alkaline

The invention of the compound additive for alkaline PH value of more than 13 strong base will not on

The invention of the compound additive for alkaline PH value of more than 13 strong base will not only be able to prevent soil acidification, can effectively improve the soil acidic, as well as the rich soil of minerals, in the air to absorb the carbon and nitrogen for The use of plants.

标签： invention compound additive alkaline

上传时间： 2013-12-08

上传用户：xauthu
DN428微型同步升压转换器

alkaline batteries are convenient because they’re easy tofi nd and relatively inexpensive, making them the powersource of choice for portable instruments and devicesused for outdoor recreation. Their long shelf life alsomakes them an excellent choice for emergency equipmentthat may see infrequent use but must be ready to go on amoment’s notice. It is important that the DC/DC convertersin portable devices operate over the widest possiblebattery voltage range to extend battery run time, and thussave the user from frequent battery replacement.

标签： 428 DN 同步升压转换器

上传时间： 2014-12-24

上传用户：569342831