镍

In this thesis, it is studied that the Li2O-Al2O3-SiO2 system glass ceramics of high expansion which can be a match for the iron nickel alloy (485 alloy ) with 102×10-7/℃expansion coefficient, and influence of the change of every group compos...

本课题研究了能和膨胀系数为102×10-7/℃的铁镍合金(485合金)匹配封接的高膨胀Li2O—AL2O3—SiO2系统微晶玻璃，研究了各组份变化对微晶玻璃性能的影响。

ProTaper Nickel-Titanium rotary files were proved to be efficient and time-saving in preparing coned root canals.

ProTaper机用镍钛锉具有良好的成形能力与清理效果，是临床上预备弯曲根管的有效方法。

Some metals,such as cobalt,nickel,chrome and sO On,can corrade the element in high temerature.melting state and affect the service life of element.

部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀，影响元件寿命。

The rate capability of the alloys is improved after plating, due to the fine particles formed through hydrogen crisping and the nickel layer contributed to the conductivity of electrodes.

镀镍层有利于贮氢合金氢化物电极大电流放电，这种作用源于微包覆过程中氢脆引起合金颗粒的细化与表面镀层增强了电极的导电性。

Objective:To study the effects of mag netic material which has low curie temperatue induced by high frequency electromagnet for tumors.Methods:The needle-like magnetic material made of nickel-copper alloy which has low cuir e temperature,was implanted in S180 tumors of mice.

将镍铜合金制作的居里点温度为60 ℃的柱状磁性材料植入小鼠S180 内，从体外用高频电磁场诱导植入瘤体内的磁性材料感应产热，观察瘤体的温度变化和加热后的病理改变、瘤体大小及动物生存时间等。

Methods: The needle-like magnetic material made of nickel-copper alloy which has low cuir e temperature,was implanted in S180 tumors of mice.Then high frequency el ectrom agnetic field was applied outside body to make the magnetic material produce the hyperthermia.

将镍铜合金制作的居里点温度为60 ℃的柱状磁性材料植入小鼠S180 内，从体外用高频电磁场诱导植入瘤体内的磁性材料感应产热，观察瘤体的温度变化和加热后的病理改变、瘤体大小及动物生存时间等。

Succeed first preparation nickel of iron cyanic acid is multilayer film decorates electrode, studied with circular volt-ampere law this are multilayer electrochemistry behavior of film, the experiment shows peak electric current increases along with the addition of velar number of plies, film grows equably.

首次成功制备了铁氰酸镍多层膜修饰电极，用循环伏安法探究了该多层膜的电化学行为，实验表明峰电流随膜层数的增加而增加，膜均匀增长。

The studies on production of pure cyclopentadiene by depolymerization-rectify of technical dicyclopentadiene and the influenceable factors about preparation of cyclopentene by liquid hydrogenation of cyclopentadiene at the Raney Nickel catalyst were carried out.

介绍了以工业级双环戊二烯为原料，经过解聚-精馏得到高纯度的环戊二烯，以骨架镍为催化剂，对环戊二烯液相加氢制备环戊烯的影响因素进行了研究。

Dicyclopentadiene ; Cyclopentadiene ; Raney Nickel ; Liquid hydrogenation ; Cyclopentene

双环戊二烯；环戊二烯；骨架镍；液相加氢；环戊烯

The results indicate that the permutation and combination of kerosene and decyl alcohol extracting nickel citrate from wastewater is the best.

结果表明，煤油与癸醇组合对废水中柠檬酸的镍萃取效果最佳。

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。