1) local overheating
局部过热,局部过烧
2) partly over-burning
局部过烧
1.
partly over-burning;the high grade of the inclusions,the network of the primary ferrite in the quenching structure and the small transition radius of the screw thread slot are also the reasons for the rupture.
结果表明,高温热锻时晶界发生局部过烧现象导致晶界弱化是断裂的主要原因;另外夹杂物等级偏高、淬火组织中存在网状铁素体和螺纹退刀槽圆弧过渡半径过小也是造成断裂的原因。
3) partial overheating
局部过热
1.
This paper analyzes and discusses the partial overheating problem affecting normal operation of Primary evaporator' s heater from the aspects of reasons and harmfulness, and proposes the corresponding control countermeasures.
本文通过对影响一段蒸发加热器正常运行的局部过热问题,从原因、危害两方面进行分析讨论,提出了相应的处理措施。
4) Local overheating
局部过热
1.
In this dissertation, a research is made not only on the 3D steady and transient eddy current fields in large transformers,but also on stray losses, the local overheating as well as the mechanical strength of structures after the occurrence of sudden short circuit, using electromagnetic theory and modern numerical methods.
本文运用电磁场理论和现代计算方法,针对大型电力变压器中的三维瞬态、稳态涡流场与工程界普遍重视的降低附加损耗、防止局部过热和保证短路机械强度等问题,进行了全面、深入、系统的研究。
5) partial overheat
局部过热
1.
The causes are H2S corrosion and partial overheat.
通过对爆口样品的电镜检测以及对腐蚀产物的能谱分析、X射线衍射分析和研究,得出了爆管的原因是H2S电化学腐蚀、H2S应力腐蚀与局部过热所造成的钢管显微组织石墨化的判据,为研究深冷装置爆管现象提供了理论依据,并提出了5条防护措施。
6) local overheat
局部过热
1.
Since the 500 kV parallel reactors that are made in China or in Japan for the Gezhouba Power Plant were put into operation, the local overheat has occurred in every reactor.
葛洲坝水力发电厂国产和日产的 5 0 0kV并联电抗器投运以来 ,均出现局部过热现象 ,表现在油色谱上是总烃超过注意值、乙炔增高。
2.
The results showed that plunger bushing took place local overheat in heating process.
结果表明:柱塞套在淬火加热过程中局部过热,引起显微组织及奥氏体晶粒粗大,降低了材料的强度,导致在柱塞套淬火过程中引起淬火裂纹。
补充资料:过烧
分子式:
CAS号:
性质:制品超过烧成温度称为过烧。过烧的制品易出现变形、尺寸不符合要求、坯体或釉面有气泡等。瓷体内部液相(玻璃相)增加、晶界变宽、易出现晶体异常长大、晶粒不均匀、致密度和强度下降等。导致过烧的原因是烧成温度过高,保温时间太长。窑内温度不匀也会造成局部过烧。
CAS号:
性质:制品超过烧成温度称为过烧。过烧的制品易出现变形、尺寸不符合要求、坯体或釉面有气泡等。瓷体内部液相(玻璃相)增加、晶界变宽、易出现晶体异常长大、晶粒不均匀、致密度和强度下降等。导致过烧的原因是烧成温度过高,保温时间太长。窑内温度不匀也会造成局部过烧。
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参考词条