PTC, an engineering services company, acquired the rights to MathCAD in2006. PTC是一家工程设施公司,于2006年收购了MathCAD的股权。
Objective To get a better understanding of the operating process of PTC and PTCD and potential accompanied diseases after operation. 目的加强对经皮肝穿刺胆道造影(PTC)和引流(PTCD)操作过程中要点和术后并发症的认识。
Fabrication and PTC properties of donor doped BT-BNT ceramics 施主掺杂BT-BNT陶瓷的制备及其PTC性能研究
The laser power density and the temperature of post heat processing have great effect on the sheet resistivity and TCR of PTC thermistor, and there exist optimum values for these parameters. 激光功率密度和后续热处理温度对PTC热敏电阻方阻和电阻温度系数影响较大,并都存在一个最佳值。
The internal and external walls of the ceramic PTC heater are jacketed with the inner and outer radiators. 陶瓷PTC加热器的内壁和外壁套有内散热器和外散热器;
Firing temperature for the production of special circuits in the internal connection and End Lead, PTC thermistors, and semiconductor ceramic device electrodes. 适用于中温烧成制作特种电路的内部连线及端头引出线,PTC热敏电阻及半导体陶瓷器件电极等。
Improvement in PTC Effect of ( Ba, Sr) TiO_3 Semiconducting Ceramics (Ba,Sr)TiO3半导化陶瓷PTC效应的改善
Effect of temperature on dielectric constant and dielectric loss factor of insulating paper a new diesel injector with PTC materials 温度对绝缘纸介电系数和损耗角正切的影响一种带正温度系数材料加热的柴油喷油器
Objective To investigate the characteristics of RET/ PTC and H4-PTEN rearrangement and the association between gene rearrangement and clinicopathological properties of thyroid carcinoma. 目的研究中国人甲状腺肿瘤的RET/PTC和H4-PTEN基因重排的规律及其与临床病理的联系。
Study on HDPE/ Graphite PTC Conductive Composites Prepared by Solution Mixing 溶液法聚乙烯/石墨PTC导电复合材料的研究
Effect of glass on phase interface and electrical properties of PTC composite 玻璃料对复合PTC材料相界面及电性能的影响
What will take them to understand that "you know what" just destroys a PTC? 以什么他们明白,“你知道什么”只是摧毁了PTC公司的?
In order to improve the cold-start performance and emissions of diesel engine, this paper presents a way to use PTC material heating diesel fuel in the injector. 为改善柴油机冷启动性能和冷启动排放,提出了一种用PTC材料内置喷油器加热柴油的方法。
Polythene and Carbon Black Composite Material PTC Intensity Study 聚乙烯炭黑复合导电材料PTC强度的研究
When the circuit breaks down next time, the PTC Thermistor can enter the state of protection again. 下次电路再出现故障时,过载保护PTC热敏电阻又可以进入保护状态。
The depth of PTC affects the procedure for cochlear implant surgery via mastoid process-facial recess approach. 后鼓室的深浅对该进路的人工耳蜗植入手术的难易程度有重要影响;
Meanwhile, PTC Thermistor is heated to above the Curie temperature, Rt heating temperature exceeding the switch temperature TSW and leaping to the state of high resistance too. 与此同时,PTC热敏电阻也被加热到居里温度以上,Rt发热温度超过开关温度Tsw跃入高阻状态。
The influences on PTC taste genetype to the bitter and astringent vegetable sense of taste ability 苯硫脲味盲基因型对苦涩蔬菜味觉能力的影响
In this experiment, high quality PTC powder was prepared by oxalate coprecipitation process. 本实验采用草酸盐共沉淀法制备含掺杂物的高性能PTC粉体。
This requirement is not applicable to heating conductors in PTC heating elements. 本要求不适用于PTC发热元件中的发热导体。
Constant current discharge of high capacity batteries based on PTC ceramic resistance 基于PTC陶瓷电阻的大容量蓄电池组恒流放电
Effect of sintering temperature of liquid additives on the batio_3-based lead-free PTC ceramics 液相添加剂对BaTiO3系无铅PTC陶瓷烧结温度的影响
This report is an outlined on the application and the study of synthesis by PTC in the laboratory and recent industrial production situation of benzyl alcohol. 本文就苯甲醇的应用,实验室相转移合成的研究,以及工业生产近况进行了概述。
Experimental research on composite foundation with different PTC piles 不同类型PTC桩复合地基试验研究
In this paper, the complex impedance property of PTC ceramics has been investigated. 本文研究了PTC陶瓷的复阻抗特性。
The Influences of Donor Dopants at A Site on the Properties of the PTC Ceramic A位施主掺杂剂对PTC陶瓷性能的影响
Conclusions: The aggressiveness and morphological features of Chernobyl childhood PTCs are not associated with radiation exposure. 结论:儿童时期接触黑钙土的PTC患儿的肿瘤的侵袭性和形态学特征与放射性暴露无关。
Preparation and Electrical Properties of ( Ba, Sr) TiO_3 Based PTC Composite with Low Resistivity 低阻钛酸锶钡基PTC材料的制备与电性能
Contrast research in PTC and MRCP diagnosing malignant obstructive jaundice and instructing treatment value PTC与MRCP对恶性梗阻性黄疸的诊断及指导治疗价值的对比研究
Effect of Sintering Aids on Microstructures and Electrical Properties of PTC Composite 助烧剂对复合PTC材料微观结构和电性能的影响