The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。
PTC Heater is a kind of new surface-insulated one.
PTC发热芯是一种表面绝缘的新型PTC 发热体。
PTC, an engineering services company, acquired the rights to MathCAD in 2006.
PTC是一家工程设施公司，于2006年收购了MathCAD的股权。
Bonding of the PTC heater to metal part can widen its application range.
PT C发热元件与金属件相结合，可进一步拓宽其应用领域。
The M90 fuel and PTC heater are used to improve the cold starting performance.
采用M90甲醇燃料和PTC加热器来改善甲醇发动机冷起动性能；
I'm going to blog later today and tomorrow and share my thoughts about PTC strategy.
今天晚上或明天我会再发一篇博文，分享我对PT C产品策略的一些见解。
Several fundamental characteristics and applications of the PTC thermistor are proposed.
叙述了PT C热敏电阻的几种基本特性及其应用。
So, today I can see some holes in the PTC solutions targeting smaller manufacturing companies.
所以我今天依然能看到，专注于小型制造企业的PTC解决方案还是有些不足之处。
At the same time, it will be interesting how PTC customers will be moving to the "post-PC" era.
同时，我也很好奇ptc的客户将如何过渡到“后PC”时代。
Mandelic acid was synthesized by means of ultrasonic phase transfer catalysis(PTC) method.
采用超声波相转移催化技术合成了扁桃酸。
The main catalysts used are PTC, strong acidic ion-exchanging resin, solid super acid, etc.
主要的催化剂有季铵盐、强酸性离子交换树脂、固体超强酸等。
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PT C粉体。
PTC thermistors are absolutely necessary if these motors are used for converter-fed operation!
如将电机用于变频供电运行，则安装 PTC热敏电阻是必要的！
Conclusion: Tumour local aggression and distant metastasis were the main lethal factors of PTC.
结论：肿瘤局部侵犯及血行转移是主要致死因素。
I found Planet PTC very energetic and enjoyed communicating with the executive and marketing team.
我发现PlanetPT C处处充满活力，跟执行团队和市场团队聊天让我感到很愉快。
I've heard PTC talking about the cloud as a "deployment option". You can deploy to Amazon, Azure, etc.
我听说“云”对于PTC是一种“配置选项”，你可以将系统配置到亚马逊和Azure等等。
Moreover, the PTC intensity was enhanced and the NTC intensity was decreased by radiation crosslinking.
另外，辐照交联可以很好地增加材料的PTC强度和降低负温度效应（NTC） 。
I think some of the things PTC is thinking and working about are very promising and following industry demands.
我对PTC现在正在谋划和已经开始着手做的某些事情充满希望，这些事都紧跟行业需求。
After PTC fuses are manufactured, a lot of high-demanding tests must be carried out to ensure their quality.
为了保证PT C自恢复保险丝的品质，在开发与制造中必须对其进行全面、严格的测试。
[OMG04] Object Management Group, UML 2.0 Superstructure, Available Specification, OMG document ptc/04-10-02, 2004.
对象管理组织,UML 2.0上层架构 ,可用规范,OMG文件ptc/04-10-02, 2004.
Many theoretic model about the mechanism of the PTC properties of polymer/carbonblack composites are suggested.
关于聚合物／炭黑复合材料PTC特性的机理研究，提出了许多理论模型。
The interest to mobile is very high these days, and it is a good sign to see PTC jumping to the PLM mobile race.
这些日子人们对移动热情高涨，PT C跃进PLM移动应用的行列是一个好的开端。
Railway Construction in the United States must meet the requirements of PTC, and faced with the existing system.
在美国修建铁路必定要满足PTC要求，并且面临与既有系统相结合问题。
For the present, safety systems such as PTC will not be sufficiently capable in most cases to address this type of hazard.
目前，现有的安全系统，如PTC(列车自动控制系统)，在许多情况下面对此类危险都不能提供足够的安全保证。
So is the Positive TemperatureCoefficient (PTC) switch, a device that is supposed to keep the battery from overheating.
正温度系数(PTC)转换器也是如此，它可以避免电池组过热。
So is the Positive TemperatureCoefficient (PTC) switch, a device that is supposed to keep the battery from overheating.
正温度系数(PTC)转换器也是如此，它可以避免电池组过热。
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