This paper describes the net peak counts calculating of nuclide 137Cs at 662keV of γ spectra in airborne radioactivity measurements using multiple linear regressions.
叙述了采用多元线性回归法计算航空放射性测量γ能谱中核素137Cs(662keV)峰净计数的方法。
Research and Application of Aviation Precise Instrument Oil;
航空精密仪表油的研究与应用
The symbolic landmarks in the development of aviation oxygen supply equipment and protection physiology;
航空供氧装备与防护生理学的发展历程
Research on temperature field of powder metallurgy aviation brake assemblage;
粉末冶金航空刹车副温度场的研究
Prospects of application and development of friction stir welding in aerospace and aviation industry;
搅拌摩擦焊在航空航天工业的应用发展现状与前景
The precision forging of titanium alloy for aerospace with good surface quality, precise measurements and stable properties,was successfully manufactured by isothermal forging process,utilizing the superplasticity of titanium alloy under the given conditions.
采用等温锻造工艺,利用钛合金在一定条件下具有超塑性的特点,成功生产出表面质量好,尺寸精确、性能稳定可靠的航空用钛合金精密锻件。
Because of their excellent high specific strength and corrosion resistance,titanium alloys are widely used in aerospace industry.
钛合金以其比强度高、耐腐蚀性好等特点在航空航天领域得到了广泛的应用。
Initiated by American airlines in the 1980s,the airline revenue management has been successfully carrying out and highly valued and utilized rapidly by European airlines.
收益管理于20世纪80年代在美国航空业界兴起,获得了极大的成功,并迅速被欧洲各航空公司采用,现已在全世界的航空公司得到了普及应用,收益管理系统已经成为航空公司的盈利利器。
Chunqiu airline acquired great success depending on self-developing e-commerce system due to the accumulation of ten years IT talent,long-term training of computer information,and innovative corporate culture.
春秋航空依靠自主研发的电子商务系统,获得极大的商业成功。
Current Status and Development Direction of Military Aircraft Power Technology in the World;
世界军用航空动力技术的现状与展望
Improving design of the temperature-controlling device for aircraft Ni-Cd battery;
镉镍航空蓄电池用温控装置的改进设计
The aircraft high voltage DC (HVDC) power supply system having a starter/generator double function is getting a lot of attention recently.
现代电力电子技术的发展使得笼型异步发电机能够适用于航空高压直流系统中。