It is proved by fractal theory that the welded state of every micro zone at welded surface is uneven in the formation process of isothermal superplastic solid-state welding joint.
这也从分形理论的角度证明了在超塑性固相焊接头的形成过程中，焊接面各微区的焊合状态是非均匀性的。
The microwave solid state noise diodes are investigated based on the PN junction avalanche multiplication theory with tunneling penetration.
本文以带有隧道穿透的PN结雪崩倍增理论，研究了微波固体噪声二极管。
Research on that metallic melts transforms from liquid to solid state based on heat transfer theory is an important discipline in casting solidification.
研究基于热传输理论的熔融金属从液体转变到固体状态变化过程是铸件凝固研究的重要分支。
The other work is the theory study on the relaxation oscillation of solid-state lasers.
另一方面的工作是对固体激光器的弛豫振荡的理论研究。
In this paper, a thermodynamic model of gas? Liquid? Solid phase equilibration is proposed on the basis of the equation of state and solution theory.
采用状态方程和溶液理论相结合，建立气—液—固三相相平衡热力学模型。
Then the pulsed solid state laser power and mask machining system is designed through simulations and experiments. And the system working theory is also analyzed.
通过仿真与试验，设计了脉冲固体激光掩膜加工器的电源电路及控制系统，并详细地分析了它的工作原理。
This class will study some of the changing ideas within modern physics, ranging from relativity theory and quantum mechanics to solid-state physics, nuclear and elementary particles, and cosmology.
本课程将会研究现代物理学中在概念上的变迁，从相对论、量子力学到固态物理、原子核与基本粒子、还有宇宙论。
It has key courses of microelectronics: solid-state electronic theory, microelectronic devices and principles, integrated circuit design, micro-electronics processing, etc.
目前承担微电子专业方向的主干课程：固态电子论、微电子器件与原理、集成电路设计，微电子工艺等课程。
It has key courses of microelectronics: solid-state electronic theory, microelectronic devices and principles, integrated circuit design, micro-electronics processing, etc.
目前承担微电子专业方向的主干课程：固态电子论、微电子器件与原理、集成电路设计，微电子工艺等课程。
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