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| 1 | OPTICAL PROPERTIES OF GeO_2 AND Ge NANOCRYSTALS显示文摘he co m pound m aterial of n m size particles Ge O2 Si O2 w as synthesied through hydrolysis of Si( O C2 H4) and Ge Cl4 . A heat treatm ent w as carried out for the sa m ples at 100 ~1200 ℃in air . Its optical property w as deter mined by U V Vis spectur m . We have found that theabsorption edge of spectru m shifted progressively to longer w avelengths . The quantu m size ef fect of nanocrystals appears because crystals gro w and energy of optical band gap reduces d ueto the influence of te m perature . By the analysis of X ray diffraction w e have observed theprocess in w hich the structure of particles changed fro m disorder into order . | Y.H.Zhou 1) ,Y.Y.Feng 2) and H.Y.Lu 2) 1)Department of Physics Nanjing Normal University, Nanjing 210097,China 2)Physics and Ch寁O P T I C A L P R O P E R T I E S O F Ge O2 A N D Ge N A N O C R Y S T A L S Y. H. Zhou1) , Y. Y. Feng2) | 1999 | Acta Metallurgica Sinica(English Letters)1999，12，5： | 22 |
| 2 | Increased secretion of pro-inflammatory cytokines by circulating polymorphonuclear neutrophills and regulation by interleukin 10 during intestinal inflammation显示文摘Increasedsecretionofproinflammatorycytokinesbycirculatingpolymorphonuclearneutrophilsandregulationbyinterleukin10duringintes... | S Nikolaus 1, J Bauditz 1, P Gionchetti 2, C Witt 3, H Lochs 1 and S Schreiber 1 1Charité University Hospital, 4th Medical Department, Humboldt University, Berlin, Germany 2Clinica Media I, Policlinico S. Orsola, University of Bolog | 1998 | World Journal of Gastroenterology1998，4，3： | 17 |
| 3 | Bipolar charged aerosol agglomeration and collection by a two-zone agglomerator显示文摘In older to collect fine particles more efficiently, a new type electrostatic agglomerator with two zones was developed. The distinguishing feature of this electrostatic agglomerator is that the particles are bipolarly charged and coagulated in the same alternating electric field simultaneously. The silica flour with 2 μm mass median diameter and the smoke from burning wood powder were used as test aerosol. The comparison experimental results have shown that when the mean electric field is 4 kV/cm the collection efficiency of the new electrostatic agglomerator was 98.2% for silica flour and 67.4% for wood powder smoke. Under the same experimental condition, the collection efficiency of the electrostatic agglomerator with three zones was 97.4% for collecting silica flour and the collection efficiency of the electrostatic precipitator was 56.3% for wood powder smoke. | XIANG Xiao dong 1, CHEN Bao zhi 1, COLBECK I 2 (1. School of Resource and Civil Engineering, Northeastern University, Shenyang 110006, China. 2. Institute for Environmental Research, Department of Biological and Chemical Sciences, University of Es | 2001 | Journal of Environmental Sciences2001，13，3： | 9 |
| 4 | 稀土元素分析显示文摘本文对1992~1993年间稀土元素分析化学方面的进展进行了评述,内容包括分离方法,重量法,容量法,吸光光度法,荧光光度法,原子吸收光谱法,原子发射光谱法,原子荧光光谱法,X-射线荧光光谱法,发光分析法,中子活化分析法,电化学分析法,质谱法(MS)及其他分析方法的综述,引用文献305篇。 | Liu Wenhua Wang Changqing and Cao Xiangjiu (Beijing GeneralResearch institute for Non-Ferrous Metals, Beijingl 00088 ) , Fenxi Shiyanshi , 1 994 , 1 3 ( 5 1 , 77~ 87This is the fourth biennial periodic review on rareearth elements analysis. The review i | 1994 | 分析试验室1994，13，5： | 6 |
