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| 1 | In situ reduction and functionalization of graphene oxide to improve the tribological behavior of a phenol formaldehyde composite coating显示文摘The development of a phenol formaldehyde/graphene(PF-graphene)composite coating with high performance is desirable but remains a challenge,because of the ultrahigh surface area and surface inertia of the graphene.Herein,we synthesized PF-graphene composites by the in situ polymerization of phenol and formaldehyde with the addition of graphene oxide,resulting in improved compatibility between the graphene and phenolic resin(PF)matrix and endowing the phenolic resin with good thermal stability and excellent tribological properties.Fourier-transform infrared(FTIR)spectra and X-ray diffraction(XRD)patterns demonstrated that the graphene oxide was reduced during the in-situ polymerization.The PF-graphene composites were sprayed onto steel blocks to form composite coatings.The effects of an applied load and of the sliding speed on the tribological properties of the PF-graphene composite coating were evaluated using a block-on-ring wear tester;in addition,the worn surface and the transfer film formed on the surface of the counterpart ring were studied by scanning electron microscopy(SEM).The results show that the PF-graphene composite coating exhibited enhanced tribological properties under all tested conditions. | Mingming YANG Zhaozhu ZHANG Xiaotao ZHU Xuehu MEN Guina REN | 2015 | Friction2015,3,1: | 6 |
| 2 | TCT联合HC2-HPV检测在宫颈癌及癌前病变诊断中的应用价值显示文摘目的探讨TCT联合HC2-HPV检测在宫颈癌及癌前病变诊断中的应用价值。方法选取2014年3月—2016年4月收治的妇科疾病患者380例,患者均采取病理学检测、HC2-HPV筛查、TCT检查。以阴道镜下活检病理结果为金标准,比较HC2-HPV、TCT、TCT+HC2-HPV三种筛查方法的灵敏度、特异度、准确度、阳性预测值、阴性预测值等。结果 TCT检测中LSIL、HSIL、SCC与病理活检结果的符合率分别为53.8%、83.9%、100.0%;不同的病理诊断结果中,HC2检测阳性率存在差异,HC2-HPV的阳性率随宫颈病变级别升高而增高(P<0.05);TCT检测结果≤ASCUS的HPV-DNA阳性率低于LSIL、HSIL、SCC,且HC2-HPV检测阳性率随TCT检查诊断级别升高而增高(均P<0.05)。TCT+HC2-HPV联合检测的灵敏度、特异度、准确度、阳性预测值、阴性预测值均高于HC2-HPV单独检测及TCT单独检测。结论TCT+HC2-HPV应用于宫颈癌的筛查诊断价值明显优于单独应用,是筛查诊断宫颈癌及癌前病变的最佳检测方案。 | 张海燕 LIANG Guina | 2018 | 社区医学杂志2018,16,9: | 5 |
| 3 | Preparation of superhydrophobic CdS cotton using visible light response and its application for the control of water pollution显示文摘Sewage discharge produced by homes and industries contains both oil and water-soluble components. In order to remove oil from water, materials with specific wettability can be used;however, these materials cannot remove dissolved contaminants from water. In this research, we prepared a superhydrophobic Cd S cotton for water purification. This material has the ability to adsorb different types of oil due to its non-wettability(WCA = 152°). Moreover, its response behavior towards visible light enables it to remove water-soluble pollutants as well. The highest oil absorption rate of superhydrophobic Cd S cotton is nearly 30 times, and it can absorb light below 564 nm and produce ·OH to degrade water soluble pollutants. Finally, based on Mott-Schottky curve,the position of Fermi energy level was determined(–0.55 e V). Also, the positions of valence and conduction bands were calculated based on the analysis of band gap which helps in proving photoelectric response characteristics. | GE Bo REN GuiNa ZHAO PengFei JIN ChuanYu LI WenZhi ZHANG ZhaoZhu | 2019 | Science China(Technological Sciences)2019,62,12: | 5 |
| 4 | Fabrication of BiOBr-silicone aerogel photocatalyst in an aqueous system with degradation performance by sol-gel method显示文摘It is a challenge to endow the material with the ability to pollutants degradation while maintaining the oil/water separation performance. Herein, the mixed dispersion of BiOBr photocatalyst and silicone sol was adsorbed in melamine foam. Superhydrophobic BiOBr-silicone aerogel(WCA=154°) was obtained through the transfer melamine foam to an autoclave and reaction at 80℃ for 20 h. The prepared superhydrophobic BiOBr-silicone aerogel can effectively remove the water soluble pollutants which remain within the water phase after oil/water separation. The band gap of the superhydrophobic BiOBr-silicone aerogel was calculated to be 2.71 eV, which shows sensitivity to visible light(458 nm). Through mechanism analysis, it is found that the VB position of BiOBr is at 1.07 eV and the position of CB is at-1.64 eV. Finally, we prepared a superhydrophobic BiOBr-silicone aerogel(5 cm×5 cm×3 cm) for the verification of the large scale preparation. | GE Bo REN GuiNa YANG Hang YANG JingJing PU XiPeng LI WenZhi JIN ChuanYu ZHANG ZhaoZhu | 2020 | Science China(Technological Sciences)2020,63,5: | 4 |
