1) trace calcium
痕量钙
1.
Directly mensurate trace calcium content of saturated brine in ICP-AES;
ICP-AES法直接测定饱和盐水中的痕量钙
2) lime soap streak
钙皂垢痕
3) trace
[英][treɪs] [美][tres]
痕量
1.
Recent Progress of Inorganic Trace Analysis by Mass Spectrometry;
质谱的无机痕量分析进展
2.
Determination of Trace Phosphine by Gas Chromatography;
气相色谱-氮磷检测器分析痕量磷化氢
3.
Determination of ultratrace plumbum by catalytic spectrophotometry;
催化光度法测定超痕量铅
4) trace and ultra trace elements
痕量超痕量元素
5) amount of calcium
钙量
1.
Puttinglanthanum as the release agent and determining amount of calcium by using atomic absorption method.
研究了硝酸、氢氟酸分解硅铁试样，高氯酸冒烟驱尽剩余的氢氟酸，在酸性介质中以镧为释放剂，原子吸收法测定钙量，通过与ＥＤＴＡ铬合滴定法的对比，说明原子吸收法准确度更高，操作简
6) trace element
痕量元素
1.
A review on the determination of trace elements in cigarette smoke;
卷烟烟气中微量和痕量元素研究综述
2.
Geochemistry of trace elements in coal from North Shanxi Province to North Ningxia Huizu Autonomous Region;
晋北-宁北煤中痕量元素的地球化学特征
3.
Determination of trace elements in copper-zinc alloy by ICP-MS;
ICP-MS测定铜锌合金中痕量元素
补充资料：硼钙石,水化硼酸钙,硬硼钙石
CAS：12007-56-6
分子式：B4CaO7
中文名称：四硼酸钙；硼酸钙；硼钙石,水化硼酸钙,硬硼钙石
英文名称：Boron calcium oxide；Calcium borate；boric acid (h2-b4-o7), calcium salt ；boron calcium oxide (b4cao7)；calcium tetraborate；colemanite
分子式：B4CaO7
中文名称：四硼酸钙；硼酸钙；硼钙石,水化硼酸钙,硬硼钙石
英文名称：Boron calcium oxide；Calcium borate；boric acid (h2-b4-o7), calcium salt ；boron calcium oxide (b4cao7)；calcium tetraborate；colemanite
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