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| 1 | The effects of sulfide stress cracking on the mechanical properties and intergranular cracking of P110 casing steel in sour environments显示文摘Variation and degradation of P-110 casing steel mechanical properties, due to sulfide stress cracking (SSC) in sour environments, was investigated using tensile and impact tests. These tests were carried out on specimens, which were pretreated under the following conditions for 168 hours temperature, 60 °C; pressure, 10 MPa; H2S partial pressure, 1 MPa and CO2 partial pressure, 1 MPa; preload stress, 80% of the yield strength (σs); medium, simulated formation water. The reduction in tensile and impact strengths for P-110 casing specimens in corrosive environments were 28% and 54%, respectively. The surface morphology analysis indicated that surface damage and uniform plastic deformation occurred as a result of strain aging. Impact toughness of the casing decreased significantly and intergranular cracking occurred when specimens were maintained at a high stress level of 85% σs . | Hou Duo Zeng Dezhi Shi Taihe Zhang Zhi Deng Wenliang | 2013 | Petroleum Science2013，10，3： | 4 |
| 2 | The Physiological Mechanism of Improved Formaldehyde Resistance in Petunia hybrida Harboring a Mammalian cyp2e1 Gene显示文摘Cytochrome P450 CYP2E1 is mainly present in hepatocytes in the livers of mammals,where it plays an important role in the metabolism of xenobiotic organic substances. Previous studies showed that transgenic petunia(Petunia hybrid) plants harboring a mammalian cyp2e1 gene(designated cyp2e1-transgenic petunia) exhibited increased resistance to formaldehyde stress. In this study,we used cyp2e1-transgenic petunia plants to analyze physiological indexes related to formaldehyde stress responses. The results indicated that under formaldehyde stress,the malondialdehyde content in cyp2e1-transgenic petunia plants was lower than in β-glucuronidase gene(gus)-transgenic and wild-type petunia plants. The activities of both superoxide dismutase and peroxidase in the cyp2e1-transgenic plants were higher than in gus-transgenic and wild-type plants. The alcohol dehydrogenase activity was slightly increased and more glutathione was consumed. Additionally,under formaldehyde stress,the levels of plant hormones including indole-3-acetic acid,zeatin and abscisic acid in cyp2e1-transgenic petunia plants displayed decreasing trends,whereas the level of gibberellic acid displayed an increasing trend. In contrast,the indole-3-acetic acid,zeatin and abscisic acid levels in gus-transgenic and wild-type petunia plants displayed increasing trends,whereas the gibberellic acid level displayed a decreasing trend. At 72 h after incubation of 0.5 g of cyp2e1-transgenic petunia plants in 40 mL of treatment solution containing formaldehyde at 50 mg·L^(-1),the formaldehyde content remaining in the treatment solution was close to zero while approximately half of original formaldehyde remained in the treatment solutions containing gus-transgenic and wild-type petunia plants. | WANG Man XIANG Taihe SONG Yaling HUANG Yingying HAN Yixuan SUN Yang | 2015 | Horticultural Plant Journal2015，1，1： | 2 |
| 3 | Theoretical and experimental study of the thermal strength of anticorrosive lined steel pipes显示文摘Bimetallic lined steel pipe(LSP) is a new anti-corrosion technology. It is widely used to transport oil, gas, water and corrosive liquid chemicals. At present, the hydroforming pressure for LSP has been investigated theoretically and experimentally by most researchers. However, there are a few reports on the thermal strength of bimetallic LSP. Actually, the bimetallic LSP will be subjected to remarkable thermal load in the process of three layer polyethylene(3PE) external coating. Reverse yielding failure may occur on the inner pipe of the bimetallic LSP when it suffers from remarkable thermal load and residual contact pressure simultaneously. The aim of this paper is to study the thermal load and strength of the bimetallic LSP. A mechanical model, which can estimate the thermal strength of the bimetallic LSP, was established based on the elastic theory and the manufacture of the bimetallic LSP. Based on the model, the correlation between the thermal strength of the bimetallic LSP and residual contact pressure and wall thickness of the inner pipe was obtained. Reverse yielding experiments were performed on the LSP(NT80SS-316L) under different thermal loads. Experiment results are consistent with calculated results from the theoretical model. The experimental and simulation results may provide powerful guidance for the bimetallic LSP production and use. | Zeng Dezhi Deng Kuanhai Lin Yuanhua Shi Taihe Shi Daiyan Zhou Lizhi | 2014 | Petroleum Science2014，11，3： | 2 |
