等径的

The introduction of the acrylic or methacrylic acid in middle layer is helpful to obtain a latex with smaller particle size and more narrow particle size distribution.

本文对聚合工艺、乳胶粒中间层分率和软硬单体比例、官能团单体含量等对GAD室温自交联乳液的粒径及分布的影响进行了研究。

Davidii seedlings. Two-month-old seedlings were grown under water supply regimes of 100, 80, 60, 40 and 20% water-holding capacity, respectively, in an open-sided greenhouse.

结果显示，胁迫处理96d后，100% WHC条件下白刺花幼苗的总叶面积、分枝数、基径及最大根长等均最大；80% WHC对幼苗产生了轻度胁迫，随着干旱胁迫强度的进一步增加，幼苗生长显著减小。

Because the horizontal lathe craft scope is quite widespread, may in the turning the outer annulus cylinder, the circular conical surface, the ring channel, the solid of revolution formation surface, the turning end surface and each kind of commonly used metric system, the British system, the mold notational system, the pitch system thread, but also may carry on drills the center bore, the drill hole, the broaching, reams, work and so on tapping, wrap thread and knurling.

因为卧式车床的工艺范围相当广泛，可以车削内外圆柱面、圆锥面、环形槽、回转体成型面，车削端面和各种常用的公制、英制、模数制、径节制螺纹，还可以进行钻中心孔、钻孔、扩孔、铰孔、攻螺纹、套螺纹和滚花等工作。

Investigation was focused on the effect of content, fineness and surface treatment of Mg2 as well as flame-retardant synergist on mechanical properties and flame-retardant properties of the system.

探讨了Mg_2阻燃剂用量、粒径大小、表面处理方法及与红磷的阻燃协同效应等对体系力学性能、阻燃性能的影响。

The effects of flame retardant agent and toughener on the property of the prepared engineering plastics were studied.

工程塑料用PET结晶性能的改善大都是通过添加成核剂、增塑剂等助剂来实现，但由于添加剂价格昂贵，且依赖进口，成为制约其大规模应用的一个瓶径。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。

Based on the Duncan's multiple range test, there was obvious difference in all above mentioned fruit quality index among the fruit received from different pollinators, indicating the distinct pollen xenia for plum.

经Duncan多重比较分析，黑宝石李的坐果率、单果质量、纵横径、可溶性固形物、果实形状等方面不同品种授粉以及与自然授粉存在显著或极显著差异，表现出明显的花粉直感现象。

The structure and physicochemical performance of nanocapsules,such as particle size,rate of capsulation,Zeta potential, heat-sensitivity and pH-sensitivity are also reviewed.

从纳米胶囊的粒径控制、包裹率、Zeta电位、热敏性和酸碱敏感性等方面分析了制备方法对纳米胶囊结构性能的影响。

Indicators of mensuration include: The flower diameter, evaporation, water quantity, water balance, the rate of fresh weight change in the storage period of Dianthus Caryophyllus.

测定的指标包括：香石竹贮藏期间的花径、蒸发量、吸水量、水分平衡以及鲜重变化率等。

The results are showed as follows:the appearance of Luota karst forest community is characterized by the middle and lowphaneropytes such as Cyclobalanopsis glauca, Lithocarpus glaber, et al. The structure ofthe community is generally composed of tree layer, shrub layer and herb layer. Thedominants are Cyclobalanopsis glauca, Lithocarpus glaber, Dendrobenthamia capitata, et al.There are 36 tree, shrub and vine species in this community. The individnal height isincreased as pyramid, the volume has the same results.

结果表明：喀斯特森林木本植物群落的外貌由青冈栎、石栎、头状四照花、五裂槭等中、小高位芽植物决定，其结构一般分为乔木层、灌木层和草本层，上风种有青冈栎、石栎、头状四照花和五裂槭；组成该群落的木本植物有36种；个体高度呈金字塔增长趋势，径级结构也有类似结果；在水平分布上，上风种为集群分布，常见种则为随机分布。

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。