| 5 | Sliding wear behaviors of Nomex fabric/phenolic composite under dry and water-bathed sliding conditions显示文摘A Nomex fabric/phenolic composite was prepared,and its tribological properties were evaluated under dry and water‐bathed sliding conditions by a pin‐on‐disk tribometer.The resulting size of the friction coefficient for the Nomex fabric/phenolic composite in the study occurred in the following order:dry sliding condition>distilled water‐bathed sliding condition>sea water‐bathed sliding condition.The fabric composite’s wear rate from high to low was as follows:distilled water‐bathed sliding condition>sea water‐bathed sliding condition>dry sliding condition.Under water‐bathed sliding conditions,penetration of water into the cracks accelerated the composite’s invalidation process,resulting in a higher wear rate.We also found that the extent of corrosion and transfer film formed on the counterpart pin significantly influenced the wear rate of the Nomex fabric composite.Discussion of the Nomex fabric composite’s wear mechanisms under the sliding conditions investigated is provided on the basis of the characterization results. | Guina REN Zhaozhu ZHANG Xiaotao ZHU Xuehu MEN Wei JIANG Weimin LIU | 2014 | Friction2014,2,3: | 3 |
| 6 | Fiber Bragg Grating Sensor Network Optimization显示文摘这研究介绍纤维布拉格栅栏 FBG 网络和负担鉴定的优化。关于 FBG 网络和静态的负担鉴定的最佳的放置和可靠性的当前的研究通常被分析。然后,传感器的最佳的放置和 FBG 网络的可靠性被学习。通过结构的反应特征的分析,在监视的结构的静态的反应参数的传感器放置的一般规则被建议。概率计算被介绍,并且几简单拓扑学的 FBG 传感器网络可靠性的数字分析被给。 | Guina WANG Jie ZENG Hao MU Dakai LIANG | 2015 | Photonic Sensors2015,5,2: | 2 |
| 7 | In vitro antiplasmodial activity and cytotoxicity of 33 West African plants used for treatment of malaria显示文摘 | Guédé No?l Zirihi Lengo Mambu Frédéric Guédé-Guina Bernard Bodo Philippe Grellier | 2005 | Journal of Ethnopharmacology2005,,3: | 2 |
| 8 | Sensorimotor stimulation of comatose patients显示文摘 | Cosic T Kracun L | 1997 | Acta Med Croatica1997,51,2: | 1 |
| 9 | Stretched-pulse fiber lasers based on semiconductor saturable absorbers显示文摘 | M Guina N Xiang O G Okhotnikov | 2002 | Appl Phys B2002,74,1: | 1 |
| 10 | Mechanical complications in chronic peritoneal dialysis 显示文摘 | Plaza MM Guina L Goyanes GR | 1999 | Clin Nephrol1999,52,2: | 1 |
| 11 | A PhoP- regulated outer membrane protease of Salmonella enterica serovar typhimurium promotes resistance to alpha-helical antimicrobial peptides 显示文摘 | Guina T Yi EC Wang H Hackett M Miller SI | 2000 | J Bacteriol2000,182,14: | 1 |
| 12 | A Novel Superhydrophobic Bulk Material 显示文摘 | Xiaotao Zhu Zhaozhu Zhang Guina Ren | 2012 | J Mater Chem2012,22,20: | 1 |
| 13 | Quantitative proteomic analysis indicates increased synthesis of a quinolone by pseudomonas aeruginosa isolates from cystic fibrosis airways显示文摘 | Guina T Purvine S O Yi E C | 2003 | Proc Natl Acad Sci USA2003,100,5: | 1 |
| 14 | Transfer of palmitate from phospholipids to lipid A in outer membranes of gram-negative bacteria显示文摘 | Bishop RE Gibbons HS Guina T Trent MS Miller SI Raetz CRH | | 0,,: | 1 |
| 15 | Transfer of palmitate from phospholipids to lipid A in outer membranes of gram-negative bacteria显示文摘 | Bishop RE Gibbons HS Guina T | 2000 | Embo J2000,19,19: | 1 |
| 16 | Transfer of palmitate from phospholipids to lipid A in outer membranes of Gram-negative bacteria显示文摘 | Bishop RE Gibbons HS Guina T | 2000 | EMBO J2000,19,19: | 1 |
| 17 | Salmonella typhimurium outer membrane remodeling: role in resistance to host innate immunity 显示文摘 | Ernst R K Guina T Miller S I | 2001 | Microbes Infect2001,3,14: | 1 |
| 18 | Spectral narrowing and locking of a vertical-external-cavity surface-emitting laser using an intracavity volume Bragg grating显示文摘 | Giet S Sun H D Calvez S Dawson M D Suomalainen S Harkonen A Guina M Okhotnikov O Pesa M | | 0,,16: | 1 |
| 19 | High-temperature tribological performance of hybrid PTFE/Nomex fabric/phenolic composite显示文摘 | Ren Guina Zhang Zhaozhu Zhu Xiaotao | 2014 | Composites Science and Technology2014,104,: | 1 |
| 20 | PhoPQ-mediated regulation produces a more robust permeability barrier in the outer membrane of Salmonella enterica serovar typhimurium显示文摘 | Murata T Tseng W Guina T | 2007 | J Bacteriol2007,189,20: | 1 |