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- ion density ratio 离子密度比
- Prevents melanin from forming by way of adjusting calcium ion density to keep the tyrosinase in inactive state. 藉由调整钙离子浓度,让酪胺酸酵素处于非活性状态,避免黑色素生成。
- A preionzation simulation experiment has been carried out on the Belt-Pinch device, GBH-1. The electron temperature and ion density were measured by a floating double-probe. 本文描述了GBH-1装置的预电离模拟实验装置及实验结果。 用静电悬浮双探针测量了电子温度和离子温度。
- The properties of spatial distribution of plasma ion density in RF TCP plasma reaction chamber were diagnosed by a Langmuir probe and the effect of air pressure were investigated. 利用朗缪尔静电单探针诊断了射频TCP离子束辅助电子枪蒸发镀膜装置反应室内等离子体密度的空间分布规律;并分析了气压对等离子体分布的影响.
- The influence of density ratio on the characteristic frequency of coherent structure on the centreline of low Re number free round jet flow has been investigated with Dual PDA. 采用激光粒子动态分析仪研究了低雷诺数时密度比对自由圆射流近喷嘴区轴线相干结构特征频率的影响。
- Cumulative incidence ratio (CIR), incidence density ratio (IDR)and incidence odds ratio(IOR)can be calculated respectively in cohort study according to various study designs. 根据不同的研究设计,在队列研究中可分别估计累积发病率比(CIR)、发病密度比(IDR)和发病比值(IOR)。
- In this paper, the research results of the relations between the excitation stage of linear ion Bernstein wave (IBW) and the edge ion density fluctuation, the discharge parameters of tokamak and the antenna position in KT-5B tokamak are presented. 本文介绍了在KT-5B托卡马克装置上,线性离子伯恩斯坦波的激发与边缘离子密度涨落、托卡马克放电参数以及发射天线位置之间关系的实验研究结果。
- It helps to keep main and collateral channels of body fee, to improve ion density of blood and to promote the supersession of the old by the new by massaging acupoints and producing stimulus. 通过对人体经穴按摩,指压按摩和传导入人体各个器官,产生刺激反射作用,促进人体经络通畅,改善血液离子浓度,从而达到促进新陈代谢、活化经络、消肿之目的。
- The strain energy density ratio criterion for predicting cracking direction in composite materials is proposed. The Tsai-Hill criterion and Norris criterion of composite materials are extended to predict the cracking direction in compsites. 本文提出预测复合材料中裂纹方向的比应变能密度准则;并将Tsai-Hill与Norris准则扩展来预测复合材料中的开裂方向.
- An investigation was conducted to explore the influence of density ratio and velocity ratio of mainstream/injectant upon the cooling effect of flat plane film using heat-mass transfer analogy. 摘要采用传热传质类比的方法研究主射流密度差和速度比对单排孔平板气膜冷却效率的影响。
- signal-to-noise power density ratio 信噪功率密度比
- Intelligent Analyzer of Ion Density for Cobalt Based on MCU 基于微控制器的智能钴离子浓度分析仪
- carrier to spectral noise density ratio 载波噪声谱密度比
- Measuring the ion density of pulsed vacuum arc source 脉冲真空放电离子密度的测量
- Research on the Design of Ion Density Measurement Instrument 离子浓度检测仪的设计研究
- bit energy-to-noise density ratio 比特能量噪声密度比
- Ion Density and Energy Distribution Diagnose of a Helicon Plasma 螺旋波等离子体的密度与离子能量分布的诊断
- Magnesium composites, possessing high strength to density ratios, stiffness to density ratios, excellent mechanical and physical properties, are ideal materials for defense high-tech fields. 镁合金材料有高的比强度、比刚度,优异的阻尼减震、电磁屏蔽等性能,是高新技术行业的理想材料之一。
- Keywords ECR plasma;Surface modification;PTFE;Ion density;Ion energy; 电子回旋共振等离子体;表面改性;聚四氟乙烯;离子密度;离子能量;
- Experimental Verification of the Criterion of Strain Energy Density Ratio 比应变能密度准则的实验验证