简介:WhenJanewasalittlegirl,shelikedkeepingpets.MostofJane’spetswerequite1-parrots,cats,dogs,andsoon.Butonedayshemetsomethingquiteinteresting.Thatafternoon,Jane’smotherwasangrytoseeabiganimal2longhairinthekitchen.HeworeaT-shirtandwassittingonachair.Infrontofhim,onthetable,wereabasketoffruitsandaglassofwater.“Jane,whereareyou?”themothershouted.Thensuddenlysherememberedthatafewdaysbeforeayounggorilla(大猩猩)calledGorehad3awayfromthezoo.“Ifoundhiminthecitysquare,”Janesaid.“Heseemedso4.Italkedtohim.Webecamefriendsatonceandhefollowedmetoschool.”
简介:AnearthquakewithM7.1occurredinYushu,QinghaiProvince,China,at07:49a.m.onApril14,2010,accordingtotheChineseSeismicStationNetwork.Thesequenceisafore-mainafter-shocktypesequence.AforeshockwithM4.7occurred2hoursand11minutesbeforethemainshock.Therewere12foreshocksand2385aftershocksuntilJune31,2010.Inwhich,thereare21aftershocksbetweenM3.0andM3.
简介:摘要目的分析7~14岁单纯性肥胖儿童与正常对照之间肠道拟杆菌属和梭菌属的相似性及多样性差别。方法收集30例7~14岁单纯性肥胖(肥胖组)和30例同年龄段健康儿童(正常组)的粪便样品,同时测量肥胖和正常儿童的BMI、瘦素(LEP)、血浆脂联素(ADP),探讨肥胖儿童与肠道优势菌属的关系。结果肥胖组儿童BMI、LEP水平高于正常组,差异显著(P<0.05),ADP平均水平低于正常组(P<0.05)。肥胖组拟杆菌属及梭菌属DGGE图谱的条带数目和H'指数均低于正常组样本,差异显著(P<0.05)。结论人类肠道菌群拟杆菌属和梭菌属组成的变化与儿童肥胖相关。
简介:摘要 拉杆是短应力线轧机上最重要的零件之一。针对550型棒线材轧机,分别用理论计算和有限元分析方法对拉杆进行了设计计算和强度校核,所得结果可作为今后优化设计的依据。