检索结果-南通市图书馆

Nano Research 2021年第12期14卷 4789-4794页

作者： Leigang Li Shikhar Misra Xingyao Gao Juncheng Liu Han Wang Jijie Huang bruce zhang Ping Lu Haiyan Wang School of Materials Engineering Purdue UniversityWest LafayetteIndiana47907USA School of Electrical and Computer Engineering Purdue UniversityWest LafayetteIndiana47907USA Sandia National Laboratory AlbuquerqueNew Mexico87185USA

A new vertically aligned nanocomposite(VAN)structure based on two-dimensional(2D)layered oxides has been designed and self-assembled on both LaAlO_(3)(001)and SrTiO3(001)*** new VAN structure consists of epitaxially grown Co_(3)O_(4) nanopillars embedded in the Bi_(2)WO_(6) matrix with a unique 2D layered structure,as evidenced by the microstructural *** property measurements show that the new Bi_(2)WO_(6)-Co_(3)O_(4) VAN structure exhibits strong ferromagnetic and piezoelectric response at room temperature as well as anisotropic permittivity *** work demonstrates a new approach in processing multifunctional VANs structure based on the layered oxide systems towards future nonlinear optics,ferromagnets,and multiferroics.

关键词： vertically aligned nanocomposite(VAN) multiferroics Aurivillius oxides layered oxides Co_(3)O_(4) Bi_(2)WO_(6)

Cross-industry Achieves“Breaking Circle”

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

China's Foreign Trade 2023年第3期 58-61页

作者： bruce zhang 不详

Nowadays,cross-industry co-branding in marketing campaigns has become *** a marketing tool,cross-industry co-branding provides an effective way for brands to achieve marketing goals,such as boosting new product market... 详细信息

关键词： deepening starting boost

维普期刊数据库博看期刊

Emerging roles of spliceosome in cancer and immunity

在线全文

学校读者我要写书评

暂无评论

Protein & Cell 2022年第8期13卷 559-579页

作者： Hui Yang bruce Beutler Duanwu zhang Department of Neurosurgery Huashan HospitalShanghai Key laboratory of Brain Function Restoration and Neural RegenerationMOE Frontiers Center for Brain ScienceInstitute for Translational Brain ResearchShanghai Medical CollegeFudan UniversityShanghai 200032China Center for the Genetics of Host Defense University of Texas Southwestern Medical CenterDallasTX 75390USA Children's Hospital of Fudan University and Shanghai Key Laboratory of Medical EpigeneticsInternational Co-laboratory of Medical Epigenetics and MetabolismMinistry of Science and TechnologyInstitutes of Biomedical SciencesFudan UniversityShanghai 200032China

Precursor messenger RNA(pre-mRNA)splicing is cat-alyzed by an intricate ribonucleoprotein complex called the *** the spliceosome is consid-ered to be general cell"housekeeping"machinery,mutations in core components of the spliceosome fre-quently correlate with cell-or tissue-specific pheno-types and *** this review,we expound the links between spliceosome mutations,aberrant splicing,and human ***,spliceosome-targeted therapios(STTs)have become efficient anti-cancer strategies for cancer patients with splicing *** also highlight the links between spliceosome and immune *** studies have shown that some spliceosome gene mutations can result in immune dysregulation and notable phenotypes due to mis-splicing of immune-related ***,several core spliceosome components harbor splicing-inde-pendent immune functions within the cell,expanding the functional repertoire of these diverse proteins.

关键词： spliceosome splicing cancer innate immunity immune dysregulation

Your personal choices in transportation and food are important for lowering carbon emissions

在线全文

学校读者我要写书评

暂无评论

Frontiers of Environmental Science & Engineering 2024年第6期18卷 27-32页

作者： bruce Logan Fang zhang Wulin Yang Le Shi Institute of Energy and the Environment The Pennsylvania State UniversityUniversity ParkPA 16802USA School of Environment Tsinghua UniversityBeijing 100084China College of Environmental Sciences and Engineering Peking UniversityBeijing 100871China College of Environmental and Resource Sciences Zhejiang UniversityHangzhou 310058China

There is a global need to reduce greenhouse gas emissions to limit the extent of climate change.A better understanding of how our own activities and lifestyle influence our energy use and carbon emissions can help us enable changes in activities that can lead to reductions in carbon *** we discuss an approach based on examining carbon emissions from the perspective of the unit C,where 1 C is the CO_(2)from food a person would on average eat every *** approach shows that total CO_(2)emissions in China,normalized by the population,is 22.5 C while carbon emissions for a person in the US is 43.9 C.A better appreciation of our own energy use can be obtained by calculating carbon emissions from our own activities in units of C,for example for driving a car gasoline or electric vehicle a certain number of kilometers,using electricity for our homes,and eating different *** this information,we can see how our carbon emissions compare to national averages in different countries and make decisions that could lower our personal CO_(2)emissions.

