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3篇 您的检索式:作者名="Aleksandr Polyakov"
    题名 作者 年代 出处 被引量
1Generalized equation for calculating rock cutting efficiency by pulsed water jets显示文摘One of the promising methods for rock cutting technology is the use of high-speed water jets.In order to improve the cutting capacity of water jets without increasing the hydraulic power of equipment,pulsed water jets are basically used to increase the rock cutting efficiency.However,there are no mature recommendations for selection of rational parameters,and the relationship between indicators of rock cutting efficiency and parameters of pulsed water jet is still not established.In this context,we aimed at developing a generalized equation for calculating rock cutting efficiency,in which all the major parameters in consideration of rock cutting process are included.Then,a calibration of the rational parameters of rock cutting by pulsed water jets was conducted.The results are likely helpful for increasing productivity and reducing energy consumption.Andrey Polyakov Aleksandr Zhabin Eugene Averin Aleksey Polyakov 2019Journal of Rock Mechanics and Geotechnical Engineering2019,11,4:6
2提高KF-AlF_(3)-Al_(2)O_(3)熔体中Cu-Al基阳极的耐腐蚀性显示文摘采用恒电流和动电位极化技术研究经预氧化的和未经预氧化的Cu-Al基阳极(Cu-10Al和Cu-9.8Al-2Mn)在KF-AlF_(3)-Al_(2)O_(3)熔体中的阳极行为。将合金在700℃下进行短时间(8 h)氧化,然后在800℃下施以0.4 A/cm^(2)的电流密度进行1 h恒电流极化。测定扫描速率为0.01 V/s的动电位曲线。对在阳极表面冻结的熔体样品进行XRD分析,并在实验后对阳极进行SEM分析,以研究合金表面形成的氧化皮的物相。所有阳极材料的稳态电位都在2.30~2.50 V(vs Al/AlF_(3))范围内。根据动电位极化获得的数据计算阳极的腐蚀速率。结果表明,经预氧化的阳极比未经预氧化的阳极具有更低的腐蚀速率。Sai Krishna PADAMATA Andrey YASINSKIY Aleksandr SHABANOV Timofey BERMESHEV 杨酉坚 王兆文 曹导 Peter POLYAKOV 2022Transactions of Nonferrous Metals Society of China2022,32,1:0
3Coupling model for an extended-range plasmonic optical transformer scanning probe显示文摘The expansion of nanoscale optics has generated a variety of scanning probe geometries that yield spatial resolution below 10 nm.In this work,we present a physical model for coupling far-field radiation to plasmonic modes on the surface of a scanning probe,and propose a scheme for extending the working distance of such a probe.In a subsurface application,an optical transformer at the tip of a probe can be coupled to a remote near-field antenna placed inside the sample at a distance away from the surface,expanding the effective working distance up to 100 nm.Aleksandr Polyakov Mauro Melli Giuseppe Cantarella Adam Schwartzberg Alexander Weber-Bargioni P James Schuck Stefano Cabrini 2014Light(Science & Applications)2014,3,1:0
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