1) Preconcentration
['pri:kɔnsen'treiʃən]
预富集
1.
Preconcentration and Separation of Trace Silver with Crosslinked Chitosan and Determination by GFAAS;
交联壳聚糖预富集分离-石墨炉原子吸收光谱法测定痕量银(Ⅰ)
2.
Determination of Al,Cu,Cr,Ni and Mn in High Purity Silver by ICP-AES with Micro-Column Preconcentration;
微柱预富集ICP-AES测定高纯银中铝、铜、铬、镍和锰
3.
Preconcentration with Crosslinked Chitosan for Determination of Trace Manganese in Waters by Flame Atomic Absorption Spectrometry;
交联壳聚糖预富集火焰原子吸收光谱法测定水中总锰
2) Enrichment
[英][in'ritʃmənt] [美][ɪn'rɪtʃmənt]
预富集
1.
Determination of Mercury in Beverages by Cold Vapour-atomic Absorption Spectrometry after Enrichment;
预富集-冷蒸气原子吸收光谱法测定饮料中的痕量汞
2.
Determination of Trace Lead in Beverages by Hydride Generation-Atomic Absorption Spectrometry after Enrichment;
预富集-氢化物发生原子吸收光谱法测定饮料中的痕量铅
3.
Determination of Cadmium in Tap Water by Resin Suspension Introduction Graphite Furnace Atomic Absorption Spectrometry after Enrichment;
预富集-石墨炉原子吸收法测定自来水中痕量镉
3) pre-concentration
预富集
1.
Uranium pre-concentration in Miaogou Formation,Lower Cretaceous and its prospecting significance in Chaoshui basin;
潮水盆地下白垩统庙沟组铀的预富集及其找矿意义
2.
It is necessary for pre-concentration to increase the grade and have a good recovery.
为提高入选冶金锰的品位和保证较高的回收率,进行选矿预富集是必要的。
3.
The adsorption behavior of potassium hexatitanate for Cr(Ⅲ)was studied,and a new method for pre-concentration and separation of Cr(Ⅲ)in water was put forward using its whisker as concentration agent.
研究了六钛酸钾对于Cr(Ⅲ)的吸附性能,提出了用六钛酸钾晶须作为富集剂,预富集、分离水中Cr(Ⅲ)的新方法。
4) pre-enrichment
预富集
1.
Cold atomic absorption spectrometry determination of trace mercury in water after pre-enrichment;
预富集-冷原子吸收光谱法测定水中的痕量汞
2.
Study on simultaneous determination of zinc and copper by flame atomic absorption spectrometry after pre-enrichment with nanometer titanium dioxide
纳米二氧化钛预富集火焰原子吸收光谱法同时测定锌铜的研究
3.
This type of separator has satisfactory effect on the discarding tails and pre-enrichment of small size ores.
本文对CTG干式磁选机设计问题进行了探讨,详细分析了其结构特点和磁系特性,该设备对于小粒度粉矿抛废、预富集具有良好的效果,在很多选厂得到成功的应用,尤其对于干旱缺水地区的低品位磁铁矿的预富集,具有广阔的应用前景。
5) uranium pre-enrichment
铀预富集
1.
95×10~(-6), it shows that the sandstone has an obvious characteristic of uranium pre-enrichment.
95×10~(-6)，具有明显的铀预富集特征；低铀质量分数样品U-Pb等时线年龄为(177±16)Ma，它是直罗组沉积时就有铀预富集强有力的证据。
6) on-line preconcentration
在线预富集
1.
On-line preconcentration ICP-AES was used to determine the trace amounts of cadmium in biological samples.
本文报道了采用国产Ｄ４１２螯合树脂的在线微型螫合树脂柱预富集分离ＩＣＰ－ＡＥＳ法测定痕量镉的技术，选择了最佳的在线预富集条件，对生物标准参考物质中的痕量镉进行了测定，结果与标准值吻合。
补充资料：设备安装前的准备工作——设备的预装配与预调整
设备安装前的准备工作——设备的预装配与预调整 | ||
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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