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- The influence of electric pulse modification (EPM) process on the solidification structure of Sn-15% Pb alloy was experimentally investigated. 研究了电脉冲处理对Sn-15%25Pb合金凝固组织的影响.
- The dominant mechanism of electric pulse exerted upon the metal solidification process is inducted and analysed in theory. 从理论上归纳和分析了脉冲电流在金属凝固过程中产生作用的主要机制。
- The electric fields of square electric pulse were applied as cycling fields to investigate the fatigue of the antiferroelectrics. 本文用脉冲矩形方波电场作为激励电场来测试反铁电材料的疲劳性能。
- Purpose To observe the curative effect of magnetic field electric pulse plus point stimulation on apoplectic hemiplegia. 目的观察磁场电脉冲配合穴位治疗中风偏瘫的疗效。
- The experimental results show that the electric pulse treatment can obviously enhance homogeneity of carbon steel solidification macrostructure. 结果表明,电脉冲处理明显提高了碳钢凝固宏观组织的均匀度;
- Discussed herein are mechanism, available ranges and applications of downhole low frequency electric pulse vibrotechnique in Henan Oilfield. 讨论了运用物理方法之一的井下低频电脉冲振动波技术影响油层的作用机理、适用范围以及在河南油田的应用情况。
- Effects of electric pulse magnetic field (EPM)on morphology and fracture of primary Si phase in KS282 alloy have been observed by SEM and DSC. 结果发现,电脉冲孕育处理对多元高硅铝合金有变质作用,增加了合金凝固过程的热力学过冷度,提高了初生硅相形核率。
- This paper described the physics process of a plastic flyer accelerated byan exploded metal foil, driven by a strong electric pulse. 本文分析了强电流脉冲引爆金属箔加速塑料飞片(冲击片)的物理过程,给出了近似计算飞片速度的几种方法,并与实测速度进行了比较。
- The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould at Pan steel slab castor No. 从结晶器施加电脉冲输入能量、钢液过热度、电极间距三方面,探讨电脉冲处理提高铸坯等轴晶率的效果。
- Table-top capillary fast discharge X-ray experiment facility is used to study the X-ray laser amplification by directly fast electric pulse excitation of gases. 桌面毛细管快放电X射线激光实验装置,是研究高压大电流放电直接激励X射线激光放大技术的快脉冲发生器。
- This article reports the experiment studies on treating the S 180 sarcomas of KM mice with high intensity electric pulse and antitumor drug (cyclophosphamide). 报道了用强电脉冲结合抗癌药物环磷酰胺作用于昆明小鼠S-180肉瘤。
- In resent years,electric pulse therapy,a new therapy method,is widely applied and has got significant effect in cell experiments, animal experiments and clinical trials. 近年来,一种新的治疗方法,即电脉冲疗法得到了很大的发展,并在细胞实验、动物实验和临床试验中取得了显著成效。
- The distribution of electric field in Al-Cu melt under electric pulse field(PEF) was studied through combination of numerical simulation and experimental method. 采用数值模拟与实验验证相结合的方法,对电脉冲作用下铝铜熔体内电场分布规律进行了探讨。
- A string of electrical pulses is often shown as this. 一列电脉冲经常表示成这样。
- Accompanying with the transformer discharge, there is the phenomena as electric pulse, electric radiation, ultrasonic, light, and partial over heating etc. And the partial discharge in the oil emits gas and produces the energy wastage. 伴随着变压器放电会产生电脉冲、电辐射、超声波、光、局部过热等现象,油中放电还将分解出气体,产生能量损耗等。
- Applicafion of the Low-Frequency Electrical Pulse Oil Production Technology in the Downhole. 井下低频电脉冲采油技术的应用。
- When a radio-frequency electric pulse is applied to one end of such a tube (Anderson and Alexeff use fluorescent lamps), the energy from the pulse ionizes the gas inside to produce a plasma. 射频电脉冲施加在密封管的一端时(安德森与亚历克谢夫使用的是日光灯管),电脉冲的能量使管中气体离子化,产生电浆。
- In this technique,the spot size is updated by an electric pulse which synchronizes the frequencies of the scanning signal and the main power so that influence of the electric and/or magnetic stray field can be considerably reduced. 它采用脉冲方法刷新光点 ,并且刷新频率和电源频率保持同步 ,从而避免了扫描及视频方法引起的测量误差 ,同时避免了散逸电磁场的影响 ; 并克服了采用扫描光栅、通过信号发生器或者测试软件产生测试信号来进行测试的系统存在的问题。
- Microsecond high density electric pulse was used to shortly age Cu-2.5Fe-0.03P-0.1Zn copper alloy. The effects of electric pulse aging on the microstructures,electric conductivity and microhardness of this copper alloy were systematically investigated. 针对时效硬化型 Cu-2.;5Fe-0
- A frequency spectral analysis is made on the interferential pulse waveform used in fast electrical pulse train interference by using MATLAB. 摘要用MATLAB对电快速脉肿群干扰试验所用干扰脉冲波形进行了频谱分析。