fluxes相关论文
Fluxes,stocks and availability of nitrogen in evergreen broadleaf and fir forests:similarities and d
In this study,nitrogen fluxes or flows in litterfall,nitrogen stocks and available nitrogen in soils of two plots repres......
It is difficult to accurately measure the temperature of the falling particle receiver since thermocouples may directly ......
Evaluation of the CAM and PX Surface Layer Parameterization Schemes for Momentum and Sensible Heat F
In this study, the performances of the Community Atmosphere Model (CAM) and Pleim-Xiu (PX) surface layer parameterizatio......
A novel flux charging method and a crucible quenching method were employed to study the mechanism of solid fluxes refini......
Fluctuations of greenhouse gases emissions and soil properties occur at short spatial and temporal scales,however,result......
T Roll vortices, which often appear when cold air outbreaks over warm ocean surfaces, are an important system for energy......
During geomagnetically active times such as geomagnetic storms,large amounts of energy can be released into the Earth’s......
Sintering characteristics of common fluxes and sintering blending ores,such as mineralization capacity,liquid generation......
我国湖泊富营养化状况十分严重,湖泊污染物入湖通量的研究可为营养盐入湖总量控制管理提供基础数据。针对入湖河流、大气湿沉降以及......
介绍了一种新型高强钢埋弧焊用碱性烧结焊剂(SJ—K1)。该焊剂具有良好的工艺性能,电弧燃烧稳定,尤其是具有较强的抗吸潮性,这种焊......
In this study, adopting uniform design method established a mathematical model to prepare multi-element active flux. GHA6......
采用不同流型(无粘,层流,湍流)的数值模拟方法计算了绕大钝头短体外形的跨音速大迎角时的流态,并进行了比较分析.数值方法中选用va......
对直流、离心喷嘴进行了理论分析,采用'频率法'对直流和离心喷嘴的动态特性进行了数值模拟,所得结果表明:增加振荡频率会......
VerticalfluxesofvolatilemercuryoversoilsurfacesinGuizhouProvince,ChinaFengXinbin,ChenYecai,ZhuWeiguoStateKeyLaboratoryofEnvir.........
Diurnal and seasonal variations in carbon fluxes in bamboo forests during the growing season in Zhej
Bamboo forest is an important forest type in subtropical China and is characterized by fast growth and high carbon seque......
To understand soil N2O fluxes from temperate forests in a climate-sensitive transitional zone,N2O emissions from three t......
研究了溶液配比和降温速率对K2Al2B2O7(KABO)晶体生长的影响,发现NaF与KABO的适宜比例为2:1,晶体生长的合适降温速率为(0.1~5)℃/d,......
结合搭接和嵌套网格的特点,提出了嵌补式多块网格技术.使得网格生成和流场计算都得到了相应的简化.方法简单直观,并且能够严格保证......
1673K下,采用-Mo│Cr+Cr2O3‖ZrO2(MgO)‖{Cu+Cr}alloy+(Cr2O3)slag│M固体电解质电池测定了BaO-BaF2-Cr2O3渣系中Cr2O3的活度,研究结果表明,Cr2O3的活度随其浓度升高而升高。随XBaO/XBaF2升高而降低。根据实验及X射线衍射结果......
利用静态箱式方法,对温带落叶森林土壤排放CO2、CH4和N2O进行了长周期测定,结果表明,这些气体年排放总量分别为2800g/m2、-0.64g/m2和0.05g/m2,此结果与同类型研究接近,具有......
概述了用于电子器件中的中温钎料(450~600℃)的特点及应用条件,回顾中温钎料近40年来的发展,指出非晶态中温钎料在电子器件中的应用......
用通量分析的方法比较研究籼稻73—07和税稻80—66根部K~+(~(86)Rb~+)的吸收和运输的差异。耐低钾的籼稻73—07根部吸收和运输K~+(......
采用固相微波法研究了助熔剂对MgAl2O4∶Eu3+荧光粉发光性能的影响。利用XRD和荧光光谱仪对合成产物的物相和发光光谱进行研究,分别......
通过研究了得到了合理的热浸镀铝助镀剂及其表面熔融剂的配方。...
