Chinese translation for "硼铝"
|
- boron aluminum
boron-aluminum
Related Translations:
- Example Sentences:
| 1. | The reaction between the boron carbide and aluminum interface changes the properties of the composites during the post infiltration heat treatment
碳化硼与铝界面的反应是热处理改变碳化硼铝复合材料性能的基础。 | | 2. | Tourmalines are borosilicates with a very complex structure . the colours are caused , among other things , by tiny amounts of foreign matter and trace elements
是极为复杂的硼铝硅酸盐，其中可含一种或数种以下成分：镁钠锂铁钾或其他金属。 | | 3. | You may well ask how that is possible . tourmalines are mixed crystals of aluminium boron silicate with a complex and changing composition . it s a rather complex mineral group
是极为复杂的硼铝硅酸盐，其中可含一种或数种以下成分：镁钠锂铁钾或其他金属。 | | 4. | In order to understand this variety of colour , you will have to brush up your knowledge of gemmology a little : tourmalines are mixed crystals of aluminium boron silicate with a complex and changing composition
是极为复杂的硼铝硅酸盐，其中可含一种或数种以下成分：镁钠锂铁钾或其他金属。 | | 5. | The magnet system by the magnet smco magnet , ndfeb magnet , ainico magnet or ferrite magnet other some spare parts is composed , the rubber , the iron stock all possibly become magnetism system a part
磁铁系统由磁铁钐钴钕铁硼铝镍钴或铁氧体其它一些零部件组成，橡胶铁件都可能成为磁系统的一部分。 | | 6. | With the development of doping technology , the formation of the base region in high - voltage transistor can be made by b diffusion technology , b - a1 paste - layer diffusion technology , close - tube ga - diffusion technology and open - tube gallium - diffusion technology
随着掺杂工艺的不断发展，高反压晶体管基区的形成经历了扩硼工艺、硼铝涂层扩散工艺、闭管扩镓工艺到开管扩镓工艺的发展。 | | 7. | At the initial stage of planar technique , b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region , and the good shield effect of sio2 film to b . but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient , the linear slowly - changed distribution of acceptor b in pn junction can not be formed , which could not cater to the requirement of high - reversal - voltage devics . thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed , while the former can lead to relatively large the base - region deviation and abruptly varied region in si , which caused severe decentralization of current amplification parameter , bad thermal stability and high tr ; the latter needed the relatively difficult pack technique , with poor repeatability , high rejection ratio , and poor diffusion quality and productio n efficiency
在平面工艺初期，由于b在硅中的固溶度、扩散系数与n型发射区的磷相匹配， sio _ 2对其又有良好的掩蔽作用，早被选为npn硅平面器件的理想基区扩散源，但b在硅中的固溶度大( 1000时达到5 10 ~ ( 20 ) ，扩散系数小， b在硅中的杂质分布不易形成pn结中杂质的线性缓变分布，导致器件不能满足高反压的要求，随之又出现了硼铝涂层扩散工艺和闭管扩镓工艺，前者会引起较大的基区偏差，杂质在硅内存在突变区域，导致放大系数分散严重，下降时间t _ f值较高，热稳定性差；后者需要难度较大的真空封管技术，工艺重复性差，报废率高，在扩散质量、生产效率诸方面均不能令人满意。 |
- Similar Words：
- "硼磷酸钠液体混合物" Chinese translation, "硼磷酸盐" Chinese translation, "硼磷酸盐玻璃" Chinese translation, "硼硫酸钾钠" Chinese translation, "硼硫酸钠" Chinese translation, "硼铝钙石" Chinese translation, "硼铝镁石" Chinese translation, "硼铝石" Chinese translation, "硼铝铁" Chinese translation, "硼氯定混剂" Chinese translation
|
|
|
