电池

• The small portable battery-operated units are most suitable for field work .
  这种用电池作电源的小型便携式仪器最适用于野外工作。
• Some recent accelerographs employ a lead dioxide rechargeable battery .
  有些新型的自记加速仪使用了一种可以重复充电的二氧化铝电池。
• In an electric car possibly one or more batteries will be situated near each axle .
  在电车中，可能有一个或一个以上的电池装置在车轴附近。
• In discussing cells, one calls the electrode at which reductions occur the cathode .
  在所讨论的电池中，在其上发生还原作用的电极叫做阴极。
• A 12-v automobile battery supplies 20 c of charge in 5 s to a stereo tape player .
  一个12伏汽车电池在5秒钟里供给立体声录音机20库仑的电荷。
• Polystyrene and polypropylene are the two plastic materials generally used for battery parts .
  聚苯乙烯和聚丙烯是一般用于电池部件的两种塑料。
• An interconnected array of many such cells will deliver useful amounts of electricity .
  若把许许多多这样的电池连成阵列，就能提供可资利用的电能量。
• Each electrode is impregnated with a catalyst to speed the oxidation reduction or half reaction .
  每个电极掺入催化剂，以加重电池半氧化或还原反应。
• The fuel cell and scrubber are located in a thermostatically controlled and insulated chamber .
  燃料电池和气体洗涤器置于一个恒温控制的和绝热的室内。
• During the day, the solar batteries supply the current and also recharge the chemical batteries .
  当白昼时，太阳能电池提供电流，又给化学电池再充电。