The temperature distribution of the aluminum film and polymethyl methacrylate substrate are obtained in radial orientation and angular orientation at various time 采用铝薄膜和有机玻璃为基底的慢基底快涂层式组合，分别得到了不同时刻薄膜铝和基底有机玻璃中的温度场随径向和周向的分布曲线。
4.
By mingling these four kinds of compounds with the monomer ( mma ) of polymethyl methacrylate , respectively , we prepared metal phthaloyanine / polymethyl methacrylate ( pmma ) composite materials which have nonlinear optical properties 分别将四种化合物掺入聚合物单体( mma )中，制备出具有非线性光学性质的金属酞菁/聚甲基丙烯酸甲酯( pmma )复合材料。
5.
Light gas gun was used to create shock pressure . staged samples , cuneiform window with aluminium coat on the reflecting surface and visar ( velocity interferometer system for any reflector ) were employed in the experiments . polymethyl methacrylate and ofhc copper were assembled as the impactor to impact staged samples 采用气炮加载，利用台阶样品、双点式visar ( velocityinterferometersystemforanyreflector )和镀膜楔形窗口技术，以有机玻璃和无氧铜组合为飞片，碰撞无氧铜台阶样品。
6.
Then based on the principle for pcr , 20 - cycle continuous - flow pcr is designed using cad software . to the designed 20 - cycle continuous - flow pcr chip , a krf excimer laser ( direct write method ) is adopted as the fabrication technology , and the polymethyl methacrylate ( pmma ) is selected as the substrate . so the appearances of pmma surface etched before and after by 248nm excimer laser under different incident fluences are analyzed using sem 为此在应用扫描电镜和三维形貌分析仪对pmma表面被准分子激光刻蚀前后的形貌、刻蚀粗糙度以及单脉冲刻蚀率等进行详细分析的基础之上,总结出了准分子激光刻蚀pmma的宏观规律和微观刻蚀机制,提出了一种准分子激光刻蚀pmma的是光热光化学以及羽辉共同作用的理论解释。
7.
High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity , and high pressure was produced when flyer impacting with the sample . in the experiments , the impactor was brass and target was ofhc copper . by measuring the shock wave velocities of hr2 steel , high - density glass , aluminium alloy ( ly12 / lf6 ) , magnesium - aluminium alloy ( mb2 ) , polymethyl methacrylate and air , shock pressure and release isentrope of ofhc copper have been obtained 采用化爆加载、平面波发生器和空腔增压技术，以黄铜为飞片，无氧铜为靶板，测量了抗氢钢( hr2 ) 、重玻璃( sio _ 2 ) 、铝合金( ly12 lf6 ) 、镁铝合金( mb2 ) 、有机玻璃( pmma ) 、空气( air )和无氧铜( ofhccopper )各阻抗匹配样品中的冲击波速度，上述材料的hugoniot状态参数c _ 0 、均为已知，由此确定了无氧铜的冲击加载压力和等熵卸载后的状态，得到了等熵卸载路径。
