简介：在现在的学习，为129碘(129我)在铁锰合金，外壳被开发并且129iodine/127碘(129I/127我)在铁锰合金外壳中的比率被加速器团spectrometry(AMS)测量。发达方法被使用分析129I/127我在从中间和平的海洋收集的二铁锰合金外壳MP5D44和CXD08-1的比率。结果显示出那129I/127我在MP5D44和CXD08-1外壳中的比率从7湩敧变化吗？？

简介：-BasedontheextendedMorisonEquationandmodeltests,thein-lineforcesonsmallsquarecylinderscausedbywaves(regularandirregular)andcurrentsareanalyzedindetailinthispaper.ThehydrodynamiccoefficientCDandCurelatedtoKCnumberandtheeffectofdirectionofwaveincidencearealsogiven,whichcanbeusedinengineeringpractice.

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简介：AbriefreviewismadeonthetheoryoftheLagrangianresidualcirculationandinter-tidaltransportsinaconvectivelyweaklynonlinearsystem.Inthereviewtheemphasisisputonthesystematicaldevelopmentofthetheoryanditsweaknessofconvectivelyweaklynonlinearapproximation.ThefundamentalsofaLagrangiantidally-averagedtheoryoncirculationwithinter-tidaltransportprocesseshavebeenproposedforageneralnonlinearcoastal/estuarinesystem.TheLagrangianresidualvelocityisstrictlydefined,andithasbeenverifiedtobeabletoembodythevelocityfieldofcirculation.Anewconceptoftheconcentrationforinter-tidaltransportprocessesispresented.Theconcentrationdescribingtheinter-tidaltransportprocessesshouldbea'Lagrangianinter-tidalconcentration'definedandnamed,butnottheEuleriantidally-averagedconcentrationusedtraditionally.Thecirculationdescribedherecontainsasetofinfinitetemporal-spatialfieldsofvelocity/concentration,eachofwhichcorrespondstoaspecificvalueoftidalphasesvaryingcontinuouslyoveronetidalcycle.Whentheconvectivelyweaklynonlinearcondition(withasmallerorderofeddydiffusionandsources)isapproximatelysatisfied,asetofinfinitetemporal-spatialfieldsofvelocity/concentrationcanbereducedtoasingleone:themasstransportvelocity/theEuleriantidallyaveragedconcentrationasexhibitedtraditionally.

简介：海水热力学的二个重要非线性的性质连接了到水密度，cabbeling和弹性(压缩的可能性)的变化，被讨论。埃迪散开和移流在密度导致变化；作为结果，系统的重力的势能被改变。因此，cabbeling和弹性玩在侧面的旋涡散开和移流的energetics给角色调音。垂直旋涡散开是处于全球海洋的机械精力平衡的关键元素之一。垂直旋涡散开能概念上被分开成二步：激动人心并且subscale散开。垂直旋涡向上、温暖/轻的激动人心的推冷/稠密水向下流水；因此，重力的势能被增加。在第二步期间，来自不同地方的水群众通过subscale混合散开，和水密度由于cabbeling被增加。使用WOA01气候学并且假定垂直旋涡扩散性等于2慭楲敮瀠慨潥桰瑹獥?有洠牡湩?桲摯灯票整?ㄠ?挠汨牯灯票整?的经常的价值?挠祲瑰灯票整??栠灡潴桰瑹獥?湡?‵汧畡潣桰瑹獥眠牥?敳畱湥散?眠?獵摥愠朠湥?湡污獹獩洠瑥潨?潴愠慮祬敺琠敨倠?朠湥?敳畱湥散?湩愠杬敡愠摮挠湯楦浲琠敨攠楸瑳湥散漠?桴???敧敮椠?桴?牴湡'諛L瑰浯捩猠煥敵据湩?慤慴漠?桒摯灯票慴愠摮传档潲桰瑹吗？

简介：主要讨论如何通过C#编程语言处理Word测量文档写入和读取内部表格、图形数据的方法,以文档格式化输出为主线,解决了输出标准化测量文档的几个难点问题,并提出了一些有效的解决方案和技巧。另外,提出了一种新的人机交互处理的文档的方法,并给出了相应的标准化处理机制。通过编制的程序实现了测量文档中测量要素输出、提取、修订以及检查和评定。

