To study the malignant tumor patient merges the respiratory system double infection bacteria colony distribution and bears the medicine situation. 目的了解恶性肿瘤患者合并呼吸系统细菌与真菌二重感染菌群分布及耐药情况。
First, we obtain the empirical Bayesian estimator of the scale parameter for the double exponential distribution based on LINEX loss function and the convergence rate of the estimate. 首先利用非对称的LINEX损失函数对双指数分布族刻度参数进行了经验贝叶斯估计,并讨论了该估计的性质,给出了收敛速度。
This paper put forward double paraboloid distribution model of ε( superscript I subscript xy) basing on a series of numerical experiments on T-joints. 基于一系列T形焊接接头的数值试验,提出了角焊缝固有剪切应变分量的双抛物面分布模型。
Price Competition and Equilibrium Analysis in Supply Chain with Double Hybrid Distribution Channels 供应链中双重混合渠道分销的价格竞争及均衡分析
Research on Preparation and Properties by Pressureless Infiltration Process of SiC/ Al Composites with Double Size Distribution 双尺寸颗粒SiC/Al复合材料的无压渗透制备及性能研究
Classic method for the study of the distribution pattern of reservoir heterogeneity has rather big limitation in the case of double peak distribution. 传统方法研究非均质分布规律对于子样分布为双峰的情形局限较大。
Through analysis and study, it is concluded that the result using Beta prior distribution with k factor proves to be better than that of the WCF method, and that double prior distribution based on Beta distribution is better than double prior distribution based on uniform distribution. 由模拟研究得出,在有历史数据时,基于k因子贝塔先验分布的估计方法比WCF方法精确;在有不完全历史信息时,基于贝塔双层先验分布的方法比基于均匀双层先验分布的方法精确。
In speech recognition, when there is noise with the speech, feature coefficients usually take on a kind of double hill distribution. 语音识别中,当有噪声存在的情况下,特征参数通常呈现双峰分布。
In this thesis. Bayesian and empirical Bayesian theory are used to estimate the scale parameter of the double exponential distribution and the loss function and risk function of the Weibull distribution. 本文将贝叶斯,经验贝叶斯理论应用于双指数分布族的刻度参数估计和Weibull分布的损失函数和风险函数的估计。
An incompressible double distribution thermal lattice-Boltzmann model, considering the pressure distribution and energy density distribution as the elementary evolution variables, is presented to solve the weak compressibility at low Mach number of the previous model. 以压力分布函数和内能密度分布函数为基本演化变量,构建了一个新的不可压缩的双分布函数热格子-Boltzmann模型。
The Solution to Double Exponential Distribution Function of Meteorological Elements Extreme 气象要素极值的双指数分布函数求解
The grain growth rate became differences between different grains during 1400 ℃~ 1600 ℃. Some grain developed rapidly and there were double peaks in the distribution of grain size. 添加助烧剂后,在1400~1600℃温度之间晶粒生长速度出现不一致,部分晶粒开始迅速生长,晶粒大小分布出现双峰现象;
The foci of Tb often occurred in double lungs with wide distribution. 多双肺发病,病灶范围广泛;
A Regression Model Based on Double Parameters Poisson Distribution and Its Applications to Risk Classification 一类索赔次数的回归模型及其在风险分级中的应用
According to the practice for aggregate claims of insurance, the double parameters compound Poisson distribution has been introduced in this paper. The properties of the double parameters com-pound Poisson distribution has been discussed. 根据保险索赔量的实际情况,将复合泊松分布推广到双参数复合泊松分布,并讨论了双参数复合泊松分布的性质,给出了其Esscher近似公式。
In this paper, Bayes estimator of the location parameter in double exponential distribution is derived, and empirical Bayes ( EB) estimators are constructed by the kernel estimation method. 本文在平方损失下导出了双指数分布位置参数的Bayes估计,利用非参数方法构造了位置参数的经验Bayes(EB)估计。
The toroidal equilibrium properties of relativistic electron beams with double-δ function distribution are considered. 本文对具有双δ函数速度分布的相对论性电子束,考察了其环形平衡性质。
A double Gaussian distribution fitted to the data showed the BEC phase transition. 根据数据拟合满足双高斯分布,表明发生了BEC相变。
By an application of the software using this method, it is more easy and more accurate to determine the double peak distribution pattern of reservoir heterogeneity, and the requirement of oil field is thus satisfied. 应用该法编制的软件,使油层非均质双峰分布规律的确定更加方便和精确,满足了油田现场的需要。
In this paper, we consider a mathematical model of cell-to-cell spread of HIV-I with double distribution delays. 研究了一个具有双分布时滞的HIV-I模型。
An analytical method for solving the double peak type density distribution function is suggested in this paper, to study the distribution pattern of the heterogeneity of a reservoir bed. 提出了解决双峰型密度函数的解析方法,根据统计资料研究油层非均质分布规律。
Suppose a double variable normal distribution between the volatility of asset value, the correlation of credit quality can be derived. 假设企业资产价值波动之间的双随机正态分布,从资产价格系列估计信用质量的相关性。
Double Mechanisms of Mineral Resources Distribution in China 我国矿产资源配置中的双重机制
An analysis on double hump distribution of intrusive mercury curve 压汞曲线双峰态性质的分析
The distribution of public capital, decided by the production of it, adopts the double distribution mode under socialist market economy, namely combining the distribution according to work and capital together. 公有资本分配受公有生产的决定,在社会主义市场经济条件下采取了双重分配模式,即按劳分配与按资分配相结合的模式。
Inner micro structure was long aligned pores approximate to hexagonal prisms, and pore walls were straight and flat. Pore size showed a double peaks distribution, which changed with positions in temperature field. 内部形成近似六棱柱的长直通孔的微观结构,孔壁平直,孔径呈双峰分布,并随在温场中位置的不同而变化。
The effects of moving arc on the distribution of both arc heat flux and arc pressure are taken into consideration and the mathematical expressions of double-ellipsoid distribution modes for both arc heat flux and arc pressure are given out. 模型中热源采用了双椭球热源模式,考虑了电弧运动对电弧热流和电弧压力分布的影响,给出了电弧热流和电弧压力的双椭球分布模式的数学表达式。
The results indicate that the node degree follows the power law distribution; however the wealth distribution fits double power law distribution. 研究结果表明,节点的度分布服从幂律分布,而财富分布是服从双幂律分布的。
The flow of vehicles changes very obviously in different road section, and the flow distribution of different type of vehicles is not uniform in typical transportation skeleton line, which appears the double peak value distribution. 石家庄市机动车车流量在不同路段变化很大,典型交通干线各种类型车流量分布不均,并呈双峰分布。