What is the use of these same negative ion generators?
这些所谓负离子发生器有什么用呢?。
This paper introduces a new air negative ion producer .
本文介绍了一种新型的空气负离子发生器。
International leading technology — FRESH NEGATIVE ion double-chip, double health.
国际领先- - -清馨负离子双芯技术，双效抑菌、双重护理。
The effects of the positive and negative ion background on the discharge path are studied.
用实验方法研究了正、负离子背景对放电路径的影响。
Kuanyin Mountain Forest Park all year round fresh air, fine spring high negative ion content.
观音山森林公园一年四季空气清新，鸟语花香，负离子含量极高。
The hydroxyl ion has a negative charge .
氢氧根离子有一个负电荷。
The hydroxyl ion has a negative charge.
氢氧根离子有一个负电荷。
The anion is one kind of air ion with negative electric charge.
负离子是一种带负电荷的空气离子。
The mechanism of negative-ion-sulfurizing was also discussed in this paper.
本文还对负离子轰击渗硫的机理进行了探讨。
Air negative charge ion concentration (ANCIC) has a close relationship with air quality.
空气负离子浓度与空气环境质量密切相关。
The air negative oxygen ion concentration is the sign of fresh air or not.
空气中负氧离子浓度是空气清新与否的标志。
The air negative oxygen ion concentration is the sign of fresh air or not.
空气中负氧离子浓度是空气清新与否的标志。
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