1)  elemental
元素单质
1.
Using element Pb foil,Te powder and Se powder as reaction sources,ethylenediamine as the chelating reagent,PbE(E=Te,Se) microcrystals with different morphology were synthesized by an elemental solvothermal route.
元素单质Pb片,Te粉,Se粉为原料,乙二胺为螯合剂,采用元素溶剂热反应合成出不同形貌的PbE(E=Te,Se)微晶。
2)  Eemental solvothermal
元素单质溶剂热法
3)  element
元素
1.
Determination of impurity elements in pure copper by constant current electrolysis-ICP-AES;
恒电流电解-ICP-AES法测定纯铜中杂质元素
2.
Simultaneous Determination of 14 Elements in Vegetables by ICP-MS with Microwave Digestion;
微波消解ICP-MS法同时测定蔬菜中14种元素
3.
Determination of 16 mineral elements and acrylamide in barley tea samples produced in three different regions of China;
不同产地大麦茶中16种元素及丙烯酰胺含量分析
4)  elements
元素
1.
A Preliminarry Discussion on the Analysis Methods for Inorganic Elements Used in the National Investigation Program of Soil Pollution;
全国土壤污染状况调查样品元素分析测试技术探讨
2.
To Measure Variety Elements in the Soil and Mud by X-ray Fluorescence Spectrographic;
X射线荧光光谱法测定土壤及底泥中多种元素
3.
Concentration and distribution of elements in coals from DPR Korea;
朝鲜煤中元素含量及分布
5)  beryllium
Be元素
6)  As
As元素
1.
Releasing of As in Coal and Fly Ash of Chongqing Power Plant under Organic Acid Conditions;
重庆电厂炉前煤及飞灰中As元素在有机酸作用下的淋滤行为
参考词条
补充资料:单质肥料
分子式:
CAS号:

性质:又称单质肥料或单元肥料。在氮、磷和钾植物三大主要营养元素中只含一种可标明含量的肥料,即氮肥、磷肥和钾肥。硫酸铵含营养元素氮和硫,但标明含量的只是主要营养元素氮,所以硫酸铵仍属单质氮肥。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。