粒径分布

不同生态修复措施下水库水源涵养区土壤粒径分布的分形特征三峡库区水体中营养盐与浮游生物量分布特征

Fractal Features of Soil Particle Size Distribution on Water Source Conservation Areas under Different Measures of Ecological Restoration

在DMSO水溶液中CTAB胶束的粒径分布

Size Distribution of CTAB Micelles in Aqueous DMSO Solution

进一步用相同的方法制备出粒径分布更均匀的Ag／PS核壳复合纳米粒子。

Furthermore , Ag / PS core-shell composite nanoparticles with more uniform particle size were prepared .

TEM结果表明接枝产物粒径分布均匀，约为80~100nm。

The TEM test result showed that the grafted MH had a size of 80 ~ 100 nm with uniform size distribution .

Cr2O3料浆固含量为75%的喷雾造粒料松装和摇实密度大，粒径分布合理，空心、破损和梨形颗粒少。

The spray dried granule prepared with slurry containing 75 % solid has high packing density , appropriate granule size distribution and regular shape .

结果表明：保护胶体的用量和pH值对微胶囊制备的成囊性和ζ电位有至关重要的作用，它直接影响微胶囊制备的成败以及胶囊粒子的平均粒度和粒径分布；

The results indicated that the pH value and the dosage of the protective colloid had important effects on zeta value and encapsulation in the process of in-situ polymerization .

共沉淀酸蚀法制备CoFe2O4磁性液体及其中的微粒粒径分布

Coprecipitation-acid Method to Prepare Magnetic Fluid CoFe_2O_4 and It 's Particle Size Distribution

发现视比重与粒径分布之间有定量的依存关系，可以将视比重换算成微粒尺寸，并对不同制备条件下的Cu纳米粉的物理参量与微粒尺寸之间的关系进行了探讨。

Using the correlation , the apparent gravity can be converted into the particle size . The dependence of preparation parameters and the nanoparticles size is also investigated .

采用激光粒径分布仪、光学显微镜、差示扫描量热仪、广角X射线衍射仪等表征了聚合物性能。

The properties of the homopolymer were characterized by laser dynamic light scattering photometer , optical microscope , differential scanning calorimetry , thermogravimetric analysis , wide angle X-ray diffraction and melt index apparatus .

粉末XRD和SEM照片分别表明：制备的Y2O3：Er3+纳米材料具有立方相结构，且粒径分布均匀。

From the XRD and SEM micrograph , the Y 2O 3 : Er 3 + nanocrystal with cubic structure is verified and the distribution of particles size is homogeneous .

通过反常衍射近似（ADA）代替米消光系数，可以简化粒径分布的反演过程。

Using the anomalous diffraction approximation ( ADA ) instead of Mie extinction efficiency can simplify the inversion of particle size distribution .

首先，结合辅料颗粒形态特性的细微分析，对颗粒粒径分布（PSD）进行分析。

First , a particle size distribution ( PSD ) analysis together with a detailed analysis of morphological properties of the excipient particles were performed .

Sb2O3添加量的增加对复合树脂的粒径分布影响不大，而细粒含量随着Sb2O3添加量的增加而增加。

The addition amount of Sb_2O_3 hardly effected the size distribution of the particle , but the amount of fine particles increased as the addition amount of Sb_2O_3 increased .

对中密度纤维板（MDF）砂光粉尘的粒径分布做一精确测定。

And the testing experiments have demonstrated its competence . 2 , Accurate measurement of the size distribution of MDF sanding particles .

室内悬浮颗粒物浓度与粒径分布测量方法研究VFP编程在计算总悬浮颗粒物采样浓度中的应用

Research on Measurement Mothod of the Concentration and Size Distribution of Indoor Suspended Particulate Matters Application of VFP Programme in Calculation of TSP Concentration

结果用二次乳化法制备DSP脂质体时，平均包裹率为5482%，载药量为867%，粒径分布在120～265nm之间，平均粒径为178nm；

RESULTS The prepared DSP liposome was characterized by its average encapsulation rate of 54.82 % , drug-loading of 8.67 % , and the size distribution from 120 nm to 265 nm ( averaged 178 nm ) .

