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The average particle size and zeta potential of polyplexes were 173.4nm and 23.2mV,respectively. 复合物平均粒径为173.;6nm;平均电位为23
The average particle size of APU latex based on DMBA is larger but with narrower distribution than that based on DMPA. 以DMBA为内乳化剂制备的APU乳液粒径大而分布窄。
The particle size distribution is narrow with the little effect of OVS on average particle. 乳液的粒度分布较窄，平均粒径受OVS的影响较小。
The results showed that average particle size of PLNs was significantly larger than that of initial cationic liposomes. 结果显示，复合物平均体积显著大于带阳离子的脂质体。
The average particle velocity and concentration for the flotsam and the jetsam were unequal in the radial and axial directions. 随着表观气速的增大，颗粒浓度沿径向和床高分布趋于均匀。
The result shows that the average particle size reach to nano-level,furthermore,the product shows good uvioresistant performance and fa... 结果表明:样品的平均晶粒大小达到了纳米级,而且它的抗紫外效果好、耐洗牢度也很强,因此有望在实际中得到应用。
In a certain concentration range, the polymerization rate and average particle size increased with increasing the concentrations of styrene and divi... 稳定剂浓度的增大;使粒径减小;粒子数目增加;而对粒径分布和聚合速率的影响不大.
In the condition of low particle concentration, the desanding ratio increased with increasing average particle concentration. 在颗粒相浓度较低时，随着平均颗粒体积浓度的增加，除砂效率也增加。
The average particle diameter of CSF was smaller than those of SRF and HAF, and its specific surface area and DBP absorption factor was higher obviously than those of the latters. CSF炭黑的平均粒径小于SRF和HAF,但其表面积和DBP吸油值明显高于后者。 CSF炭黑对天然橡胶、丁苯橡胶、丁腈橡胶、氯丁橡胶的补强效果与SRF相当,其配合量应小于50份。
Average particle size of BaCO 3 and aggregation of TiO 2 of domestic are analysized, thereupon requirement to match ave rage sizes of both BaCO 3 and TiO 2 is set up. 对国产BaCO3的平均粒径以及TiO2的团聚情况进行了分析，提出了两者平均粒径相匹配的要求
Sample with a higher DI value can be extruded easily and corresponded to a small average particle size.However no correlation was observed between pore structure and DI value. 发现平均粒度小和成型效果好的样品有较大的酸分散指数，但酸分散指数与样品的孔结构无直接关系。
Physical properties such as electrical conductivity, microhardness, coercivity, and permitivity decrease in proportion to the average particle size of a material. 随着材料平均颗粒尺寸的下降，诸如电导率、显微硬度、矫顽磁力和电容率等物理属性将成比例的减少。
The effect of different kinds of lecithin, FT times and addition of chelating agent on the amount of encapsulated ferrous per gram lipid(EPL) and average particle size were investigated. 研究了不同种类的卵磷脂、不同冻融次数以及螯合剂的添加对脂质体的包埋量和平均粒径的影响。
The result showed that PBA-g-SAN was present in morphology of beaded chain with average particle size of 85nm,had high grafting ratio and the PBA phase was partly compatible with SAN phase. 结果表明,PBA-g-SAN以平均粒径为85nm的微粒连接成珠链状的形态存在,具有高接枝率,PBA相与SAN相部分相容;
By the methods of increasing or reducing the weight of the samples and drying the samples, the accuracy of the average particle size of tungsten products powders is raised with WLP-205 Sub-sieve Sizer. 采用WLP-205平均粒度测定仪,通过增重、减重及烘干的方法,提高钨制品粉末平均粒度测定结果的准确性。
The results showed that while -COOH% increased, the average particle size of the emulsion decreased, the stability of the emulsion increased, and the viscidity of the emulsion also increased. 结果表明：随着-COOH%25增加，乳液平均粒径变小，乳液稳定性增加，乳液的粘度也明显增加。
The result shows that the average particle size reach to nano-level, furthermore, the product shows good uvioresistant performance and fastness to washing, so it shows promising application in future. 结果表明：样品的平均晶粒大小达到了纳米级，而且它的抗紫外效果好、耐洗牢度也很强，因此有望在实际中得到应用。
The effects of the molar ratio of NCO/OH groups on the chemical structure and the properties were discussed.The average particle size,the measurement of ratio of absorbing water were measured. 研究了NCO/OH摩尔比对水性聚氨酯粒子尺寸、胶膜耐水性、乳液的电解质稳定性、胶膜的机械性能的影响。
Making use of the water heat synthesization method, air current comminution method and classification filtration composite technique has preparated even crystal of HA,average particle size is 280nm. 利用水热合成法、气流粉碎法和分级筛分等多种技术制备了粒径均一的HA晶体，平均粒径为280nm。
The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。