查询词典 Fe

Boron distributions of Fe〓 alloys were detected by means of α-particle autoradiograph.

发现微合金化后，脆性改善的实质是添加的合金元素改变了Fe〓的DO〓和B2这二类反相畴界能，这影响了反相畴界的密度、长程有序度和超点阵位错组态的滑移特性，从而改善Fe〓的脆性。

And the optimum pH was 4-6 for the dechlorination reaction of 2,4-D, and pH between 2 and 8 were all suited for the reaction in Pd/Fe systems. Intermediate and final products of 2,4-D, HCH and chlordane with Pd/Fe were determined by GC/MS, and the possible dechlorination pathways were concluded: 2,4-D can be converted to phenoxyacetic acid through gradual hydrogenolysis, and HCH can be transformed to cyclohexatriene through dichloroelimination or dehydrochlorination.

通过GC/MS定性定量分析了三种目标污染物在Pd/Fe体系中发生还原脱氯反应过程中的反应物及最终产物，并根据反应产物推测分析了这三种有机污染物在催化还原反应体系中可能的反应途径：2，4-D主要通过逐级氢解最终生成彻底脱氯产物苯氧乙酸；而六六六则可能通过逐步双氯消除反应或脱氯化氢反应，最后生成环己三烯。

When the atom rate of addition element is beyond the 3.3% as Sm_3Fe_(25.5Cr_2V_(1.5)、 Sm_3Fe_(25Cr_2V_2, the added elements enhance α-Fe phase consumingly, and debase the liquidity acutely, thus depress the magnetic performace.

而当元素添加量过多时原子比大于3.3%，如Sm_3(Fe(25.5)Cr_2V_(1.5)、Sm_3Fe_(25Cr_2V_2，添加元素体现出了非常强烈的对铁元素的稳定作用，造成了α-Fe相大量增加。

It was discovered that this modified kaolin had ideal capability of removing arsenic from water because of its giant active surface and coordinate action, intensify, for arsenate ions AsO(superscript 3- subscript 4 and Fe(superscript 3+) fixed on the framework, and achieving the aim of removing the minimal content of arsenic from the water.

以高岭土为原料通过碱熔合成得到类似于分子筛的笼状骨架结构，并将Fe(上标 3+)通过离子交换吸附，负载在其骨架上，实现改性；利用改性后的吸附剂具有大的活性表面积，以及砷阴离子AsO(上标 3-下标 4与Fe(上标 3+)的强配位能力，实现了基于配体交换的固液分离的从微量含砷水中去除砷。

In order to gain higher magnetic performance and solve air pollution problems in extraction process of Fe-Cr fibers,cupreous body of Cu-13Fe-2Cr in situ composite materials were corrupted by using chemical extraction .

为解决Fe-Cr纤维提取过程中容易造成空气污染的问题，使得到的纤维具有较高的磁学性能，采用化学萃取法腐蚀掉Cu-13Fe-2Cr原位复合材料中的铜基体，制备了Fe-Cr金属纤维；通过调整硝酸与双氧水比例抑制NO2的产生；通过改变清洗方式使纤维具有较高的磁性。

Based on theσs1/8 -T curve and X-ray diffraction analysis, the changes in volume fraction,saturation magnetization and Curie temperature of α-Fe phase and residual amorphous phase with annealing temperatures as well as the correlation between them were determined.

研究了Fe(72.7)Cu1Nb2V(1.8)Si(13.5)B9非晶合金在不同温度（763—883K）退火1h后的热磁曲线借助于碰分析的方法，由σs1/B－T曲线并通过X射线衍射分析确定了合金中α－Fe相和剩余非晶相的体积分数、饱和磁化强度及Curie温度随退火温度Ta的变化及其相互关系。

Fe, Ni and Mn, in form of divalence, and Cr in form of trivalvence dissolve into solution.

蚀孔内发生金属的活性溶解腐蚀；Cr以三价离子，Fe，Ni和Mn以二价离子形式溶解；Fe，Cr的溶解量对孔蚀自催化效应有显著的影响。

With O-Fe-O-Fe-O and O-Cr-O-Cr-O being succedaneums of one dimension oxide film,the optimized geometry and electron energy level of these molecules were calculated by ab initio SCF/STO-3G.

以O-Fe-O和O-Cr-O-Cr-O模拟氧化膜的一维链，施行量子化学从头算（ab initio研究，得到了分子的稳定构型及电子结构。

The TiC/Fe composite coatings were prepared by reactive flame spray using ferrotitanium, iron and graphite as the starting materials, which need ignite the self-propagation high-temperature synthesis reaction of Fe-Ti-C system by oxygen-acetylene flame.

在喷涂过程中，在氧乙炔火焰条件下引燃Fe-Ti-C体系的自蔓延高温合成反应，研究该SHS反应的动力学。

objectiveto determine the content of five trace metal elements in black nightshade herb.methodsthe sample was digested with microwave digestion system,and rate determined by flame atomic absorption spectrometry;resultsthe method is simple,rapid and accurate.the recovery was 98.75%～102.50%, and rsd was 0.1297%～1.2177%.conclusionthe contents of ca, mn, fe in the black nightshade herb are abundant.

目的测定中草药龙葵中fe，cu，zn，mn，ca的含量。方法样品经微波消解，采用火焰原子吸收法测定fe，cu，zn，mn，ca的含量。结果该方法快速、简便、准确，5种金属的回收率为98.75%～102.50%，rsd为0.129 7%～1.217 7%。结论龙葵中ca，mn，fe元素含量较高。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。