A hydrometer that determines the concentration of salt solutions by measuring their density. Francoeur scale 通过测量密度来测定盐溶液的浓度的液体比重计。弗兰科伊标度-用于液体比重测定的一种标度
City Population Density, Home Market Scale and Increasing Employment 城市人口密度、国内市场规模与就业增长
The zero point of the density scale is defined by having no specimen in the densitometer. 定义密度计内设有样品时的密度为密度尺标的零点。
The effect of plasma density scale length on the conversion efficiency of high order harmonic generation in the interaction of intense laser and plasma was investigated via PIC ( particle in cell) simulation. 通过等离子体粒子模拟研究了在强激光与等离子体相互作用产生高次谐波的过程中,等离子体密度标长对转换效率的影响。
When the plasma density increase to a large scale, the cavity mode of the CC chain overlaps the TG mode, these two modes couple with each other and form the hybrid modes. 当填充的等离子体密度较大,且腔模和TG模式发生部分重叠时,两者相互耦合,形成等离子体腔混合模式。
The interlayer dielectric materials with ultra low dielectric constant are researched to adapt to the development of the high speed and high density for ultra large scale integrated circuit ( ULSI). 为了适应ULSI高速、高集成度发展,人们开始探索具有超低介电常数的电互联介质材料。
Firstly, based on market density and market scale, this paper analyzes the provincial differentiation of market development in China, and confirms the remarkable interrelationship between market density, market scale and development level of the national economy. 本文首先从商品交易市场密度、市场规模等方面剖析了我国商品交刎市场发展的省区差异特征,证实了市场密度、市场规模与国民经济发展水平之间存在着显著的相关关系;
Mean Density Scale Heights From Analysis of Variation in Perigee Height of China Second Satellite 从我国第二颗卫星近地点高度变化的分析测定平均密度标高
Initial Application of Video Density Scale to Assess Myocardial Microperfusion 视频密度阶差评价心肌微灌注的初步研究
Foundation pits generally gather at the field with large population and construction density and small spatial scale. 基坑工程一般集中在城市人口密集、建筑密度大的狭小场地。
These villages are laid out with proper density, distance and scale in harmony with the capacity of the natural ecological environment. 村寨分布的密度、间距和规模与自然生态环境的容量相适应。
Technicians have been contributing a great effort to increase the density and the scale of IC chips during the last twenty years. As compared to this effort less attention was paid to investigate the structure of basic memory unit greatly used in digital chips. 近一、二十年,电子工程师们在增加IC的密度和规模上投入了了大量的精力,相比之下,被数字芯片广泛使用的基本记忆单元电路的结构优化问题则较少受到关注。
Such ways can improvement the rock bolt supporting effect by the draining water in the drill hole, which are to layout relief water holes, adapt centralized discharge, and exaggerate the density scale of the bolt support. 沿巷道轴向布置卸水孔,采用集中排放,同时加大锚杆支护的密度可以改善顶板淋水时锚杆支护的效果。
In this paper a method for computing density scale height H is discussed. At the same time, from the analysis of variation in perigee height of the China second satellite, four mean values of density scale height H are determined. 本文讨论了一种大气密度标高的计算方法,同时从我国第二颗卫星近地点高度变化的分析测得了四个平均密度标高H值。
The features of ASIC were described. Due to programmable ASIC is easier for design and used widely, ASIC is developing towards to high density, larger scale, reconstruction etc. 讨论了ASIC的特点,由于可编程的ASIC具有可编程性和设计的方便性,被广泛地应用。
The D ( close)/ D ( sparse) and the E ( I)/ E ( C) are relative density difference. The ratio scale reflected height and low of the pattern intensity. D密/D疏和E(I)/E(C)是两种形式的相对密度差,比值直观的反映出分布格局强度的高、低。
Effect of Plasma Density Scale Length on the Conversion Efficiency of High Order Harmonic Generation in Laser-Plasma Interaction 等离子体密度标长对高次谐波转换效率的影响
Probability density of gray scale for segmenting real-time images 基于灰度分布的概率密度实现实时图像分割
Indexes include density, approaching the ideal scale degree, connectedness, fractal dimension etc, and explain the conclusion of technological appraisals. 包括山东交通区位网络密度、理想规模接近度、网络连通度和网络分维数等指标,并对技术评价的结论进行了解释。
Effects of soil sampling density and interpolation scale on variable rate prescription map 土壤采样密度及栅格尺度对处方图结果的影响
Simulation results show that GORP can work well for MANET with different nodal mobility, nodal density and network scale. 仿真结果表明GORP协议在节点移动或节点数少和多的情况下都能获得好的性能,能满足MANET路由需求。
Density of Small Scale Amplitude Modulation Spot and Its Effect on Beam Propagation 小尺度振幅调制点密度对激光传输的影响
Methods: To employ an electrothermal drier as a heat source and measure density of grey scale in film with a densitometer. 方法:使用电热干燥箱作热源,用密度计测量胶片上各级灰阶的密度。
The solid-fluid density ratio and the pore scale parameter are introduced to simplify the coefficients in Biot equation. These coefficients are easy to estimated and have definite physical meaning. 引入固、流体密度比和孔隙几何参数,将Biot方程系数简化为测量简单、物理意义明确的物理量。
The adjusting ability of climate, the density of population and the scale of economy development of the region affect the stability of the system weakly. 其他因素依次为湿地水质、旱涝灾害系数、湿地景观格局和洪湖湿地调蓄能力等,而气候调节能力、人口密度和区域经济发展规模等因素对系统稳定性的影响则较小。
With the further development of wind engineering, it is helpful to understand the mechanism of this technique so as to accurately simulate the power spectral density and integral scale of turbulence. 随着风工程研究的深入,了解尖劈和粗糙元模拟过程中的作用机理有助于准确地模拟各种大气边界层湍流功率谱和尺度特性。
Lithium-ion rechargeable batteries are the most promising power system that can offer a higher operative voltage and energy density being used in large scale energy storage, electric vehicles and hybrid electric vehicles. 锂离子可循环电池是最有潜力的电源系统,它可以提供更高的工作电压及能量密度因而有望用做大规模能量存储及电动汽车和插电式混合动力汽车的车载能量存储的电池。
Fiber laser is a kind of technology with roughen point topography and distribution controllable, roughness and density adjustable on a large scale, good repeatability and excellent roughen surface performance. 光纤激光毛化是一种毛化点形貌和分布可控、粗糙度及密度可大范围调整、重复性好、毛化表面性能优良的技术。