NSTL国家科技图书文献中心

1. Revisiting Africa's Stroke Obstacles and Services (SOS) NSTL国家科技图书文献中心

Roushdy, Tamer | Elbassiouny, Ahmed ... - 《Neurological sciences》 - 2025,46(5) - 2171～2181 - 共11页

摘要： its burden and to face obstacles* in its* | stroke services and related obstacles* in 17 African* | obstacles in the implementation of telestroke services | regressing in a few. Managing obstacles* that are raised by* | BackgroundAs one of the most common non

关键词： Stroke in Africa | Stroke services | Obstacles | Stroke units in Africa | Stroke specialists | Stroke care

2. Obstacles to implementing indigenous knowledge in climate change adaptation in Africa NSTL国家科技图书文献中心

Walter Leal Filho | Johannes M. Luetz ... - 《Journal of Environmental Management》 - 2025,373(Jan.) - 123678.1～123678.7 - 共7页

摘要： faces several obstacles. Understanding these obstacles | some of the most critical obstacles* that hinder the* | In a climate change context, indigenous and | local knowledge includes the use of traditional | practices, crop varieties, and land management techniques

关键词： Africa | Indigenous | Knowledge | Obstacles | Climate change adaptation

3. An Acoustic Scattering Problem for Three Obstacles With Different Boundary Conditions NSTL国家科技图书文献中心

Feng, Jiuzhi | Guan, Yi ... - 《Mathematical Methods in the Applied Sciences》 - 2025,48(8) - 8702～8714 - 共13页

摘要： impenetrable obstacles, each with different boundary | reconstruct obstacles* and give some numerical examples in* | scatterer, comprising a penetrable obstacle* and two* | We consider the direct and inverse time | -harmonic acoustic scattering problem for a mixed

关键词： boundary integral method | linear sampling method | mixed obstacles

4. Information Entropy-Based Cooperative Surveillance in Areas with Obstacles NSTL国家科技图书文献中心

Samine Karimi | Fariborz Saghafi - 《Unmanned Systems》 - 2025,13(1) - 153～169 - 共17页

摘要：This paper solves the problem of searching a | surveillance region and tracking possible radio emitters by | multiple unmanned aerial vehicles cooperating through | communication links in a decentralized manner. An innovative | entropy-based approach is utilized to obtain the routes

关键词： Cooperative search | information entropy | task and route optimization | unmanned aerial vehicle | DF sensor | environmental obstacles

5. Two birds with one stone: can public financial support help firms to address financial and non-financial obstacles to research and innovation? NSTL国家科技图书文献中心

Mauricio Perez-Alani... | Helena Lenihan ... - 《Industry and innovation》 - 2025,32(3) - 243～280 - 共38页

摘要：Financial, knowledge and market obstacles* can* | financial obstacles* to invest in R&I. Building on the* | knowledge and market obstacles. Despite this, however | knowledge obstacles. Moreover, it increases the importance | that firms attach to their market obstacles. This

关键词： Non-financial obstacles | Financial obstacles | Research and innovation | Capability building | Public financial support for r&I

6. Adaptive bi-level path optimization for deep-sea mining vehicle in non-uniform grids considering ocean currents and dynamic obstacles NSTL国家科技图书文献中心

Lu C. | Yang J.... - 《Ocean engineering》 - 2025,315(Jan.1) - 1.1～1.23 - 共23页

摘要： unstructured seabed terrain and dynamic obstacles. To address | planning and effective local obstacle* avoidance in* | window approach (ADWA) for local obstacle* avoidance* | © 2024The navigation safety of Deep-sea Mining | Vehicle (DSMV) is significantly threatened by

关键词： Adaptive bi-level path optimization | Deep-sea mining vehicle | Dynamic obstacles | Non-uniform grid

7. Obstacles to Two-Line Josephson Traveling Wave Parametric Amplifier NSTL国家科技图书文献中心

Victor K. Kornev | Alena N. Nikolaeva ... - 《IEEE Transactions on Applied Superconductivity》 - 2025,35(2) - 1～7 - 共7页

摘要：Obstacles to the two-line Josephson traveling | wave parametric amplifier (JTWPA) designs, aimed at | increasing the allowed pump wave energy and, hence, the | gain growth through the combination of linear and | nonlinear lines as pump and signal lines is discussed

关键词： Inductance | Couplings | SQUIDs | Magnetic flux | Josephson junctions | Waveguide transitions | Propagation | Modulation | Junctions | Wave energy conversion

8. RANS simulation of supercritical open channel flows around obstacles NSTL国家科技图书文献中心

Martinez, Bastian | Guerra, Maricarmen ... - 《Journal of hydraulic research》 - 2025,63(1) - 1～14 - 共14页

摘要： supercritical flows around obstacles. | The URANS equations are solved with the SST | turbulence closure model, and the free surface is modelled | using the Volume-of-Fluid method. Numerical results | are verified through a detailed comparison with

关键词： Bridge piers | mountain rivers | Open FOAM | supercritical flow | Tri-dimensional flow simulation | SCOUR | CYLINDER | TURBULENCE | DYNAMICS | SURFACE...

