... metal complex 金属络合物(由金属离子与电子给予体结合而成) metallic bonding 金属键(通过自由运动的价电子将金属原子连结起来的键) metallic element 金属元素 ...
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慢性乙型肝炎患者血清铁、镁、铜、锌检测及相关分析_医网打尽文献搜索 关键词:乙型肝炎;金属元素;比色法 [gap=1513]Keywords:hepatitis B;metal element;colorimetry
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学术文章--维生素C对醋酸铅所致小鼠血中金属元素变化的干预作用 关键词: 小鼠;醋酸铅;铅中毒;金属元素 [gap=1775]Key words : mice ;lead acetate ;lead poisoning ;Metal
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In chapter 3. By means of ion exchange chromatography, the micro amount of gallium was separated from common metal elements successfully, using strong base type anionic resin as stationary phase.
第三章报道了以强碱性阴离子交换树脂(717氯型)为固定相,用离子交换色谱法使稼选择性吸附并与常见干扰金属元素分离。
参考来源 - 稀散元素的分离富集行为及其原子吸收光谱法测定的研究Method: 32 samples with 1-3 ages were collected from cultivated fields of Zhejiang and 11 samples were collected from markets. The 11 mental element contents of samples were determined by ICP-MS or AAS.
方法:采集浙江人工栽培骨干基地一至三年生铁皮石斛11个种质32个样品,购买市场销售的石斛类药材11个样品;经湿法消化后采用电感耦合等离子体质谱法(ICP-MS)、原子吸收光谱法(AAS)测定11种金属元素含量。
参考来源 - 铁皮石斛中11种金属元素含量的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
许多超富集植物被发现于热带地区和亚热带地区,在那里,高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
镉是一种金属元素。
他们还发现,元素周期表中的第一号金属元素在室温下为气态。
They may also have found the first metal that is a gas at room temperature.
And en route we discovered that we can divide the Periodic Table into metals, 75% which is about 75% of the Periodic Table.
我们发现,我们能够将元素周期表划出金属,大概占。
Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.
举个例子,这个例子表明金属元素,第一族和第二族,与一些非金属元素,在这里,第五族,第六族,和第七族。
And, these are called semi-metals or metalloids.
这些元素被称作半金属或非金属。
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