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| 1 | 残余应力导致三层聚烯烃管道防腐层剥离与开裂显示文摘这是美国运输部发起的研究项目,一个管道防腐层专家团队参与了本研究项目,评价了三层聚烯烃管道外防腐涂层(3LPO)的完整性。研究表明,三层聚烯烃管道外防腐涂层(3LPO)存在剥离和面层开裂两大完整性问题。过去几年里,据文献报道,三层聚烯烃管道外防腐涂层(3LPO)的熔结环氧粉末(FBE)底漆与钢管界面上发生多起防腐层剥离事故,以及聚丙烯(PP)面层发生开裂事故。这些防腐层事故引起人们对使用三层聚烯烃管道外防腐涂层(3LPO)的关注。一般来讲,三层聚烯烃管道外防腐涂层(3LPO)采用比较厚的聚烯烃面层增强防腐层抗机械损伤和防止水渗透的能力。但是,聚烯烃的热膨胀系数比钢材高得多,结果在防腐层系统里产生比较高的残余热应力。因为残余应力高,造成防腐层剥离,尤其在管端截短防腐层和任何防腐层的边上,因为这些是高应力集中部位。特别是假如钢管表面预处理不当,就无法保证防腐层持久达到很强的粘合强度。如果熔结环氧粉末(FBE)底漆配方选择不当,发生热氧化降解,也导致防腐层过早失效。如果使用温度很高,聚丙烯也会因为热氧化降解而变脆。在残余应力下,这样脆性的聚丙烯面层就会开裂。本文分析了三层聚烯烃管道外防腐涂层(3LPO)中的残余应力,并且探讨了残余应力对三层聚烯烃管道外防腐涂层(3LPO)剥离和聚丙烯(PP)面层开裂机理的影响。 | B.T.A.Cheng S Hung-jue J Han D Wong A Kehr M Mallozzi F Aguirre H Pham W Snider 王向农(译) | 2011 | 防腐保温技术2011，19，3： | 3 |
| 2 | ^(99m)TC-Methylene diphosphonate uptake at injury site correlates with osteoblast differentiation and mineralization during bone healing in mice显示文摘99m Tc-Methylene diphosphonate(99m Tc-MDP) is widely used in clinical settings to detect bone abnormalities.However, the mechanism of99 m Tc-MDP uptake in bone is not well elucidated. In this study, we utilized a mouse tibia injury model, single-photon emission computed tomography(gamma scintigraphy or SPECT),ex vivo micro-computed tomography, and histology to monitor99 m Tc-MDP uptake in injury sites during skeletal healing. In an ex vivo culture system, calvarial cells were differentiated into osteoblasts with osteogenic medium, pulsed with99 m Tc-MDP at different time points, and quantitated for99 m Tc-MDP uptake with a gamma counter. We demonstrated that99 m Tc-MDP uptake in the injury sites corresponded to osteoblast generation in those sites throughout the healing process. The99 m Tc-MDP uptake within the injury sites peaked on day 7 post-injury, while the injury sites were occupied by mature osteoblasts also starting from day 7.99 m Tc-MDP uptake started to decrease 14 days post-surgery, when we observed the highest level of bony tissue in the injury sites. We also found that99 m Tc-MDP uptake was associated with osteoblast maturation and mineralization in vitro. This study provides direct and biological evidence for99 m Tc-MDP uptake in osteoblasts during bone healing in vivo and in vitro. | Zhendong A Zhong Anderson Peck Shihong Li Jeff Van Oss John Snider Casey J Droscha Tingtung A Chang Bart O Williams | 2015 | Bone Research2015，3，2： | 2 |
| 3 | Transgenic expression of granulocyte-macrophage colonystimulating factor induces the differentiation and activation of a novel dendritic cell population in the lung显示文摘 | Wang J Snider DP Hewlett BR | 2000 | Blood2000，95，7： | 1 |
| 4 | Transplantation of embryonic stem cells overexpressing Bcl-2 promotes functional recovery after transient cerebral ischemia显示文摘 | Wei L Cui L Snider B J | 2005 | Neurobiol Dis2005，19，： | 1 |
| 5 | Mechanisms of reproductive thermotolerance in Gossypium hirsutum: the effect of genotype and exogenous calcium application 显示文摘 | Snider J L Oosterhuis D M Kawakami E M | 2011 | J Agronomy Crop Science2011，19，： | 1 |
