镍铁

The application of air-acetylene flame atomic absorption spectral method for measuring the iron content in carbonyl nickel powder is studied.

文章运用了空气-乙炔火焰原子吸收光谱法进行羰基镍粉中铁含量的测定。

In this study, powder injection molding of Fe-50%Ni was investigated when powder of iron carbonyl and nickel carbonyl was used as raw materials.

本次实验以羰基铁粉和羰基镍粉为原料粉末，采用注射成形方法制取Fe-50%Ni软磁合金，研究了高能球磨制备粉末对注射成形工艺以及材料性能的影响。

After 10 h ball milling,the alloy of carbonyl iron and carbonyl nickel began to form,and the sample kept i.

结果表明：以羰基铁和羰基镍为原料，通过高能球磨得到了bcc结构FeNi纳米晶合金。

Granted, either would be equally at home on a finely manicured concours putting green but to me the drop top would slightly edge out the Nickel Gray/Cumulus Gray model for its flash status and star power.

也允许会相等地在一个精美地修指甲的比赛果岭上的家但是对我放顶端会对于它的闪光状态和星形铁能力些微地将镍灰色/积云灰色模型排挤出去。

And, the frontline orbits theory confirms that NO〓 reacts with nickel and iron sulphides more easily than Fe〓.

热力学分析表明HNO〓比酸性FeCl〓对铜、镍、铁硫化物的反应趋势更大些。

Some principles were preposed which should be followed in the production of various color decorative cement.

本文利用晶体场理论解释了所得到的掺杂硅酸钙的光学吸收光谱和电子顺磁共振谱，并由此半定量地计算了对装饰水泥的颜色特性有较大影响的五个过渡金属元素铬、锰、铁、钴、镍在硅酸钙中的晶体场参数，确定了它们的价态，配位状态和置换方式，提出了生产不同颜色的装饰水泥所应遵循的一些原则。

Generally the catalysts have high activity and good selectivity. At present the coupling reactions of organoborahes with terminal olefins s acid chlorides and aryl halides play an important synthetic approaches in organoborane chemical. The catalysts can be used by many kinds of organometal compounds such as: irons cobalt nickel ruthenium rhodium palladiums titaniums zirconiums tins indium and lithium organic compounds; The achievement has been amazed in preparing of unsaturated or saturated compounds and in synthesizing of natural products bioactive molecules and chiral compounds.

目前，卤代烃与不饱和烃的偶联反应和有机硼试剂与酰卤和卤代烃的偶联反应已成为有机合成的研究热点，此类反应可用铁、钴、镍、钌、铑、钛、锆、锡、铟、锂等多种有机金属化合物来催化，用于形成含饱和或不饱和C-C键的化合物，并已在天然产物、液晶、具有生理活性物质和手性化合物的合成中应用。

The particle size of 〓 samples obtained by annealing oxalates in H〓/NH〓 gas flow is related to the nickel concentration, annealing temperature and duration The lower the temperature is, the smaller the particles are.

铁镍合金在氮化过程前后晶体结构和磁性发生变化，这种变化是由间隙氮原子的引入引起的。

Main product brands are GH series, Inconel, Incoloy, Hastelloy, Nimonic can be customized according to user chemical composition and physical properties of iron, nickel, cobalt as the basic ingredient, in exceptional long-term work under the stress of special alloy material

主要产品牌号有GH系列，Inconel ，Incoloy ， Hastelloy ，Nimonic 并可根据用户要求定制化学成分和物理性能，以铁、镍、钴为基本成分，在特殊应力作用下长期工作的特殊合金材料。

Liu shop,(Phthalocyanine Blue types of inorganic acid potassium sodium ammonium category category category of lead type vanadium strontium zirconium category category category magnesium barium cerium type calcium-type lithium-cobalt-bismuth-type copper-type mercury-type titanium category cadmium zinc category category category chrome silver category Organic Ni-Mn-type iron-type tin) was founded in 1983, is specializing in the production of chemical reagents from large and small packaging and specializing in the production of phthalocyanine blue merger of the two plants, located Liulihe gate in the town southwest of Beijing, close to 107 National Road and Beijing-Shijiazhuang Expressway, the traffic is very convenient.

北京市刘店化学试剂有限公司，（酞菁蓝无机酸类钾类钠类铅类铵类钒类锶类镁类锆类铈类钡类钙类锂类铋类钴类汞类铜类钛类镉类锌类铬类银类锰类有机类镍类铁类锡类）始建于1983年，是由专业生产化学试剂大、小包装和专业生产酞菁蓝两个厂合并而成，座落于北京市西南大门琉璃河镇，紧临107国道和京石高速公路，交通非常便利。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。