A theoretical study on detecting depth and spacing of density logging;
密度测井探测深度与源距的理论研究
Based on these results,the effect of density logging instru- ment structure(for example,short spacing and short-spacing collimator angle)on log- ging was studied.
利用蒙特卡罗方法对双源距密度测井进行数值模拟,获得了双源距密度测井的能谱、探测器计数率与地层密度的关系和脊肋图等特性曲线。
By Monte Carlo method,the paper simulates the C/O responses of different spacing in four conditions such as water or NGH in the well,and water or NGH outside of the well,and obtains the different rates of C/O with different spacing for the same formation,different outside material and the same outside material,different formation after data processed.
应用Monte Carlo方法,针对井内介质分别为H2O和NGH,井外介质分别为H2O和NGH的4种情况,模拟计算得到了C/O测井响应随源距的变化关系以及不同源距时,C/O测井对径向深度的响应。
A study on the relationship between response of C/O log and spacing;
小井径双源距C/O测井响应随源距的变化关系
Secondly,the wavelengths and source-target distance were choosed.
首先推导出双波长数理模型,该模型只需测一个参数光强吸收比率n,其次选取波长,确定源标距,最后通过简单的憋气试验验证了该方法的有效性。
Through the exprement and data analysis,the source-target distance w.
根据广义郎伯-比尔定律推导出双波长数理模型,该模型只需测1个参数光强吸收比率n;根据组织光学中脑组织各成分对光的吸收情况选取波长,源标距是通过实验并进行数据分析最后确定的;给出了硬件设计思路,通过简单的憋气试验验证了该监测仪的有效性。
On the basis of analyzing the advantages and disadvantages of present single station passive locating methods,according to the characteristics of the technology that the mobile platform locates the fixed targets passively,this paper puts forward a kind of fast locating method based on passive ranging.
在分析现有单站无源定位方法优缺点的基础上,针对运动平台对固定目标无源定位技术的特点,提出了一种基于无源测距的快速定位方法。
This paper discusses the necessity of passive ranging of radar under barrage jamming,mainly desscribes the theories and applicable conditions of angle-rate ranging and triangular ranging.
探讨了雷达在面对阻塞式干扰时进行无源测距的必要性,主要讲述了角速率测距法和三角形测距法测距的原理及其适用情况,并用M atlab对无源测距算法进行了仿真,给出了各种条件下的仿真结果,最后简述了无源测距的其他一些方法。
compensated dual neutron log
双源距补偿中子测井
long lower window count rate
长源距下部窗口计数率
long upper window count rate
长源距上部窗口计数率
offset vertical seismic profiling
非零井源距垂直地震剖面
dual spaced thermal decay time log
双源距热中子衰减时间测井
APPLICATION OF LONG SPACING SONIC LOG IN THE DETECTION OF INTERFACE BOND OF CEMENTING
长源距声波测井在固井界面胶结探测中的应用
passive ranging Doppler
无源测距多普勒雷达
Research of the Microcomputer Distance Protection in Single Source and Short Distance Transmission Line;
单电源短距离输电线微机距离保护装置的研制
Distance source of laser range finder and its precision analysis
激光测距仪距离模拟源技术研究与精度分析
roentgen per hour at one meter
距辐射源米处每小时的伦琴数
The intensity of sound is inversely proportional to the square of the distance measured from the source of the sound
声强与声源的距离平方成反比。
Performance Measurement of ~(60)Co Teletherapy Source in Equipment at the Users
钴-60远距离治疗源装机后特性测量
A Design of the Signal Source System of Phase-EDM
相位式光电测距仪的信号源系统设计
On economic origin of the gap between cities and countryside about Chongqing education development;
论重庆教育发展城乡差距之经济根源
Source ranging using single receiver and guide source in shallow water
利用单水听器和引导声源进行浅海声源测距
Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.
漂砾是由冰川搬运并在距发源地一定距离的地方堆积的巨砾。
Cygnus x-3 is a binary X-ray source located at a distance of 10kpc.
天鹅座X-3是一个距离约10千秒差距的双重X射线源。
We're looking for two heat sources in close proximity, in remote areas of the basement.
我们的目标是地下室远端 两个距离很近的热源