1) critical crystal radius
临界晶粒尺寸
2) critical dimension
临界尺寸
1.
The model was analyzed and established,then the formula of critical dimension was got,which was related to the temperature distribution of heater tip.
根据传热学建立了脉冲热压焊的焊咀温度分布模型,对该模型进行分析、计算,得到了焊咀端部温度分布是否分布均匀的临界尺寸公式。
2.
The results showed that the critical dimension for Poplar increased wh.
02 MPa的真空干燥条件下,通过未封面与侧面封闭试件的对比试验,对杨木真空干燥临界尺寸进行了研究。
3) Critical size
临界尺寸
1.
Research on critical size of water barrier in underground coal mine;
论井下隔水煤柱承压破坏的临界尺寸
2.
Quantitative prediction of critical size for the formation of semiconductor quantum dots;
半导体量子点形成临界尺寸的定量预测
3.
The progress on characterization(including HRTEM, SFM, XRD and Raman spectra), critical sizes(including the single-domain critical size and the ferroelectric critical size)and the species of domain(including c domains, a domains, 180° domains and 90° domains)in ferroelectric thin films are reviewed.
综述了铁电薄膜中电畴的表征方法(高分辨透射电镜、扫描力显微镜、X射线衍射、拉曼光谱等)、类型(c畴和a畴、180°畴和90°畴等)、临界尺寸(单畴临界尺寸和铁电临界尺寸)等方面的研究进展,提出了研究中需要解决的一些问题。
4) grain size
晶粒尺寸
1.
Influence of wire rolling process parameters on austenite grain size of high carbon steel;
高碳钢线材轧制工艺参数对晶粒尺寸的影响
2.
Prediction of the flow behavior and grain size during forming for nickel alloy heavy forging;
镍基合金大锻件成形过程流变行为与晶粒尺寸预测
3.
Modelling for grain size and flow stress of magnesium alloy based on BP neural network;
基于BP神经网络的镁合金晶粒尺寸及流变应力模型
5) crystallite size
晶粒尺寸
1.
Determination of crystallite size and strain by X-ray powder
晶粒尺寸和应变的X射线粉末衍射法测定
2.
The effects of the amount of Gd~ 3+ -doping and calcination temperature on the photocatalytic activity for photocatalytic degradation of methylene blue (MB) in aqueous solution, phase structure, crystallite size, surface texture properties of the nanopowders were investigated,and t.
研究了Gd3+掺杂量和焙烧温度对样品光催化降解亚甲基蓝的活性、相结构、晶粒尺寸和表面织构特性的影响,并结合表面光电特性和表面组成等探讨了Gd3+掺杂对纳米TiO2的光催化活性的影响机制。
3.
The effects of pHinitial value, hydrothermal temperature and hydrothermal time on the morphology, crystal phase and crystallite size of TiO2 powder were investigated.
研究了反应初始pH值、水热反应温度和水热反应时间对TiO2形貌、物相和晶粒尺寸的影响。
6) crystalline size
晶粒尺寸
1.
When Si and C contents were higher, Ti (C, N) changed to TiC and the crystalline size decreased to 2—4nm.
用脉冲直流等离子体辅助化学气相沉积(PCVD)方法在高速钢基体上沉积出新型Ti-Si-C-N超硬薄膜,Ti-Si-C-N薄膜为纳米晶/非晶复合结构(nc-Ti(C,N)/a-Si_3N_4/a-C—C),当薄膜中Si和C含量较高时,Ti(C,N)转变为TiC,晶粒尺寸减小到2—4 nm,薄膜晶粒尺寸和硬度的高温热稳定性均随沉积态薄膜中的原始晶粒尺寸减小而提高,当原始晶粒尺寸在8—10 nm之间时,晶粒尺寸和硬度热稳定性可达900℃;当原始晶粒尺寸在2—4 nm之间时,晶粒尺寸和硬度热稳定性可达1000℃,薄膜硬度和晶粒尺寸表现出同步的高温热稳定性,分析认为由调幅分解形成的纳米复合结构中的非晶相强烈地抑制晶界滑移与晶粒长大,从而使Ti-Si-C-N薄膜的热稳定性显著提高。
2.
The effects of pH value,hydrothermal temperature and time on the morphology and crystalline size of nanoscale rutile TiO_2 were discussed.
研究了pH值、水热反应温度和水热反应时间对金红石型纳米二氧化钛形貌和晶粒尺寸的影响。
3.
Influence of chromium additions on the crystalline size and magnetic properties of nanocom-posite Nd2Fe14B/.
5,1,2)的纳米晶复合永磁合金,研究了Cr的添加对合金晶粒尺寸及磁性能的影响,结果表明适量Cr的添加能有效抑制磁性相晶粒长大,提高了合金的矫顽力。
补充资料:临界尺寸(criticalsize)
临界尺寸(criticalsize)
见“超导体小样品”。它也是超导电性尺寸效应物性呈现的标志。由GL理论所得的若干结果如下:
厚为2d的超导薄膜,磁场平行于膜面:
`d_K=sqrt5\delta_0//2`
半径为r的超导球体:
$r_K=sqrt{21}\delta_0//2$
纵向和横向磁场中半径为r的超导圆柱体均为:
$r_K=sqrt3\delta_0$
对于“长轴半径$a\gt\gt$短轴半径b”的超导椭球体,在纵向磁场中:
$L_K\equivb=sqrt{3//2}\delta_0$
在横向磁场中:
$L_K\equivsqrt{ab}=sqrt{7//\pi}\delta_0$
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条