Multimodal biometric authentication is a robust security mechanism designed to enhance user authentication systems' reliability and security. It includes two or more biometric traits to design a more reliable and ...
详细信息
Picking up the Seismic first-arrival wave has always been a basic and important thing in seismic data processing. However, in the case of large amount of data and low signal-to-noise ratio, picking the first-arrival w...
详细信息
The ultra-deep(deeper than 8000 m)petroleum in the platform-basin zones of the Tarim Basin has been found mainly in the Lower Paleozoic reservoirs located to the east of the strike-slip fault F5 in the north ***,the s...
详细信息
The ultra-deep(deeper than 8000 m)petroleum in the platform-basin zones of the Tarim Basin has been found mainly in the Lower Paleozoic reservoirs located to the east of the strike-slip fault F5 in the north ***,the source and exploration potential of the ultra-deep petroleum in the Cambrian on the west of F5 are still *** the analysis of lithofacies and biomarkers,it is revealed that there are at least three kinds of isochronous source rocks(SRs)in the Cambrian Newfoundland Series in Tarim Basin,which were deposited in three sedimentary environments,*** slope,deep-water shelf and restricted *** 2024,Well XT-1 in the western part of northern Tarim Basin has yielded a high production of condensate from the *** the produced oil,entire aryl-isoprenoid alkane biomarkers were detected,but triaromatic dinosterane was *** finding is well consistent with the geochemical characteristics of the Newfoundland sulfidized slope SRs represented by those in wells LT-1 and QT-1,suggesting that the Newfoundland SRs are the main source of the Cambrian petroleum discovered in Well *** crude oil of Well XT-1 also presents the predominance of C29 steranes and is rich in long-chain tricyclic terpanes(up to C39),which can be the indicators for effectively distinguishing lithofacies such as siliceous mudstone and carbonate *** with the analysis of hydrocarbon accumulation in respect of conduction systems including thrust fault and strike-slip fault,it is found that the area to the west of F5 is possible to receive effective supply of hydrocarbons from the Cambrian Newfoundland SRs in Manxi hydrocarbon-generation *** finding suggests that the area to the west of F5 will be a new target of exploration in the Cambrian ultra-deep structural-lithologic reservoirs in the Tarim Basin,in addition to the Cambrian ultra-deep platform-margin facies-controlled reservoirs in the eastern part of the basin.
Low-resource languages like Bangla are severely limited by the lack of datasets. Romanized Bangla texts are ubiquitous on the internet, offering a rich source of data for Bangla NLP tasks and extending the available d...
详细信息
作者:
Jin TangMingxuan FengDong WangLiang ZhangKe YangPediatric Research Institute
Children’s Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing Engineering Research Center of Stem Cell TherapyChongqing 400014China Department of Ultrasound
The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Tongji Medical College
Huazhong University of Science and TechnologyWuhanHubei 430074China
Recent advancements in biomedical research have underscored the importance of noninvasive cellular manipulation ***,a method that uses genetic engineering to produce ultrasound-sensitive proteins in target cells,is ga...
详细信息
Recent advancements in biomedical research have underscored the importance of noninvasive cellular manipulation ***,a method that uses genetic engineering to produce ultrasound-sensitive proteins in target cells,is gaining prominence along with optogenetics,electrogenetics,and *** stimulation with ultrasound,these proteins trigger a cascade of cellular activities and *** traditional ultrasound modalities,sonogenetics offers enhanced spatial selectivity,improving precision and safety in disease *** technology broadens the scope of non-surgical interventions across a wide range of clinical research and therapeutic applications,including neuromodulation,oncologic treatments,stem cell therapy,and *** current literature predominantly emphasizes ultrasonic neuromodulation,this review offers a comprehensive exploration of *** discuss ultrasound properties,the specific ultrasound-sensitive proteins employed in sonogenetics,and the technique’s potential in managing conditions such as neurological disorders,cancer,and ophthalmic diseases,and in stem cell *** objective is to stimulate fresh perspectives for further research in this promising field.
In the realm of proton exchange membrane fuel cells(PEMFCs),the bipolar plates(BPs)are indispensable and serve pivotal roles in distributing reactant gases,collecting current,facilitating product water removal,and coo...
详细信息
In the realm of proton exchange membrane fuel cells(PEMFCs),the bipolar plates(BPs)are indispensable and serve pivotal roles in distributing reactant gases,collecting current,facilitating product water removal,and cooling the *** BPs,characterized by outstanding manufacturability,cost-effectiveness,higher power density,and mechanical strength,are emerging as viable alternatives to traditional graphite *** foremost challenge for metal BPs lies in enhancing their corrosion resistance and conductivity under acidic conditions,necessitating the application of various coatings on their surfaces to ensure superior *** review summarizes and compares recent advancements in the research of eight distinct types of coatings for BPs in PEMFCs,including noble metal,carbide,ni-tride,and amorphous carbon(a-C)/metal compound composite *** various challenges encountered in the manufacturing and fu-ture application of these coatings are also delineated.
Increasing urbanization and rapid resource depletion have forced authorities to shift from the traditional linear system of take-use disposal to a circular system of agricultural pratices. Circular Economy (CE) is a s...
详细信息
Renewable energy sources were first utilized around 200 BCE, approximately 2000 years ago. The initial form of renewable energy was the water mill, which operated on friction, harnessing hydro-energy through the rotat...
详细信息
Power spot market had been taken place in several provinces in China. Bidding decision of thermal generator is one of the most important tasks for generation company among all market transaction processes. In the pape...
详细信息
Water flood development mode was adopted to enhance oil recovery in a Middle East carbonate oilfield. The injected water is a mixture from the produced water and clear water. The water quality of the injected water ba...
ISBN:
(纸本)9781959025184
Water flood development mode was adopted to enhance oil recovery in a Middle East carbonate oilfield. The injected water is a mixture from the produced water and clear water. The water quality of the injected water basically meets the requirement standards except that total sulfide content is about 100mg/L. However, the water injection system has still encountered severe microbiologically influenced corrosion perforation and scaling blockage after less than 2 years, which affects the crude oil production in the oilfield. This paper aims to find out the mechanism of microbiologically influenced corrosion under deposit, and propose the prevention strategy. The maximum likelihood estimation (MPN) and fluorescent staining methods are applied to study the enrichment change of sulfate-reducing bacteria (SRB) under deposit. And then the synergistic effect of scale and SRB on uniform and localized corrosion was quantitatively evaluated using methods such as weight loss test, potentiodynamic polarization curve, white light interferometer, and scanning electron microscopy. On this basis, the electrochemical test and surface analysis methods are used to optimize the integrated inhibitor system for corrosion, scale inhibition, and sterilization. The results show that the number of SRB under deposit reached the peak value of about 2×108 cells/mL after 7 days, which is nearly one order of magnitude more than the number of SRB floating in the solution. It was clear that SRB is significantly enriched in the deposit. The synergistic effect between deposit and SRB can significantly accelerate the corrosion of carbon steel. The contribution of synergistic effect to uniform corrosion and localized corrosion of carbon steel is as high as 70% and 50% respectively. The synergistic effect of deposit and SRB on corrosion is mainly the promotion of under-deposit corrosion and the acceleration of microbiologically influenced corrosion. The S type small molecular weight corrosion inhibitor and
暂无评论