This filamentary material will eventually be recycled into building new generations of stars. 这些丝状物质最终将会再次轮回构成新世代的星体。
Furthermore, with the increase of air gap spacing, the transition from the homogeneous to filamentary discharge is related to the fluctuation of discharge current. 随着空气间隙距离的增加,均匀放电向丝状放电的转化与电流脉冲波动相关。
Microstructure Evolution and Strengthening Mechanism in Cu-6% Ag Filamentary Composites 双相纤维复合Cu-6%Ag合金组织演化及强化机制
Hum produced from within the filamentary structure. 灯丝结构本身所产生的HUM。
Observation of Filamentary Keratopathy after Excimer Laser Subepithelial Keratomileusis Therapeutic effects of wavefront aberration guided Epi-LASIK for myopia 波前像差引导的机械法准分子激光上皮瓣下角膜磨镶术治疗近视的疗效观察
Magnetron has filamentary cathode with small time hearting, the shielded cathodic site, liquid and air cooling, and also the filter built-in by radio. 该磁控管具有加热时间短的阴极,屏蔽阴极,液体和空气冷却,内建无线电滤波。
Explanation: Comet McNaught, the Great Comet of 2007, has grown a long and filamentary tail. 说明:2007年的大彗星,麦克诺特彗星,最近长出了一条长长的丝状尾巴。
Eggs boil by the heat of the spring. filamentary subminiature tube 温泉的热水可以煮鸡蛋。超小型直热式电子管
Effects of Rare Earth Additions on Microstructure and Properties of Cu-6% Fe Filamentary Composites 稀土元素对纤维复合Cu-6%Fe合金组织和性能的影响
Effects of drawing strain on formation of filamentary structure and conductivity for cu-12% ag alloy 应变程度对Cu-12%Ag合金纤维相形成及导电性能的影响
The Cu-6% Ag filamentary composite was prepared by cold drawing combined with intermediate heat treatments. 通过大变形冷拉拔结合中间热处理制备了纤维相增强的Cu-6%Ag合金,研究了合金在不同加工状态下的显微组织及纤维相的形成过程。
Influence of Solidification Rate on Properties of Cu-Ag in Situ Filamentary Composites 凝固速率对Cu-Ag原位纤维复合材料性能的影响
Moreover, it is found that a particular solution as to qualitatively elucidate the asymmetry of sunspots in shape in addition to the filamentary structure in sunspots. 同时,我们找到一组特解,可定性解释黑子内部的纤维结构和黑子外形的非轴对称性。
Effects of rare earth on microstructure and properties of Cu-Ag in situ filamentary composite 稀土元素对Cu-Ag原位纤维复合材料的结构与性能影响
Influence of trace rare earth additives such as Ce, Y and Gd on microstructure and properties of Cu-Ag in situ filamentary composite was studied in this paper. Cu-Ag-Ce in situ filamentary composite with good combination of high-strength and high-conductivity was prepared. 研究了稀土添加剂Ce、Y和Gd对Cu-Ag原位纤维复合材料结构和性能的影响,制备了具有高强度和高导电性相结合的Cu-Ag-Ce原位纤维复合材料。
Microstructure and mechanical properties of Cu-12% Ag filamentary composite 纤维相强化Cu-12%Ag合金的组织和力学性能
Strain strengthening of Cu-Ag alloy in situ filamentary composites Cu-Ag合金原位纤维复合材料的应变强化效应
Investigation of the microstructure and mechanical properties of Ag-Ni filamentary composites Ag-Ni纤维复合材料的组织特征及力学性能
The filamentary composite structures of Cu-6% Ag, Cu-6% Ag-0.2% Zr and Cu-24% Ag composites all evolve from the primary a grains, eutectic colonies and secondary precipitates in the original as-cast structure during heavy drawing strain. 在对不同成分的Cu-6%Ag、Cu-6%Ag-0.2%Zr和Cu-24%Ag合金的研究中,合金复合纤维相结构均由强烈变形的初生a基体、共晶体和次生相组成。
The distribution of the rotational angular velocities, the integral translational velocities and the radii along the filamentary axes of six different sunspot filaments are given in this paper. 本文给出了六个不同黑子暗条的旋转角速度、整体平移速度和它们的半径沿暗条轴的分布。
Study on the filamentary carbon structures in oxidation of carbon supported copper catalyst 氧化反应中Cu/C催化剂上炭丝结构的研究
Strain compatibility behavior in cu-6% ag alloy during drawing into filamentary structure Cu-6%Ag合金组织纤维化过程中的应变协调行为
The change in the electronic scattering effect of the phase interface between Ag precipitates and Cu grains and the interface between eutectic filamentary bundles and Cu matrix in the alloy against the dislocation resulted in the change in the electrical resistivity of alloy for different strain condition. 次生相界面、共晶体与Cu基体界面及位错对电子散射作用程度的变化导致了合金电阻率在不同变形程度范围内有不同的变化规律。
A computer-simulation study on tensile fracture process in a unidirectional filamentary metal-matrix composite 微机模拟法研究纤维增强金属基复合材料拉伸断裂过程
Cu-12% Ag filamentary composite was prepared by cold drawing and intermediate heat treatments. The evolution of filamentary microstructure and mechanical properties were investigated for the alloy at different draw ratio. 通过冷变形拉拔结合中间热处理制备了纤维相增强的Cu12%Ag(质量分数)合金,研究了变形过程对组织形态和力学性能的影响。
Cu-6 wt% Ag filamentary composite was prepared by cold drawing. The characteristics of filamentary microstructure and electrical resistivity under different strain condition were investigated and the effect of strain on the electrical conductivity was discussed. 通过冷拉拔应变制备了纤维相强化的Cu-6%Ag(质量分数,下同)合金,研究了不同应变条件下合金的显微组织和电阻率变化规律,讨论了应变对Cu-6%Ag合金导电性能的影响机制。
When the use of the nanosecond pulse with higher amplitude, the filamentary discharge was discovered. 采用较高幅度的ns脉冲放电时,发现了指纹放电中存在丝状放电的痕迹。
This phenomenon was explained by a model based on filamentary conduction disturbed by dipoles in view of experimental results. 在此基础上,结合文献提出了偶极矩微扰下的细丝传导模式来解释这种现象。
The same phenomenon was observed in filamentary discharge. It was shown that there is no necessary relationship between current waveform and discharge uniformity. 在氩气丝状放电中同样有此现象,这表明电流波形与放电均匀性没有必然的关系。
Since stronger electric field intensity may be got in the filamentary discharging, the discharging gas has higher concentration of ions and activated atoms thus, the preparation efficiency and collecting efficiency are higher in nanoscale powder preparation. 由于介质阻挡丝状放电具有更大的电场强度,放电气体等离子体中的离子、活性原子等的浓度高,电子能量大,因此,在纳米粉体材料制备中,制备效率和收集效果更好。