On the probe maintenance of adjustable internal resista…

The adjustable internal resistance battery is a DC power supply designed for physics experiment teaching. It is a single lead battery with a certain capacity, the electromotive force is relatively stable, and its internal resistance is relatively large and continuously adjustable. Since the adj

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On the probe maintenance of adjustable internal resista…

The adjustable internal resistance battery is a DC power supply designed for physics experiment teaching. It is a single lead battery with a certain capacity, the electromotive force is relatively stable, and its internal resistance is relatively large and continuously adjustable. Since the adj

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Battery maintenance

Nowadays, the application of the battery is seen everywhere in our lives. Therefore, the charger has become an indispensable role in our lives. However, we often encounter such problems, the charger fever, and the charger. Can not charge the battery, the charger will not be long before it

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Tianlong Optoelectronics: The controlling party reduced…

Tianlong Optoelectronics (300029) said in the Shenzhen Stock Exchange's interactive and easy-to-answer investor question that the controlling shareholder of the company reduced its shareholding of 1 million shares on November 27, and the company did not announce it because it did not meet the d

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Xinhaiyi increased its subsidiary Xinnengjing by way of…

Suzhou Xinhaiyi Communication Technology Co., Ltd. (hereinafter referred to as “the company”) held the fourth meeting of the fifth board of directors and the third extraordinary shareholders meeting of 2013 on August 8, 2013 and August 26, 2013, respectively. The resolution on the capit

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