prostrata造句

• Ultrasonic extraction and determination of total flavonoids and tannin in eclipta prostrata
  旱莲草中总黄酮和鞣质的超声提取与含量测定
• The diet of the main dominat species of rodents allactaga sibirica in stipa breriflora steppe were studied in lhurihe sunit right banner inher mongolia by stomach content analysis the results showed that : 1 . the main diet of allactaga sibirica consisted of green stems and leaves, seeds, roots and withered plants and also consisted of some insects when plant biomass were lowev . 2 . ten species of plant were often selected by allactaga sibirica during the different periods allactaga sibirica always selected artemisia frigida, kochia prostrata, heteropappus altaicus, enneapogon borealis, eragrostis poaeoides . 3 . the plant diet composition were same at the same period when water content were same but the plant diet compositon were difteren at the ditlenent periods when whater content were different
  研究结果表明：1.五趾跳鼠的主要食物组成由绿色茎叶、种子、根、枯黄植物组织等组成，在植被生物量较低时期也采食一些昆虫类食物；2.经常采食的植物种类有10种，其中在不同时期均喜食的植物有冷蒿、木地肤、阿尔泰紫菀、冠芒草、小画眉草等植物；3.在水分条件相似的同一时间段内植物性食物组成较稳定，而在水分条件不一致的各时间段内，食物组成比例差异较大；4.有较强的幼嫩植物组织选择和依赖性采食习性，且与放牧家畜存在较强的植物性食物资源竞争，因此是一种对草地植被破坏性和畜牧业危害均较大的鼠种。