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1)  diffusion profiles
浓度分布图
2)  distribution of concentration
浓度分布
1.
An analytical solution is presented to determined the distribution of concentration in a trapezoidal channel due to a stream of effluent discharging.
从无限区域圆形瞬时源扩散的浓度分布公式入手,推导出梯形区域内瞬时线源扩散的近似浓度计算公式,进而得到了梯形渠道岸边排污的浓度分布公式。
2.
When there is contamination resource around a building, there is dose relationship between the distribution of concentration of contami-nation and the relative place between the contamination resource and the aerodynamic shadow zone.
当建筑物附近有污染源存在时,污染物的浓度分布与污染源和空气动力阴影区之间的相对位置有着密切关系。
3)  density distribution
浓度分布
1.
Measurement of solid suspension density distribution in the furnace of a 75t/h circulating fluidized bed boiler (CFB) with the water cooled square separator was conducted with the probe developed by Tsinghua University.
针对75t/h水冷方型分离器循环流化床锅炉,利用自行设计的测试方法进行了炉内燃烧室不同位置的局部固体悬浮浓度的测量,确定了燃烧室近壁区沿高度方向及截面方向物料浓度分布,分析了测量结果,并根据测量结果,发展了炉内局部物料浓度的计算模型。
4)  concentration distribution
浓度分布
1.
Study on laws of ground layer meteorological elements variation and fungal concentration distribution in air in Beijing;
北京市近地层气象要素与大气真菌浓度分布规律的调查研究
2.
Study on laws of ground layer meteorologrical elements variation and bacteria in air concentration distribution in Beijing;
北京市近地层气象要素与大气细菌浓度分布规律的调查研究
3.
Study on settling slurry concentration distribution in inclined pipeline;
沉降性浆体倾斜管道浓度分布的研究
5)  concentration profile
浓度分布
1.
Study on Determination of Polymer Deterrent Concentration Profile in Gun Propellant by S~2 FT-IR PAS;
光声光谱法测定枪药表面高分子钝感剂的浓度分布
2.
However, when dimensionless time is very small, this classical parabolic concentration profile would yield a negative profile within a particle, which is physically unrealistic.
提出一种新的n(t)次方浓度分布模型 ,不仅能从数学上导出线性推动力 (LDF)模型 ,而且在任何时刻都不会产生负的浓度分布剖面 。
3.
A simplified dispersion model for predicting mass transfer coefficient ( K od a ) and concentration profile in CTRDC has been obtained and solved numerically.
建立了闭式涡轮转盘塔( C T R D C)的传质数学模型——简化的扩散模型,并用数值计算方法求得塔内浓度分布和传质系数 Koda。
6)  distribution of nitrogen concentration
氮浓度分布
1.
The distribution of nitrogen concentration and the microstructure of the nitrided layer were measured and observed by EPMA and SEM respectively.
在氮气中对304奥氏体不锈钢进行固溶渗氮,用电子探针测定了渗氮层的氮浓度分布,用扫描电子显微镜观察了渗氮层的金相组织。
2.
The microstructure, phase, the distribution of nitrogen concentration, microhardness of the nitrided layer of 304 Austenitic stainless steel and 3Cr13 Martensite stainless steel was measured by SEM, EPMA, X-Ray, mic.
采用扫描电子显微镜、电子探针、X射线、显微硬度仪等测定了不同固溶渗氮工艺参数下304奥氏体不锈钢和3Cr13马氏体不锈钢渗层的组织、相组成、氮浓度分布曲线、显微硬度分布等。
补充资料:频率分布图
分子式:
CAS号:

性质:在恒定温度下材料的动态性能与试验频率关系的曲线。黏弹性材料的动态力学研究中发现,材料的动态性能和加载形式、加载速率、环境温度等有关。为了分别描述不同因素的影响,往往采用固定一些条件,变动另一些或一个条件的办法进行一系列测定。频率分布图就是其中之一。

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