| 1. | It is applied in sources of microwave energy of industrial purpose
它应用在工业微波能量源上。 |
| 2. | " heat " measure （ i . e . to transform microwave power to heat energy ） is the most familiar way to measure microwave power
测量微波功率最常用的方法是“热”方法，即把微波能量转换成热能。 |
| 3. | If solvents are used for microwave - assisted extractions , there must be sufficient polar solvents in the mixture
微波辅助萃取方法利用微波能量快速高效加热溶剂。萃取在完全密封系统内高温控制，极大降低萃取时间。 |
| 4. | The energy will couple in the region of diode and decrease the output power , if there is no reflector placed in front of the sws at the end of beam injection
对于这种振荡器如果在电子注输入端没有反射器,微波能量将耦合到二极管区,使辐射到空间的微波能量减少。 |
| 5. | As the key component of the beam - wave interaction of a traveling wave tube ( twt ) for exciting microwave energy , the slow - wave structure ( sws ) basically determines the performance of the twt
慢波系统作为行波管注波互相作用以激励微波能量的核心部件，它的优劣直接决定了行波管的性能。 |
| 6. | The physical characteristic of forming plasma within resonant cavity was revealed , i . e . the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work . the main influencing factors of mpt ' s steady work were studied . anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing
分析了mpt谐振腔内微波能量的转换过程，揭示了其内等离子体的形成是由mpt启动初期的强电场电离形成放电区过渡到稳定工作期的热电离形成稳态等离子体区这一物理本质；研究了影响mpt稳定工作的主要因素，指出微波有效功率与谐振腔内气体压强的匹配是维持等离子体稳定、避免等离子体消失、放电区熄灭的关键因素。 |
| 7. | Travelling wave tubes （ twt ） are the heart parts of radar systems ， communication systems ， electronic countermeasures ， remote - control & test device ， accurate guidance equipment , etc . as the main component of the beam - wave interaction of a travelling wave tube for producing microwave energy , the solw - wave structure ( sws ) is the key of the twt . it basically determines the performance of the twt
行波管是雷达、通信、对抗和精密制导等设备的“心脏” ，而慢波系统作为行波管进行注波互作用激励微波能量的主要部件，是行波管的核心，其性能优劣直接决定高功率微波源的性能。 |
| 8. | The gas sources that we used are trimethylgallium ( tmg ) and 99 . 9999 % purity nitrogen , which were fed into reaction chamber and resonance cavity respectively . the highly dense ecr plasma up to 1011cm - 3 was created in the resonance cavity and introduced to the next reaction chamber by the force of divergent magnetic field . consequently , gan thin film was grew on the substrate sapphire ( 0001 ) placed in the downstream
实验采用有机金属三甲基镓气源( tmg )和99 . 9999纯度的氮气，在ecr - pecvd150装置共振腔内电子回旋共振吸收微波能量产生的高密度ecr等离子体在磁场梯度和等离子体密度梯度的作用下向下级反应室扩散，在放置于下游区样品台上的- al _ 2o _ 3衬底表面附近发生物理化学反应沉积成gan薄膜。 |
