With the increase of extraction time , the amount of cufemnzn adsorbed by imported anion resin membrane increased 用dtpa饱和的进口阴离子树脂膜吸附的铜铁锰锌含量随吸附时间的延长而增加。
The total amount of ion exchange state , carbonate state and ferric - manganese oxidation state has very little effects on full selenium 二者的离子交换态、碳酸盐态和铁锰氧化态硒含量加和对全硒的影响很小。
Method for chemical analysis of antimony - beryllium pellets . determination of lead , iron , manganese , magnesium contents . atomic absorption spectrophotometric method 锑铍芯块化学分析方法.原子吸收光谱法测定铅铁锰镁量
Soil quality - determination of copper , iron , manganese and zinc contents - extraction by means of ammonium acetate in presence of edta 土质.铜铁锰和锌含量的测定.在有乙二胺四乙酸edta存在的情况下用乙酸铵提取法
Sampling and analysis of iron , steel and other ferrous metals - methods of analysis - determination of manganese - ferromanganese and ferrosilicomanganese : potentiometric method 铁钢和其他铁合金的抽样和分析.分析方法.锰的测定.铁锰合金和硅锰铁合金:电位滴定法
Lanthanum oxide , cerium oxide , neodymium oxide , gadolinium oxide - determination of cobalt , iron , manganese , nichel , copper , ckromium , lead and zinc in oxides contents - emission spectrographic method 发射光谱法测定氧化镧氧化铈氧化钕氧化钆中钴铁锰铅铬镍铜锌的氧化物量
Sampling and analysis of nickel , ferronickel and nickel alloys - method for determination of silver , bismuth , cadmium , cobalt , copper , iron , manganese , lead and zinc in nickel by flame atomic absorption spectrometry 镍镍铁和镍合金的取样与分析.第1部分:采用火焰原子吸收光谱法对镍中银铋镉钴铜铁锰铅和锌的测定方法
Chemical analysis of copper . determination of silver , arsenic , bismuth , cadmium , cobalt , chromium , iron , manganese , nickel , lead , antimony , selenium , silicontin , tellurium and zinc . method for atomic absorption spectrometric with electrothermal spraying 铜的化学分析.银砷铋钙钴铬铁锰镍铅锑硒硅碲和锌测定.电热喷射原子吸收光谱法
Then , the paper suggested that the good mashan manganese grain with strong adsorption has a better effect on removing fe ( superscript 2 + ) and mn ( superscript 2 + ) at the same time , while fiber ball and quartz grain are not suitable for removal of mn ( superscript 2 + ) 其次，吸附能力较强的优质天然马山锰砂滤料有较好的同时去除铁锰的效果，而纤维球和石英砂则不适宜除锰。
This paper reviews the formation and feature of iron and manganese plaque , alleviation of metal ( loid ) toxicity via adsorption and accumulation , eutrophication purification , plant acid proof and barren resistance 文章综述了植物根表铁锰氧化物的形成与特征，对有害金属和类金属污染物、有机污染物的吸附和富集作用，对富营养化水体的净化作用，以及提高植物的耐酸和耐贫瘠能力。
