1) typochemical element
标型元素
2) elementary character
元素标型
1.
According to comparative research on elementary character for sediment of Antarctic West Lake, fresh penguin dropping as well as guano soil of Ardley Peninsula and Pacific Island in South China Sea, it presents that the Y2 Lake sediment had been amended by penguin dropping.
元素的聚类分析结果表明该粪土的元素标型组合包括 P、S、Sr、Ba、Cu、Zn、Se、Ca和 F等 9种元素。
3) bio-elements
生物标型元素
1.
Two different sections can be distinguished from this core by appearance judge and elements concentration: the upper 17cm section contains penguin bones and feathers, and bio-elements such as P、Mg、Cu、Zn、Cd and Ni have higher concentration in this section, indicating more influence from penguin activities.
该沉积柱从元素含量特征和物理外观可以分为两个明显不同的沉积阶段,其中上部17cm含有企鹅残骨、羽毛等,P、Mg、Cu、Zn、Cd、Ni等生物标型元素含量较高,表明受到企鹅活动影响较大。
4) internal standard element
内标元素
1.
Ge is elected as the internal standard element,and the Ag,B,Sn,Mo in the samples are quantitative determined.
样品以焦硫酸钾、氟化钠、三氧化二铝和碳粉为缓冲剂,改善各元素的蒸发行为,采用较短的摄谱时间,大大降低光谱背景,以两根装样电极两次重叠摄谱,分别对长波、短波相板采用不同显影时间,以锗作为内标元素,实现了试样中银、硼、锡、钼的同时定量测定。
2.
Ba is used as internal standard element.
采用发射光谱法,在6A电流作用下,以Ba为内标元素,曝光45s,激发摄谱,一次同时测定上述杂质此法经回收实验有良好的准确性,且简便、快速。
3.
Aluminium boron alloy dissolved by sodium hydroxide,add nitric acid to acidification,add internal standard element yttrium to eliminate the influence of physical factor,Standard curve by adding aluminous matrix would correct the disturbance of matrix effect,boron,silicon and iron of aluminium boron alloy was analyzed by ICP-AES.
铝硼合金经碱溶后,加硝酸酸化处理,加内标元素钇消除物理因素的影响。
5) internal standard elements
内标元素
1.
The adding internal standard elements has corrected the effects of matrix and interface efficiently.
考察了基体效应及接口效应对仪器测定灵敏度的影响,选择适当的待测元素同位素克服了质谱干扰,定量加入内标元素有效校正了基体效应、接口效应及仪器波动等因素而带来的测量偏差。
6) demarcating element
标定元素
补充资料：标型元素
分子式：
CAS号：
性质： 对某种地球化学环境或地球化学过程的性质具有标识性的元素，如锂、铍、铌、钽是伟晶岩的标型元素，汞、锑是低温热液矿化的标型元素。
CAS号：
性质： 对某种地球化学环境或地球化学过程的性质具有标识性的元素，如锂、铍、铌、钽是伟晶岩的标型元素，汞、锑是低温热液矿化的标型元素。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条