您要查找的是不是：
- Fundamental research has been carried out to use natural fibers, such as cotton, rice husk and straw, which are abundantly available and relatively cheap, to synthesize anion-exchange fibers for the removal of arsenic and fluorine from wastewater. 在我们开展的前期研究中，着眼于利用天然纤维素，如棉花、稻草壳、秸秆等来源广泛且经济廉价的原料，合成新型阴离子交换纤维，可望在废水处理中对砷、氟等阴离子起到高效的交换吸附作用。
- Surgical removal of part or all of the uterus. 子宫切除术将子宫的全部或部分通过外科手术切除
- The analysis showed a few grains of arsenic in the solution. 分析显示溶液中有几格令的砷。
- Surgical removal of all or part of a lung. 肺切除术，肺部分切除术对整个或部分肺的外科手术切除
- He consented to the removal of the flags. 他同意撤走旗帜。
- Removal of Arsenic from Fluosilicic Acid by Solvent Extraction 溶剂萃取法从氟硅酸中除砷的研究
- Surgical removal of part of the iris of the eye. 虹膜切除术手术切除部分虹膜
- Surgical removal of a nerve or part of a nerve. 神经切除神经或其一部分的外科节除手术
- A salt or ester of arsenic acid. 砷酸盐，砷酸酯
- Mg - Al anionic clay was prepared by coprecipitation and the hydrothermal method, and the removal of arsenate anions from the clay's aqueous solution was investigated. 利用共沉淀水热法制备了镁铝阴离子粘土材料,研究了其水溶液对砷酸根离子的去除能力。
- Our ultimate objective is the removal of all nuclear weapons. 我们的最终目标是消除所有核武器。
- Loss or removal of normal pigmentation. 褪色丧失或转移正常的着色
- Removal of Arsenic from Dispersed Drinking Water by Iron Oxide-coated Sand 运用涂铁砂粒进行分散式饮水除砷的效果
- The analysis show a few grains of arsenic in the solution. 分析显示溶液中有几格令的砷。
- A slight taper given a die to facilitate the removal of a casting. 转子嵌在模具上的细长拨销，使铸件容易被切割
- Keywords Fluosilicic acid;removal of arsenic;hydrometallurgical extraction; 氟硅酸;除砷;溶剂萃取;
- Surgical removal of all or part of the urinary bladder. 膀胱切除术全部或者部分膀胱的手术切除
- A Fluorescence Quenching Method for Determination of Arsenic? 荧光猝灭法测定痕量砷?
- The analysis showed a few grains of arsenic in the solution . 分析显示溶液中有几格令的砷.
- Surgical removal of all or part of the vagina. 阴道切开术阴道部分或全部移植的外科手术