9. Pursuit Winning Strategies for Reach-Avoid Games With Polygonal Obstacles NSTL国家科技图书文献中心

Rui Yan | Shuai Mi ... - 《IEEE Transactions on Automatic Control》 - 2025,70(2) - 814～829 - 共16页

摘要： obstacles that block the players' motions. The pursuers | This article studies a multiplayer reach-avoid | differential game in the presence of general polygonal | cooperate to protect a convex region from the evaders who | try to reach the region. We propose a multiplayer

关键词： Games | Differential games | Task analysis | Robots | Heuristic algorithms | Drones | Vectors

10. Physical obstacles in the substrate cause maize root growth trajectories to switch from vertical to oblique NSTL国家科技图书文献中心

Jiaojiao,Yao | Jonathan,Barés ... - 《Journal of Experimental Botany》 - 2025,76(2) - 546～561 - 共16页 - 被引量：1

摘要： such obstacles, but the mechanism through which this | rigid circular obstacles* affects the ability of a* | the obstacles. When obstacles* were of intermediate* | aggregation, and stones create physical barriers* that can* | roots to a range of physical barriers. Using image

关键词： Gravitropism | maize plant roots | mechanical stress | obstacle | root bending | root growth trajectory | root tip angle | soil heterogeneity | thigmotropism | Zea mays

摘要： its burden and to face obstacles in its | stroke services and related obstacles in 17 African | obstacles in the implementation of telestroke services | regressing in a few. Managing obstacles that are raised by | BackgroundAs one of the most common non

关键词： Stroke in Africa | Stroke services | Obstacles | Stroke units in Africa | Stroke specialists | Stroke care

摘要： faces several obstacles. Understanding these obstacles | some of the most critical obstacles that hinder the | In a climate change context, indigenous and | local knowledge includes the use of traditional | practices, crop varieties, and land management techniques

关键词： Africa | Indigenous | Knowledge | Obstacles | Climate change adaptation

摘要： impenetrable obstacles, each with different boundary | reconstruct obstacles and give some numerical examples in | scatterer, comprising a penetrable obstacle and two | We consider the direct and inverse time | -harmonic acoustic scattering problem for a mixed

关键词： boundary integral method | linear sampling method | mixed obstacles

摘要：This paper solves the problem of searching a | surveillance region and tracking possible radio emitters by | multiple unmanned aerial vehicles cooperating through | communication links in a decentralized manner. An innovative | entropy-based approach is utilized to obtain the routes

关键词： Cooperative search | information entropy | task and route optimization | unmanned aerial vehicle | DF sensor | environmental obstacles

摘要：Financial, knowledge and market obstacles can | financial obstacles to invest in R&I. Building on the | knowledge and market obstacles. Despite this, however | knowledge obstacles. Moreover, it increases the importance | that firms attach to their market obstacles. This

关键词： Non-financial obstacles | Financial obstacles | Research and innovation | Capability building | Public financial support for r&I

摘要： unstructured seabed terrain and dynamic obstacles. To address | planning and effective local obstacle avoidance in | window approach (ADWA) for local obstacle avoidance | © 2024The navigation safety of Deep-sea Mining | Vehicle (DSMV) is significantly threatened by

关键词： Adaptive bi-level path optimization | Deep-sea mining vehicle | Dynamic obstacles | Non-uniform grid

摘要：Obstacles to the two-line Josephson traveling | wave parametric amplifier (JTWPA) designs, aimed at | increasing the allowed pump wave energy and, hence, the | gain growth through the combination of linear and | nonlinear lines as pump and signal lines is discussed

关键词： Inductance | Couplings | SQUIDs | Magnetic flux | Josephson junctions | Waveguide transitions | Propagation | Modulation | Junctions | Wave energy conversion

摘要： supercritical flows around obstacles. | The URANS equations are solved with the SST | turbulence closure model, and the free surface is modelled | using the Volume-of-Fluid method. Numerical results | are verified through a detailed comparison with

关键词： Bridge piers | mountain rivers | Open FOAM | supercritical flow | Tri-dimensional flow simulation | SCOUR | CYLINDER | TURBULENCE | DYNAMICS | SURFACE...

摘要： obstacles that block the players' motions. The pursuers | This article studies a multiplayer reach-avoid | differential game in the presence of general polygonal | cooperate to protect a convex region from the evaders who | try to reach the region. We propose a multiplayer

关键词： Games | Differential games | Task analysis | Robots | Heuristic algorithms | Drones | Vectors

摘要： such obstacles, but the mechanism through which this | rigid circular obstacles affects the ability of a | the obstacles. When obstacles were of intermediate | aggregation, and stones create physical barriers that can | roots to a range of physical barriers. Using image

关键词： Gravitropism | maize plant roots | mechanical stress | obstacle | root bending | root growth trajectory | root tip angle | soil heterogeneity | thigmotropism | Zea mays

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国家科技图书文献中心

摘要： its burden and to face obstacles* in its* | stroke services and related obstacles* in 17 African* | obstacles in the implementation of telestroke services | regressing in a few. Managing obstacles* that are raised by* | BackgroundAs one of the most common non

摘要： faces several obstacles. Understanding these obstacles | some of the most critical obstacles* that hinder the* | In a climate change context, indigenous and | local knowledge includes the use of traditional | practices, crop varieties, and land management techniques

摘要： impenetrable obstacles, each with different boundary | reconstruct obstacles* and give some numerical examples in* | scatterer, comprising a penetrable obstacle* and two* | We consider the direct and inverse time | -harmonic acoustic scattering problem for a mixed

摘要：Financial, knowledge and market obstacles* can* | financial obstacles* to invest in R&I. Building on the* | knowledge and market obstacles. Despite this, however | knowledge obstacles. Moreover, it increases the importance | that firms attach to their market obstacles. This

摘要： unstructured seabed terrain and dynamic obstacles. To address | planning and effective local obstacle* avoidance in* | window approach (ADWA) for local obstacle* avoidance* | © 2024The navigation safety of Deep-sea Mining | Vehicle (DSMV) is significantly threatened by

摘要： such obstacles, but the mechanism through which this | rigid circular obstacles* affects the ability of a* | the obstacles. When obstacles* were of intermediate* | aggregation, and stones create physical barriers* that can* | roots to a range of physical barriers. Using image