电动机在制造的过程中,随着加工质量的变化会产生温升的变化,其允许的最高温度就是电动机绕组最高能承受的温度。若电动机使用温度过高,会导致电动机绝缘材料发生性能的恶化,如其物理性质、化学性质等,造成绝缘材料的老化甚至毁损。因此,必须注重电动机在制造过程中的降低温升措施,通过不同的方法实现对其温升的控制,延长电动机寿命。
Using a rat model of hemiparkinsonism, we examined the time-course of D1 agonist, SKF-38393-induced changes in extracellular signaling regulated kinases 1/2 (ER
To examine the sex differences in the crowing behavior of the Japanese quail, we investigated the effects of sex steroids on calling behaviors using female bird
The endogenous opioid system plays a significant role in the modulation of distress in many psychiatric, neurologic, and neurodevelopmental disorders. Many clin
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采用水解–沉积法,在不同焙烧温度下制备了cat-500、cat-600、cat-700和cat-800系列Ni O/γ-Al2O3催化剂。XRD和H~（2-）TPR分析表明,焙烧温度高于700℃,活性组分与载体具有强烈
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Trigeminal ganglia neurons significantly affect the amplitude and type of 5-HT receptor gene expression following activation of their axon terminals and sensiti
While the endogenous opioid system has generally been associated with regulation of pain, it also modulates the experience of distress and may play a central ro
高导热氮化硅陶瓷是大功率电力电子器件散热的关键候选材料。研究采用稀土氧化物（Re2O3）和氧化钛（Ti O2）烧结助剂体系,通过低温常压烧结方法来制备氮化硅陶瓷,以有效降低成本,满