了PET催化剂的发展及现状,简要比较和评价了各种锑系催化剂及应用,对目前国内外较为关注的各种钛系催化剂及应用概况、合成技术等进行了分析和总结,对新型催化剂的发展趋势进行了展望。
4) waste PET
废PET
1.
Nano TiO2 modified unsaturated polyester resin is prepared by waste PET and nano TiO2.
利用废PET和纳米TiO 2制备了纳米改性不饱和聚酯树脂,和苯乙烯交联固化形成不饱和聚酯涂层,研究了不同纳米TiO 2的添加量对涂层性能的影响。
2.
The technology of depolymerizing waste PET by uniting the ethandiol and the Luis alkali as reacting medium can make it true quickly and completely depolymerizing waste PET to TPA and EG for recycle at 180℃ and at the normal atmosphere pressure within 40 minutes .
研究表明该体系解聚速度和分解率受反应温度、废PET比表面、NaHCO3过量程度等因素的影响。
3.
The way to implement chemical recylcling by catalytic degradation of waste PET under normal pressure was researched in this paper.
研究了一种应用微波技术在常压下对废PET催化降解以实现化学回收的方法。
5) PET film
PET膜
6) PET bottle
PET瓶
1.
Technological requirements for aseptic filling for PET bottles and verification concerned;
PET瓶无菌灌装技术的工艺要求和验证结果
2.
Effect of different PET bottles on the quality of 100% orange juice
不同PET瓶对100％橙汁质量的影响
补充资料：PET
聚对苯二甲酸乙二醇酯是由对苯二甲酸二甲酯与乙二醇酯交换或以对苯二甲酸与乙二醇酯化先合成对苯二甲酸双羟乙酯，然后再进行缩聚反应制得。属结晶型饱和聚酯，平均分子量(2-3)×104，重均与数均分子量之比为1.5-1．8。相对密度1.368．熔点225℃，流动温度243℃：，玻璃化温度80℃，马丁耐热80 ℃，热变形温度98℃(1. 82MPa)，分解温度353℃。具有优良的机械性能．刚性高．硬度大，吸水性很小，尺寸稳定性好。韧性好，耐冲击、耐摩擦、耐蠕变。耐化学性好，溶于甲酚、浓硫酸、硝基苯、三氯醋酸、氯苯酚，不溶于甲醇、乙醇、丙酮、烷烃。使用温度-100～120℃。
弯曲强度 148-310MPa
吸水性 0. 06％-0.129％
冲击强度 64.1-128J／m
洛氏硬度 M 90-95
伸长率 1.8％-2.7％
弯曲强度 148-310MPa
吸水性 0. 06％-0.129％
冲击强度 64.1-128J／m
洛氏硬度 M 90-95
伸长率 1.8％-2.7％
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条