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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 | Effects of luteinizing hormone and androgen on the development of rat progenitor Leydig cells in vitro and in vivo显示文摘祖先 Leydig 房间从干细胞被导出。祖先 Leydig 房间的增长和区别显著地在发身期间贡献 Leydig 房间数字。然而,这些过程的规定仍然保持不清楚。现在的学习的目的是决定 luteinizing 荷尔蒙(LH ) 或雄激素是否贡献祖先 Leydig 房间的增长和区别。Fourteen-day-old 男 Sprague-Dawley 老鼠与 NalGlu 被对待 7 天,它是一个释放 gonadotropin 荷尔蒙对手,到在垂体并且这样减少 LH 的分泌物,在睾丸的雄激素。老鼠与 LH 或 7 α 被共同管理; -methyl-nortestosterone (MENT ) 是对由 5 α 的新陈代谢抵抗的雄激素, -reductase 1 在祖先 Leydig 房间,和 LH 或雄激素的随后的效果被测量。3 H-Thymidine 静脉内地也被注入老鼠在祖先 Leydig 房间学习 thymidine 加入。祖先 Leydig 房间被检验。NalGlu 管理由 83 % 减少了祖先 Leydig 房间增长;。另外, LH 或 MENT 处理恢复了 Leydig 房间 proliferative 能力到 73 %或 50 %控制,分别地。增长相关的基因的送信人 RNA 层次用即时 PCR 被测量。Igf1, Lifr, Pdgfra, Bcl2, Ccnd3 和 Pcna 的表示层次是由 MENT 的 upregulated,并且 Pdgfra, Ccnd3 和 Pcna 的那些是由 LH 的 upregulated。LH 和 MENT 在 vitro 刺激了祖先 Leydig 房间的区别。我们断定 LH 和 MENT 涉及调整祖先 Leydig 房间的发展。 | Jing-Jing Guo Xue Ma Claire Q F Wang Yu-Fei Ge Qing-Quan Lian Dianne O Hard Yu-Fei Zhang Qiang Dong Yun-Fei Xu Ren-Shan Ge | 2013 | Asian Journal of Andrology2013，15，5： | 4 |
| 3 | Engrafted bone marrow-derived flk-(1+) mesenchymal stem cells regenerate skin tissue显示文摘 | Deng W Han Q Liao L Li C Ge W Zhao Z You S Deng H Murad F Zhao RC | 2006 | 中国生物学文摘2006，20，5： | 2 |
| 4 | Effects of lesions of various brain areas on drug priming or footshock-induced reactivation of extinguished conditioned place preference 显示文摘 | Wang B Luo F Ge XC | 2002 | Brain Res2002，950，12： | 1 |
| 5 | Potassium Ferricyanide Mediated Disposable Biosensor for Determination of Maltose and Glucose显示文摘 | Ge F Zhang X E Zhang Z P | 1998 | Analytical Letters1998，31，： | 1 |
| 6 | Heparanase: a new metastasis-associated antigen recognized in breast cancer patients by spontaneously induced memory T lymphocytes显示文摘 | Sommerfeldt N Beckhove P Ge Y Sehutz F Choi C Bucur M Domsehke C Sohn C Sehneeweis A Rom J Poll- mann D Leneht D Vlodavsky I Sehirrmaeher V | 2006 | Cancer Res2006，66，15： | 1 |
| 7 | Effects of pH on the chlorination process of phenols in drinking water 显示文摘 | Ge F Zhu L Z Chen H R | 2006 | J Hazard Mater2006，133，13： | 1 |
| 8 | A DFT--based QSAR study of the toxicity of quaternary ammonium compounds on chlorella vulgaris 显示文摘 | Zhu M J Ge F Zhu R L | 2010 | Chemosphere2010，80，1： | 1 |
| 9 | Low major histocompatibility complex class Ⅱ DQA diversity in the giant panda (Ailuropoda melanoleuca) 显示文摘 | Zhu L Ruan X D Ge Y F | 2007 | BMC Genet2007，8，： | 1 |
| 10 | Multiplicity results for some second-order four-point boundary value problems显示文摘 | BAI Z B GE W G WANG Y F | | 0，，60： | 1 |
| 11 | Prediction of texture char- acteristics from extrusion food surface images using a computer vision system and artificial neural networks 显示文摘 | Fan F H Ma Q Ge J | 2013 | Journal of Food Engineering2013，118，： | 1 |
| 12 | Geniculate neuralgiaand audiovestibular disturbances due to compression of the intermediate and eighth nerves by the postero-inferior cerebellar artery显示文摘 | Ouaknine GE Robert F Molina-Negro P | 1980 | Surg Neuroi1980，13，2： | 1 |
| 13 | Review of recent research on data-based process monitoring显示文摘 | Ge Z Song Z Gao F | 2013 | Industrial & Engi- neering Chemistry Research2013，52，10： | 1 |
| 14 | Genetic variation analysis of Chinese strains of porcine circovirus type 2显示文摘 | Wang F Guo X Ge X | 2009 | Virus Res2009，145，1： | 1 |
| 15 | Detection and remediatinn of soil and aquifer systems contaminated with petroleum products:An overview显示文摘 | NADIM F HOAG GE LIU S | 2000 | Pet Sci Technol2000，26，14： | 1 |
| 16 | Antimicrobial-resistant Campylobacter species from retail raw meats显示文摘 | GE B WHITE D G McDERMOTT P F | 2003 | Appl Environ Microbiol2003，69，： | 1 |
| 17 | On optical burst switching and self-similar traffic显示文摘 | Ge A Callegati F and Tamil L S | 2000 | IEEE Communications Letters2000，4，3： | 1 |
| 18 | Angiographically silent plaque in the left main coronary ar tery detected by intravascular ultrasound显示文摘 | Ge J Liu F Gerber T | 1995 | Coron Artery Dis1995，6，： | 1 |
| 19 | Meta-analysis:tota! parenteral nutrition versus total enteral nutrition in predicted severe acute pancreatitis 显示文摘 | Yi F Ge L Zhao J | 2012 | Intern Med2012，51，6： | 1 |
| 20 | Multigrid Method Based on a Transformation-free HOC Scheme on Nonuniform Grids for 2D ConvectionDiffusion Problems显示文摘 | Ge Y B Cao F J | 2011 | Journal of Computational Physics2011，230，10： | 1 |
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