In theory, he says, such devices could maintain their power indefinitely until used, unlike batteries whose charges leak away gradually as they sit unused.
理论上，他说，这种设备应该能够无限期地保持它们的电量，直到它们被使用；不像电池，当它们未被使用时电荷也在渐渐泄漏。
Meanwhile, materials such as lithium (PDF) and cobalt used in the manufacture of batteries for rechargeable vehicles are largely sourced outside the United States.
与此同时，生产电瓶车车用蓄电池所使用的锂和钴等材料又大多从美国境外采购。
First tof all, if the vessels were used as batteries, they would probably have been attached to some electricity conductors such as metal wires.
首先，如果这些土罐以往被用作电池的话，它们就很可能连着一些类似于金属线的电导体。
In theory, he says, such devices could maintain their power indefinitely until used, unlike batteries whose charges leak away gradually as they sit unused.
他说，在理论上，这种设备能够无限地维持其电力，直至用尽，而同于那种安装上不用，就会逐渐漏电的电池。
Such batteries have commonly used vanadium and bromine dissolved in acid as their electrolytes (energy-carrying liquids).
这样的电池通常用钒和溴溶解在酸作为他们的电解质(能量携带液体)。
In this paper, progress in research on organic liquid electrolytes used in lithium-ion batteries, such as conducting lithium salt, organic solvent and additives, is reviewed.
从导电锂盐、有机溶剂和添加剂三个方面详细综述了锂离子电池用有机电解液的研究进展。
Layered compounds have many functional characteristics, such as shape selecting catalysis, heat stability, and can be used in lithium batteries, superconducting materials and etc.
具有多种功能特征：如择形催化作用、热稳定性、用做锂电池材料和超导材料等。
Rare earth minerals are used in such products as computers, batteries and hybrid electric cars.
稀土矿物用于电脑、电池和混合电动汽车等产品。
They are used in the manufacture of such products as iPods, wind turbines, batteries, magnets and high-definition television equipment.
他们被用来制造各类产品，比如IPods，风力漩涡机，电池，磁铁以及高清度电视设备。
Such a hole is likely used as an underground antenna able to recharge the batteries of submarines in the Pacific and Indian Ocean through ELF broadcasts.
这种黑洞很可能用作地下天线能够充电电池潜艇在太平洋和印度洋，通过极低频广播。
The circuit has a safe and fast charge function can be widely used in indoor and outdoor single lithium-ion battery charging such as mobile phones digital products batteries.
该电路具有平安快速充电功能，可以广泛 应用于室内外单节锂离子电池的充电，如手机、数码产品电池等。
Can be used for a variety of toys, stationery, handicraft, batteries, hardware tools, gas distribution, daily necessities, such as plastic sealed packaging.
可用于各种玩具，文具，工艺品，电池，五金工具，气配，日常用品等塑料封口包装。
Can be used for a variety of toys, stationery, handicraft, batteries, hardware tools, gas distribution, daily necessities, such as plastic sealed packaging.
可用于各种玩具，文具，工艺品，电池，五金工具，气配，日常用品等塑料封口包装。
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