简介：Toobtainthemaximumangiotensin-Iconvertingenzyme(ACE)inhibitoryactivity,theproteinhydrolysisconditionsofthejellyfishRhopilemahispidumwereoptimizedusingresponsesurfacemethodology(RSM).TrypsinwasselectedtoproduceR.hispidumproteinhydrolysates(RPH)withACEinhibitoryactivity.TheoptimalparametersforproducingproteinhydrolysateswiththehighestACEinhibitoryactivitywereasfollows:hydrolysistime5h,hydrolysistemperature50℃,andtheenzyme-to-substrateratio6%.Undertheseconditions,theACEinhibitoryrateofRPHcouldreach64.28%±5.72%.Inaddition,RPHcontainedhighlevelsofGly,Glu,Pro,Ala,AspandArg,withamolecularweightdistributionrangeof0.32–6.84kDa.ThefollowingthreenovelACEinhibitorypeptideswereisolatedandidentified:Ile-Gly-Glu-Thr-Gly-Pro,Gly-Ala-Thr-Gly-Pro-Ala-Gly-Tyr-ValandGly-Ala-Phe-Gly-Pro-Gly-Gly-Leu-Val-Gly-Arg-Pro.TheIC50valuesoftheACEinhibitoryactivityofthesethreepurifiedpeptideswere19.07,27.42and31.26μmolL^-1,respectively.TheseresultssuggestedthatproteinsandpeptidesisolatedfromR.hispidumcouldbeutilizedasantihypertensivefunctionalfoodsources.

简介：格林macroalgaeChaetomorphaaerea和C。linum分类地被糊涂。在这份报纸，我们试试词法、分子的分析分开这二种。C。aerea和C。linum能与词法characteritics被区分开来，例如复叶尺寸，房间尺寸和形状，他们的吝啬的长度/宽度比率(LWR)，和房间围收缩。C的Thalli。aerea由顶往底地稀释与在上面的部分的直径270-500m，在中间的部分的160-360m，在基础部分的100-160m。为上面的部分，房间的长度是不到他们的直径。房间墙通常在隔膜压缩，它透明或无色并且给细丝beaded外观。相反，C的thalli。linum经常在一样的个人，以内有90-300m的一条经常的直径房间墙通常不压缩，房间是圆柱的或塑造的桶。LWR比C的大。aerea。结果证明在二种之间的pairwise距离为它的区域是为18SrRNA基因和53.5%-54.3%的3.6%-3.7%。在发展史，他们在远clades散布，它在分子的水平证实基因分叉。另外，词法数据显示C的那条细丝直径。linum样品是高度可变的，从90m到300m。然后这二种能被看作分开种类。

简介：算例一:设某一船只位于我国罗兰C系统东海台组的左侧基线延长线附近,其地理坐标为P（φ:10°00′N,λ:113°30′E）,该点至三岸台的大地距离分别为S1=1560054.877m,S2=2398108.765m,S3=3126522.685m,化算到地心球面上得到球面距离差α1=-7°.528238688,α2=6°.543342783,试将该点的大地距离差采用地心球面迭代法反解该点的船位大地坐标,并比较其计算船位的精度。

简介：Thegeophysicalmodelfunction(GMF)describestherelationshipbetweenbackscatteringandseasurfacewind,sothatwindvectorscanberetrievedfrombackscatteringmeasurement.TheGMFplaysanimportantroleinoceanwindvectorretrievals,itsperformancewilldirectlyinfluencetheaccuracyoftheretrievedwindvector.Neuralnetwork(NN)approachisusedtodevelopaunifiedGMFforC-bandandKu-band(NN-GMF).EmpiricalGMFCMOD4andQSCAT-1areusedtogeneratethesimulatedtrainingdata-set,andGaussiannoiseatasignalnoiseratioof30dBisaddedtothedata-settosimulatethenoiseinthebackscatteringmeasurement.TheNN-GMFemploysradiofrequencyasanadditionalparameter,soitcanbeappliedforbothC-bandandKu-band.Analysesshowthattheσ0predictedbytheNN-GMFiscomparablewiththeσ0predictedbyCMOD4andQSCAT-1.AlsothewindvectorsretrievedfromtheNN-GMFandempiricalGMFCMOD4andQSCAT-1arecomparable,indicatingthattheNN-GMFisaseffectiveastheempiricalGMF,andhastheadvantagesoftheuniversalform.

