简介："3S"技术已广泛应用于生态环境监测的各个领域.针对利用"3S"技术在三江源区进行生态环境动态监测的意义、特点及可行性进行了探讨,并根据三江源区生态环境存在的主要问题,制定了动态监测主要内容.

简介：介绍3S技术在翔安区森林资源年度监测和建档工作中技术应用.利用遥感影像和本地森林资源二类数据进行叠加,区划出差异图斑,作为外业重点核实调查对象;在全球定位系统的支持下,利用手持GPS进行森林资源的野外调查的导航和差异图斑边界的确定,以确保差异图斑的准确性,并完成海拔、坡度、坡向等相关属性因子的调查;利用地理信息系统软件,进行外业数据的转绘,内业数据的存储、管理和制图以及各种统计报表的生成和成果输出.通过3S技术应用,提高森林资源年度监测建档工作效率和准确性,并逐步实现森林资源监测的信息化管理.

简介：ＦＲＯＭＷＯＭＥＮ＇ＳＭＯＵＮＴＡＩＮＰＲＯＤＵＣＴＩＯＮＢＲＩＧＡＤＥＳＴＯＷＯＭＥＮ＇ＳＴＲＥＥＦＡＲＭＳ￥ＢｙＸｉｅＪｉｎｇｘｉａｎｇＹｏｕｘｉｃｏｕｎｔｙｉｓｓｉｔｕａｔｅｄｉｎａｍｏｕｎｔａｉｎｏｕｓ，ｐｏｏｒｌｙｆｏｒｅｓｔｅｄｒｅｇｉｏ...

简介：ＤｉｓｃｕｓｓｉｏｎｏｆＸｉｘｉａ’ｓＦｏｒｅｓｔｒｙＡＭｏｄｅｌｆｏｒｔｈｅＤｅｖｅｌｏｐｍｅｎｔｏｆＣｈｉｎａ’ｓＴｏｗｎｓｈｉｐＦｏｒｅｓｔｒｙ￥ｂｙＸｕＧｕｏｚｈｅｎＰｏｖｅｒｔｙｉｓｓｔｉｌｌａｓｅｒｉｏｕｓｓｏｃｉａｌａｎｄｅｃｏｎｏｍｉ...

简介：Aseriesofnovel(S,S)-2,8-diazabicyclo[4.3.0]nonanecontainingbenzimidazolemoietywassynthesizedandtheirstructuresweredeterminedby1HNMRandHRMS.ThebiologicalactivityresultsshowedthatthesecompoundspossessedmoderateantifungalactivitytosomeplantpathogenousfungiandmoderateinsecticidalactivityagainstMythimnaseparataWalkerandCulexpipienspallens.Compounds6eand6fexhibitedgoodantibacterialactivityagainstSclerotiniasclerotiorum,PhytophthorainfestansandFusariumgraminearum.Thelethalityratesofcompounds6eand6kagainstMythimnaseparataWalkerwere100%at200mg/Landthelethalityratesofcompounds6hand6kagainstC.pippienspallenswere75%at2mg/L.

简介：ＷＯＭＥＮ’ＳＰＡＲＴＩＣＩＰＡＴＩＯＮＩＮＳＯＣＩＡＬＦＯＲＥＳＴＲＹＢｙＬｕｏＲｏｎｇｈｕａｉＬｕｏｓｈｕｉｉｓａｖｉｌｌａｇｅｉｎＮｉｎｇｌａｎｇＣｏｕｎｔｙｉｎＹｕｎｎａｎＰｒｏｖｉｎｃｅ．ＭｏｓｔｏｆｏｆｔｈｅＭｏｓｕｏｎａｔｉｏｎａｌｉｔ...

