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- An experim ent showed that extraction of flavone from haw leaves w ith u ltrason ic waves had h igher extraction rate and effic iency than w ith the trad itional water extraction m ethod. 以水为介质,对山楂叶进行超声波处理提取黄酮,其提取效果与常规水浸提法比较,结果表明,超声波提取效率大大提高。
- Keywords preserved eggs;tea;haw leaves;persimmon leaves; 松花蛋;茶叶;山楂叶;柿子叶;
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- ULTRASONIC EXTRACTION OF FLAVONE FROM HAW LEAVES WITH WATER AS THE MEDIUM 超声波法水提取山楂叶中黄酮的研究
- Let the tea leaves steep in boiling water for five minutes. 让茶叶在滚开的水中浸泡五分钟。
- Some moths simulate dead leaves. 有些蛾拟态为枯叶。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- Get Sam to write that editorial. He haw what it takes. 请萨姆写那篇社论好了，他能胜任。
- Elephants strip the leaves from trees. 大象剥去了树上的叶子。
- The light was diffused by the leaves. 树叶使光线漫射。
- Morally she leaves much to be desired. 从道德上讲她缺点不少。
- He leaves his car in the hotel car park. 他把车停放在旅馆的停车场。
- The hot sun shriveled the leaves. 炎热的太阳于树叶卷缩。
- The march of time leaves its print on all of us. 时光的流逝会给我们每个人都打下印记。
- He was found asleep on a pillow of leaves and moss. 有人看见他枕著树叶和苔藓睡著了。
- Moonlight dripped through the leaves. 月光透过树叶洒下来。
- The leaves of the book had yellowed with age. 书页因年久而变黄。
- Haw can he get by on such low wages ? 以如此低微的工资，他如何度日?
- We made a bonfire of dead leaves in the garden. 我们在花园里点燃火堆把枯叶烧掉。
- He is found asleep on a pillow of leaves and moss. 有人看见他枕着树叶和苔藓睡着了。
