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| 1 | Effects of Semi-floating Ring Bearing Outer Clearance on the Subsynchronous Oscillation of Turbocharger Rotor显示文摘Semi-floating ring bearing(SFRB) is developed to control the vibration of turbocharger rotor. The outer clearance of SFRB affects the magnitude and frequency of nonlinear whirl motion, which is significant for the design of turbocharger. In order to explore the effects of outer clearance, a transient finite element analysis program for rotor and oil film bearing is built and validated by a published experimental case. The nonlinear dynamic behaviors of rotor-SFRB system are simulated. According to the simulation results,two representative subsynchronous oscillations excited by the two bearings respectively are discovered. As the outer clearance of SFRB increases from 24 μm to 60 μm, the low-frequency subsynchronous oscillation experiences three steps, including a strong start, a gradual recession and a combination with the other one. At the same time, the high-frequency subsynchronous oscillation starts to appear gradually, then strengthens, and finally combines. If gravity and unbalance are neglected, the combination will start starts from high rotor speed and extents to low rotor speed, just like a 'zipper'. It is found from the quantitative analysis that when the outer clearance increases, the vibration amplitude experiences large value firstly, then reduction, and suddenly increasing after combination. A useful design principle of SFRB outer clearance for minimum vibration amplitude is proposed: the outer clearance value should be chosen to keep the frequency of two subsynchronous oscillations clearly separated and their amplitudes close. | LIANG Feng ZHOU Ming XU Quanyong | 2016 | Chinese Journal of Mechanical Engineering2016,29,5: | 9 |
| 2 | Relationships between daily total fluoride intake and dental fluorosis and dental caries显示文摘Objective:To explore the relationships between the daily total intake of fluoride,dental fluorosis and dental caries. Methods: An epidemiological method was used to investigate the daily total intake of fluoride,dental fluorosis,and dental caries among 236 and 290 children aged 8-13 years in a severe endemic area and in a non-fluorosis control area,respectively. The children were divided into eight subgroups according to each child’s estimated daily total intake of fluoride. The prevalence of dental fluorosis and dental caries in each group was calculated. Results: As expected,elevated levels of fluoride intake were significantly associated with a higher prevalence of dental fluorosis and an increasing amount of more severe defect dental fluorosis. When the daily total F intake was 2.78 mg/child/day,the prevalence of dental fluorosis was nearly 100%,with the prevalence of defect dental fluorosis increasing with increasing fluoride intake. There was also a significant negative(inverse) dose-response relationship between the daily total intake of fluoride and the overall preva-lence of dental caries,the prevalence of which decreased when the daily total intake of fluoride increased up to 3.32 mg/child/day. However,at higher levels of daily total intake of fluoride the prevalence of dental caries increased,giving rise to a U-shaped dose-response relationship curve. Conclusion: It is important to monitor total fluoride exposure and protect children from excessive fluoride intake,especially during the years of tooth development. | Quanyong Xiang Minghao Zhou Ming Wu Xinya Zhou Li Lin Jiuning Huan Youxing Liang | 2009 | Journal of Nanjing Medical University2009,23,1: | 3 |
| 3 | A nonlinear programming for multi - objective fuzzy optimal design 显示文摘 | Li Quanyong Zhou Wei Zhu Ying | 1999 | Journal of Guilin Institute of Electronic Technolgy1999,,1: | 2 |
