The results show that a kind of grafted copolymer can form in situ through reactive extrusion in the alloy system consisting of high density polyethylene and polystyrene at a mass ratio of 70.0 ∶ 30.0. The addition of styrene monomer favors the formation of the grafted copolymer. 结果显示对于质量比为70.0∶30.0的高密度聚乙烯/聚苯乙烯合金体系,通过反应挤出,可以就地生成接枝共聚物;苯乙烯单体的加入有利于接枝物的形成;
Fe_3O_4/ PANI nano-composites were prepared through in situ reaction. The microwave electromagnetic characteristic and the absorption property of the specimens in 2~ 18 GHz and the effect of composite material composition on electrical conductivity and density were analyzed. 用原位化学反应生成法制备了纳米Fe3O4/PANI复合材料,研究了样品在2~18GHz范围的微波电磁特性与吸收性能以及复合材料组分对电导率、密度的影响。
Methods: Hybridization in situ and image analysis were used for determination of cummulative optical density and area of POMC mRNA in the cortex, hippocampus and hypothalamus. 方法:以原位杂交结合图像分析的方法检测大脑皮层、海马、下丘脑前阿黑皮素信使核糖核酸(POMCmRNA)的积分光密度和面积。
We briefly discuss point source and receiver technology, analyze the high density spatial sampling in situ method, introduce the symmetric sampling principles presented by Gijs J. 0. Vermeer, and discuss high density spatial sampling technology from the point of view of wave field continuity. 本文简要说明了点激发和点接收技术,分析高密度空间采样的野外工作方法,介绍了Gijsj.o.Vermeer提出的对称采样原理,从波场连续性的角度探讨了高密度空间采样技术。
Application and Evaluation of Additional Mass Method for Testing In Situ Density in Xiaolangdi Project 测原位密度的附加质量法在小浪底工程中的应用与评价
It is necessary to solve in situ how to detect inclined formation, fractures, and their density and orientation. 如何利用声波测井检测倾斜地层、探测裂缝性储集层以及裂缝的密度和走向等,都是实际工作中迫切需要解决的问题。
The new technology in situ measurement of roadbed compaction density 路基压实密度原位测试新技术
The main influencing factors of the H2O2 in situ generation, including current density, oxygen flow, concentration of supporting electrolyte and electrode distance, had been examined and analyzed in this work. 对电流密度、pH值、通氧流量、支持电解质浓度和极间距等主要参数对生成H2O2的影响进行了单因素轮换试验研究,并采用正交试验方法对这些因素进行了分析。
Results of immunohistochemistry and in situ hybridization were analyzed by Image-Pro Plus image analysis software. Integrated optic density ( IOD) of positive cells in same area of aorta from each group were calculated respectively. 将免疫组织化学和原位杂交结果应用Image-PROPLUS图象分析软件,分别计算各组主动脉组织相同面积内阳性细胞的累积光密度值(integratedopticdensity,IOD)。