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1.The type of packages and the methods in which it is possible to mount the finished semiconductor chip(depending on factors such as heat dissipation, size, etc.). Packages canbe plastic, ceramic, Cer-DIP, or other type.
封装的类型和方法(它们取决于热耗散和尺寸大小等因素),用此种方式即可安置经过精制的半导体芯片。封装类型可以是塑料型、陶瓷型、陶瓷双列直插型或其它类型。收藏指正
2.Features:Excellent insulation and heat proof, small size, low disspation good reliability of capacitance.
特点:具有更好的绝缘性,耐热性。损耗低,体积小,容量稳定性好。收藏指正
3.Features: Excellent insulation and heat proof, small size, low dissipation, good reliability of capacitance.
特点:具有更好地绝缘性。损耗低,体积小,容量稳定性好。收藏指正
4.Through intercritical heat treatment, the size of aus-tenite grains was reduced to ASTM 12~# (approx).
经临界区热处理的钢,晶粒显著细化,可达ASTM12级左右。收藏指正
5.The effect of heat treatments on microstructure of a cast Ti 47Al 2Nb 2Cr 0 2Si(atom fraction,%) alloy was investigated The results show that the microstructure of the rapidly cooled cast alloy is single γ lamellae structure The phase constitution and grain size of the cast alloy can be adjusted through various heat treatments After a suitable heat treatment, the grain size reaches 40 50μm
研究了不同热处理制度对 Ti- 4 7Al- 2 Nb- 2 Cr- 0 .2 Si(原子分数 ,%)铸造合金组织形态的影响。 研究表明 Ti- 4 7Al-2 Nb- 2 Cr- 0 .2 Si铸造合金快速冷却的铸造组织是单相γ的层片状组织 ;收藏指正
6.The influences pf coprecipitation temperature, doping Antimony content, the type of dispersant, terminal pH value and heat treatment temperature on the particle size and powder resistance were discussed.
系统研究了共沉淀温度、掺锑浓度、滴定终点pH值、分散剂种类以及煅烧温度等对粉体粒径及电学性能的影响规律,对实验结果进行了讨论,优化实验条件,并进行了综合实验研究。收藏指正
7.Decreasing the refrigerant super-heating degree at the outlet of the suction line heat exchanger can reduce the evaporator size, but it simultaneously increases the refrigerant mass flow rate and compressor power.
降低制冷工质在回热器出口处的过热度,可以减小蒸发器的尺寸,但由此带来的不利因素,是需要增加制冷工质的质量流量以及提高压缩机的压缩功率.收藏指正
8.By means of wide-angle X-ray Diffraction (WAXS), Small-Angle X-ray Scattering (SAXS) and IB Specfcroscopy, heat shrinkage, crystallinity, crystallite orientation and size, non-crystalline orientation, long period and regular folded conformation band intensity of the treated yarns were measured.
用X-光衍射(WAXS)、X-光小角散射(DAXS)、红外光谱(IR)和双折射方法,测定样品的热收缩、结晶度、晶粒尺寸和取向、非晶取向、长周期和链折叠带强度。收藏指正
9.Study on Actual Determination and Analysis of Heat Transfer in Electric Enamel Furnace for Glass-lined Equipment with Large Size
大型搪玻璃设备搪3.*烧电炉传热分析与实测的研究收藏指正
10.The characteristics of a micro turbine request a heat exchanger with good reliability, high performance potential, compact size, lightweight, structural integrity and adaptability to automated production.
微型燃机的特点要求回热器具有高可靠性、高回热度、低压力损失、体积小、重量轻、容易实现自动化大量生产等特性。收藏指正
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