| 4 | Imprinting Analysis of the Porcine MEST Gene in 75 and 90 Day Placentas and Prenatal Tissues显示文摘印的基因在哺乳动物的生长起重要作用,开发 andbehavior.Mouse 中层特定的抄本(MEST ) 作为印的基因被识别了并且印射到鼠标染色体 6 的一个印的区域(MMU6 ) 。它起必要作用在里面胚胎、胎盘的生长,和它在成年雌老鼠为母亲的行为被要求。这里,我们孤立猪的 MEST 基因并且在 3'-untranslatedregion .The RsaI 多型性检测了单个核苷酸多型性被用来在出生前的猪的纸巾在不同的猪品种和印的地位调查等位基因频率。等位基因频率在本国的汉语之间是显著地不同的, Landrace 繁殖,除了大多数本国的 Yushan 猪(21/26 ) 在这个地点是异质接合的之外。结果显示 MEST 在天在胎盘被印 75 怀孕期和 90 胎儿的心,肌肉,肾,肺和肝。 | Chenchang XU Lijie SU Quanyong ZHOU Changchun LI Shuhong ZHAO | 2007 | Acta Biochimica et Biophysica Sinica2007,39,8: | 2 |
| 5 | Kine tics of europium transport through a liquid membrane containing HEH (EHP) in Kerosene显示文摘 | Ma Ming He Dingsheng Wang Quanyong | 2001 | Talanta2001,55,: | 1 |
| 6 | The role of radionuclide bone scintigraphy in fibrous dysplasia of bone显示文摘 | Zhibin Y Quanyong L Libo C | 2004 | Clin Nucl Med2004,29,3: | 1 |
| 7 | The role of radionuclide bone scintigraphy in fibrous dysplasia of bone 显示文摘 | Zhibin Y Quanyong L Libo C | 2004 | Clin Nucl Med2004,29,3: | 1 |
| 8 | Re- frigerant Capacity and Utilization Ratio in NaZn13-type La-Fe-Si Compounds 显示文摘 | Dong Quanyong Zhang Hongwu Chen Jianxin | 2013 | Journal of Magnetism and Mag- netic Material2013,331,: | 1 |
| 9 | Experimental study of separating Cr( Ⅵ ) using a mixed carrier emulsion membrane显示文摘 | DING Shaolan ZHAO Quanyong REN Huijun | 2005 | JSLTC2005,89,3: | 1 |
| 10 | Incremental Value of ^sup 131^I SPECT/CT in the Management of Patients with Differentiated Thyroid Carcinoma显示文摘 | Chen Libo Luo Quanyong Shen Yan Yu Yongli Yuan Zhibin Lu Hankui Zhu Ruisen | 2008 | The Journal of Nuclear Medicine2008,,: | 1 |
| 11 | Complex networks economy systems engineering in general synergetic structure显示文摘 | Quanyong Bai Doangxiao Niu Jia Bai | 2012 | Systems Engineering Proce- dia2012,,4: | 1 |
| 12 | The Economics Development in Complex Networks Economy Space显示文摘 | Bai Quanyong Niu Dongxiao and Micro-economic Research of Global Bai Jia | 2012 | Advanced Materials Research Vols2012,,347353: | 1 |
| 13 | Binding specificity of locust odorant binding protein and its key binding site for initial recognition of alcohols显示文摘 | JIANG QUANYONG WANG WEIXUAN ZHANG ZIDING | | Insect Biochemistry and Molecular Biology0,39,: | 1 |
| 14 | Synthesis, characterization and in vitro degradation study of a novel and rapidly degradable elastomer显示文摘 | Tao Ding Quanyong Liu Rui Shi Ming Tian Jian Yang Liqun Zhang | 2005 | Polymer Degradation and Stability2005,,4: | 1 |
| 15 | Synthesis, characterization and in vitro degradation study of a novel and rapidly degradable elasto- mer显示文摘 | Ding Tao Liu Quanyong | 2006 | Polymer Degradation and Stability2006,91,4: | 1 |
| 16 | Preparation and characterization of a biodegradable polyester elastomer with thermal processing abilities 显示文摘 | Liu Quanyong Tian Ming Ding Tao | 2005 | Journal of Applied Polymer Science2005,98,5: | 1 |
| 17 | Mechanism of delayed frost growth on superhydrophobic surfaces with jumping condensates:more than interdrop freezing显示文摘 | QUANYONG H YICHUAN P YING Z | 2014 | Langmuir2014,30,15: | 1 |
| 18 | Ageing of soft thermoplastic starch with high glycerol content 显示文摘 | SHI Rui LIU Quanyong HAN Yanming | 2007 | J Appl Polym Sci2007,103,1: | 1 |
| 19 | Characterization of citric acid/glycerol co-plasticized thermoplastic starch prepared by melt blending 显示文摘 | SHI Rui ZHANG Zizheng LIU Quanyong | 2007 | Carbohydr Polym2007,69,4: | 1 |
| 20 | A straw-soil co-composting and evaluation for plant substrate in BLSS显示文摘 | Quanyong Cheng Shuangsheng Guo Weidang Ai Yongkang Tang Lifeng Qin | 2012 | Advances in Space Research2012,,: | 1 |