简介：利用函数S-粗集（functionsingularroughsets），提出了变异函数S-粗集，给出了变异函数S-粗集的数学结构和特性。变异函数S-粗集具有两类形式：单向变异函数S-粗集，双向变异函数S-粗集。

简介：Inrecentyears,thequantityandqualityofglobalforestresourcesaredecliningcontinually.Contrarily,thebothinChinaareincreasing,whichisdeeplyrelatedtothesustainableforestmanagementandeco-systemmanagementinChina.Withthetrendthatworldcommunityknowsmoreabouttheimportantroleofforest,moreandmorefunctionsofforestarerecognized.TheimpactandfunctionsofChina'sforestrydeservemoreconcern.Basedonsomeexperiencesinthefieldofforestryresearch,theauthors...

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简介：Sulfurtransformationin3soilsmaintainedinaclosedincubationsystemanditsavailabilitytoplantswereinvestigatedusingcarrier-free^35S-SO4^2-and^35S-labeledryegrassstraw.Forcarrier-freeNa2^35SO4treatment,78%,70%and64%of^35SappliedwerefoundinCa(H2PO4)2-extractaleSfraction,4%,5%and7%inslowlysolubleinorganicS,11%,15%and18%inC-O-S,5%,7%,and6%inC-bondedS,and5%,7%and6%inunidentifiedorganicS120daysafterincubationinblacksoil,cinnamonsoilandchestnutsoil,respectively.Mostof35Suptakebyplantscamefromextractable35SO4^2-,andlittlefromC-O-^35SandC-bonded^35S,Inthetreatmentwith35S-labeledstraw,51%,46%and36%of35SincorporatedwerefoundinCa(H2PO4)2-extractableSfraction,7%,6%and7%inslowlysolubleinorganicS,13%,15%and18%inC-O-S,8%,8%and6%inC-bondedS,and18%,25%and35%inunidentifiedorganicSattheendofincubationinabove-mentonedthreesoils,respectively.HigheravailabilityofC-O-35S,C-bonded35Sandunidentifiedorganic35Sfrom35S-labeledstrawwasobservedin35S-labeledstrawtreatmentcomparedtocarrier-freeNa2^35SO4treatment.

简介：Forestshavemultiplebenefitsandfunctions,includingmitigationofclimatechange.Theimpactsofforestsontheglobalcarboncycleincludeforestsascarbonsinks,wood-basedproductsascarbonsinks,bio-energy,andproductionanduseofnon-timberproducts.Inthepastdecades,forestcoverofChinahasincreasedfrom8.6%to18.21%bylarge-scaleafforestationandconversionofcroplandintoforests.Forestbiomasscarbon(C)stockincreasedfrom4.3PgC(1PgC=1015gC)intheearly1980sto5...

简介：前一时期盛行的现场“5S”管理，即整理、整顿、清扫、清洁、素养；营销“5S”只是笔者的引申义，可理解为“整理、整顿、协调、维护、卓越”。营销“5S”管理包括市场5S管理、客户5S管理、产品5S管理、营销代表5S管理。

简介：Asanemergingindustry,China'swoodfloorindustrydatesbacktotheearly1980s.Despitealatestart,ithasdevelopedrapidlyduringthelast20years.ThepastdecadeshavewitnessedgreatchangesinChina'swoodfloorindustry.Withhighquality,manyproducts"madeinChina"areavailablewidelyabroadnowadays.Currentglobaleconomicshocks,however,affectChina'sdomesticrealestatesector;hencethefallingdomesticsalesofwoodfloor.Thepaperaimstoidentifythecurrentsituationoffloorindustry...

简介：根据中央和省市农业农村工作会议以及省市农机化工作会议精神,按照＂三严三实＂的基本要求,2015年宿迁市宿豫区农机局以率先基本实现农业机械化为目标,以优化农机装备结构为引领,以新机具新技术推广为平台,以农机队伍建设为抓手,以农机安全生产为保障,以农机社会化服务为载体,＂五区＂同创,兴机富民,全力推进农业机械化强区建设。（1）优化结构,创建全省农机装备先行区。

