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- PD regulating is a method of adopting different pole destances in order to change the measuring range of resistivity instrument. 極距調整法是采用不等的電極間距,以改變電阻表的測量范圍。
- In this article,we have been designed a kind of electrode change device for distributed high density resistivity instrument and provided its theory and work flow and its circuit diagram. 在文中設計了一種應用于分布式高密度電阻率儀的電極轉換裝置,介紹了該裝置的工作原理、工作流程,給出了詳細的電路原理圖。
- At low frequencies, the DC resistance of a given conductor is essentially the same as its AC resistance. 在低頻情況下，給定的導體的直流電阻實(shí)際上與其交流電阻一樣。
- The AC/DC standard resistor is a resistance standard, which can be used in calibration of DC resistance and AC resistance. 交/直流標準電阻器為適用于直流及交流電阻校正之電阻標準器。
- the earth resistivity instrument 地電儀器
- The requirements of high characteristic liquid crystal light valve on AC resistively of amorphous silicon (a-Si) photoconductive layers is discussed by equal circuit. 利用等效電路,估算出高性能液晶光閥對非晶硅光電導層交流電阻率的要求。
- The a-Si films is deposited by plasma enhanced chemical vapor deposition technique with the optimum technology.The AC resistively of sample is measured. 用化學(xué)氣相沉積法在最佳工藝條件下制備了非晶硅薄膜,測量了樣品的交流電阻率。
- ZHOU Zhai-he, WANG You-ren, KONG De-ming. A high-precision grounding resistance instrument[J]. Automation of Electric Power ystems,2004,28(6): 94-97. 閆華光，接地電阻變頻測量?jì)x與信號處理系統研究[D]，武漢：武漢大學(xué)，2002。
- The stethoscope is a medical instrument. 聽(tīng)診器是一種醫療器械。
- The nobility usually resist social changes. 貴族通常反對社會(huì )變革。
- This instrument monitors the patient's heartbeats. 這臺儀器監聽(tīng)病人的心跳。
- They are determined to resist invasion. 他們決定抵抗入侵。
- I can never resist an ice cream. 我一見(jiàn)到冰淇淋就忍不住想吃。
- He could not resist the temptation to steal. 他經(jīng)不起想要偏巧的誘惑。
- The king signed the instrument of abdication. 國王簽署了遜位的文告。
- He couldn't resist the lure of money. 他不能抵制金錢(qián)的誘惑。
- A HIGH-PRECISION GROUNDING RESISTANCE INSTRUMENT 高精度電力系統接地電阻測量?jì)x
- The development of AC resistance standard investigation 交流電阻標準研究進(jìn)展
- This special coating is designed to resist rust. 這一特別的涂層旨在抗銹。
- He was helpless to resist the temptation. 他無(wú)法抵御誘惑。
