The factor to affect the agglomerationwas analyzied theoretically, so that the best process to control the agglomeration of nano powderswas found.
本文以Ti（OC4H9）4为原料，改进了常规的水解沉淀工艺，在氯化按和氨水缓冲溶液中水解沉淀，得到纳米TiO2，通过FT－IR、电位仪等手段，分析制备条件及后处理方法对纳米TiO2微粉表面状态的影响，并从理论上分析影响微粉颗粒团聚的原因，从而寻找粉末颗粒团聚度控制的最佳工艺。
In order to eliminate aggregation of ultrafine WC powder and prepare the ultrafine crystallite cemented carbide,the strength of aggregates in ultrafine WC powder was investigated.
8MPa,压制速度和干燥时间对测量粉体中团聚体强度的影响不显著,用高能球磨可以很好的破碎超细WC粉体中的团聚体。
Preparation and agglomeration control of zirconia nano-powder by alcohol-aqueous co-precipitation method;
醇水共沉淀法制备氧化锆超细粉末及团聚控制
Application of anti-static agents to eliminate ACF flock agglomeration;
抗静电剂在消除ACF绒团聚现象上的应用
Agglomeration Problems and Anti-agglomeration Measures for the Preparation of Metal Oxide Nanoparticles;
纳米金属氧化物粉体制备过程的团聚问题和反团聚措施
Parameter optimization of aggregate desulphurization process for high sulphur coal;
高硫煤团聚脱硫工艺参数优化
Due to the great specific surface and surface energy, there are special domino effects that the powders are very easy to aggregate.
但因其具有极大的比表面积和表面能,因而极易团聚,致使其在应用中无法发挥纳米陶瓷的优异性能,但通过对纳米陶瓷表面改性可改善这一状况。
Therefore hard aggregate was retarded in α phase transformation process.
利用NH4Cl其分解时释放气体的特点控制以碳酸铝铵为前驱体的氧化铝α相变过程中的团聚。
The forming mechanism and the control of agglomerate are also concisely discussed.
ZrO2是结构陶瓷和功能陶瓷重要的原材料之一,有关纳米ZrO2粉体制备方法的研究有很多,本文介绍了近年来研究较多的液相制备纳米ZrO2粉体的方法,并对制备过程中粉体团聚的形成与控制做了简要论述。
A technique of preparing nano Al 2O 3 powder by wet chemical method in supersonic field was studied, the effects of supersonic radiation on the formation and reunite of the grains were discussed, and the influence of different supersonic frequency on the agglomerate of the powder was researched.
研究了超声场下湿法制备纳米Al2 O3粉体的工艺 ,探讨了超声对颗粒的形成和团聚的影响 ,讨论了不同超声频率对粉体团聚的影响。
The results showed that ultrasonic energy can speed up the nucleation of the precursor, ultrasonic dispersion can control the growth and agglomerate of the crystal nucleus, ultrasonic vibration can also affect the process of the transformation into gel during the process of aging, and was easy .
将超声波应用于湿法制备氧化铝纳米粉工艺过程 ,探讨了超声作用机理 ,研究了超声辐射对颗粒的形成和团聚以及干燥过程的影响 研究表明 ,超声能量能加速前驱体的形核 ,超声分散可控制晶核的长大和团聚 ;超声振动还能影响陈化过程中的沉淀向凝胶的转变 ,易得到疏松三维网络状结构 ,这样的凝胶结构有利于最后得到疏松、少 (无 )团聚的纳米粉
The experimental results indicate that the large agglomerates of SiO_2 nano -particles can be broken up through the vibration of the coarse magnets under AC oscillating magnetic field.
研究了纳米SiO_2在添加磁性大颗粒磁场流化床中的流化性能,实验中通过测量其床层膨胀曲线、床层压降曲线以及塌落曲线表明:磁性大颗粒在交变磁场下的振动作用可以破碎流化床中纳米SiO_2的大聚团,使床层压降和床层膨胀明显增大,流化质量获得显著提高。
The effects of sound wave on the fluidization behaviors and agglomerate size were discussed.
在内径为56 mm的声场流化床中,以超细颗粒二氧化硅为实验物料,在声压水平为90~105 dB系统内考察了声波对超细颗粒流化行为和聚团尺寸的影响,并根据粘性颗粒聚团在流化床中的能量平衡分析,建立了能量平衡模型。
With increasing the superficial gas velocity, slugs and channels vanished, whilst the bubbling in bed was intensified obviously, and there existed a distribution of agglomerate sizes, namely, the agglomerates sizes were small in the upper zone and lar.
振动有效地减小了聚团尺寸,提高了床层的气含率,明显改善了流化效果。
emotional, touching, etc reunions
令人感动的、 激动的...团聚
De-aggregation of nano-TiO_2 soft agglomeration in aqueous medium
水相介质中纳米TiO_2粒子软团聚体的解团聚
The moon and moon cakes also show that it is a time for family reunion.
月亮和圆形的月饼代表团团圆圆，因此中秋节又是家族团聚的日子
Study of the Agglomerate Dispersion in Polymer under Shear;
剪切取向下粘性聚合物系中团聚体分散的研究
Modelling of spray agglomeration of particles from coal combustion based on the rapid coagulation theory
基于快速聚沉理论的燃煤颗粒物化学团聚模型
The Improvement Effect of PAM on Soil Waterstable Aggregates in Purple Soil
聚丙烯酰胺对紫色土水稳性团聚体的改良效果
The fluorescent powder was easy to generate "gobbet".
粉体在纺丝时最易产生“团聚”现象。
soil-aggregate stability
干旱土壤团聚体的稳定性
The Spring Festival is a time for family reunions and feasts.
春节是一家人团聚欢宴的日子。
Is there a sight more heartwarming than a family reunion?
还有比家人团聚更感人的场面吗？
lump together all the applicants.
把所有的申请者聚成团。
To cohere or form a mass.
凝聚成一团或形成一堆。
To cause(soil)to form lumps or masses.
凝聚使（土壤）形成块或团
difunctional comonomer
二官能[团]共聚单体
To form or collect into a rounded mass.
使成团，使结块，使聚结使形成或聚集成圆的团块
To put together in a single group without discrimination.
聚成团不加区别地聚集在一个群体里
The act or process of gathering into a mass.
凝聚作用聚结成团块的行为或过程
To gather into a mass, sum, or whole.
使聚集，使积聚使聚集成团块、总体或整体