| 5 | Evaluation of grain boundary slid- ing contribution to the total strain during superplastic deform- ation显示文摘 | Portnoy V K Novikov 1 I | 1998 | Scripta Materia[ia1998，40，1： | 1 |
| 6 | mTORCI-mediated cell proliferation, but not cell growth, controlled by the 4E-BPs显示文摘 | Dowling R 1 Topisirovic I Alain T | 2010 | Science2010，328，5982： | 1 |
| 7 | Incremental value ofT2-we i gh t ed and d i f f us i on-weighted MRI for predictionof biochemical recurrenceafter radical prostatectomy inclinically localized prostatecancer 显示文摘 | N i sh ida K Yuen S Kamo i K et a 1 | 2011 | Acta Radiol2011，52，2： | 1 |
| 8 | Research and Development and Intraindustry Spillovers: An Empirical Application of Dynamic Duality 显示文摘 | Benrstein J I Nadiri M 1 | 1989 | Review of Economic Studies1989，56，： | 1 |
| 9 | Adsorption of toxic melal ions onto activated carbon study of sorption behavior through char acterization and kinetics显示文摘 | SRIVASTAVA V C MALL I D MISHRA 1 M | 2008 | Chem Eng Process2008，47，8： | 1 |
| 10 | The pacemaker activity of interstitial cells of Cajal and gastric electrical activity 显示文摘 | eamborov(1 P Hubkal P Ulkovd I | 2003 | Physiol Res2003，52，2： | 1 |
| 11 | The application of bioflocculant for the removal of humic acids from stabilized landfill leachates 显示文摘 | Zouboulis A 1 Chai X L Katsoyiannis I A | 2004 | J Environ Manag2004，70，： | 1 |
| 12 | Results of the Troitsk experiment on the search for the electron antineutrino rest mass in triti- um beta-decay显示文摘 | Belesev A I Bleule A 1 Geraskin E V | 1995 | Physics Letters B1995，350，2： | 1 |
| 13 | Generation of isogenic pluripotent stem cells differing exclusively at two early onset Parkinson point mutations显示文摘 | Soldner F Laganière J Cheng A W Hockemeyer D Gao Q Alagappan 1 Khurana V Golbe L I | | 0，，02： | 1 |
| 14 | Prospective longitudinal assessment of late anthracyeline eardiotoxicity after childhood cancer: the role of diastolic function 显示文摘 | Dorup I Levitt G Sullivan 1 | 2004 | Heart2004，90，10： | 1 |
| 15 | Airway managementbehavior,experience and knowledge among Danishanaesthesiologists-room for improvement 显示文摘 | Kr i s tensenMS Mo 1 1 erJ | 2001 | ActaAnaesthesiol Scand2001，45，9： | 1 |
| 16 | A simple model for the early events of quorum sensing in Pseudomonas aeruginosa : modeling bacterial swarming as the movement of an ' activa tion zone'显示文摘 | Netotea S Bertani I Steindler 1 | 2009 | Biology Direct2009，4，： | 1 |
| 17 | Trans fatty acids and cardiovascular health: Translation of the evidence base显示文摘 | BOOKER C S MANN 1 I | 2008 | Nutrition Metabolism & Cardiovascular Diseases2008，18，： | 1 |
| 18 | B7-H4 is over-expressed in early-stage ovarian cancer and is independent of CA125 expression显示文摘 | Simon 1 Katsaros D Rigault de la Longrais I | 2007 | Gynecol Oncol2007，106，2： | 1 |
| 19 | Separate detemination of residual isocyanate groups and allophanates in polyurethanes显示文摘 | Foliforova I G Bulygin B M Kopusov L 1 | 1975 | Zavon Lab1975，41，6： | 1 |
| 20 | The biological functions of ceruloplasmin expressed through copperbinding sites and a cellular receptor显示文摘 | Pau E 1 yaropolov A I | 1994 | J Trace elem Exp Med1994，7，： | 1 |
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