中英
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light rare earth elements中文是什么意思
- 中文翻譯
- 造句
- 輕稀土元素
- light vi. (lit 或 lighted) 1.〔古語〕下馬 ...
- rare adj. 〔美國〕(肉)烹調(diào)得嫩的，半熟的。
- earth n. 1.〔常E-〕 地球。 2.大地，陸地，地面，地上 ...
- element n. 1.要素；成分；(構(gòu)成)部分；分子。 2.【化學(xué)】 ...
- heavy rare earth elements 重稀土元素
- rare earth elements 稀土元素
- rare-earth elements 輕稀土元素; 稀土元素
- light rare earth element 輕稀土元素
- rare elements 稀有元素
- rare earth 稀土的; 稀土金屬氧化物; 稀土元素; 稀土族
- rare-earth 稀土的；稀土元素
- geochemistry of rare elements 稀有元素地球化學(xué)
- rare gas elements 惰性氣體元素
- chinese society of rare earth 中國稀土學(xué)會
- chlorine rare earth 氯化烯土
- heavy rare earth 重稀土元素
- heavy rare earth metal 重稀土金屬
- isooctoate of rare earth metal 異辛酸稀土
- magnesium rare earth 稀士鎂合金
- magnesium-rare earth 鎂-稀土合金; 稀土鎂合金
- medium rare earth richment 中稀土富集物
- ores of rare-earth metals 稀土金屬礦
- rare alkaline earth metal 稀土金屬; 稀有堿土金屬
- rare earth abundance pattern 稀土豐度模式
- rare earth addition 稀土添加劑
- The result shows that with the addition of rare earth elements , ultrasonic irradiation and magnetic field , the chemical component , surface configuration , microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably . such kind of change can be described as the followings . firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases , but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced , and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce , la and decreases with the addition of heavy rare earth elements such as y . on the other side , when the alloy coatings passes through the heat treatment under the temperature of 250 or 500 , their properties will change
結(jié)果顯示化學(xué)沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后，沉積過程、合金成分、鍍層形貌結(jié)構(gòu)和性能都有顯著變化，表現(xiàn)在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結(jié)合力、表面質(zhì)量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實(shí)了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結(jié)構(gòu)由非晶態(tài)向微晶和多晶態(tài)轉(zhuǎn)變；鍍層的顯微硬度與耐磨性提高，力學(xué)性能優(yōu)化；鍍層的矯頑力降低；磁導(dǎo)率提高；鍍層的磁化強(qiáng)度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
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