关键词： Carbon dioxide Climate change Daily energy Greenhouse gas

A semi-quantitative coal burst risk classification system

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Mining Science and Technology 2018年第5期28卷 721-727页

作者： Onur Vardar Chengguo zhang Ismet Canbulat bruce Hebblewhite School of Minerals and Energy Resources Engineering University of New South Wales

Safety is the highest priority in the mining industry as underground mining in particular poses high safety risks to its workers. In underground coal mines, coal bursts are one of the most catastrophic hazards, which involves sudden and violent dynamic coal mass failure with rapid ejection of the broken material into the mine workings. Despite decades of research, the contributing mechanisms of coal bursts are still not completely understood. Hence, it remains challenging to forecast coal bursts and quantify their likelihood of occurrence. However, a range of geological and geotechnical factors are associated with coal bursts and can increase the coal burst proneness. This paper introduces a semi-quantitative coal burst risk classification system, namely, BurstRisk. Based on back-analysis of case histories from Australia, China and the United States, BurstRisk classifies the coal burst risk into three categories:low, medium and high risk. In addition, it allows mining engineers to modify the weighting of the selected factors based on specific conditions. The risk classification charts introduced are for both longwall retreat and development sections of long-wall mining operations. This paper also provides a set of risk management strategies and control measures for effective coal burst mitigation.

关键词： Underground coal mining Coal burst Rockburst Risk management Safety Semi-quantitative

Assessment of energy release mechanisms contributing to coal burst

在线全文

学校读者我要写书评

暂无评论

International Journal of Mining Science and Technology 2017年第1期27卷 43-47页

作者： zhang Chengguo Canbulat Ismet Tahmasebinia Faham Hebblewhite bruce School of Mining Engineering UNSW Sydney 2052Australia

Coal burst is a dynamic release of energy within the rock （or coal） mass leading to high velocity expulsion of the broken/failed material into mine openings. This phenomenon has been recognised as one of the most catastrophic failures associated with the coal mining industry, which can often lead to injuries and fatalities of miners as well as significant production losses. This paper aims to examine the mecha- nisms contributing to coal burst occurrence, with an emphasis on the energy release concept. In this study, a numerical modelling study has been conducted to evaluate the roles and contributions of differ- ence energy components. The energy analysis presented in this paper can help to improve the under- standing of energy release mechanisms esoeciallv under Australian conditions.

关键词： Coal burstCoal burst mechanismsEnergy releaseNumerical modellingMine geomechanics

Numerical modelling of strength and energy release characteristics of pillar-scale coal mass

在线全文

学校读者我要写书评

暂无评论

Journal of Rock Mechanics and Geotechnical Engineering 2019年第5期11卷 935-943页

作者： Onur Vardar Chengguo zhang Ismet Canbulat bruce Hebblewhite School of Minerals and Energy Resources Engineering.University of New South Wales

Coal burst is a manifestation of rapid energy release,which is considered as one of the most critical operational hazards in underground coal *** study numerically investigates the effects of discontinuities on the strength and energy release characteristics of coal mass samples under uniaxial *** universal distinct element code(UDEC)was used to model pillar-scale coal mass samples that were represented by an assembly of triangular deformable blocks,and pre-existing discontinuities such as bedding planes and cleats were also included in the *** shows that cleat spacing can have a significant impact on compressive strength and energy release,with both strength and energy release(magnitude and rate)reducing as the number of cleats was *** work is one of the first attempts to numerically model and quantify the energy release which occurs during the failure of pillar-scale coal mass samples with varying cleat *** insights from the numerical modelling can help to understand the possible energy release mechanisms and associated coal burst potential in changing coal cleat conditions.

