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| 1 | Variations in Wool Growth with Nutrient Supply in Northern China显示文摘Field studies on essessment of nutritional status of the grazing sheep were carried out in each of the three major grassland regions, the eastern Inner Mongolia and beyond grassland, the Inner Mongolia - Ningxia - Gansu grassland and the Xinjiang grassland, in northern China. The results obtained showed that the wool production of fine wool sheep in these regions varied between regions and seasons, with similar seasonal patterns in all regions and that reducing the seasonal variations in nutrient supply would enhance wool production substantially. Nutritional limitations to wool growth of the grazing sheep in these regions were suggested, those were: the shortage of protein supply in winter and early spring; the poor quality of much of the pasture and the hay used as supplements, the low energy intake during winter which probably necessitated the use of body stores to maintain body temperature. | D X Lu,Iner(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)Z C Feng,(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)H R Wang,(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)R Z Yang,(Xinjiang Institute of Animal Science.Xinjiang Academy of Animal Science.Yiu Hou Road.Urumqi.Xinjiang Uygur Autonomous Region PRC)C T Ma,(Chinese Academy of Agricultural Sciences.Lanzhou.Gansu.PRC)D B Purser,(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014)J R Lindsay(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014)D W Peter(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014) | 1997 | 畜牧与饲料科学1997，22，S1： | 3 |
| 2 | Terahertz Semiconductor Quantum Well Devices显示文摘For eventually providing terahertz science with compact and convenient devices,terahertz (1~10THz) quantum-well photodetectors and quantum-cascade lasers are investigated.The design and projected detector performance are presented together with experimental results for several test devices,all working at photon energies below and around optical phonons.Background limited infrared performance (BLIP) operations are observed for all samples (three in total),designed for different wavelengths.BLIP temperatures of 17,13,and 12K are achieved for peak detection frequencies of 9.7THz(31μm),5.4THz(56μm),and 3.2THz(93μm),respectively.A set of THz quantum-cascade lasers with identical device parameters except for doping concentration is studied.The δ-doping density for each period varies from 3.2×1010 to 4.8×1010cm-2.We observe that the lasing threshold current density increases monotonically with doping concentration.Moreover,the measurements for devices with different cavity lengths provide evidence that the free carrier absorption causes the waveguide loss also to increase monotonically.Interestingly the observed maximum lasing temperature is best at a doping density of 3.6×1010cm-2. | Liu H C Luo H Ban D Waichter M Song C Y Wasilewski Z R Buchanan M Aers G C SpringThorpe A J Cao J C Feng S L Williams B S Hu Q | 2006 | Journal of Semiconductors2006，27，4： | 2 |
| 3 | Study of carrier localization in InGaN/GaN quantum well blue-light-emitting diode struc- tures 显示文摘 | Chen J H Feng Z C | 2006 | J Cryst Growth2006，287，2： | 1 |
| 4 | A study of drilling uni-directionalcarbon/epoxy composites显示文摘 | Gao H Bao Y J Feng Z M | 2011 | International Journal of AbrasiveTechnology2011，4，1： | 1 |
| 5 | Potential molecular basis of different physiological properties of the transient outward K current in rabbit and human atrial myocytes 显示文摘 | Wang Z Feng J Shi H | 1999 | Circ Res1999，84，： | 1 |
| 6 | Kinetically restraining aggrega- tion of ZnS nanocrystals and the effect on photocatalysis 显示文摘 | Feng S A Zhao J H Zhu Z P | 2008 | Materi- als Science and Engineering: B Solid-State Materials for Ad- vanced Technology2008，150，2： | 1 |
| 7 | Endemic models with arbitrarily distributed periods of infection I: fundamental properties of the model显示文摘 | Feng Z Thieme H R | 2000 | SIAM J Appl Math2000，61，： | 1 |
| 8 | Extraordinary transmission in planar waveguide loaded with anisotrop- ic metamaterials 显示文摘 | Feng Y J Teng X H Wang Z B | 2009 | J Appl Phys2009，105，03： | 1 |
| 9 | The structural and magnetic properties of Mn2 xFexNiGa Heusler alloys显示文摘 | LUO H Z MENG F B FENG Z Q LI Y X ZHU W WU G H ZHU X X JIANG C B XU H B | 2010 | J Appl Phys2010，107，01： | 1 |
| 10 | Non-singular terminal sliding mode control of rigid manipulators显示文摘 | Feng Y Yu X H Man Z H | 2002 | Automatica2002，38，12： | 1 |
| 11 | The Design of LDF Data Acquisition System Based on LabVIEW显示文摘 | Liao H Q Qiu Z R Feng G H | 2011 | Procedia Environmental Sciences2011，10，： | 1 |
| 12 | One-pot synthesis of donor-acceptor rotaxanes based on cryptand-pa- raquat recognition motif 显示文摘 | Xu Z K Jiang L S Feng Y H | 2011 | Organic & Biomolecular Chemistry2011，9，： | 1 |
| 13 | Three-stage Process for Im- proving Roll Bending Quality 显示文摘 | FENG Z CHAMPLIAUD H | 2011 | Simulation Modeling Practice and Theory2011，19，2： | 1 |
| 14 | Thermomechanical properties of brazed wire-woven bulk Kagome cellular metals for multifunctional applications显示文摘 | FENG S S LI M Z JOO J H | 2012 | Journal of Thermophysics and Heat Transfer2012，26，1： | 1 |
| 15 | PEDF improves cardiac function in rats with acute myocardial infarction via inhibiting vascular permeability and cardiomyocyte apoptosis显示文摘 | ZHANG H WANG Z FENG SJ et ol | 2015 | Int J Mol Sci2015，16，3： | 1 |
| 16 | Promoter methylation of APC and RAR-~ genes as prognostic markers in non- small cell lung cancer (NSCLC)显示文摘 | Feng H Zhang Z Qing X | 2016 | Exp Mol Pathol2016，100，1： | 1 |
| 17 | The TIL commissioning and performance显示文摘 | X Zhang W Zheng X Wei F Jing Z Sui K Zheng Q Xu X Yuan X Jiang L Yang P Ma M Li J Wang D Hu S He F Li Z Peng B Feng H Zhou L Guo X Li X Zhang J Su Q Zhu H Yu R Zhao C Ma H He D Fan W Zhang | 2008 | Journal of Physics: Conference Series2008，，3： | 1 |
| 18 | Probable limited person-to person transmission of highly pathogenic avian influenza A (H5N1) virus in China显示文摘 | Wang H Feng Z Shu Y | 2008 | Lancet2008，371，： | 1 |
| 19 | The coordinate regulation of the p53 and mTOR pathways in cells显示文摘 | Feng Z Zhang H Arnold J | 2005 | Proc Natl Acad Sci USA2005，102，： | 1 |
| 20 | Quantitation of agmatine by liquid chromatography with laser-induced fluorescence detection 显示文摘 | ZHAO S L FENG Y Z LEBLANC M H | 2002 | Anal Chim Acta2002，470，2： | 1 |
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