| 单词 | pre-concentration |
| 释义 | 例句释义: 预富集,预浓缩,浓缩富集,前浓缩,预先 1. This method achieved a very low limit of detection by pre-concentration to satisfy the requirement of detection of trace estrogens in water. 该方法主要针对水中的痕量雌激素，采用对样品进行富集和测定，从而大大地降低了检测限。 paper.pet2008.cn 2. Research of Conditions of Trace Plumbum Pre-Concentration from Water on a Cylinder of Activated Carbon Using Dithizone as a Chelating Agent 双硫腙-活性炭柱富集分离水中痕量铅的条件研究 www.ilib.cn 3. Application of Pre-concentration of hematite and Exploration of a New Magnetic Separation Technology at Gushan Mine 姑山赤铁矿预选工艺的应用及磁选新工艺的探索 ilib.cn 4. Simultaneous Determination of Trace Nb, Ta, Zr, Hf in Geological Samples by AES after Separation and Pre-concentration with Tannic Cotton 丹宁棉分离富集-发射光谱法同时测定地质样品中微量铌钽锆铪 www.ilib.cn 5. Dynamic Pre-concentration of Light Hydrocarbons at Room Temperature 低碳烃的常温动态预浓缩方法 www.ilib.cn 6. Flow Injection On-line Double Micro-column with Chelating Resin Pre-concentration System for Cu, Pb, Cd and Mn Determination by FAAS 流动注射在线螯合树脂双柱预富集火焰原子吸收法测定痕量铜、铅、镉和锰 www.ilib.cn 7. On-line and Dual Pre-concentration Technique for Large Volume Injection in Capillary Electrophoresis 毛细管电泳大体积进样在柱复合富集技术 service.ilib.cn 8. 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 www.ilib.cn 9. On-line Sample Pre-concentration Methods in Capillary Electrophoresis 毛细管电泳中样品在线预富集方法 service.ilib.cn 10. Progress in Indium Recovery and Pre-concentration Technology 稀散金属铟富集与回收技术的研究进展 kimberye.bokee.com 1. The Pd Pre-concentration Method by Alkalescence Anion Resin and Determination of Trace Pd by GFAAS 树脂分离富集-石墨炉原子吸收测定痕量钯 www.ilib.cn 2. Study on a new process for pre-concentration of coarse lean ore 贫矿粗粒预选新工艺的研究 ilib.cn 3. Dynamic Pre-concentration Method of Gas Sample 气体样品的动态预浓缩方法 www.ilib.cn |
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