简介：1999年10月26日上午7时35分，广州市辖下增城市石滩镇马修村村心二巷25号的鸿成皮具厂发生特大火灾，2男18女葬身火海，9人被烧伤。

简介：X-raydiffraction(XRD)anddifferentialscanningcalorimetry(DSC)wereusedtoinvestigatethecrystallizationprocessofamorphousAl90TMxCe10-x(atomfractionin%;TM=FeorNi;x=3,5)alloys.AgingeffectswereexaminedbyX-raydiffraction.ThestructurecorrespondingtotheprepeakfortheamorphousAl90Fe5Ce5alloyismorestablethantheamorphousmatrix,butitisnotstableforamorphousAl90Ni5Ce5alloyduringthefirstcrystallizationstageandevendecomposesatroomtemperature.AlthoughbothAl-NiandAl-Fehavestrongchemicalbonding,thecrystallizationonsettemperatureofamorphousAl-Fe-CealloysismuchhigherthanthatofamorphousAl-Ni-Cealloys,whichislikelycausedbythedifferentstabilityofthestructurecorrespondingtotheprepeak.ThecrystallizationonsettemperatureincreasesasCe/NiratioincreasesinamorphousAl90NixCe10-xalloys,whereasitdecreasesasCe/FeratioincreasesinamorphousAl90FexCe10-xalloys.AbetteratomicpackingproducesasCecontentincreasesbecauseofthesizemismatchinAlNi-CesystemsandasFecontentincreasesbecauseoftheincreasingFecentralstructuralunits.

简介：我们经常看到各种商用、民用住宅楼的门窗被安装上形形色色的防盗网。猛一看，一格格窗户就像被放大的鸟笼。但是你可曾想过，当大火来临时，困在防盗网中的人们将逃向何方。

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简介：Ｗｏｒｔｂｉｌｄｕｎｇ（２６）余心以－ｅｎ或ｅｒｎ为后缀的形容词的基本词大部分为物质名词或表示植物的名词。此类形容词表示一物件是用某种物质或材料制造的。如果名词词尾有－ｅ或ｅｒ，则后缀中的－ｅ省去。例：ｇｏｌｄｅｎ（金的、金制的）＝ａｕｓＧｏｌｄｌｅ...

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简介：TheinteractionbetweenZn-AleutecticalloyandAl2O3p/6061Alcompositesinthevacuumfurnacewasinvestigated.Greatattentionhasbeenpaidtotheelementsdiffusion,themicrostructureandformationoftheinterfacebetweenZn-AIeutecticalloyandAl2O3p/6061Alcomposites.ExperimentalresultsshowthatZn-AleutecticalloyhasagoodwettingabilitytoAl2O3p/6061Alcompositesandthewettingangledecreaseswithincreasingthetemperatureinvacuum.Aftertheinteraction,aninteractionlayerformsbetweenZn-AIalloyandAl2O3p/6061Alcomposites.Thephasesintheinteractionlayermainlyconsistofα-Al(Zn),Al2O3andCuZn5resultedfromthediffusionofelementsfromtheZn-Alalloy.SeveralporositiesdistributeintheregionneartheinterfaceoftheZn-Alalloy/interactionlayer.TheamountofshrinkagevoidsintheinteractinglayerisrelevanttothepenetrationofZnelementintoAl2O3p/6061Alcompositeswhichisafunctionoftemperature.SoitisnecessarytolowerheatingtemperatureinordertolimittheZnpenetration.

简介：有的女人是星巴克，所有人都说她有品位，我只能跟她谈爱情，在她身上消磨一杯咖啡的时间；有的女人是麦当劳，我们在一起有吃快餐一般的快感，很容易满足，但我觉得自己正被快速地变成垃圾。当我遇到那个把自己维持在26度的女人，忽然看到了家的形象，发现自己得救了，那个女人值得我跟她谈爱。

简介：近日，2006年索尼数码单反相机新品发布会在京举行．索尼在会上发布了备受期待的首款数码单反相机α100．同时发布的还有21支可更换镜头以及包括闪光灯等在内的40余款配件。此间．卡尔·蔡司也宣布为索尼数码单反提供镜头．这批镜头将以ZA命名．以表明是卡尔·蔡司为索尼α专门研发的。索尼收购柯美的单反相机部门后不长的时间就推出了首款数码单反相机，表明了其进入数码单反领域的坚定决心。

简介：ItwasshownbyTEMandX-rayanalysisthatNi3AlisthemainphaseoftheintermetallicsynthesizedundercompressionfromthepowdermixtureofNiwithAlalloyedbyB.TheNi3Bisasecondaryphase.ThevalueofthelatticeparameteroftheintermetallicNi3AlwithandwithoutBincreaseswhentheconcentrationofAlincreases.TheincreaseinAlconcentrationfrom23.5to25.0intheinitialpowdermixtureleadstodecreasingthesolubilityofBintheNi3Alphase.

