1) size distribution
谱分布
1.
The size distributions of Al,Fe,K,Ca,Si,Ti,Mn were changed after the passage of floating dust,which may imply a new accumulation of atmospheric particles.
浮尘后Al,Fe,K,Ca,Si,Ti,Mn元素质量浓度谱分布图形状发生改变,可能暗示着新一轮的大气污染物积累。
2.
By using the direct solar radiation data measured by a CE-318 sun photometer in Inner Mongolia during the period between June 2002 and May 2003,the aerosol optical thickness(AOT) and size distribution were retrieved by extinction method.
利用CE-318太阳光度计在内蒙古额济纳旗、东胜、锡林浩特三地观测的2002年6月—2003年5月间的太阳直接辐射数据,应用消光法反演大气气溶胶光学厚度[AOT(λ),Aerosol OpticalThickness]和粒子谱分布,并分析其变化特征。
3.
The characteristics of size distributions of PM 10 ,which were collected by Anderson cascade,are analyzed.
结果表明 :低层大气和整层大气的气溶胶粒子数密度谱分布都具有 3峰型特征 。
2) spectral distribution
谱分布
1.
In this paper the spectral distribution and the maximum radiation frequency are described for the spontaneous radiation.
在经典物理框架内,描述了带电粒子自发辐射谱分布和最大辐射频率,并以沟道辐射为例,用龙格-库塔法和快速变换对辐射谱特征进行了数值分析,结果表明,与其它工作比较符合很好。
2.
In this note, we improve the convergence rates of spectral distributions that large-dimensional sample covariance matrices of size p×n tend to the Marenko-Pastur distribution, under the assumption that the entries have a finite eighth moment.
提高了在有限八阶矩条件下,p×n维大维样本协方差矩阵谱分布收敛到Marcˇenko-Pastur分布的速度。
3.
Some properties of eventually norm-continuous semigroups｛T(t)｜t≥0｝ in Banach space for t>t_0(t_0≥0) was studied,and a spectral distribution properies for infinitesimal generators of eventually norm-continuous semigroups was got.
主要讨论了B anach空间中当t>t0(t0≥0)时,最终范数连续半群{T(t)t≥0}的性质,给出了最终范数连续半群无穷小生成元的一个谱分布性质。
3) T 2 distribution
T2分布谱
4) size distribution
粒谱分布
1.
Determination of size distribution of atmospheric aerosol by DOAS;
差分吸收光谱技术监测大气气溶胶粒谱分布
2.
But it is very short of observation and research on the size distribution characteristics of dust aerosol from this region up to now.
2 0 0 1年 4月末到 5月初 ,在内蒙古浑善达克沙地利用PMSFssp 10 0型激光粒谱仪进行了大气气溶胶的外场观测 ,取得了晴天、扬沙和沙尘暴天气条件下沙尘粒子的数浓度采样资料 ,通过统计分析研究 ,总结出浑善达克沙地在不同天气条件下近地面沙尘气溶胶的粒谱分布规律。
3.
But it is very short of observation and study on the size distribution characteristics of dust aerosol from this region up to now.
2001年4月末到5月初,在内蒙古浑善达克沙地利用PMS Fssp-100型激光粒谱仪进行了大气气溶胶的外场观测,取得了晴天、扬沙和沙尘暴天气条件下沙尘粒子的采样资料,通过统计分析研究,总结出浑善达克沙地不同天气条件下近地面沙尘气溶胶的粒谱分布规律。
5) energy spectrum distribution
能谱分布
1.
The method combines the energy spectrum distribution of X-ray source,geometrical shapes and material compositions of sub-regions of phantoms.
为了开发出有效的医学诊断X射线CT(计算机断层扫描)射束硬化校正方法,结合X射线源能谱分布以及数学CT模体内各区域的几何形状和材料成分,提出一种宽能谱X射线投影解析计算方法。
2.
In order to realistically simulate the projections of X-ray computed tomography(XCT),a projection simulation algorithm is presented by combining the X-ray energy spectrum distribution function with the tissue boundary approximation strategy.
为了逼真模拟X射线CT投影数据,提出一种结合X射线能谱分布函数和组织边界逼近策略的投影仿真算法。
6) spectrum distribution
光谱分布
1.
The spectrum distributions of sunlight and night sky radiation were analyzed.
从微光图像的成像过程出发,运用光谱积分建立了微光成像系统的统一模型,分析了日光与夜天光的光谱分布,深入讨论了地面光谱反射特性对成像的影响,对白天与夜间地面反射特性造成的日光图像与微光图像的对比度差异进行了对比研究。
2.
The testing results of the shape of weld arc and welding arc spectrum distribution along wavelength window were presented based on a lot of experiments.
根据试验结果可以看出,焊接电弧形态变化取决于焊接参数的变化,谱线的波长范围在750~850 nm;微束等离子焊接电弧光谱分布并不随焊接规范的变化而变化。
补充资料：《佩文斋广群芳谱·药谱》
《佩文斋广群芳谱·药谱》 《佩文斋广群芳谱·药谱》 药学著作。又名《广群芳谱·药谱》。八卷。清·刘灏著。刊于1708年。本书为《佩文斋广群芳谱》卷九十三-一百，共收药物720余种，系在《二如亭群芳谱·药谱》的基础上增补而成。每种药物标记的“原”字下，均为《群芳谱》原文，“增”字下，为新增加的内容，特别是新增的“汇考”及“集藻”二项，补充各种文史资料尤为丰富。此外还新增补了一些新药。但却删去了原书中种植、修治、服食、疗治等内容。现存三种清刻本，及商务印局馆铅印本。
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