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Liquid marbles containing petroleum and their properties 被引量:3
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作者 Edward Bormashenko Roman Pogreb +3 位作者 Revital Balter Hadas Aharoni Doron Aurbach Vladimir Strelnikov 《Petroleum Science》 SCIE CAS CSCD 2015年第2期340-344,共5页
Liquid marbles (non-stick droplets) containing crude petroleum are reported. Liquid marbles were ob- tained by use of fluorinated decyl polyhedral oligomeric silsequioxane (FD-POSS) powder. Marbles containing crud... Liquid marbles (non-stick droplets) containing crude petroleum are reported. Liquid marbles were ob- tained by use of fluorinated decyl polyhedral oligomeric silsequioxane (FD-POSS) powder. Marbles containing crude petroleum remained stable on a broad diversity of solid and liquid supports. The effective surface tension of marbles filled with petroleum was established. The mechanism of friction of the marbles is discussed. Actuation of liquid marbles containing crude petroleum with an electric field is presented. 展开更多
关键词 Liquid marbles Crude petroleum FrictionLow energy oil transportation effective surface tension -electrical actuation
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电动轮自卸车触发电路设计与仿真分析
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作者 唐慧 郭小定 +2 位作者 汤玉龙 谭秀腾 李小龙 《应用科技》 CAS 2012年第4期78-82,共5页
传统触发器存在电压过零点难以确定、系统不稳定、抗干扰能力差等问题,已不适用于自卸车,所以设计一种新的触发电路具有实际意义.文中针对传统自卸车触发电路存在的问题,对原有触发电路加以改进并设计出了一种新型触发电路.改进后的触... 传统触发器存在电压过零点难以确定、系统不稳定、抗干扰能力差等问题,已不适用于自卸车,所以设计一种新的触发电路具有实际意义.文中针对传统自卸车触发电路存在的问题,对原有触发电路加以改进并设计出了一种新型触发电路.改进后的触发电路采用锁存器和多谐振荡器,具有过零点采样精确、同步跟踪等优点,较好地解决了传统触发电路存在的问题.文中还介绍了电动轮自卸车触发系统的电气原理,给出仿真和实际应用波形图.通过Multisim10.0软件对新型触发电路进行仿真,仿真结果表明效果良好. 展开更多
关键词 电动轮自卸车 过零点 脉冲触发 MULTISIM10 0仿真
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皮内针(撳针)对非特异性颈痛患者疼痛和运动功能的影响:随机对照研究 被引量:17
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作者 黄娟 张驰 +4 位作者 王剑雄 陈汝艳 胡超 罗丽 杨仕彬 《中国康复理论与实践》 CSCD 北大核心 2019年第4期465-471,共7页
目的观察新型皮内针(撳针)配合经皮神经电刺激对非特异性颈痛患者疼痛和运动功能的疗效。方法 2016年7月至2017年9月,收集住院部非特异性颈痛患者80例随机分成对照组(n=40)和试验组(n=40)。试验组采用新型皮内针(撳针)配合经皮神经电刺... 目的观察新型皮内针(撳针)配合经皮神经电刺激对非特异性颈痛患者疼痛和运动功能的疗效。方法 2016年7月至2017年9月,收集住院部非特异性颈痛患者80例随机分成对照组(n=40)和试验组(n=40)。试验组采用新型皮内针(撳针)配合经皮神经电刺激治疗,对照组仅采用经皮神经电刺激治疗,每周7次,治疗2周。分别于治疗前,治疗2周后,1个月、6个月随访时进行视觉模拟评分(VAS)、颈部残疾指数(NDI)、颈椎活动度和颈部肌肉平均肌电值评定。结果所有患者完成治疗和随访。治疗后,两组VAS、NDI评分均下降(t>1.731, P <0.05),试验组均低于对照组(t> 0.236, P <0.05);两组颈椎活动度均大于治疗前(P <0.05),两组间比较无显著性差异(P> 0.05);两组颈部肌肉平均肌电值均小于治疗前(P <0.05),试验组小于对照组(P <0.05)。结论新型皮内针(撳针)配合经皮神经电刺激治疗非特异性颈痛疗效优于单独使用经皮神经电刺激,且患者治疗过程中无不良反应。 展开更多
关键词 非特异性颈痛 皮内针 针刺 经皮神经电刺激 疼痛 运动功能
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Cosmic Ether, Possessing Electric-Tension and Magnetic-Resistance, Is the Unified Field for Physics 被引量:1
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作者 Chandrasekhar Roychoudhuri 《Journal of Modern Physics》 2021年第5期671-699,共29页