简介：Urbangreening,urbanforestryandurbangreenstructureplanningalllookatacityasaunitandintendtoimprovethestatusofgreenspaceinthecity.Eventhoughtheyarenewterms,theirconceptshaveevolvedoveraratherlongperiod.Thispaperpresentsahistoricalreviewofwesternconceptsforurbangreeningsincethe1850s.Thefirstaimistoestablishanoverviewofhowtheurbangreeningconcepthasdevelopedandwhattherelationshipsarebetweenthehistoricalconceptsandurbangreening,urbanforestryandurbangreenstructureplanningtoday.Thesecondarypurposeistounderstandsomekeyissuesforurbangreeningthroughtheexaminationofhistoricalprecedents.Basedonaliteraturereview,thepaperpresentsseveralhistoricalconceptsforurbangreening-rampartareaplanning,parksystem,greenbelts,greenwedgesandgreenways.Thenewconceptofurbangreenstructureisalsointroduced.Eachconceptisdefined.Thesocialbackgroundandtheinfluenceoncitydevelopmentaredescribed.Thereviewshowsthattheconceptofurbangreeninghasalonghistory,parallelwiththedevelopmentofthecityplanningconcepts.Thescopeofurbangreeninghasbecomelargeroverthepastyears.Thefunctionsofurbangreenspacehavechangedfromsingle-purposetomulti-purpose.Thestudyindicatesthathistoricalconceptsmaystillgiveinspirationintoday'surbangreeningprocess.

简介：SulfatecanbeactivatedbyATPsulfurylaseandadenosine5-phosphosulfatekinase(APSK)invivo.RecentstudiessuggestedthatAPSKinArabidopsisthalianaregulatedthepartitionbetweenAPSreductionandphosphorylationanditsactivitycanbemodulatedbycellularredoxstatus.InordertostudyregulationofAPSKinrice(OsAPSK),OsAPSKIgenewasclonedanditsactivitywasanalyzed.OsAPSKIC36andC69werefoundtobetheconservedcounterpartsofC86andC119,whichinvolvedindisulfideformationinAtAPSK.C36A/C69AOsAPSK1doublemutationwasmadebysitedirectedmutagenesis.OsAPSKanditsmutantwereprokaryoticallyover-expressedandpurified,andthenassayedforAPSphosphorylationactivity.OsAPSK1activitywasdepressedbyoxidizedglutathione,whiletheactivityofitsmutantwasnot.Furtherstudiesinthecasethatoxidativestresswillfluctuateinvivo3'-phosphoadenosine-5'-phosphosulfatecontent,andallAPSKisoenzymeshavesimilarregulationpatternsarenecessarytobeperformed.

简介：Man-madeforest,whichistheforestecosystemofrehabilitationandreconstruction,playsasignificantroleintheprovisionofforestproductsandimprovementtheecologicalenvironment.Inthispaper,weestablishedtheAR(5)modeltopredictChina'sforestareafrom2009to2015.Thisstudyshowstheslowgrowthofthenationalplantationareatrendwithsomefluctuations,buttheoverallgrowthrateisnotlarge.WeproposedthatononehandChinashouldcontinuetoincreasetheplantationarea,ont...

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简介：试验选择４０头２８日龄断奶、体重约７．５千克的３５日龄长大二元杂交仔猪，随机分成２组，每组２０头，分别饲喂某品牌３１１仔猪全价颗粒饲料和Ｓ９５仔猪补充饲料，经过２４天的试验，结果表明，试验组仔猪生长速度比对照组快３．３７％（Ｐ〉０．０５），料肉比降低５．４１％，每千克增重饲料成本降低１４．５４％。

简介：S—Ⅲ型高速旋水片是江苏省靖江县陈树勋同志研制的,普通手动喷雾器换上这个装置,有雾点细密,喷射角大,飘移性好,省药省工等优点。一般能节省农药30％,提高工效一倍以上,防效优于常规喷雾或相等。一、S—Ⅲ型高速旋水片:由皮垫圈、不锈钢小孔片(孔径1mm)和海绵滤片