坪特性 meaning in English
plateau characteristic
Examples
- The basic principle of natural gamma - ray log is stated , the developing background , developing ways and developing situation of natural gamma - ray tools are introduced . the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools , the researching work is started from three aspects , they are logging tool development , reliability design and reliability assuring methods , and the data processing methods , in the course of logging tool development , instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property , the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes . the detecto * design . the plateau property testing of the detector and the analysis of it ' s affecting factors are stated , the measuring property of the tool is discused , a new type of single chip microcomputer is selected when designing the interface circuit , and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit , the universal interface unit of sookbps telemetry system and also 500kbps telemetry system
本文首先概要介绍了石油测井的基本概念、方法、条件、最新进展、以及应采取的研发对策，论述了自然伽玛测井的基本原理，介绍了自然伽玛测井仪的发展背景、发展历程和发展现状，通过分析国内自然伽玛测井仪的使用情况和存在的问题，提出了本文的研究任务。研制工作从测井仪研制、可靠性设计与可靠性保障技术、数据处理方法研究三个方面展开，在测井仪研制过程中，根据500kbps遥传系统要求的配接性能和使用环境特征，提出了主要仪器指标，并根据这些指标，设计了仪器模拟测量通道和实现这一配接性能的接口电路；论述了探测器的设计、坪特性影响因素分析及其测试，探讨了仪器的测量性能；在设计接口电路时选用了新型单片机芯片，并与500kbps遥传通用接口单元rtu 、 500kbpa遥传系统实现了室内配接。