简介：Inthisstudy,threecDNAsequencescorrespondingtocytochromeP450C17(CYP17I),3β-hydroxysteroiddehydrogenase(3β-HSD)andandrogenreceptor(AR)wereisolatedfromspottedseabass(Lateolabraxmaculatus).ThemRNAabundancesofCYP17Iand3β-HSDincreasedfromstageⅡtostageⅤwithasignificantincreaseatstageⅤ,andthehighestabundanceofARmRNAwasdetectedatstageⅢintesticulardevelopmentcycle.CYP17I,3β-HSDandARtranscriptswereobviouslyabundantinsteroidogenesistissuessuchastestis,brain,headkidneyamongothers.StrongandpositivesignalswereobservedmainlyininterstitialcellregionsofL.maculatustestisasweremeasuredwithinsituhybridizationmethod.SignificantincreasesofCYP17Iand3β-HSDtranscriptsweredetectedafter12–48hhCG(humanchorionicgonadotropin)andGnRHa(gonadotropin-releasinghormoneanalogue)treatments.However,anoppositerelationshipwasfoundforARintestisatthesametime.Inaddition,decreasingtrendsofCYP17Iand3β-HSDmRNAwereobservedintestisofL.maculatusinfreshwatergroup(FW)fromday2today6,andmRNAabundanceofARincreasedinbrackishwater(BW)groupfromday4today8.Thesefindingsrevealedthatthesethreesteroidsynthesisgenesareimportfortesticulardevelopment,hormoneandsalinitytreatment,andprovidedalsoaninsightintothemechanismofreproductiveendocrineofL.maculatus.

简介：Dongsha区域是为在华南海(SCS)的煤气的水合物探索的最有希望的目标区域之一。毛孔水地球化学的学习在中国煤气的水合物探索起了一个关键作用。Br/Cl，I/Cl和37毛孔水里的Cl在在低温度沉积环境跟踪煤气的水合物出现，毛孔液体的化学进化和水/岩石相互作用这里被使用。样品在2004在Dongsha区域从地点HD255PC和HD309PC被收集。在地点HD255PC，我们发现了提高的Br/Cl，I/Cl并且那么减少了在4-5m的深度的4/Cl，可能从煤气的水合物出现产生的旁边地移植的液体暗示。37Clis-0.54到+0.96，和积极37在4-5m间隔的Cl应该与在35Cl和37Cl。在地点HD309PC，旁边地移植的液体也在3-4m的深度被发现，与Br/Cltwotimes到，显示海水和减少的I/Cl，液体没有与煤气的水合物的关系。在这个地点，氯同位素的作文改变from-0.7到+1.9。额外的高Br/Cl可能与深产生的液体联系。在更高的温度和压力，液体的Br/Cl在含水的硅酸盐形成期间被提高，当时积极37Cl也与一样的机制被联系。

简介：讨论并分析了在目前GNSS广泛应用的背景下，罗兰系统所面对的挑战和机遇。对增强罗兰技术的国际现状作了一定的介绍和分析，并对我国罗兰C系统进行现代化改造的需求和可行性进行了简单分析。结论表明，罗兰C系统作为GNSS的备份增强系统进行改造和建设是必要可行的。

简介：Thegrowth,biochemicalcontentandbioaccumulationquantityof2,2’,4,4’-tetrabromodiphenylether(BDE-47)inSkeletonemacostatumwerestudiedunderdifferentN:Pratios(1,4,16,64and128).AllcellularbiochemicalcontentsofS.costatumpresenteddecreasingtrendovercultivationtime.Atearlystageofcultivation,thecellularprotein,carbohydrateandlipidinS.costatumpresentedhighervaluesintreatmentsofN:P=4and16.However,theywerelowerinthesetreatmentsatthelatestage,buthigherintreatmentsN:P=1and128.Similarly,BDE-47levelspercellofS.costatumwerehigherintreatmentsofN:P=4and16atearlystageofcultivation,whichwere3.8and3.7ng(106cells)-1,respectively.Atthemiddlestageofcultivation,theBDE-47levelperS.costatumcelllowered;anditfurtherreducedinthetreatmentsofN:P=4and16atthelatestagewiththevalues0.6and0.5ng(106cells)-1,respectively.However,itroseinN:P=128,reachingupto2.3ng(106cells)-1.ComparedwithBDE-47percell,BDE-47peralgalvolumeunderdifferentN:Pratiosdidnotpresentobviousdifference.ThequantityBDE-47accumulatedpercellofS.costatumwaspositivelycorrelatedwithprotein,carbohydrateandlipidpercell;meanwhile,theBDE-47pervolumehadapositivecorrelationwithbiochemicalcontentpervolume.ThevariationofbioaccumulationabilityofBDE-47inS.costatumcanbeexplainedbybiochemicalchangesduetoN:Pratios.