| 4 | The role of genetic polymorphisms in periodontitis 显示文摘 | Yoshie H Kobayashit Taih | 2007 | J Periodontol2007，43，： | 1 |
| 5 | Effect of Plastic Deformation and H_2S on Dynamic Fracture Toughness of High Strength Casing Steel显示文摘The effects of plastic deformation and H2 S on fracture toughness of high strength casing steel(C110 steel) were investigated. The studied casing specimens are as follows: original casing, plastic deformation(PD) casing and PD casing after being immersed in NACE A solution saturated with H2S(PD+H2S). Instrumented impact method was employed to evaluate the impact behaviors of the specimens, meanwhile, dynamic fracture toughness(JId) was calculated by using Rice model and Schindler model. The experimental results show that dynamic fracture toughness of the casing decreases after plastic deformation. Compared with that of the original casing and PD casing, the dynamic fracture toughness decreases further when the PD casing immersed in H2 S, moreover, there are ridge-shaped feature and many secondary cracks present on the fracture surface of the specimens. Impact fracture mechanism of the casing is proposed as follows: the plastic deformation results in the increase of defect density of materials where the atomic hydrogen can accumulate in reversible or irreversible traps and even recombine to form molecular hydrogen, subsequently, the casing material toughness decreases greatly. | 曾德智 ZHANG Naiyan TIAN Gang HU Junying ZHANG Zhi SHI Taihe | 2015 | Journal of Wuhan University of Technology(Materials Science)2015，30，2： | 1 |
| 6 | 显示文摘 | Zongyao Rui Richard J. Goldfarb Yumin Qiu Taihe Zhou Renyi Chen Franco Pirajno Grace Yun | 2002 | Mineralium Deposita (-)2002，，3： | 1 |
| 7 | Velocity bunching for the linac of Shanghai Deep UV FEL facility显示文摘High brightness electron beam is one of the main goals of the research and development effort in RF photo-injectors.Compared with the normally used magnetic chicane,an alternative scheme,commonly known as 'velocity bunching',has been proposed as a tool to compress electron beam pulses in modern high brightness photo-injector sources.This paper presents numerical optimization systematically and the first attempt to demonstrate the velocity bunching scheme on SDUV-FEL linac experimentally.The relationship between the degree of bunching and the off-crest phase of the accelerating structure is explored experimentally.Velocity bunching operating mode illustrates flexible performances with an intrinsic machine jitter,which agrees well with the theoretical prediction. | ZHANG Meng GU Duan GU Qiang LIN Guoqiang LAN Taihe WANG Xingtao DENG Haixiao | 2012 | Nuclear Science and Techniques2012，23，3： | 1 |
| 8 | Equations calculate collapse pressures for casing strings显示文摘 | HAN Jianzeng SHI Taihe | 2001 | Oil and Gas Journal2001，99，4： | 1 |
| 9 | 显示文摘 | Yumin Qiu David I. Groves Neal J. McNaughton Liang-gen Wang Taihe Zhou | 2002 | Mineralium Deposita (-)2002，，3： | 1 |
| 10 | 显示文摘 | Yumin Qiu David I. Groves Neal J. McNaughton Liang-gen Wang Taihe Zhou | 2002 | Mineralium Deposita (-)2002，，3： | 1 |
| 11 | Experimental studies on corrosion of cement in CO 2 injection wells under supercritical conditions显示文摘 | Lin Yuanhua Zhu Dajiang Zeng Dezhi Yang Yuanguang Shi Taihe Deng Kuanhai Ren Chengqiang Zhang Deping Wang Feng | 2013 | Corrosion Science2013，，： | 1 |
| 12 | 显示文摘 | Zongyao Rui Richard J. Goldfarb Yumin Qiu Taihe Zhou Renyi Chen Franco Pirajno Grace Yun | 2002 | Mineralium Deposita (-)2002，，3： | 1 |
| 13 | Non-uniform Loading Affects Casing Collapse Resistance显示文摘 | Han Jianzeng Shi Taihe | 2001 | Oil & Gas Journal2001，7，11： | 1 |
| 14 | Non - uniform loading affects casing collapse resistance显示文摘 | HAN Jianzeng SHI Taihe | 2001 | Oil & Gas Journal2001，06，： | 1 |
| 15 | Equations calculate pressures for casing strings显示文摘 | HAN JIANZENG SHI TAIHE | 2001 | Oil & Gas Journal2001，，22： | 1 |
| 16 | Drinking deep-sea water restores mineral imbalance in atopic eczema/dermatitis syndrome显示文摘 | HATAGUCHIY TAIH NAKAJIMAH etal | 2005 | European Journal of Clinical Nutrition2005，59，： | 1 |
| 17 | Non-uniform loading affects easing collapse resistance 显示文摘 | HAN Jianzeng SHI Taihe | 2001 | Oil & Gas Journal2001，06，： | 1 |
| 18 | Parallel identifica-tion of O-GlcNAc-modified proteins from cell lysates 显示文摘 | TaiH C Khidekel N Ficarro S 6 | 2004 | JAm Chem Soc2004，126，10： | 1 |
| 19 | Research on Stress Corrosion Sensitivity of C110 Casing in Wellbore Protection Fluid显示文摘 | Dezhi Zeng Rui Chen Zhi Zhang Liyun Shao Guoping Li Gang Tian Taihe Shi | 2012 | Energy Procedia2012，，： | 1 |
| 20 | Non uniform loading affects casing collapse resistance显示文摘 | Han Jianzeng Shi Taihe | 2001 | Oil & Gas Journal2001，99，25： | 1 |
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