The technology of preparing sodium - copper chlorophyllin from carrot leaves was studied.由胡萝卜樱叶提取叶绿素并经皂化、铜代及成盐反应制备叶绿素铜钠.The overall yield of sodium copper chlorophyllin is 41.3 %.全过程叶绿素铜钠盐的收率可达41.3%.GLUCOSE - FRUCTOSE SY...
我们全家和所有的亲戚都来参加祖父的八十岁寿宴.All our family came to our grandfather's eightieth birthday party.他虽有八十岁了, 但仍然充满了活力.Although he is eighty, he is still very much alive.他祖父现在一定快八十岁了.His grandfather must now be getting on for e...
The bleeding may keep my left hand from cramping.淌血会叫我的左手不抽筋.This loss of sodium can cause dehydration and cramping.钠流失会造成脱水和抽筋.Children and seniors alike can be victim to cramping.儿童和老年人也可能成为抽筋的受害者....