关键词： Coal burst Coal clearing Energy release Distinct element method(DEM) Numerical modelling

Batteries for wearables

在线全文

学校读者我要写书评

暂无评论

National Science Review 2023年第1期10卷 9-11页

作者： Lie Wang Ye zhang Peter G.bruce National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional Materials Chemistry and Biomedicine Innovation Center (Chem BIC) Collaborative Innovation Center of Advanced Microstructures College of Engineering and Applied Sciences Nanjing University Departments of Materials and Chemistry University of Oxford

Batteries that convert the stored chemical energy directly into electricity have been known for hundreds of *** the lithium-ion battery as representative because of its high energy-conversion efficiency and long cycle *** is widely used as a power accessory for electronic devices and has become an important part of modern electronics.

关键词：

Comparison of sequential with intimate coupling o photolysis and biodegradation for benzotriazole

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Frontiers of Environmental Science & Engineering 2017年第6期11卷 69-77页

作者： Shunan Shan Yuting zhang Yining zhang Lanjun Hui Wen Shi Yongming zhang bruce E. Rittmann College of Life and Environmental Science Shanghai Normal University Shanghai 200234 China Biodesign Swette Center for Environmental Biotechnology Arizona State University Tempe AZ 85287-5701 USA

Benzotriazole （BTA） is an emerging contaminant that also is a recalcitrant compound. Sequential and intimate coupling of UV-photolysis with biodegradation were investigated for their impacts on BTA removal and mineralization in aerobic batch experiments. Special attention was given to the role of its main photolytic products, which were aminophenol （AP）, formic acid （FA）, maleic acid （MA）, and phenazine （PHZ）. Experiments with sequential coupling showed that BTA biodegradation was accelerated by photolytic pretreatment up to 9 min, but BTA biodegradation was slowed with longer photolysis. FA and MA accelerated BTA biodegradation by being labile electron-donor substrates, but AP and PHZ slowed the rate because of inhibition due to their competition for intracellular electron donor. Because more AP and PHZ accumulated with increasing photolysis time, their inhibitory effects began to dominate with longer photolysis time. Intimately coupling photolysis with biodegradation relieved the inhibition effect, because AP and PHZ were quickly biodegraded and did not accumulate, which accentuated the beneficial effect of FA and MA.

关键词： Benzotriazole Photolysis Biodegradation Inhibition Electron donor

Nicotine-induced upregulation of antioxidant protein Prx 1 in oral squamous cell carcinoma

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Science Bulletin 2013年第16期58卷 1912-1918页

作者： ZHAO YanHua zhang Min YAN Fei CASTO bruce C TANG XiaoFei Division of Oral Pathology Beijing Institute of Dental Research School of Stomatology Capital Medical University Division of Medical Oncology Department of Internal Medicine Ohio State University College of Medicine and Comprehensive Cancer Center Division of Environmental Health Sciences Ohio State University College of Public Health

Nicotine is a source of exogenous oxidative stress, which is associated with the pathogenesis of numerous diseases including oral squamous cell carcinoma (OSCC), whereas an antioxidant protein, peroxiredoxin 1 (Prx 1), plays an important role in the modulation of this condition. This study was to investigate the association between Prx 1 and tobacco-induced oxidative stress. The expression of Prx 1 and GST in OSCC Tca8113 cells, which were pre-treated with nicotine, was determined. In the present study, MTT assay, reactive oxygen species (ROS) assay, RT-PCR and Western blot analyses, respectively, were conducted to assess cell viability, ROS level, and expression level of Prx 1 and GST in nicotine-treated Tca8113 cells. Nuclear factor kappa B (NF- B) expression was detected by immuno-fluorescence. Our results showed the growth of Tca8113 cells was increased in a dose-dependent manner when cells were treated with nicotine at concentrations from 0.1 to 10 mol/L, but the proliferation of the cells decreased at 100 mol/L. ROS levels increased in all groups treated with nicotine at concentrations of 0.1, 1, 10, or 100 mol/L for 24h. Prx 1 and GST mRNA and protein expression were up-regulated in cells treated with nicotine for the same time at different concentrations or at the same concentration for different times (P<0.05). NF-B was translocated from cytoplasm to nucleus, the expression of NF- B was increased in nucleus. These results suggest that up-regulation of Prx1 expression appears to be associated with tobacco-induced oxidative stress, which may play an important role in the pathogenesis of OSCC.

关键词：鳞状细胞癌蛋白表达抗氧化剂尼古丁口腔诱导氧化应激 RT-PCR