查询词典 FE

In this paper, firstly, a detail analysis、 study and discussion of the existing disposing-chlorine method were made, on this condition, a new method based on the way of oxidation and deoxidization was discussed, phosphoramidic acid chelate resin and DOOl cation exchange resin were chosen as framework materials, two kinds of new disposing-chlorine materials could be obtained by loading Fe~(2+) on the skeleton of the materials, the surplus residual chlorine was disposed by taking advantage of chlorine oxidizing Fe~(2+).

本文在对已有的余氯去除方法进行分析、研究、探讨的基础上，提出一种基于氧化还原方式的吸附除氯方法，实验以氨基磷酸螯合树脂和D001强酸性阳离子交换树脂为骨架材料，并对这两种材料载Fe~(2+)改性得到两种新型除氯剂，通过固载的Fe~(2+)与水中余氯(Cl_2、ClO~-、HClO)的氧化还原作用将水中的余氯除去。

A kind of Fe-Ti-C composite powder for reactive spraying was prepared with ferrotitanium and sucrose as raw materials. TiC/Fe composite coatings were synthesized and deposited by reactive plasma spraying.

以钛铁粉、铁粉和蔗糖为原料，采用前驱体热分解复合技术制备了Fe-Ti-C系反应热喷涂粉末，并通过普通等离子喷涂技术原位合成并沉积了TiC/Fe金属陶瓷复合涂层。

Two technology including nitrocarburizing process and salt nitrocarburzing process haver been adopted. Several conclusions were obtained: firstly, nitrided layers consist of two layers including the outer white layer, mainly ε and γ′ with favorite errosion resistance, the inner dark layer consist of α-Fe.

再往里为扩散层，扩散层与原始组织无明显区别，是过饱和含氮的α-Fe固溶体，比原始组织更易受腐蚀；(2)试样经长时间氮碳共渗后，渗层最表面会出现疏松，这是因为Fe原子向外扩散，在ε相内造成Fe原子空位，空位向内扩散，并可能在晶界上或某些晶体缺陷处堆积，以致造成空洞。

Result Macroelement such as P, K, Ca and Mg and microelement such as Fe, Mn and Zn were abundant in the leaves of A. annua L and the contents of heavy mental elements which were harmful to human were few. The average content of N, K, Ca, P, Mg was 32.6, 31.1, 8.94, 4.14, 3.02 g/kg resp., and the average content of Fe, Mn, St, Zn, Ni and SC was 406, 122.5, 57.7, 52.8, 3.60 and 0.069 mg/kg resp.

结果］黄花蒿叶中含有丰富的P、K、Ca、Mg等大量元素和Fe、Mn、Zn等微量元素，而对人体有害的重金属元素的含量少。N、K、Ca、P、Mg的平均含量分别为32.6、31.1、8.94、4.14、3.02g/kg，Fe、Mn、Sr、Zn、Ni、Se的平均含量分别为406、122.5、57.7、52.8、3.60、0.069mg/kg。

The results showed that the magnetizability of Fe3O4 magenetic powders decreased at high adding rate of Fe(superscript 3+)/Fe(superscript 2+).

结果表明，Fe(上标 3+)、Fe(上标 2+)加入速度过快，Fe3O4磁粉磁性降低。

Under the condition of the ratio of Fe~(2+)to Fe~(3+)and NaOH molarity constant,the effect of variation of main technological parameter such as reaction temperature,mixing speed,reaction time,pH value on Fe_3O_4 magnetic particle formation,shape and particle size was researched by the orthogonal experiment.

在Fe~(2+)、Fe~(3+)铁盐配比及NaOH摩尔浓度一定的条件下，用正交实验考察了反应温度、搅拌转速、反应时间、pH值等主要工艺参数的变化对Fe_3O_4磁粒子的形成、形貌及粒径的影响。

1 To mimic the active centers of tyrosinate iron enzymes whichcontain phenolate donors, new tripodal ligand, N-(2-hydroxybenzyl)-N, N-bis(2-benzimidazolymethyl) aminewhich contain imidazoleand phendate groups were designed and synthesized and its iron com-plexes 〓(2)(where Mim=N-Methylimidazole) and Fe 〓(3) were prepared andcharacterized by various spectroscopic methods.

1.1 为了模拟酪酸铁酶活性中心，设计并合成了含有酚羟基和苯骈咪唑基四齿配体N，N-(2-羟基苯)-N，N-二氨，并合成它的铁配合物：Fe〓、Fe〓〓(2)和Fe〓，并经各种谱学手段表征了这些铁配合物。

Because of Fe is an essential element in the biosynthetic pathway of tetrapyrroles in pigments, Fe(superscript 3+) fertilizers on the recovery of discolored layer was applied exogenously in the laboratory, and that brought about a pigmental convalescence.

因为Fe是生物体内合成上述4类吡咯类色素所不可缺少的微量元素，所以在实验室内对退色紫菜进行了外源性添加Fe(上标 3+)实验，发现该紫菜中的色素含量有明显提高。

The surface film formed at higher potentials consisted of oxides of Ni in predomination with some Fe and little Cr, while that formed at lower potentials was composed of oxides of Cr, Ni and Fe. The latter showed much higher resistance to caustic SCC.

这与较高电位下生成严重贫铬的Ni和Fe的氧化膜，而较低电位下生成由Cr、Fe、Ni的氧化物共同组成的表面膜密切相关。

Phase transformation and morphological change of blended powder of Fe and Si (The Proportionment of atom: Fe:Si=3:1) were studied during high-energy ball milling.

研究了Fe和Si（原子比为：Fe：Si=3：1）混和粉末在高能球磨过程中的物相转变和形貌变化。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了