主要对组成铝焊膏的钎料、钎剂以及成膏体进行了研究.并制备出适合于铝-铝、铝-铝合金、铝-不锈钢焊接用的新型铝焊膏.该铝焊膏具有......
在FA-1高温铝钎剂的基础上,加入一定量的添加剂研制出一种新型的高温铝钎剂--FA-3.单独使用FA-3钎焊Al/Al,可达到FA-1与AS-1配合使......
The regeneration of pore water (PW) nutrients was investigated and the contribution of benthic nutrient fluxes to the ov......
通过70t电弧炉炼钢工艺操作的改进,在氧气消耗和冶炼周期不变的中,使电耗由345kWh/t降至328kWh/t,铁耗由1104kg/t降到1067kg/t。......
利用分析纯级Ca3(PO4)2、SiO2、Al2O3、MgO为原料模拟磷矿组成,研究SiO2、Al2O3、MgO对磷矿熔点的影响。结果表明,SiO2、Al2O3、MgO......
通过对珠江流域各主要环境介质中不同形态碳含量的分析和计算,得出该流域0~1.0 m范围内土壤碳库的存量为1.36×1013 kg,占中国......
在河海水混合过程中,由于环境的剧烈改变,发生了一系列复杂的氧化还原,吸附、脱附、生物吸收及降解过程。氮等营养要素是海洋初级......
在河海水混合过程中,由于环境的剧烈改变,发生了一系列复杂的氧化还原,吸附、脱附、生物吸收及降解过程。氮等营养要素是海洋初级......
采用传统高温固相反应法制备了钇铝石榴石荧光粉.通过调整助熔剂能有效提高荧光粉的发光性能,当氟化钡和硼酸含量分别为3%和1%时,YAG......
INTRODUCTIONTherehavebeenmanystudiesandcomputationsonVToftheKuroshiointheEastChinaThisprojectwassupportedbytheNationalNa......
新型弛豫铁电晶体(1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3(PZNT)是一种复合钙钛矿结构的固溶体晶体,具有比传统压电陶瓷PZT远为优越的压电......
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结晶器发热型初始保护渣和球状颗粒保护渣的采用是墨西哥希尔萨钢CSP型薄板坯连铸机成功操作及产品质量良好的原因之一。结晶器中......
本文采用正交设计及单因素轮换法研制了一种MgO-Al2O3-CaF2渣系的粘焊剂,并且着重对该焊剂的合金化进行了探讨。试验中研究了Si,Mn,Ni等合添加对焊缝组织硬......
通过对几种镁合金熔剂的物理性能和使用性能的测定对比,表明:JDMF,JDMJ是一种性能优良的无公害镁合金盖剂和精炼剂。......
给出了CO2跨临界循环地源热泵的系统流程,并在考虑输气系数和绝热效率的基础上,与R22和R134a等进行了循环性能比较.结果表明,用于......
脱气罐是真空处理一种灵活的设备。这种设备适合于二次冶金(炉外精炼),即在氧化或还原的条件下,可将它用于生产低碳、低磷、低氧、低硫......
低成本生产热轧带材的领先技术[德]SMS施罗曼—西马克公司(SMS)拥有最先进的将钢和铝高效率生产为热轧带材的硬件和软件,其主要特点如下。1大型......
The sensitivity of the global atmospheric and oceanic response to sea surface temperature anomaly(SSTA) throughou the So......
Soil cover disturbances have a direct effect on biogeochemistry, potentially enhancing nutrient loss, land degradation a......
Greenhouses Gases, Carbonyls, and Volatile Organic Compounds Surface Flux Emissions at Three Final W
The surface flux emissions for volatile organic compounds (VOC’s) (alcohols and aromatic species), priority carbonyls a......
Dry deposition samples were collected in a weekly basis during 2010 in a site located at the Mexican Pacific Coast: Manz......
Lagos is the world’s sixth largest city, the most populous city in Africa and the most populous city inNigeria. A total......
Chemical Composition, Fluxes and Seasonal Variation of Acid Deposition in Carmen Island, Campeche, M
Two hundred and seven rain events from April to October 2012 were collected in Carmen Island, Campeche, Mexico, and the ......