污泥中重金属对环境危害的大小，很大程度上取决于其形态分布。
The negative impact of heavy metals in sludge is largely determined by its morphology distribution.
他们首先确定与食品及食品成分有关的危害性，然后评价危害发生时风险的大小。
They first identify hazards related to foods or food components and then estimate the size of the risk that the hazard will occur.
需要注意的是并没有说明食用这种食品危害性的大小。
Note that this says nothing about the size of the risk however.
其危害程度取决于噪音强度大小和接触时间的长短。
The hazard depends both on the intensity of the noise and the duration of the exposure.
红脂大小蠹是我国一种危害油松等松树的外来入侵物种。
Dendroctonus valens is a dangerous insect pest of several pine species in China.
采用标准地调查和单株调查的方法，研究了红脂大小蠹的发生和危害规律。
The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.
目的研究氮封拱顶化工储罐“大小呼吸”过程中的职业危害特征。
Objective To study the occupational hazards characteristics in the process of big and small breathing loss on nitrogen sealed vault tank.
大小蠹是林木害虫中危害最严重的一个类群，全部种类都是经济种，均可以直接造成林木资源的巨大损失。
Dendroctonus is one group of most serious forest pests, all of which are economic species, and could directly cause great losses of forest resources.
报道了与危害中国秦岭华山松的华山松大小蠹相关的真菌新种，描述了其有性阶段和无性阶段的形态特征。研究标本保存于西北农林科技大学。
During a recent survey of fungi associated with bark beetle in Qinling Mountains of China, a new species was isolated, and the aim of this study was to describe this fungus.
珊瑚礁也要面对海洋酸化带来的危害，海洋酸化是二氧化碳水平提高给海洋造成的不同于其他生态系统气候变暖的另一种影响，而这种影响的大小还无法不确定。
Reefs may also face damage from ocean acidification, an effect of higher CO2 levels rather than of warming, as may other ecosystems, though the size of the impacts is uncertain.
珊瑚礁也要面对海洋酸化带来的危害，海洋酸化是二氧化碳水平提高给海洋造成的不同于其他生态系统气候变暖的另一种影响，而这种影响的大小还无法不确定。
Reefs may also face damage from ocean acidification, an effect of higher CO2 levels rather than of warming, as may other ecosystems, though the size of the impacts is uncertain.
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