The paper presents the case that physics is already and effectively unified by the energetic tension field, ether. We identify this integrating power of ether first, by re-defining the action generating parameters of ... The paper presents the case that physics is already and effectively unified by the energetic tension field, ether. We identify this integrating power of ether first, by re-defining the action generating parameters of this energetic tension field as the electric-tension, <img src="Edit_1233fa02-9a1c-416a-8153-196733a12887.png" alt="" />, and the magnetic-resistance, <em>μ</em><sub>0</sub>, while re-deriving the Maxwell’s wave equation in analogy with the mechanically stretched string, where the <img src="Edit_07813a1b-d94f-4e68-a3ed-b3023cd3fb5f.png" alt="" />. Then, replacing <img src="Edit_7d06fa1e-760d-4b80-a503-db81378a3512.png" alt="" /> by <img src="Edit_58f15ef0-2e86-42ae-a899-d0b4741f12d0.png" alt="" /> and <em>m</em><sub>0</sub> by <img src="Edit_f8cb7020-1a27-404a-b146-5c1357e1c5b5.png" alt="" />, one can find that almost all working physics theories are being energized by<img src="Edit_f860fcdd-1dc1-40bf-aaf1-e07b0e4a7524.png" alt="" />and <em>μ</em><sub>0</sub>. To complete the unification, we can now postulate that the particles are also freely propagating EM waves, but they are spatially localized as in-phase, close-looped (IP-CL) vortex-like propagation modes of ether. Because of their IP-CL mode structure, they have space-finite spatial structures and remain spatially stationary in the absence of any spatially influencing potential gradients (forces) in their vicinity. Particles’ <em>harmonic phase</em> driven interactions between quantum particles give birth to the <em>appearance</em> of wave-particle duality. There is no need for the confusing and unnecessary de Broglie’s Pilot Wave. The inertia to spatial motion of IP-CL modes automatically accommodates Newton’s laws of motion. The cosmic universality of Maxwellian wave velocity, and particles as IP-CL modes, jointly accommodate the two key postulates of special relativity without the need for unphysical four-dimensionality. The observable universe is represented only by its diverse oscillatory excited states. The stable and stationary Cosmic Ether keeps holding 100% of its energy all the time. We have proposed a one-way light pulse propagation experiment to directly validate the existence of ether, rather than approaching Michelson’s way of measuring the ether drag. We have identified a good number of examples of working theoretical expressions in terms of <img src="Edit_fd739625-efbd-4edd-9e1e-ba4ab5b7c07f.png" alt="" />and<em> μ</em><sub>0</sub> and presented our critical views in physics thinking, belonging to Classical, Relativity, Quantum and Cosmology Physics. 展开更多
关键词 Cosmic Ether Ether as the Unifying Field Ether Energetic Tension Field (1/ε0)-electric Tension of Ether μ0-Magnetic Resistance of Ether Particles as Localized EM Oscillating Modes of Ether
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可编程控制器在CE7112仿形车床上的应用
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作者 赵永成 许立 刘日明 《大连铁道学院学报》 1995年第1期63-65,共3页
采用可编程序控制器(PC)对CE7112仿形车床的电气控制系统进行了重新设计,提高了电气控制系统的可靠性、稳定性和灵活性.
关键词 仿形车床 电器控制系统 程序控制器
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