Objective To investigate cadmium nickel battery production, prevention and reduced occupational disease occurrence.

目的研究某镉镍电池生产企业职业卫生状况，预防和减少职业病的发生。

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Among them, there are alkaline zinc manganese batteries, lithium batteries, small rechargeable cadmium nickel batteries, hydrogen nickel batteries and lithium ion batteries.

其中有碱性锌锰电池、锂一次电池及小型可充电镉镍电池、氢镍电池和锂离子电池。

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For much of the 1990s it was the battery of choice for powering portable electronic devices, displacing nickel-cadmium batteries in many applications.

1990年代的大部分时期，它是便携式电子设备的优选，在许多应用领域取代了镍镉电池。

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To be technical they have moved from nickel cadmium (NiCad), through nickel-metal hydride (NiMH) to lithium-ion (Li-ion).

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Lithium ion batteries keep a charge longer than nickel cadmium and weigh less, so the plane can save fuel.

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Lithium ion batteries replaced the traditional nickel cadmium batteries in the new aircraft.

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