In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering . 在许多斑岩铜矿矿床中,地表风化使得金属铜进一步富集。
The infectivity is quantified by counting the number of infective centers such as plaques pocks and foci . 应用计算感染点数目来确定其传染性,如蚀斑,痘疱及病杜数。
For bacterial leaf spots, the classical symptoms are circular, angular, watersoaked areas on the leaves . 细菌性叶斑病的典型症状是叶子上出现圆斑、角斑或水浸状叶面。
These unusual celestial bodies are composed of single or multiple nebulous patches, some nearly stellar in appearance . 这些异常天体,由单个或多个星云状斑组成,有的外形近于恒星。
When symptoms are necrotic, never wait until necrosis is widespread or hardly any virus will be extracted, if at all . 如症状是坏死类型,切勿等到坏死斑扩展,否则,即便提取也很难提出病毒。
Because the chromatophilic substance gives the neuron cell body a tigroid appearance, it is often referred to as tigroid bodies . 因为嗜色质使得神经元的细胞体出现虎斑状外观,故常称为虎斑小体。
The hands of the old men were gnarled and brown, spotted with sun blotches, and the palms and fingers were deep cut and scarred by the handlines . 老年人的手疖疖疤疤,还有太阳晒出来的疮斑,颜色发褐。手掌和指头上全是叫渔绳勒破的道道和痂痕。
Toxic effect of lead pollution on porphyra yezoensis 铅污染对条斑紫菜的毒害影响