磁体

The stability of a liquid helium free superconducting magnet could be analyzed using the adiabatic stability criterion because there is no cryogen in the system.

制冷机直接冷却的超导磁体，没有冷却介质，因此，用绝热稳定化判据分析其稳定性是合适的。

As a kind of excellent cryogen,liquid nitrogen has been widely used in many fields,such as the aerospace,electronic engineering,cooling of superconducting magnet and superconducting power cable,cryo-medicine,etc.

作为一种优良的低温冷却剂，液氮在航天、电子工业、超导磁体和超导电缆冷却及低温生物医疗等领域应用广泛。

Structure design and heat transfer analysis for the cryostat of superconducting magnet is mainly discussed in the paper.

介绍了低温超导磁体杜瓦装置的结构设计和传热分析。

CeO2 is a cheap and of use wide material, it is used in optical materials. polishing agents. ultraviolet absorption materials. the cleaning catalyst of car waste gases. chemical decolorant of glass. radiation-resisting glass. permanent magnet. electronic ceramics etc. After it becomes nanoparticle, it will show some new properties and applications. For example, CeO2 nanocrystal is a better promoter of Cytochrome C and the stabilizer of Zr02 ceramics.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学脱色剂、耐辐射玻璃、永磁体、电子陶瓷等，纳米化后将出现一些新的性质及应用，如CeO_2纳米晶是细胞色素C的良好的促进剂，还用于ZrO_2陶瓷的稳定剂。

CeO22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of cars waste gases, chemical decolorant of glass, radiation-resisting glass permanent magnet, electronic ceramics etc. If it is processed into nanoparticles, it will exhibit some novel properties led to varied applications.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学退色剂、耐辐射玻璃、永磁体、电子陶瓷等，其纳米化后将出现一些新的性质及应用，如ceOZ纳米晶是细胞色素C的良好的催进剂，还用作zro：陶瓷的稳定剂，由于ceo：折射率高，稳定性好，常用于制备减反射膜等。

And hydrogen decrepitation , which can be used to shorten the production period, to decrease the cost and to improve the magnetic properties, is widely studied.

烧结NdFeB系永磁材料在当前工业生产中获得了广泛的应用，而氢破碎作为一种粗破碎手段，由于具有生产周期短、生产成本低和可提高磁体性能等优。。。

The main progressing of this study is followed:The key process parameters of manufacturing sintered NdFeB magnets, such as strip casting, hydrogen decrepitation process, jet-milling process, orientation and pressing process, sintering and annealing process are investigated.

主要有以下进展：研究了烧结NdFeB永磁材料制备过程中一些关键的工艺步骤，如速凝铸带工艺、氢爆工艺、气流磨制粉工艺、取向成型工艺、烧结与回火热处理工艺等对磁体的磁性能、力学性能和显微组织的影响。

By using both the hydrogen decrepitation and double-alloy processes to avoid soft magnetic Laves phase,we prepared N35AH sintered Nd-Fe-B permanent magnet with ultra-high coercivity,which can be used at temperature up to 240℃.

现在汽车驱动电机、水力风力发电机、压缩机电机、船舶用大功率推进电机等领域对高使用温度烧结Nd-Fe-B磁体的需求日益增长，所以提高烧结材料的耐热性成为当今钕铁硼行业的主要研究方向之一。

A manufacture method of anisotropic NdFeB magnet powders was investigated from sintered bulk magnets by hydrogen decrepitation.

作者中文名：强文江；汤虹；孙爱芝摘要：研究了通过吸氢破碎处理由烧结NdFeB磁体制取各向异性磁粉的方法。

The magnetic alignment is thus enhanced, and it can be further improved by lowering the deformation rate and increasing the deformation ratio of the matrix grains.

并且形变织构还可通过增大主相晶粒变形率和降低变形速率进一步得到增强；(2)新型磁体的反磁化过程受反向畴形核控制。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。