| 6 | The effects of three tillage practices on Collembola and Acarina populations 显示文摘 | Loring S J Snider R J Robertson L S | 1981 | Pedobiologia1981，22，3： | 1 |
| 7 | Origin of cardiac fibroblasts and the role of periostin显示文摘 | Snider P Standley KN Wang J | 2009 | Circ Res2009，105，10： | 1 |
| 8 | Liquid water distribution obtained from coplanar scanning radiometers显示文摘 | Warner J Drake J F and Snider J B | 1986 | Journal of Atmospheric and Oceanic Technology1986，3，： | 1 |
| 9 | Contrast extravasation on CT angiography predicts hematoma expansion in intracerebral hemorrhage显示文摘 | Goldstein J N Fazen L E Snider R | 2007 | Neurology2007，68，12： | 1 |
| 10 | Predictors of mammography use in Canadian women aged 50-69 from the 1996 - 1997 National Population Health Survey显示文摘 | Maxwell CJ Banjei CJ Snider J | 2001 | Can Med Assoc J2001，164，3： | 1 |
| 11 | Transgenic expression ogranulocyte-macrophage colony-stimulating factor induces the differentiation and activation of a novel dendritic cell population in the lung显示文摘 | WANG J SNIDER D P HEWLETT B R | 2000 | Blood2000，95，7： | 1 |
| 12 | Monoclonal antibodies and synthetic peptides define the active site of FcεRⅠ and a potential receptor antagonist显示文摘 | Rigby LJ Trist H Snider J | 2000 | Allergy2000，55，7： | 1 |
| 13 | Epidermal growth factor increases lysophosphatidic acid production in human ovarian cancer cells : roles for phospholipase D2 and receptor transactivation显示文摘 | Snider A J Zhang Z Xie Y | 2010 | Am J Physiol Cell Physiol2010，298，1： | 1 |
| 14 | Brain-derived neurotrophic factor rescures spinal motor neurons from axotomyinduced cell death 显示文摘 | YAN Q ELLIOTT J SNIDER W D | 1992 | Nature1992，360，6406： | 1 |
| 15 | The definition of emphysema:report of a national heart,lung and bklood institute,division of lung diseases workshop显示文摘 | Snider GL Kleineman J Thurlbeek WM | 1985 | Am Rev Respir Dis1985，132，1： | 1 |
| 16 | Contrast extravasation on CT angiography predicts hematoma expansion in intracerebral hemorrhage显示文摘 | Goldstein J N Fazen L E Snider R | | 0，，： | 1 |
| 17 | A hybrid digital-analog long pulse integrator显示文摘 | STRAIT E J BROESCH J D SNIDER R T | 1997 | Review of Scientific Instruments1997，68，1： | 1 |
| 18 | Brain-derived neurotrophic factor rescues spinal motor neurons from axotomy-induced cell death显示文摘 | Yan Q Elliott J Snider W D | 1992 | Nature1992，360，： | 1 |
| 19 | Lack of closure between dry and wet aerosol measurements: Results from ACE -2 显示文摘 | Snider J R Guibert S Brenguier J L | 2000 | AlP Conference Proceedings2000，534，1： | 1 |
| 20 | Interleukin-2 suppression by 2-arachidonyl glycerol is mediated through peroxisome proliferator-activated receptor gamma independ- ently of cannabinoid receptors 1 and 2显示文摘 | Rockwell C E Snider N T Thompson J T | 2006 | Mol Pharmacol2006，70，10： | 1 |
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