低倍率的英文
low range
例句与用法
- Stationary source emissions - determination of low range mass concentration of dust - manual gravimetric method
固定源排放.尘埃低倍率物质浓度测定.手工重量分析法 - Stationary source emissions - determination of low range mass concentration of dust - automated measuring systems
固定源排放.尘埃的低倍率质量浓度测定.自动测量系统 - The gplb exhibits good discharge performance with discharge curve declining slowly , and the average discharge voltage is 3 . 7v . it also has good rate charge and discharge performance , whose discharge capacity at 2 . 0c is over 90 % of that at 0 . 2c . the cycle performance at 0 . 5c discharge rate is very good but bad at high discharge rate ( 1 . 0c )
该电池具有良好的放电平台，放电曲线平缓，平均放电电压为3 . 7v ；倍率充放电性能良好， 2 . 0c放电容量为0 . 2c放电容量的90以上；电池的低倍率放电( 0 . 5c )循环性能良好，但高倍率( 1 . 0c )循环性能不太好，电池的低温性能也有待提高。 - The difference of reactive mechanisminduced the difference of their structure . v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure . after heat - treating under300 , particle size becomes smaller , and aggregate to globate grain , showesbetter electrochemical performance at low charge - discharge rate
熔融淬冷法合成的样品其无定型结构更明显，前驱体经过300热处理后，材料的粒径变细，团聚成球状的颗粒，球状特征更显著，在低倍率下具有较好的电化学性能。 - While testing ofeis at different depth of dischargeand charge - discharge at different charge - discharge rate reveale that , these material indicate lower conductivity at highcharge - discharge rate , resulting in bad electrochemical perforemence . melting - cooling and inorganic sol - gel were adopted , which facility - simpleand operating - easy , to prepare v _ 2o _ 5 xeroxes as positive material of li - ion battery . the comparision of structual and electrochemical performance between thesecathode materials were investigated for the first time . their electrochemicalbehaviorswerestudiedbygalvanostaticcharge - discharge , cyclicvoltammetry ( cv ) , and electrochemical impedance spectroscopy ( eis ) techniques . the results indicte the sample that prepared by melting - cooling revealed moreexcellent performance at low charge - discharge rate , which achieved a high initialdischarge specific capacity of approximate 320 mah ? g - 1
通过各种充放电测试，循环伏安( cv )曲线以及电化学阻抗谱( eis )等测试手段对材料的电化学性能进行表征，结果发现，在低倍率放电下，熔融淬冷法合成的材料具有更好的电化学性能， 0 . 1c恒流放电至1 . 8v时首次放电容量达320mah ? g - 1 ，并且发现， v _ 2o _ 5作为正极材料组装成的锂离子二次电池，除首次循环具有较大的不可逆容量外，其余循环可逆且容量保持能力较好， 20次循环后，容量只衰减了6 . 40 % 。
