辐射

In Chapter 2, a simplified analytical model is presented for the analysis of the BVI mechanism, adopting the Beddoes' prescribed wake model. By this model, the azimuthal location and miss-distance of the BVI and the radiation directivity of the BVI noise are calculated and discussed, and some conclusions are obtained.

在第二章，使用Beddoes预定尾迹模型，建立了一个用于旋翼桨-涡干扰特性机理分析的简化数学模型，分别对旋翼桨-涡干扰位置、桨-涡干扰距离和声辐射方向性等进行了计算和分析，得出了有意义的结果。

In the cash market, has a pay rise of NBSK to 630-650 dollars/t, 590 radiata 580-US dollar/t, its receptor BEK to 510-540 dollar/t, and the first quarter of the spot market appears the situation is quite different.

在现货市场，NBSK已涨为630-650美元/t，辐射松580-590美元/t，BEK为510-540美元/t，与第一季度现货市场出现的大跌情况已大相径庭。

In Asian markets, about us $ 630 NBSK/t, Pinus radiata US $ 590-610/t, NBHK490-510 SBHK490-500 of the US dollar/t/t, its receptor BEK in the US dollar is also a US $

在亚洲市场，NBSK约630美元/t，辐射松590-610美元/t，NBHK490-510美元/t；SBHK490-500美元/t，BEK亦为490-510美元/t。

The radiation noise of gearbox housing is studied by the use of combined the FEM and BEM.

采用有限元和边界元联合的方法对变速器箱体的辐射噪声进行分析研究。

The determination of the acoustic field radiated by a vibrating structure using BEM is discussed.

讨论了用边界元法计算结构振动辐射声场的数值方法。

Dry oxidation of benzoin with air under microwave irradiation gave benzil in excellent yield.

研究了微波辐射下干法氧化苯偶姻生成苯偶酰的反应。

For example, karst topography is very approach this mode. We not only discuss the effect relation of dipole field in the mediator, but also in the property of antenna. Imaginaries Bessel function is involved in the process of discussion. because it is very important to the result.

钻孔雷达一般使用偶极天线，所以对偶极天线辐射场正反演问题的研究是目前的当务之急，它直接影响着对钻孔雷达资料的正确解释，对进一步研究钻孔雷达天线的有关特性及钻孔雷达的研制起着非常关键的作用。

An overview of the soft X-ray polarimetry udertaken at BESSY over the last 10 years is presented.

综述了过去10年中德国BESSY同步辐射装置在软X射线偏振测量方面所做的工作。

The reflectivity of the multilayer is measured at Bessy Ⅱ synchrotron radiation, and the peak reflectivity is measured to be 7.5%.

对衍射仪测量的掠入射反射曲线和同步辐射测量的反射率曲线分别进行拟合，得到的粗糙度和厚度比的结果相近。

Radiation of beta particles during radioactive decay.

在放射性衰变的过程中放出β粒子的辐射。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。