等径的

Methods The physicochemical parameters of PEG-PHDCA niosomes were characterized in terms of particle size, zeta potential, surface PEG density and fixed aqueous layer thickness.

方法对纳米囊泡的理化性质包括粒径、zeta电位、表面固有水化层厚度、PEG表面密度等进行表征，进一步阐明其理化性质与纳米囊泡的补体消耗和巨噬细胞吞噬之间的关系。

Radius of a bend: take the biggest radius of a bend of a cable, oil pipe, gas pipe or water pipe as a reference value and leave 10% of the space as a margin.

内宽：选择较粗的一些电缆油管气管水管等，其外径之和作为拖链内宽的参照，并留有至少10%的宽度空间。

The great effects of soil solution chemistry on soil colloid generation and deposition were detected.

通过对土壤胶体释放，沉积速率、解离效率和解吸因数等行为因子的定量解析，描述自然土壤胶体的释放、稳定、沉积／分配动力学和热力学行为，考察土壤水溶液pH／离子强度、胶体粒径因素对土壤胶体释放、分配沉积行为的影响。

Using Maxwell equation, Stoke' s law and penetration wave and reflected wave basic theory, research compound materials particle size, proportion of mixture and preview length and others.

再取混合后的粉末，将三种不同重量比的混合粉末与环氧树脂依重量百分率浓度5 wt%、10 wt%、15 wt%和20 wt%混合均匀成四种浓度的试片。我们归纳发现复合材料在粒径变化、混合比例、试片长度等…。

Discussed the ratio of alcohol/water for dispersion medium, the polymerization temperature and stirs speed factor and so on to the polymerization system stability, microspheres particle size and its distribution influence.

考察了分散介质的醇水比、聚合温度及搅拌速率等因素对聚合体系的稳定性、微球粒径及其分布的影响。

The effects of the addition level,particle size and modification technology of silver-coated glass bead and the curing degree of electrically conductive silicone rubber on the electrical conductivity of silver-coated glass bead/silicone rubber composite were investigated.

研究镀银玻璃微珠的用量、粒径、表面改性工艺以及导电硅橡胶硫化程度等对镀银玻璃微珠/硅橡胶复合材料导电性能的影响。

It's difficult to sidetrack in the deep well in salt bed,especially the creep ing of the gypsum-salt bed,hole diameter reduction and collapsion etc.

在深井盐层中进行侧钻困难较大，膏盐层的蠕动、缩径、垮塌等不稳定性是侧钻的最大障碍。

The hexagonal-platelet Zr-Ce-SBA-15 materials were superior to the conventional SBA-15 of rod or fiber morphology in facilitating molecular diffusion when they were used in the adsorption, separation and catalysis processes.

与常规SBA-15相比，这种短孔道、大径轴比的六方板状介孔材料在吸附、分离及催化等领域中能更有效地促进分子的扩散传递。

In this paper, the principle of dynamic balancing for rice mill shafts is studied.

研究了碾米机主轴部件的去重动平衡原理，详细讨论了动平衡解耦原理、重径积计算中去重质量质心位置的轴向变动等问

November 16, 1904, a group of Argentine seamen boarded the South Georgia Island; January 1, 1905, they格里特维肯in Hong Kong to set up a weather station. July 4, 1908, the United Kingdom announced to the south of 50 degrees south latitude, 80 degrees West Drive to the east of the majority of the region, including the Falklands, South Georgia Islands and the South Sandwich Islands, South Shetland Islands, Argentina St. Cruz, a province, the southern provinces of Chile, Tierra del Fuego as a whole, and so on, are areas of British rule.

南乔治亚群岛由此得名。1904年11月16日，一批阿根廷海员登上南乔治亚岛；1905年1月1日，他们在格里特维肯港设立了一个气象站。1908年7月4日，英国宣布，南纬50度以南、西径80度以东的广大区域，包括马岛、南乔治亚群岛、南桑德韦奇群岛、南设得兰群岛、阿根廷的圣克鲁斯省一部、智利南方各省、整个火地岛等，均为英国统治区。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。