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- The magnetization curves of these alloys were measured with vibration sample magnetometer, from which magnetic entropy changes were calculated and magnetocaloric effect were evaluated. 用振动样品磁强计测量它们的磁化曲线，从而计算出磁熵变，估计出磁热效应。
- Firstly, the paper shows the calculation results of the magnetic entropy of ferromagnetic and paramagnetic material which is a function of temperature and applied field; secondly, the lattice entropy changed with the Debye temperature is given also. 文章首先给出了铁磁或顺磁材料的随温度和外场而变化的磁熵的计算结果,以及此类材料的晶格熵随德拜温度而变化的关系。
- Keywords rear earth alloys;magnetic entropy changes;magnetocaloric effect; 关键词稀土合金;磁熵变;磁热效应;
- isothermal magnetic entropy change 等温磁熵变
- Magnetic Entropy Change and Measurement of Curie Temperature 磁熵变与居里温度的测量
- magnetic entropy changes 磁熵变
- Magnetic properties and magnetic entropy change of Ce_2Fe_(16)Al near Curie temperature Ce_2Fe_(16)Al化合物在居里温度附近的磁性和磁熵变
- Keywords room temperature magnetic refrigerant;magnetocaloric effect;magnetic entropy change; 室温磁致冷材料;磁热效应;磁熵变;
- Keywords perovskite;manganites;charge ordering;phase separation;magnetic entropy change;colossal magnetoresistance; 钙钛矿;稀土锰氧化物;电荷有序;相分离;磁熵变;庞磁电阻;
- Keywords perovskite manganese oxides;lattice structure;doped disorder;magnetocaloric effect;magnetic entropy change; 钙钛矿锰氧化物;晶体结构;掺杂无序;磁热效应;磁熵变;
- Keywords magnetic refrigerant;magnetocaloric effect;magnetic entropy change;magnetic refrigeration technology;magnetic refrigerator; 磁致冷材料;磁热效应;磁熵变;磁致冷技术;磁致冷机;
- magnetic entropy change 磁熵变
- The forming of yarn is characterized by the changes of the space arrangement orderliness of the short fibers or the filaments, so there exists the entropy change phenomenon. 摘要纱线成形过程主要以纤维或丝束空间排列秩序性的变化为特征，因而存在着熵变现象。
- The process converting work to heat is analysed introducing a model. The entropy change in the process is calculated by classical Boltzmann distribution. 本文在分析功变热过程的基础上 ;引入了功变热过程的简化模型 ;利用经典玻尔兹曼分布计算了一定量气体[1] 从有序运动向无序运动转化中的熵变 .
- But the population genetic that based on the statistic model can't explain the entropy change disciplinarian in the process of evolution, and the genetic diversity index system not enough prefect. 但目前建立在统计学基础上的群体遗传学尚未阐述清楚进化过程群体的熵变规律，而且遗传多态性分析的指标体系不够完善，因而必须用信息论方法科学描述和丰富遗传多样性的指标体系。
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- The second law only allows us to calculate changes in entropy. 第二定律只能让我们计算熵的改变量。