利用激光粒径分布仪、扫描电镜、差示扫描量热仪（DSC）和傅立叶转换红外光谱仪分别研究了微胶囊的粒径分布、表面形态、热性能和壳结构。

The diameter distribution , surface morphology , thermal properties and structure of the microcapsules were investigated by means of laser particle size analyzer , SEM , DSC and FT-IR , respectively .

利用迭代CONTIN算法对实验数据进行反演运算，得到多分散颗粒系的粒径分布结果。

An improved iterative CONTIN algorithm is proposed for particle size distributions from the experimental data .

采用逆凝聚包覆法制备硫黄调节型粉末氯丁橡胶（PCR）并考察加料方式、搅拌转速和胶乳加入流速对产物粒径分布的影响。

A sulfur-modified powdered CR ( PCR-121 ) was prepared by reverse-coagulation cover method and the effect of the latex adding procedure and speed , and the stirring speed on the particle size distribution of product was investigated .

认为当吸收剂具有高表面积、高孔隙度、细密的粒径分布、中孔及具有片状或类似盘状的孔时，SO2的脱除效率明显提高。

The results show that desulphurization efficiency increased by using the sorbent with high surface areas , high porosity , small particle size and mesopore with pore shape of slit or platelike .

结果表明，宽的颗粒相粒径分布削弱了特定St数颗粒与气相的作用。

Attention is focused of the effect of the variance of Stokes number on the two phase jet . The results show that the interactions between gas phase and particle phase with certain Stokes number have been weakened .

光子相关光谱研究环型聚苯乙烯的稀溶液行为透射电子显微镜观察了核壳复合乳胶粒的形态，光散射粒径分布仪（PCS）测量胶乳粒径大小及其分布。

Photon Correlation Spectroscopy Study of Behavior on Ring-Shaped Polystyrene in Dilute Solution And the Photon Correlation Spectroscopy ( PCS ) was used to observe the diameter and the diameter distribution of the latexes .

对比了醋酸乙烯（VAC）在传统聚合中和超声波辅助聚合中的单体转化率和乳液粒径分布的差别。

The monomer conversion efficiency and average particle size and its distribution of vinyl acetate ( VAC ) polymerization by conventional and ultrasonic-assisted means individually were compared .

EGSB反应器中颗粒污泥的形状、颜色、粒径分布、沉降速度、元素成分等方面都发生了变化；

The figure , color , size , sedimentation rate and element component of the granular sludge in the reactor changed greatly ;

分析了RPC的性能与原材料的粒径分布和微观结构之间的关系，并用中心质假说对其高强、高韧性机理进行探讨。

Relationships between properties of RPC 、 particle distribution of raw material and microstructure were analyzed , and mechanism of high strength and high toughness were discussed by using " assumption of central grains " .

结果表明：用液相沉淀法制备的SnO2晶体粒径分布较为均匀，分布范围为10~20nm。

It could be observed that the average crystallite size of the material prepared by liquid deposition method was in the region of 10 ~ 20 nm .

研究了超细粉煤灰的粒径分布和颗粒形貌特征，结果表明UFA具有令人满意的减水增强作用。

Particle size distribution and particle morphologies of UFA were also studied . Results show that UFA has satisfactory water reducing and reinforcing role .

主要研究结论如下：（1）建立了LD法快速测定土壤粒径分布（PSD）转换模型，阐明LD法低估黏粒含量的差异性来源。

Main results of this study were as follows : ( 1 ) The PSD transform model between LD method and pipette method was established . And , the difference source of LD method underestimating the soil silt content was illustrated .

重点讨论了Ca-S颗粒、K-S颗粒和Ca-K-S颗粒三类典型含硫颗粒物的化学组成和粒径分布特征。

Chemical composition and size distribution characteristics were described and discussed for Ca-S , K-S , and Ca-K-S particle classes .

以沉降体积比、再分散性、pH值为考察指标，采用正交设计试验对NTZ干混悬剂处方进行筛选，并考察优选处方的流体性能、粒径分布及稳定性。

In order to select an optimized recipe of NTZ for dry suspension , an orthogonal design experiment was carried out by determination of the ratio setting volume , redispersibility and pH value of the suspensions .