切尔诺贝利核电站的反应堆没有安全壳结构,安全壳结构本可以在爆炸后限制辐射气体排放到大气中,所以,切尔诺贝利核电站就是安全壳结构缺失的最佳反例。
The lack of a containment structure for the Chernobyl reactor, whichmight have limited the emission of radioactivity into the atmosphere after theexplosion, is only the most glaring example.
安全壳内的空气具有相当的辐射性,工作人员最多只能曝露5个小时,否则就超过安全范围。
Its air has been so radioactive, a worker could be exposed only five hours before exceeding a safe limit.
内壳本身是略凹,所以圆屋顶在任何时间只有一部分直接接受太阳辐射。
The inner shell itself is slightly domed as only a section of a domed roof receives solar radiation directly at any time.
对加筋圆柱壳由于肋骨数目改变所引起的结构应力参数变化对辐射噪声的影响进行了探索。
This paper studies the influence of structural stress parameters on the noise radiation of a stiffened cylindrical shell with different rib Numbers.
本文研究理想流体中薄质球壳受激振动辐射声波的非线性传播。
This paper deals with the non-linear propagation of sound waves radiated by a thin spherical shell vibrating in ideal fluid.
辐射管加热炉的炉壳及炉盖;
考察了微波辐射时间、起电弧时间,以及KOH与炭化椰壳配比对活性炭比电容量的影响。
The influence of microwave radiation time, arc time and the mass ratio of KOH and coconut shell chars on the specific capacitance of the activated carbon were studied.
本文叙述了在更换研究性重水反应堆内壳中的辐射防护方法、辐射监测与评价。
This paper describes radiation protection methods, radiationmonitoring and assessments in replacement of the HWRR reactor vessel.
用具有反照率近似的蒙特卡罗方法编制的RSCAM程序系统计算反应堆堆腔内及安全壳操作大厅中的中子辐射场。
RSCAM program system, using Monte Carlo method with albedo approach, is used to calculate streaming neutron radiation field in reactor cavity and containment operating hall.
结果表明,采用的方法能有效抑制飞轮壳的表面辐射噪声。
The results show that the method adopted can effectively suppress the radiated noise from cover surface.
文中还论述了降低油底壳辐射噪声的控制方法。
It also discusses some control methods for reducing the radiated noise from oil pan.
结果表明,对内燃机薄壳结构进行声学优化,可以大大减小噪声辐射。
The result shows that acoustic optimization of thin shells of Engine samp may reduce perfectly the radiated noise.
本文通过对波函数、原子能量、辐射跃迁等方面的讨论,分析了原子结构壳层模型的近似性。
The approximation of the shell model in atomic structure had been assayed with discussion about the wave funtion, atomic energy and the radiant transition in this paper.
对流场中一无限长周期环肋圆柱壳受激振动的辐射声压进行了理论和实验研究。
Sound radiation analysis of low order modes from the ring-stiffened cylindrical shells in fluid medium;
设计了能在高辐射环境下工作的、全自动检查核电站反应堆压力壳连接处法兰面主螺栓孔螺纹表面缺陷的设备,解决了自动小车的设备承载和准确定位问题。
To inspect the defects on the screw hole surfaces of nuclear reactor pressure vessel in nuclear power station, an automatic moving table was designed to carry sophisticated inspecting devices.
三种海洋寡糖,抗辐射效果依次为褐藻寡糖>壳寡糖>岩藻糖。
The order of three oligosaccharides anti-radiation effect is alginate oligosaccharides>chitosan oligosaccharide>fucose oligosaccharides.
结果表明圆柱壳部分覆盖阻尼层后,由于声漏效应,壳体声辐射与光壳相比会增强。
Numerical results showed that if the shell was partially covered wi th a damping layer, its sound radiation would be greater than that of the ba re shell due to leak effect.
对双层壳体(壳间充满流体的同轴圆柱壳)的声辐射进行了研究。
The sound radiation of a submerged finite double shell (two concentric cylindrical shells with the entrained fluid) is studied.
论述者还指出,紫外线辐射可破坏纤薄的组织,并且蝾螈的卵没有任何保护壳。
The arguer also states that ultraviolet radiation is known to be damaging to delicate tissues and that salamander eggs have no protective shells.
分析了壳体的固有模态、激励力和声辐射三者之间的关系,这为用主动控制方法降低有限长加筋双层圆柱壳的振动噪声,提供了理论依据。
The vibration and sound radiation from a finite stiffened double cylindrical shell driven by a point force on the shell surface in the radial direction are studied in this paper.
对于影响围壳模型辐射声功率的主要因素,比如围壳模型厚度、不同的加肋情况和激励力分布等,进行研究分析其对围壳辐射声功率的影响。
The effect of main factors, such as the thickness of the model, the distribution of symmetric forces excited on the model, and different kind of ribs, on the radiated sound power has been analyzed.
计算了圆柱壳表面的辐射声功率和辐射声压,讨论了阻尼覆盖层面积对声辐射的影响。
The radiated power and acoustic pressure on the shell sur face are calculated, and the influence of the layer area on the shell "s radiation is discussed."
计算了圆柱壳表面的辐射声功率和辐射声压,讨论了阻尼覆盖层面积对声辐射的影响。
The radiated power and acoustic pressure on the shell sur face are calculated, and the influence of the layer area on the shell "s radiation is discussed."
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