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| 1 | Ammonium improves iron nutrition by decreasing leaf apoplastic pH of sunflower plants(Helianthus annuus L.cv.Frankasol)显示文摘The effect of nitrogen form on pH and concentration of soluble iron (Fe) in leaf apoplast was investigated in hydrophonically grown sunflower plants (Helianthus annuus L. cv. Frankasol), and the mechanism underlying the improved Fe nutrition by ammonium (NH4) supply was also elucidated. Ammonium supply ameliorated Fe nutrition of plants grown without Fe through decreasing apoplastic pH and increasing soluble Fe concentration in apoplastic fluid of young leaves. The soluble Fe concentration in apoplastic fluid and cell sap of young leaves, and xylem exudates of NH4 fed-plants was higher than that of nitrate (NO3) fed-plants, and no typical Fe-deficiency chlorosis in young leaves was observed in NH4 fed plant without Fe supply. The apoplastic pH was 6.15 and 5.94 in young leaves of Fe-deficient plants fed respectively with NO3 and NH4, while in Fe-sufficient plants, the apoplastic pH was 6.43 with NO3, and 5.50 with NH4 supply. In primary leaves, the apoplastic pH was around 6.25 irrespective of nitrogen form and Fe supply. The pH of xylem exudate was 5.72 in Fe-deficient plants fed with NO3 and 5.49 with NH4. Iron nutrition increased the pH of xylem exudate by 0.27 and 0.16 unit under NO3 and NH4 supply respectively. | ZOU Chunqin & ZHANG Fusuo Key Laboratory of Plant-Soil Interactions, Ministry of Education Key Laboratory of Plant Nutrition, Ministry of Agriculture of China Department of Plant Nutrition, China Agricultural University, Beijing 100094, China Correspondence should be addressed to Zhang Fusuo (e-mail: zhangfs@ cau.edu.cn) | 2003 | Chinese Science Bulletin2003，48，20： | 8 |
| 2 | A genetic algorithm based stochastic programming model for air quality management显示文摘This paper presents a model that can aid planners in defining the total allowable pollutant discharge in the planning region, accounting for the dynamic and stochastic character of meteorological conditions. This is accomplished by integrating Monte Carlo simulation and using genetic algorithm to solve the model. The model is demonstrated by using a realistic air urban scale SO 2 control problem in the Yuxi City of China. To evaluate effectiveness of the model, results of the approach are shown to compare with those of the linear deterministic procedures. This paper also provides a valuable insight into how air quality targets should be made when the air pollutant will not threat the residents’ health. Finally, a discussion of the areas for further research are briefly delineated. | MaXM ZhangF | 2002 | Journal of Environmental Sciences2002，14，3： | 5 |
| 3 | A new chemiluminescence system: MnO4^- - Na2CO3 - KOH its application in the determination of manganese 显示文摘 | ZhangF Lin Q | 1993 | Talanta1993，40，10： | 1 |
| 4 | 显示文摘 | 陈国南(ChenGN) 吴元兴(WuYX) 段建平(DuanJP) 张帆(ZhangF) | 1999 | 福州大学学报:自然科学版1999，27，： | 1 |
| 5 | 《Onthevalueofcommitmentandavailabilityguaranteeswhensellingtostrategicconsumers》显示文摘 | SuX ZhangF | 2009 | ManagementScience2009，55，5： | 1 |
| 6 | TheeffectofhighlyactiveantiretroviraltherapyonmortalityinHIV-InfectedformerplasmadonorsinChina显示文摘 | ZhangF DouZ YuL | | 0，，： | 1 |
| 7 | Increasedc-Fosexpressioninthemedialpartofthelateralhabenuladuringcue-evokedheroin-see-kinginrats显示文摘 | ZhangF ZhouW LiuH etal | 2005 | NeurosciLett2005，386，2： | 1 |
| 8 | Nitric oxide functions as asignal insalt resistance in the calluses fromtwo ecotypes of reed显示文摘 | ZHAOL ZHANGF GUOJ | 2004 | Plant Physiol2004，134，： | 1 |
| 9 | FivefearoutcomesoftheChinanationalfreeantiretroviraltreatmentprogram显示文摘 | ZhangF DouZ MaY | | 0，，： | 1 |
| 10 | Correlations of Bmi-1expression and te-lomerase activityin ovarian cancer tissues显示文摘 | ZhangF Sui L Xin T | 2008 | Exp Oncol2008，30，1： | 1 |
| 11 | Macrophagepolarizationanditsroleininfectiousdiseases显示文摘 | ZHANGF XIONGSD | | 细胞生物学杂志0，，： | 1 |
| 12 | Decreaseofzif-268andc-fosandincreaseofc-junmRNAinthecatareas17,18and19followingcompletevisualdeafferentation显示文摘 | 10,ZhangF VanduffelW SchiffmannSN etal | 1995 | EurJNeurosci1995，7，6： | 1 |
| 13 | ElevatedIL-6receptorexpressiononCD4+TcellscontributestotheincreasedTh17responsesinpatientswithchronichepatitisB显示文摘 | ZhangF YaoS YuanJ etal | 2011 | VirolJ2011，8，： | 1 |
| 14 | The roles of zinc element in stabilizingthe plasma membrane of plant cell [J]显示文摘 | ZhangFS(张福锁) | 1993 | 土壤学报1993，30，： | 1 |
| 15 | Theapplicationandthetrendoflasertechnologyinagriculture显示文摘 | FuS-L(付三玲) WeiZ-R(韦志仁) ZhangF(张伏) etal | 2006 | 农机化研究2006，，8： | 1 |
| 16 | AnalysisontheecologicaldominanceoftheTaxusmaireiforestcommunityinShanxi显示文摘 | ZhangF(张峰) ShangguanT-L(上官铁梁) | | 山西大学学报:自然科学版0，，： | 1 |
| 17 | HIV, hepatitis B virus, and hep- atitis C virus co-infection in patients in the China National Free Antiretroviral Treatment Program, 2010-12: a retrospective ob- servational cohort study 显示文摘 | ZhangF ZhuH WuY etal | 2014 | Lancet Infect Dis2014，14，11： | 1 |
| 18 | Nanocrys- talline NiO as an electrode material for electrochemical capacitor显示文摘 | ZHANGF B ZHOU Y K LI H L etal | 2004 | Materials Chemistry and Physics2004，83，9： | 1 |
| 19 | PPARγagonistpioglitazoneinhabitsmicrogliainflammationbyblockingp38mitogenactivatedproteinkinasesignalingpathways-显示文摘 | JiH WangH ZhangF etal | 2010 | Inflamm-Res2010，59，11： | 1 |
| 20 | Phenotypic and genotypic characteristic of invasive pneumococcal isolates from both children and adult patients from a multicenter surveillance in China 2005-2011显示文摘 | ZhaoC ZhangF ChuY | 2013 | PLoS One2013，8，82： | 1 |
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