简介：XPS(X光检查光电子光谱学)分光计EscA-750被用来分析激活的碳，磁性的试剂和磁性的激活的碳的表面特性。他们的C原子价的分发和变化是坚定的。结论是磁性的试剂能化学上在激活的碳的表面上被吸附。在微观结构的磁性的试剂的吸附的机制的解释被讨论。

简介：为了在萌芽能力(LTG)上调查低温度，有198根线的一张doublehaploid米饭(DH)人口源于与indicalineZhenshan97B混合的F_1的花药培养，长期的装饰用的梨树线AAV002863被用来构造连锁图with140SSR标记。在Zhenshan97B和AAV002863的萌芽率是79.7%和30.1%，当时inDH人口它在6天以后在15°C从0～100%。控制低温度germinabilitywere的量的特点loci(QTL)在染色体上识别了3和10。归因于QLTG-3和QLTG-10的观察phenotypic的百分比分别地是12.6%和12.9%。从Zhenshan97B的等位基因在qLTG-3区域增加了LTG，当时从在qLTG-10的AAV002863increasedtheLTG的等位基因区域。一个个epistatic相互作用在染色体上在loci之间被检测3和10。染色体10上的QTL主要效果也涉及epistaticinteraction。

简介：Manystudiesindicatedthattheproductsofbiosphereburninghaveshortandlong-termeffectsontheatmosphere.Vegetationburningcanproducesomegaseswhichhavesignificantinfluenceonenvironment,includingsomegreenhousegasesasCO2andCH4,etc.Smokeaerosolsproducedfromburningalsoinfluenceglobalclimateandatmosphericchemistry.Thepapercalculatestheconsumedbiomassduetoforestfiresaccordingtothestatisticsofforestfiresfrom1991to2000andresearchresultsofbiomassofChineseforests.Duringthestudyperiod,forestfiresburnedaverage5Tg-7Tgbiomasseachyearanddirectlyemitted20.24Tg-28.56Tgcarbon.In1991-2000,averageemissionofcarbondioxideandCH4accountfor2.7%-3.9%and3.3%-4.7%ofthetotalemissionofChina(calculatingwiththedataof2000),respectively.

简介：Thepaperreviewedthereferencesofcarbonsequenceandoxygenreleaseofforestresources.Thedynasticphysicalaccountingmodelisestablished,andbenefittransfermodelisadoptedtocalculatewillingtopayforcarbonsequenceandoxygen.BengheForestryFarmofLinyiPrefectureofShandongProvinceisselectedasthecasestudyarea,theaccountingresultispresentedinthepaper.

简介：TheimpactofpHchangesonmicrobialbiomasscarbon(Cmic)andmicrobialbiomassphosphorus(Pmic)wereexaminedfor3redsoilsundercitrusproductionwithdifferentlengthsofcultivation.SoilpHsignificantlyaffectedCmicandPmic.TheCmicandPmicchanges,asafunctionofsoilpH,appearedtofollowanormaldistributionwiththeoriginalsoilpHvalueattheapexandaspHincreasedordecreasedcomparedtotheoriginalsoilpH,CmicandPmicdeclined.Moreover,therewerecriticalpHvaluesatbothextremes(3.0ontheacidicsideand8.0to8.5onthealkalineside),beyondwhichmostofmicroorganismscouldneversurvive.TheeffectofpHonCmicandPmicwasalsorelatedtotheoriginalsoilpH.ThehighertheoriginalsoilpHwas,thelessCmicorPmicwereaffectedbypHchange.ItissuggestedthatsoilmicroorganismsthatgrowinasoilenvironmentwithamoreneutralsoilpHrange(I.e.pH5.5-7.5)mayhaveagreatertolerancetopHchangesthanthosegrowinginmoreacidicormorealkalinesoilpHconditions.

简介：Thereareabout1.27millionhaofuplandredsoilsderivedfromQuaternaryredclayfacingthedegradationinthelow-hillyregionofthemiddlesubtropicalChina.Fromtheaspectsofchemistry,physicsandmicrobiology,theprocessesofsoilfertilityrestorationinthesurfacelayer(0-20cm)underthreetypesoflandusepatterns(i.e.citursorchard,teagardenandupland)intwoprovinceswerestudiedinthiswork.Resultsshowedthatthereclamationoferodedwastealdnimprovedmostofsoilproperties.Soilorganicmatter,totalNandP,availablePandK,andexchangeableCaandMgincreased,butsoiltotalKandexchangeableAldecreasedSoilpHdecreasedby0.5unitinthepureteaplantationfor20years.Soilreclamationincreasedthepercentageofsoilmicreasedby0.5unitinthepureteaplantationfor20years.Soilreclamationincreasedthepercentageofsoilmicroaggregates(<0.25mm),especiallythosewithadiameterof0.02-0.002mm.Soiltotalporosityincreasedinthecultivatedlandswiththeincreaseofsoilaerationandcapillaryporosity,Thenumberofsoilmicroorganismsincreasedwithreclamationcausedmainlybythehugeincreaseofthetotalamoutofbacteria,Withthecultivation,theeativityofsoilureaseandacidphosphataseincreased.butthatofinvertasedropped.

简介：比较方法和录象带录音机被使用以防为记录二个组操作符的操作表演的学习。时间跨度是7个月，从9月到三月。在9月的操作的表演作为参考书被拿。测试调查和数据分析的结果证明掉落树的手术效率被冷天气影响，适当地减少了18.5%在里面平均。

简介：Low-molecular-weight(LMW)organicacidsexistwidelyinsoilsandhavebeenimplicatedinmanysoilprocesses.TheobjectiveofthepresentpaperwastoevaluateeffectoftwoLMWorganicacids,citricacidandoxalicacid,onCl-adsorptionbythreevariablechargesoils,alatosol,alateriticredsoilandaredsoil,usingabatchmethod.TheresultsshowedthatthepresenceofcitricacidandoxalicacidledtoadecreaseinCl-adsorptionwithlargerdecreasesforcitricacid.AmongthedifferentsoilsGl-adsorptioninthelateriticredsoilandtheredsoilwasmoreaffectedbyboththeLMWorganicacidsthanthatinthelatosol.

简介：集中和在Castanopsiskawakamii和中国冷杉木(Cunninghamialanceolata)的单一经营种植园的森林地板的文档的季节的动力学在Sanming被估计，福建，中国(26°11′30″N，117°26′00″E)。福雷斯特地板样品在2002在1月，4月，7月和10月被拿并且划分成波形的镇静的材料(地平线Oi)，部分分解了器官的材料(地平线Oe)，并且充分分解了器官的材料(horizonOa)。在收集之上，样品的文档集中被高温TOC分析。Theresults证明中国冷杉木的累年平均文档集中(1341.7mg·kg~(在森林地板的-1))比Castanopsiskawakamii的高(1178.9mg·kg~(-1))。在DOCconcentrations的差别在森林地板的三根地平线之中被观察。二个森林里的森林地板的文档集中在地平线Oe是最高的。文档集中的季节的趋势森林地板的冷淡的地平线是类似的，最大的价值发生在秋天(或冬季)。集中和学习森林里的文档的时间的变化可能与在在森林地板的有机物的潮湿，温度，生物学的活性和数量的变化有关。