spherica相关论文
Tunable tribological properties in water-based lubrication of water-soluble fullerene derivatives vi
In this paper,three kinds of water-soluble fullerene derivatives were synthesized via electrophilic addition reaction an......
Fe-doped ZnO (Zn0.99Fe0.01O) powders are successfully prepared by ball milling with different milling time, and are inve......
Two porosity models of porous Al alloys with different pore types (ball and polygon shape) were established. The experim......
The Five-hundred-meter Aperture Sphericalradio Telescope(FAST)willbe the largest radio telescope in the world.The surfac......
Effective response of nonlinear cylindrical coated composites under external AC and DC electric fiel
This paper uses the perturbation method to study effective response of nonlinear cylindrical coated composites. Under th......
A Novel Synthesis of Malic Acid Capped Silver Nanoparticles using Solanum lycopersicums Fruit Extrac
Integration of green chemistry principles to nanotechnology is one of the key issues in nanoscience research.The develop......
Micro/meso scale modification can bring big changes in macroscale property.The addition of nanofillers makes materials s......
Al-10.8Zn-2.8Mg-1.9Cu alloy was synthesized by spray atomization and deposition technique. GP zones and age-hardening pr......
In this paper,the gometric center and centroid method are suggested to tracecenter location of a close fringe pattern.T......
Study of Convergence With Number of Separable Terms of Pairing Interaction in Relativistic Hartree B
We introduce a new separable pairing force for Hartree-Bogoliubov calculations in the framework of relativistic density ......
1 Introduction Nanoparticles are widely found in the ductile shear zone and it is considered to have a close relation wi......
介绍了丁二烯的理化性质及其自聚物的产生原因与危害,分析了储运过程中可能出现的问题,探讨了防止丁二烯自聚物影响储运安全的手段......
从分析压力传感器的平面膜片结构在变温场中存在的失稳现象入手,突破常规设计方法,采用新颖的球壳状膜片结构,克服了失稳现象,结合......
在临近空间长时间超声速滑翔的导弹,扰动引力对弹道的影响不可忽略。考虑地球扁率及自转的影响,建立了助推-滑翔导弹跳跃-滑翔段三......
目的探讨角膜塑形术2年后眼结构、屈光的变化和近视控制效果。方法 2009年8月至2013年8月具有戴前和连续2年以上完整资料青少年近......
为了诊断波长为0．5～0．8nm的激光等离子体X射线，研制了一种新型的高空间和光谱分辨率的晶体谱仪。采用2个不同分光计材料、不同形状且相......
目前对高分辨率陆地合成孔径雷达图像数据特性尚缺乏充分研究.该文提出K-S检验的改进方法并设计组合假设检验,验证高分辨率农田合......
目的探讨屈光参差性近视患者的角膜地形图特性及其对病因学研究价值。方法选择在广西视光中心就诊的屈光参差性近视患者45例。使用......
<正>A dry mechanical surface treatment was described, in which irregularly shaped metal powders were impacted and spheri......
利用丰富的实践经验和智能化的计算机程序，构建了挤出滚圆法造粒专家系统，为工艺参数的探索提供快捷、精确的模式。该专家系统根据挤......
根据超磁致材料的磁-机能量耦合转换机理,用有限元耦合迭代方法,设计了超磁致材料微致动器,在此基础上,利用超磁致材料微致动器的......
以3．98mol／L的四氯化钛为前驱体溶液，采用内凝胶法制备了具有尖晶石结构的球形钛酸锂（Li4Ti5O12）粉末。通过XRD、SEM及电化学性能测试等......
阐述了盒子波技术的基本原理及与线形接收形式干扰波调查方法相比所具有的优点。从该方法在准噶尔盆地干扰波调查应用的方案设计、......
To illustrate the general properties of the Beltrami flows,a new sufficient and necessary condi-tion of the general solu......
The culture filtrate of a plant pathogenic fungus that infected Zinnia elegans and Hydrangea macrophylla was investigate......
针对经典联合变换相关器的缺陷，提出了基于空域啁啾编码频域斜光束照射的联合变换相关技术．利用空域啁啾编码实现相关峰尖锐；频域平行......
带圆型球头的螺杆、球碗是锻压机床中的重要部件,其质量对机床精度、寿命有重大影响.传统的加工工艺和手段,生产率低、精度差.参照......
借助Walsh变换实现引力位球谐函数的快速Fourier变换导出了球谐函数的Walsh—Fourier变换、转换矩阵的快速Walsh—Hadamard变换算......
The paper is concerned with the formulation of the static problem of general relativity. As known, this problem is reduc......
声场分离技术是实现非消声室环境下声源辐射特性测量的有效方法。基于球谐波分解的声场分离方法一般采用双层球面测量。在实际应用......
