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| 1 | Spatial features of land use/land cover change in the United States显示文摘With the classifi cation data covering American land-use/land-cover (LUCC) with 30 m resolu tion from the project of National Land Cover Data (NLCD), we normalize d them and made their resolution changed into 1 km ×1 km, created the data of American land-use grade and analyzed the spatial distribution and featur es of American LUCC as well as the influence of population and altit ude on the land-use grade in light of methods of sampling analysis a nd correlation study. Based on the analysis, we concluded that forestr y and grassland, accounting for 71.24% of the whole country, has taken the main part of American land cover, and besides, construction and arable land has occupied 19.22% of the total land, the rest of land cover types, including water area, wetland and underdeveloped land, is 9. 54% of the country’s total. The developing potential of American land resources is enormous with less destroyed and disturbed ecological environment. Although, in some sense, the population and altitude influence the sp atial variation of American land-use grade respectively, the influence of spatial variation of altitude and population density on that of la nd-use grade is not significanct. | GAO Zhiqiang,LIU Jiyuan,DENG Xiangzheng(Inst. of Geographic Sciences and Nat ural Resources Research, CAS, Beijing 100101, China) | 2003 | Journal of Geographical Sciences2003，13，1： | 3 |
| 2 | Prevention of pvreterm birth by cervical cerclage compared with exepectantmanage ment:a systematic review显示文摘 | Odibo AO Elkousy M Ural SH | 2003 | Obstet Gynecol Surv2003，58，2： | 1 |
| 3 | Design of translation rotary ultrasonic motor (TR-USM) with slanted piezoelectric ceramics 显示文摘 | TUNCDEMIR S URALS O BURHANETTIN K | 2011 | Japanese Journal of Applied Physics2011，，02： | 1 |
| 4 | Three-dimensional, parallel, finite element simulation of fatigue crack growth in a spiral bevel pinion gear显示文摘 | URAL A HEBER G WAWRZYNEK P A | 2005 | Engineering Fracture Mechanics2005，72，： | 1 |
| 5 | Evalution of real-time PCR Method for rapid diagnosis of brucellosis with different clinical manifestations显示文摘 | Surucuoglu S E1 S Ural S | 2009 | Pal J Microbiol2009，58，1： | 1 |
| 6 | Gestational diabetes mellitus 显示文摘 | Gilmartin AB Ural SH Repke JT | 2008 | Rev Obstet Gynecol2008，1，3： | 1 |
| 7 | Glenohumeral joint subluxation and reflex sympathetic dystrophy in hemiplegic patients显示文摘 | Dursun E Dursun N Ural CE | 2000 | Arch Phys Med Rehabil2000，81，7： | 1 |
| 8 | Management of cesarean scar pregnancy with suction curettage: a report of four cases and review of the literature 显示文摘 | Bayoglu Tekin Y Mete Ural U Balik G | 2014 | Arch Gynecol Obstet2014，25，： | 1 |
| 9 | In vitro evaluation of zoledronic acid resistance developed in MCF-7 cells显示文摘 | Kars MD Iseri OD Ural AU | 2007 | Anticance Res2007，27，6： | 1 |
| 10 | Protective role of propolis in chlorpyrifos-induced changes in the haematological parameters and the oxidative/ antioxidative status of Cyprinus carpio carpio 显示文摘 | ENIS YONAR M YONAR S M URAL M T | 2012 | Food and Chemical Toxicology2012，50，8： | 1 |
| 11 | Glenohumeral joint subluxation and reflex sympathetic in hemiplegic patients显示文摘 | Dursun E Dursun N Ural CE | 2000 | Arch Phys Med Rehabil2000，81，7： | 1 |
| 12 | Essential thrombocythemia: a case of acute ST-segment elevation myocardial infarction in a young female显示文摘 | Bildirici U Celikyurt U Ural E | 2009 | Clin Cardiol2009，32，2： | 1 |
| 13 | The degree of antenatal ventriculomegaly is related to pediatric neurological morbidity显示文摘 | E. Graham A. Duhl S. Ural M. Allen K. Blakemore F. Witter | 2001 | Journal of Maternal-Fetal and Neonatal Medicine2001，，4： | 1 |
| 14 | Relation between proinflammatory to anti-inflammatory cytokine ratios and long-term prognosis in patients with non-ST elevation acute coronary syndrome显示文摘 | Kilic T Ural D Ural E | 2006 | Heart2006，92，： | 1 |
| 15 | Prediction of Colles'fracture load in human radius using cohesive finite element modeling显示文摘 | Ural A | 2009 | J Biomech2009，42，1： | 1 |
| 16 | Influence of dental alloys and an all-ceramic material on cell viability and interleukin-1 beta release in a three dimensional cell culture mode显示文摘 | Mehmet DALKIZ Jülide OZEN Ali Ugur URAL | 2005 | Turk J Med Sci2005，35，2： | 1 |
| 17 | Evaluation of 24-hour shear bond strength of resin composite to porcelain according to surface treatment显示文摘 | Gttler AU Yilmaz F Ural C | 2005 | Int J Prosthodont2005，18，2： | 1 |
| 18 | Comparison of the long-term prognostic value of cystatin C to other indicators of renal function, markers of in- flammation and systolic dysfunction among patients with acute coronary syndrome显示文摘 | Kilic T Oner G Ural E | 2009 | Atheroaclerosis2009，207，2： | 1 |
| 19 | Retroviral transduction of human dihydropyrimidine dehydrogenase cDNA confers resistance to 5-fluorouracil in murine hematopoietic progenitor cells and human CD34^+ -enriched peripheral blood progenitor cells显示文摘 | Takebe N Zhao SC Ural AU | 2001 | Cancer Gene Therapy2001，8，： | 1 |
| 20 | Poly-D, L-lactide epsilon caprolactone hydroxyapatite composites as bone filler: an in vivo study in rats显示文摘 | Senkoylu A Ural E Kesenci K | 2002 | Int J Artif Organs2002，25，12： | 1 |
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