查询词典 FE

But when Fe/D113 precursor is pyrolysed in the range of 400-700℃, the crystal structure of the iron particle is different. The products are mainly iron oxides andα-Fe as Fe/D113 precursor pyrolysed at 500℃, and as the pyrolytic temperature increases to the range of 600-700℃,α-Fe and Fe_3C are observed. Meanwhile, Al_2O_3、MgO、MgAl_2O_4 were observed in Al/C, Mg/C, Al-Mg/C which were prepared from D113 resin at 1000-1300℃.

而在同样的条件下热解载铁树脂(Fe／D113)，热解产物中铁的晶体结构与热解温度有关，400℃热解产物为铁的氧化物；500℃热解产物为体心立方结构的单质铁；600-700℃的热解产物为bcc单质铁和铁的碳化物(Fe_3C)。1000-1300℃热解含Al、Mg及Al-Mg的D113树脂制得的Al／C、Mg／C、Al-Mg／C材料中Al、Mg主要以Al_2O_3、MgO、MgAl_2O_4形式存在。

The temperature range of phase transformation from γ-Fe to α-Fe is 300-550℃: the activity of carbon atoms in solid solution of α-Fe would be increased with increasing the annealed temperature, and the diffusion of carbon atoms results in analogue state of different Fe configurations.

Fe相向α-Fe相转变的温度范围为300-550℃；α-Fe固溶体中的C原子的活度随退火温度的提高而提高，C原子的扩散导致不同的Fe原子组态趋于一致。

0At% nanocrystalline alloys the Al〓Fe〓Mm and Al〓Fe〓Mm nanoscale particles appear in as-received state and the phase transformation dynamics of Al〓Fe〓Mm to α-Al〓〓Si was controlled by atomic lattice diffusion mechanism in high-temperature state.

指出：急冷态快凝Al-Fe-V-Si合金中Fe原子存在α-Al、α-Al替代固溶体及弥散α-Al〓〓Si金属间化合物三种组态；高温热曝露态Fe原子组态类型和相对含量有所变化。

After comparison of 30 and 50℃ treatments, AQDS were added into 3 kinds of microorganism biocoenosis from Jiling, Tianjin and Sichuan paddy soil, and it showed that AQDS could accelerate the reduction of Fe 10%-288%, meanwhile, temperature could accelerate the reduction of Fe 6%-17%. In axenic culture treatment of 6 kinds of bacterial strains from Sichuan and Jiangxi paddy soil, the maximum accumulation amount of Fe reduction rate was constant, the maximum reaction rate and ferric reduction rate of ferric strain JX-a08 all increased as temperature rose, which showed that bacterial strain JX-a08 were suitable to 50℃.

在30和50℃培养温度下，来源于吉林、天津和四川的3种水稻土微生物群落添加AQDS可使Fe还原的反应速率常数增加10%~288%，而温度变化的增加幅度仅为6%~17%；对分离自四川和江西水稻土中的6株铁还原菌的纯培养试验发现，菌株JX-a08的Fe最大累积量、还原速率常数、最大反应速率及铁还原率均随培养温度的升高明显增加，表明菌株JX-a08更适于在50℃下生长。

Subsequently, comparing the reductive dechlorination performance between the different bemetallic systems, such as Cu/Fe, Ag/Fe, Pd/Fe, and so on, for halogenated methane, 2,4-D, HCH and chlordane.

实验结果表明，Pd/Fe双金属催化体系对高浓度高卤代甲烷系列污染物并没有表现出优于Cu/Fe还原体系的还原脱卤性能。

The author also changes theproportion of Fe~(3+)、Cu~(2+) in total ions to study the complementariness of Fe~(3+)、Cu~(2+) in thesystem and proves that the replacement of the single catalytic ions with the complicatedSystem Fe~(3+)/Cu~(2+)/H_2O_2 has a good ability of the ability of counter assault against thechanges of pH value.

通过改变Fe~(3+)、Cu~(2+)在总离子中的不同比例，研究了Fe~(3+)、Cu~(2+)在体系中的相互补充、相互促进的作用，证明了用Fe~(3+)／Cu~(3+)／H_2O_2复合体系代替单一的催化离子能有效的对pH的变化起到很好的抗冲击的作用。

It can be obtained that the structure of liquid Fe〓Si〓 alloys changes to be more open with increasing Si concentration. The Gauss decomposition of radial distribution function exhibits a Gaussian peak at about r=0.370nm on RDF of pure liquid Si as well as Fe-Si alloys, which means there are Si-Si covalence both in pure liquid Si and Fe-Si alloys.

对纯Fe、纯Si和Fe-Si合金的径向分布函数的Gauss分解显示，在纯Si径向分布函数的r=0.370nm附近存在一Gauss峰，表明纯Si熔体中存在Si-Si共价键；而在Fe-Si合金径向分布函数的同一距离范围内也存在一Gauss峰，表明Fe-Si合金熔体中也存在Si-Si共价键。

Adding N, P could improve cucumber root activity, increased the absorptionof N, P and Mg, decreased that of K; Adding N improved the contents of Ca,Fe, Mn and Zn in leaves, and adding P accelerated absorption of cucumberroot to Fe. Adding K decreased the contents of N, P in leaves, but increased K,Fe content, contents of Ca, Mn and Zn decreased at the same time.4. Adding the rates and ratio of N, P, and K increased the activity of SOD incucumber leaves and root. The changes of POD activity were complex, maybeP played the more important role.

增加氮、磷的用量和配比有利于增强黄瓜的根系活力，促进黄瓜对氮、磷的吸收，减少对钾素的吸收，提高叶片镁含量，增氮提高了叶片中钙、铁、锰和锌的含量；增磷促进了植株对铁的吸收；增钾降低叶片中氮、磷含量，增加植株对钾的吸收，提高了叶片中铁的含量，但钙、锰和锌的含量降低。4。

Compared with Fe in homogenous solutions,sur-face-bound Fe in ZnO-Fe systems was more effective to the dechlorination of TCE.

与均质溶液中的Fe相比，束缚在氧化锌表面的Fe对三氯乙烯有更强的还原脱氯作用。

Compared with Fe in homogenous solutions, surface-bound Fe in ZnO-Fe systems was more effective to the dechlorination of TCE.

与均质溶液中的Fe相比，束缚在氧化锌表面的Fe对二氯乙烯有更强的还原脱氯作用。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