The melt act of PBT is studied by DSC measurement.
同时还用DSC法分析了所合成PBT的熔融行为。
The introduction of PBT segments in the copolyester is favorable for PET crystallization.
PBT链段的引入增强了PET分子链段的柔顺性，有利于提高PET链段的结晶能力。
PBT exhibits good chemical stability, fast crystallization rate and excellent processing property.
PBT本身具有化学稳定性好、结晶速度快、加工成型方便等优势。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composites.
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite...
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
The influence of composite nucleating agent HCA-1 on the crystallization of PBT was investigated by means of DSC.
采用差示扫描量热仪dsc研究了复合成核剂hca - 1对聚对苯二甲酸丁二醇酯pbt结晶性能的影响。
The results showed that the addition of KTR-6C improved the compatibility, processing flowability and appearance of PC/PBT.
结果表明，KTR-6C的加入，改善了PC/PBT之间的相容性，改善了PC/PBT共混体系的加工流动性能和外观。
Our experts in the fields of human and environmental safety help in classifying product ranges on the basis of PBT criteria.
我们的人类和环境安全领域的专家可以帮助您根据PBT标准对产品进行分类。
We mainly focus on the threshold voltage shift under subsequent positive bias temperature (PBT) stress after the preceding NBT.
主要集中在对器件施加nbt和随后的PBT应力后器件阈值电压的漂移上。
Poly(butylenes terephthalate) (PBT) is one of the five important engineering plastics, which had been used widely in many fields.
聚对苯二甲酸丁二醇酯（PBT）作为五大通用工程塑料之一，其应用领域非常广泛。
The paper briefly describes the characteristics of PBT material in recent market and gives a reference to select PBT in practical use.
本文简述了目前市场上各种PBT材料的特点，提出了选用PBT材料的一些参考意见。
PBT is a thermoplastic engineering plastic with good properties, it is called the five general engineering plastic with PPO, PC, POM and PA.
聚对苯二甲酸丁二醇酯（PBT）是一种性能优良的热塑性工程塑料，它与PPO、PC、POM和PA共称为五大通用工程塑料。
In this paper, the conditions resulting in the unusual spherulites of PET and PBT were investigated by small Angle laser scattering instrument.
本文用小角激光散射仪考察了PET和PBT变态球晶的形成条件，采用模型法分析了变态球晶的内部结构。
Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT).
分组传送网(PTN)技术包括传送多协议标签交换(T - MPLS)和运营商骨干传送(PBT)。
As accelerator for PET, PBT could decrease the cooling crystallization temperature and increase the melt crystallization temperature of recycled PET.
PBT作为PET结晶促进剂，降低回收PET的冷结晶温度，提高热结晶温度。
The crystallization property of PET-PBT copolyester has been investigated by means of differential scanning calorimetry (DSC) and X-ray in this paper.
运用差示扫描量热法(dsc)等分析手段研究了PET -PBT共聚酯的结晶性能。
To analyze the market situation of PBT before and after anti-dumping, the background and reason of antidumping. To forecast PBT market demand in the future.
分析了PBT反倾销的背景及原因，以及反倾销前后的市场情况，对未来PBT市场需求作了预测。
Taking the Balda camera as an example, the article introduces the application of such engineering plastics as PC, POM, ABS, PBT, PA in the camera and their technical characteristics.
以巴尔达照相机为例，分析介绍了PC、POM、ABS、PBT、PA等工程塑料在照相机中的应用情况和技术特点。
Objective: To investigate naloxone's effect on partial pressure of brain tissue oxygen pressure (Pbt O2), intracranial pressure(ICP) and prognosis in patients with severe head injure.
目的：观察纳络酮对重型颅脑损伤患者颅内压和脑组织氧分压变化的影响及其临床意义。
It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.
该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。
PBT (Problem-based teaching, literally means teaching based on problems) as a good teaching mode, has been widely adopted by foreign medicine schools, but it is still on experiment in China.
基于问题的教学是一种很好的教学模式，在国外医学院已经被广泛采用，但在国内还处于试行阶段。
PP and PBT melt —blown nonwoven have been applied widely in blood filter but the filtering efficiency is low due to their poor hydrophilicity, then the modifications of nonwoven are necessary.
PP及PBT熔喷非织造布在血液过滤方面有广泛的应用，但其吸水性较差，从而影响了过滤效果。
The shell is made from heat resistant and heat conductive PBT engineering plastic. The product is applicable to the externally installed plastic sealed motors and household electric appliance.
外壳采用耐高温，热传导快的高强度PBT工程塑料制造，适用于塑封电机外置式安装及家用电器的安全保护。
The raw product from hydrogenation is continuously rectified. 1,4-Butanediol from continuous rectification is subject to PBT polymerization test, and is found to be up to the polymerization grade.
对加氢所得的1，4-丁二醇粗产品进行了连续精馏和PBT聚合试验，表明试验所得的1，4-丁二醇产品达到了聚合级要求。
After false texturing the degree of crimp, crimp contraction, crimp modulus and crimp stability of PBT/PET fiber are all in the optimum condition, the elasticity of its woven fabric can be over 23%.
且证明了PBT/PET并列型复合纤维经假捻变形后其卷曲度、卷曲收缩率、卷曲模量、卷曲稳定性处于最佳状态，经机织后织物的弹性可达23％以上。
After false texturing the degree of crimp, crimp contraction, crimp modulus and crimp stability of PBT/PET fiber are all in the optimum condition, the elasticity of its woven fabric can be over 23%.
且证明了PBT/PET并列型复合纤维经假捻变形后其卷曲度、卷曲收缩率、卷曲模量、卷曲稳定性处于最佳状态，经机织后织物的弹性可达23％以上。
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