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1·It is a naked electron and is a sodium positive ion.

它是个裸电子，是钠正离子。

2·Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.

石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。

3·We talked about this reaction here, where we had chloride ion in the gas phase plus sodium ion in the gas phase.

我们在讨论这一个反应，气态的氯原子加上气态的钠原子。

4·But the transmit ion from poor quality radios was slightly distorted and the accents of the Spanish speaking controllers was so strong that the pilots misunderstood a vital instruction.

但是质量很差的无线电信号有一点失真，而且说西班牙语的空管口音很重，导致飞行员误解了一条重要的指令。

5·PIP2 binds directly to ion channels and modulates their activity.

磷酯酰肌醇二磷酸直接结合离子通道和调节它们的行为。

6·The UV spectrum most resembled that of the aromatic tropylium ion.

紫外光谱与芳香族对苯二酚离子的光谱最相似。

7·Carbocation and carbanion stabilities can be assessed using hydride ion affinities.

可以使用氢化物离子亲和力评估碳正离子和碳负离子的稳定性。

8·Precursor ion scanning refers to monitoring for a specific loss from the precursor ion.

前体离子扫描是指监测前体离子的特定损失。

9·The ions exchange between calcium ions and zinc ions would influence the binding ability of zinc ion in D-mannuronic acid units.

钙锌离子交换会影响锌离子与甘露糖醛酸片段的结合。

10·We tested the quantity of fluoride in tea leaves by separately using fluorinion selective electrode and the ion chromatographys.

我们分别采用离子色谱法和氟离子选择电极法对茶叶中氟化物的含量进行测定。

(1)ion exchange离子交换

(1)metal ion金属离子

(1)ion beam离子束

(1)ion implantation离子注入

(1)ion exchange resin离子交换树脂（多孔合成树脂的总称）

(1)negative ion阴离子