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简介：Chandler服侍Aurora用完早餐之后，还想与她缠绵一会儿，可是Aurora一看时间不早，便执意离去。Chandler百般挽留，Aurora迫于无奈只好说出自己又有了一个新情人Andrew。这个消息让Chandler一时无所适从，好不容易分到的一点儿爱情又有新人插足。此时此刻Chandler一心想要．Aurora留下来，

简介：一份来自北京海淀区人民检察院的调查表明,近三年来,北京海淀区人民检察院查处的30岁以下国家公职人员贪污、受贿案件共19件,这些作案人的平均年龄只有25.6岁,年龄最小的仅有19岁,这一现象也被称之为"26岁现象".无独有偶,天津市人民检察院2000年查处的贪污、挪用公款案件中,30岁左右的有54人,占25.5%,与1999年同期相比有较大幅度的上升.

简介：InaccordancewiththecharacteristicsofChina’smineralresources,Chineseresearchershavedevelopedthetitlenewconductorthatreachesinter-nationalstandards.TheRE-Alconductorhasbetterelectricalconductivity,highertensilestrength,bet-terductility,strongerresistancetowearingandcor-

简介：Recently,ShijiazhuangAluminiumPlantandChangchunResearchInstituteofAppliedChemistry,AcademiaSinica,co-developedanewmethodtopro-duceAl-SialloycastingpartsbyemployingAl-Sr-REalloyasmodificatorinsteadoftraditionalsodiumsalt.

简介：在传统的利用化爆和二级轻气炮作为驱动源的状态方程阻抗匹配实验中，为了考核不同标准材料的可信度，采用了标准材料交叉检验技术。即依次利用这些标准材料作为测量某个待测材料测量雨贡纽线的标准材料，通过比较待测材料雨贡纽线数据的一致性实现对这些标准材料的检验。2004年在神光-Ⅱ装置上完成的二倍频激光Al-Cu和Cu-A1阻抗匹配实验，是一种交叉实验。这两类实验不仅铝、铜二者互为标准材料和待测材料，而且实验包含了正反阻抗匹配两种类型：铝-铜正阻抗匹配实验中冲击波由低阻抗铝进入高阻抗待测材料铜，铜-铝反阻抗匹配实验中冲击波由高阻抗铜进入低阻抗待测材料铝中。

简介：Inthispaper,X-raydiffractogramanalysisandSEMobservationofAl4C3formedathightemperaturefromcarbon-containingrefractorieswithAlhavebeencarriedout.Aluminumaddedtocarbon-containingrefractoriesreactswithC(s)toformAl4C3(s)graduallyduringheatingfrom600℃to1200℃.ItisconsideredthattheinterlockedstructureofAl4C3platecrystalspromotestheoutstandingincreaseofhotmodulusofruptureofcarbon-containingrefractorieswithAl.TheHMORofcarbon-containingrefractoriesaddedwithAladditivefrom0to5wt％increasesby2.8timesbeingfrom6.5MPato18.2MPa.AfterathermochemicalcalculationforhydrationreactionprocessesofAl4C3andH2O(g),theequilibriumpartialpressurechartofH2O(g)inH2O-Al4C3-Al(OH)3systemvsvarioustemperatureshasbeenattained.TheH2O(g)partialpressureintheairneededfortheAl4C3hydrationreactionisnomorethan10～18atmatthetemperaturebelow120℃.Itisconsideredthattheburnedcarbon-containingrefractorieswithAlisextremelyeasytohydrateandthecrackingofburnedcarbon-containingrefractoriesisgeneratedbecausethatthehydrationexpansionis2.11timesduringtransformingfromAl4C3toAl(OH)3.ThefundamentalmeasureagainsthydrationoftherefractoriesistoinsulatetherefractoriesfromH2O(g)byvariousmeanssuchaspitchimpregnationorothersealingmaterials.

简介：TheNd60Fe20Al8Co10B2alloywaspreparedbysuctioncastingofthemoltenalloyintoacoppermoldunderargonatmosphere.Themicro-structuralandmagneticpropertychangesintheNd60Fe20Al8Co10B2alloyduringcrystallizationwereinvestigatedbyX-raydiffraction(XRD),differentialscanningcalorimetry(DSC),scanningelectronmicroscope(SEM)andthevibratingsamplemagnetometer(VSM).TheprecipitationandNd-richandFe-richphaseshavenosignificanteffectontheintrinsiccoercitityforNd60Fe20Al8Co10B2alloyannealedbelow723K.However,thegrowthofFe-richphasedecreasesthesaturatemagnetizationandremanenceofthealloy.Thehardmagneticbehaviorisdisappearedwhenthealloyisfullycrystallized.

简介：铝和铬的性质有不少相似之处.它们都是两性金属,既能溶于酸又能溶于强碱;都被冷的浓硝酸钝化,其氧化物Al2O3、Cr2O3都是熔点高、硬度大的物质,其氢氧化物Al（OH）3、Cr（OH）3都是难溶于水的两性氢氧化物,既能溶于酸又能溶于强碱.本文利用Al—H2O系统的（?）—pH图及Cr—H2O系统的（?）—pH图,对铝和铬及其氢氧化物的两性进行分析.一、Al—H2O系统（?）—pH图图1为Al—H2O系统的（?）—pH图,其作法是:（?）线代表H+/H2线.根据（?）（H+/H2）=-0.0592pH-（0.0592/2）1g（P（H2））

简介：为了预防和早期发现产道血腥，本文对我院7年间发生的26例产道血肿分析如下。