We present an iterative algorithm for inversely deriving the interval velocity, interval density and curved interface depth from gravimetric and seismic data in lay ered medium.
本文提出一种用于层状介质中重力、地震资料联合反演层速度、层密度及弯曲界面深度的迭代算法。
It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.
理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。
What ever cases we can deduce the confidence interval of high posterior density (HPD).
并由此得到其最大后验密度(HPD)置信区间。
At first, the image background is suppressed by setting a threshold. Then, both gray density and gray interval of the histogram are equalized.
该算法首先通过设置平台阈值对背景的增强进行抑制，然后将直方图在灰度密度和灰度间距两个方向进行均衡处理。
This study on management density model of the mobile thinning interval overcomes the shortcoming of stationary interval which the former similar researches have, and it is convenient to practice.
基于以上分析，用动态规划方法建立了可变间伐间隔期的林分经营密度模型。
Methods 113 patients (121 locations) underwent the treatment by IPL, with an interval about density, color and hardness of hair.
方法应用强脉冲强脉冲光子脱毛方法，治疗113例患者计121个部位，对毛发的密度、色泽及硬度等进行随访。
It shows that density has a better linear relation with different reservoir parameters, but the relation of sonic interval transit time or velocity with reservoir parameters is very complicated.
这说明密度与各储层参数之间具有较好的线性关系，而声波时差或速度与储层参数之间的相互关系要复杂得多。
Making use of two order statistics to construct a sample fonction for confidence interval estimation of the scale parameter, the probability density function of the sample function is discussed.
最近，对指数分布的参数和正态分布的位置参数讨论了基于残缺观测数据的区间估计”，‘’。
Finally, the detector's design is proposed in this thesis, separately including the lamp-house's preheat interval experiment, the temperature experiment, the gas density detect experiment.
最后，对本文设计的探测器进行了实验验证，分别做了光源预热时间实验、温度实验、气体浓度测量实验。
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
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