简介：这份报纸论述基于的一个人工的神经网络(ANN)能被用来预言c-的失败概率的反应表面方法与空间地可变的土壤倾斜。在这个方法，拉丁hypercube采样技术被采用为建立一个ANN模型产生输入数据集；随机的有限元素方法然后被利用就土壤性质的空间可变性而言计算相应输出数据集；并且最后，一个ANN模型被训练构造失败概率的反应表面并且获得合并相关变量的近似功能。说明例子的结果显示建议方法提供失败概率的可信、精确的评价。作为结果，获得的近似函数能在c-斜坡可靠性分析被用作特定的分析进程的一种选择。

简介：TiO2filmswereformedonmetallictitaniumsubstratesbytheanodicoxidationmethodinH2SO4solutionunderthe80VD.C..PhasecomponentandmicrostructurewerecharacterizedbyX-raydiffraction(XRD)andscanningelectronmicroscopy(SEM).Watercontactanglesontitaniumoxidefilmsurfaceweremeasuredunderbothdarkandsunlightilluminationconditions.Corrosiontestswerecarriedoutinseawaterunderdifferentilluminationconditionsbyelectrochemistryimpedancespectrum(EIS)andpolarizationcurves.TheresultshowedthattheTiO2filmpreparedbytheanodicoxidationmethodwasanatasewithauniformstructureandwithoutobviousporesorcracksonitssurface.Theaveragewatercontactangleofthefilmwas116.4?indark,incontrasttoanangleof42.7?undertheUVilluminationfor2hours,whichdemonstratesgoodhydrophobicproperty.Theanti-corrosionbehavioroftheTiO2filmwasdecliningwiththeextendedimmersiontime.Underdarkconditions,however,thehydrophobicTiO2filmretardedthewaterinfiltratingintothesubstrate.Theimpedancechangedslowlyandthecorrosioncurrentdensitywas2ordersofmagnitudelowerthanthatwiththefilmilluminatedbysunlight.AllofthosementionedaboveindicatethattheTiO2filmpossessesmuchbetterperformanceunderdarkcondition,anditcanbeappliedasanengineeringmaterialunderdarkseawaterenvironment.

简介：为弥补测高数据在近海区域因为编辑准则被剔除而导致近海测量数据质量不高的缺点,利用5参数模型的两种形式和Ice-2模型对Jason-2卫星在中国南海部分海域的海洋回波波形进行了波形重跟踪的研究,并选择20个海洋回波波形,依据最小二乘原理进行计算、分析、对比,发现5参数模型的指数形式的结果和Ice-2模型结果非常接近.研究结果表明,在开阔的海域,对Jason-2波形进行3种方法波形重跟踪时,可以优先考虑Ice-2模型.波形重跟踪技术能够提高卫星测高数据利用率,为科学研究提供可靠的数据保障.

简介：CarboncycleisconnectedwiththemostimportantenvironmentalissueofGlobalChange.Asoneofthemajorcarbonreservoirs,oceansplayanimportantpartinthecarboncycle.Inrecentyears,ironseemstogiveusagoodnewsthatoceanicironfertilizationcouldstimulatebiologicalproduc-tivityasCO2sinkofhuman-producedCO2.Oceanicironfertilizationexperimentshaveverifiedthataddingironintohighnutrientlowchlorophyll(HNLC)seawaterscanincreasephytoplanktonproductionandexportorganiccarbon,andhenceincreasecarbonsinkofanthropogenicCO2,toreduceglobalwarming.Insixtydays,theexportorganiccarboncouldreach10000timesforaddingironbymodelpredictionandinsituexperiment,I.e.TheatmosphericCO2uptakeandinorganiccarbondrawdowninupperseawatersalsohavethesamemagnitude.Therefore,oceanicironfertilizationisoneofthestrate-giesforincreasingcarbonsinkofanthropogenicCO2.Thepaperisfocusedontheironfertilization,es-peciallyinsituoceanironexperimentsinorderthatthefutureresearchismoreefficient.

简介：Astochastictwo-dimensionalFornasini-Marchesini'sModelⅡ(2-DFMMⅡ)withmultiplicativenoiseisgiven,andafilteringalgorithmforthismodel,whichisoptimalinthesenseoflinearminimum-variance,isdeveloped.Thestochastic2-DFMMⅡwithmultiplicativenoisecanbereducedtoa1-Dmodel,andtheproposedoptimalfilteringalgorithmforthestochastic2-DFMMⅡwithmultiplicativenoiseisobtainedbyusingthestateestimationtheoryof1-Dsystems.Anexampleisgiventoillustratethevalidityofthisalgorithm.

简介：Thispaperpresentsthedetaildesignconditions,designcriteriaandmethodsaswellasdesignconclusionsoftheprocess,structureandcorrosionoftheproductionflowlinesandhighpressurewaterinjectionlinesinBZ34-2/4oilfieldinBohaiBay.AtpresentthisdesignrepresentsthedesigncapabilityandlevelinthefieldofthesubmarinepipelineengineeringofChina.