downhole performance 中文意思是什麼
downhole performance
解釋
孔底狀態- downhole : 井底的
- performance : n. 1. 執行，實行，履行；完成；實現；償還。2. 行為，動作，行動；工作。3. 性能；特性。4. 功績；成績。5. 演奏；彈奏；演出；（馴獸等的）表演；把戲。6. 【物理學】演績。
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Wdtf is the manufacturing base for geotechnical drilling tools of cge. its main products are drilling tools for geological and engineering drilling, including wireline drilling tools, pneumatic downhole hammers, downhole drilling motors, synthetic diamond and its products, tungsten carbide and its products, various drilling pipes and tools. all products are reliable in quality, stable in performance and reasonable in price
無錫鉆探工具廠為中裝集團勘探和工程施工用鉆具的生產基地，主要生產各種地質勘探鉆進用鉆具和工程施工用鉆具，包括以繩索取芯工具系列風動潛孔沖擊器系列螺桿鉆具系列為代表的鉆探工具人造金剛石及其製品各種牌號的型號的硬質合金及其製品各種釬桿釬具等。 -
This paper introduces two great development software which are multigen and opengvs and depicts the software performance, module function and so on. it has provided a strong foundation for the future development. the downhole operation simulation system is realized, which based on the desktop operating system using the software performance of multigen and opengvs
介紹了三維建模軟體multigen和三維視景管理軟體包opengvs組成的虛擬模擬開發平臺，詳細敘述了兩個工具軟體的性能、模塊功能等主體內容，為後期的系統開發奠定了堅實的基礎。 -
Supported by the national natural science foundation of china ( study on heat transfer characteristics of downhole coaxial heat exchanger in convection geothermal reservoir ) and tianjin development and plan program of science and technology ( study of ecologic architectural energy system ), the thermal performance exploiting earth energy for heating and cooling is studied in this paper ， and its main purpose is to offer reference for increasing the percent of renewable energy in ecologic architectural energy
本文在國家自然科學基金（井下換熱器周圍對流型地溫地層內的傳熱特徵研究）和天津市科技發展計劃項目（生態能源建築體系研究）的資助下，重點研究了地表熱能（或稱地溫能）高效利用中的傳熱與熱力性能問題，為可再生能源在生態能源建築中發揮更大的作用提供依據。
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