颗粒物内部为碳(carbon)——主要为燃烧过程的固体排放物;中间为 痕量金属元素 ( trace metals )——碳颗粒多孔表面迅速凝结与吸附燃烧气体形成的;外部为二次无机盐 (secondary inorganic components)一一颗粒物在空气中传...
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Surface water - Trace metals 地表水中微量金属
Tomato - Trace metals 番茄中微量金属
Trace Metals Standard 微量金属标准品
Oyster - Trace metals 牡蛎中微量金属
Baghouse dust - Trace metals 集尘灰中微量元素
Beef liver-Trace metals 牛肝微量元素
Trace Metals in Water 水中微量金属
Lake sediment - Trace metals 湖泊沉积物中微量元素
trace metals grade 药级或金属微量级
All living samples were digested by nitric acid, and all trace metals were determined by ICP-AES.
生物样品的消化采用单一的硝酸消化方法,所有样品的微量金属元素的检测均用ICP-AES方法进行。
参考来源 - 汕头附近水域水相及生物相微量金属的污染调查与评价According to the National Sea Water Quality Standard(GB3097-1997),the evaluation model for trace metals in seawater with gray cluster method was established.
参照《国家海水水质标准GB3097-1997》,通过灰类白化权函数确定海水水质分级界限及各参评指标对不同等级的聚类权,构建了海水中重金属的灰色聚类法综合评价模型。
参考来源 - 灰色聚类法评价长江口、杭州湾海域表层海水中的重金属污染程度Simulation results show that pH variation within the Changjiang Estuary has significant effect on solid-liquid partitioning of trace metals.
2.模拟结果表明,长江口微量金属固-液分配的pH效应显著,pH的升高增大了微量金属在泥沙中的分配,并可促使微量金属元素向泥沙固相中转移。
参考来源 - 长江口悬浮泥沙的吸附—解吸作用对元素固—液相态转化控制的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Iron and zinc are essential dietary trace metals required for a number of physiological and biochemical functions in the body.
铁与锌均为人体重要的必需微量元素,在人体中广泛分布并且都具有重要的生物学作用和生理功能。
A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body.
人类的头发主要由一种叫角朊的蛋白质组成,并含有水分及在身体其他部分也可找到的微量金属和矿物质。
Microorganisms can change the distribution of trace metals in the surroundings with their small volume, rapid propagating and huge specific surface area.
微生物以其体积小、繁殖快、具有巨大的比表面积等特点可以大大地改变微量金属在环境中的分布。
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