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摘要:
通过对电厂#1、#2汽轮机组给水泵密封水回水系统研究,结合汽动给水泵结构特点,综合了单级水封、多级水封、和带水箱密封水回收系统的优点,经过对机组密封水系统的改造,彻底地解决了给水泵润滑油系统进水、密封水不能回收的问题。对同类型660MW超超临界机组给水泵密封水回收系统和给水泵组稳定运行有一定的借鉴..
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摘要:
针对东汽生产的超超临界N660-25/600/600汽轮机在启动或停机过程中,汽轮机#1、#2轴瓦出现低速碾瓦事故,对汽轮机顶轴系统和润滑油系统、汽轮机启动运行方式、可倾瓦轴承结构进行研究,对可能导致轴瓦低速碾瓦的原因进行分析,采取了相应的技术措施,重新增加了#1、#2轴承顶轴油系统;加大了#1、#2轴瓦进油节流孔..
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材料科学与工程 材料物理与化学,外文文献翻译及原文Low temperature solid phase crystallization of amorphous silicon at 380 °C在380°C低温的非晶硅薄膜的固相晶化
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材料科学与工程 材料物理与化学,外文文献翻译及原文The effect of air velocity on thermal comfort at moderate activity levels空气流动速度对中等活动水平人体热舒适的影响ABSTRACTThe primary purpose of this study was to determine if the thermal comfort of subjects workingat a moderate level of activity ..
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材料科学与工程 材料物理与化学,外文文献翻译及原文Effect of the personalized ventilation on indoor air quality for an indoor occupantwith VOCs emission from carpet室内含有VOC时个性化通风系统对空气质量的影响AbstractPersonalized ventilation (PV) is aimed to improve the quality of inhaled air by deli..
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材料科学与工程 材料物理与化学,外文文献翻译及原文A New Magnetically Ordered Polymorph ofCuMoO4: Synthesis and Characterization of c-CuMoO4一种新的磁有序的多晶形态CuMoO4的合成与表征
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材料科学与工程 材料物理与化学,外文文献翻译及原文Properties of Silicon Doped with Iron or Copper铁或铜掺杂的硅特性Iron introduces a donor level into silicon at 0.40 ev from theva lence band observed both in crystals doped in the melt and incrystals into which iron was diffused at 1200'C. This lev..
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材料科学与工程 材料物理与化学,外文文献翻译及原文Preparation and luminescent properties of CaAl2O4:Eu3+,R+(R=Li, Na, K)phosphorsCaAl2O4:Eu3+,R+ (R=Li, Na, K)荧光粉的发光性能及其制备Abstract: CaAl2O4:Eu3+, R+(R=Li+, Na+, K+) red phosphors were synthesized by solid state reaction method. X-ray diff..
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材料科学与工程 材料物理与化学,外文文献翻译及原文Crystallized Si films by lowtemperature rapid thermal annealing ofamorphous silicon低温快速热处理制备多晶硅Low~temperature rapid thermal annealing has been used to crystallize both undoped anddoped amorphous silicon (a-SO films deposited at low tem..