A whole-body counter is used for direct measurement of body radioactivity made in programmes of internal dosimetry for occupational radiation monitoring.
准确测量人体内的放射性核素种类、含量和分布是估算人体内照射剂量，评估健康效应的基础。
The Unsteady loading noise generated by interaction of a front rotor wakes with an aft rotor in a counter-rotating propeller is analyzed and the noise radiation formula are derived.
叶片非定常力的计算是气动声学预测不可缺少的一环，长期以来用于气动声学预测的非定常力模型大多采用了Sears函数方法。
Methods A moderated BF3 proportional neutron counter was used for measurement of neutron dose of cosmic radiation in cabin of B-747 flying from Beijing to New York and Beijing-Stockholm-Beijing.
采用慢化BF3中子监测器，在北京―纽约和北京―斯德哥尔摩航线飞行的B-747飞机上进行了测量，起飞、着陆阶段每2 min测一次，巡航阶段第30 min测试一次，高度和纬度利用飞机仪表读出，地磁纬度采用人造地球卫星环境手册的公式计算。
To reduce polarisation dependent gain where the pump radiation propagates in a direction along the optical fibre that is counter to the direction of propagation of the WDM radiation, each radiation generating means (10, 11) preferably comprises a plurality of radiation sources (10a to 10c, 11a to 11b), preferably three, each one being operable to generate radiation having the same wavelength but with a different state of polarisation.
为了减少极化相关增益，其中泵浦辐射在沿着光纤、与WDM辐射传播的方向相反的方向上传播，每个辐射生成装置(10，11)最好包括多个辐射源(10a到10c，11a到11c)，最好是三个，其中的每一个可操作地用于产生具有相同波长但具有不同极化状态的辐射。
The technology of cheating Anti-Radiation-Missile by multi-point non-coherent active decoy systems presented in detail by thoroughly taking use of the frailty of the Passive-Radar-Seeker of the Anti-Radiation-Missile of having a too-large identifying angle and can not counter the disturb of the two-point radiation source.
充分利用反辐射导弹被动导引头分辨角大不能抗两点源干扰这一弱点，给出了多点非相干有源诱饵系统诱骗反辐射导弹的方法。
The X-ray powder diffraction patterns of LiNdP_4O_ (12) were obtained with a counter dif-fractometer and a Guinier focusing camera using Cu K_ α radiation. The detail indexed pow-der diffraction data of all 75 diffraction lines with d values greater than 1.240 A were giv-en.
用衍射仪和Guinier聚焦照相机收集了LiNdP4O（12）的X射线粉末衍射图谱（CuKα），给出了d值大于1.240A的所有75条衍射线的衍射数据和指标。
Control signals produced by specially designed circuit drive the programmable counter/timer 8254 chip to generate PWM (Pulse width modulation) wave, which is used as ultrasound radiation energy control signal.
通过设计专门电路产生控制信号驱动数据采集卡内置的可编程计数器/定时器8254芯片并适当编程产生脉宽调制（Pulsewidthmodulation，PWM）方波作为超声能量控制信号。
The pulse height distribution from proportional counter for more than 2 keV of monoenergetic radiation is approximately Gaussian but the distribution for the soft X rays and UV radiation are far from Gaussian.
正比管对大于2kevX射线的探测，输出的脉冲幅度分布近似高斯分布。而对低能超软X射线、紫外线，它给出的脉冲幅度分布明显偏离高斯分布。
The G-M counter has been widely used as continuous monitoring detector for environmental radiation. This paper focuses on some issues arising from the application of G-M counter in environmental continuous monitoring and discusses the improvement and development in the application of the G-M counter.
介绍和分析了G-M计数管适用于环境γ辐射连续监测的一些特点和存在的主要问题，并就其在这方面应用的改进和发展进行了讨论。
Application of G-M counter in environmental γ radiation continuous monitoring
G-M计数管在环境γ辐射连续监测中的应用
Gas discharging radiation counter tube
气体放电辐射计数管
The radiation intensity through the motor is determined with a scintillation counter.
通过发动机的放射强度可用闪光计数器来确定。
A new extended range spherical neutron rem counter was introduced in this paper. In a high energy stray radiation field the neutron response of the new machine is higher than that of standard A - B rem counter.
介绍了一个新研制的扩展量程球形中子雷姆计，通过在高能杂散辐射场中与常规中子雷姆计的比较，对高能中子的响应有明显的提高，性能优于常规A&B中子雷姆计。
The counter of γ photons is a detecting system including converter and fused silica Cherenkov radiator to detect emitted γ photons from zero degree single Bremsstrahlung radiation Bhabha so that the luminosity of e~(+) e~(-) collisions can be monitored.
利用零角度单韧致辐射过程（e++e-→e++e-+γ），发射的γ光子的计数来监视正负电子对撞的亮度，γ光子的计数器包括转换体和熔融石英Cherenkov辐射体组合的探测系统。
To counter hydrogen atom system, by expressing the correspondence principle with two mathematics criterions, supplementing the stationary state hypothesis, and uniting them with the transition radiation hypothesis, the ladder criterion is obtained.
针对氢原子这一简单体系，把对应原理表述为两条严密的数学准则，并且对定态假说作了补充，然后把它们与跃迁辐射假说结合起来，经过探索，得到了阶梯准则。
The smog layer causes the counter radiation reaching Lanzhou surface 5.2% more than that of the South-mountain, total incoming radiation is 5.6% less than that of the South-mountain, and surface radiation balance is 67.8% less than that of the South-mountain.
同时烟雾层使到达兰州地面的大气逆辐射比南山顶增加5.2%，总的入射辐射比南山顶小5.6%，地面辐射差额比南山顶小67.8%。
This paper describes the principle and construction of a modified Andersson-Braun (A-B) neutron rem counter which is used for the stray radiation field of high energy accelerator.
描述了一种适用于高能粒子加速器周围杂散辐射场测量的改进型Andersson－Braun中子雷姆仪的原理与结构。
The unsteady Loading noise generated by interaction of a front rotor wake with an aft rotor in a counter-rotating (CR) propeller is analyzed and the noise radiation formulae are derived.
本文着重研究了反旋桨扇前排转子尾流与后排转子干涉形成的非定常负荷噪声，并与试验结果作了对比。
The traditional active location system is threatened easily by the electronic counter measures and anti-radiation missiles.
传统的有源探测定位系统容易受到电子对抗设备的干扰和反辐射导弹的杀伤。
To deal with the wide application of electronic-counter, electronic jamming and anti-radiation missile, it is required to enhance the viability and antijamming ability of each electronic reconnaissance equipment.
随着新技术、新方法在军事领域的应用，电子对抗、电子干扰、反辐射导弹等技术均有了长足的发展，这对电子侦察设备的生存能力和抗干扰能力提出了越来越高的要求。