磁化能 的英文怎麼說
中文拼音 [cíhuànéng]
磁化能
英文
energy of magnetization-
Save - energy equipment for burning oil by magnetization
磁化燃油節能裝置Arteriosclerosis is caused by the sediment formed by lipoid such as cholesterin on the inner side of blood vessels. the magnetic field can speed up the hydrolysis of cholesterin in a purpose to reduce the concentration in the blood
動脈硬化是由於脂類物質特別是膽固醇在血管內壁上沉積對內膜造成損害,而誘發血管硬化,磁場能加速膽固醇水解作用。In order to improve the resistivity of oxidation, dysprosium cobalt ferrite magnetic fluids were prepared
摘要為了提高磁流體的抗氧化能力,制備了鏑鈷鐵氧磁流體。It may be infeasible to say whether an observed magnetic anomaly results from structural relief or from a lateral change in susceptibility.
不可能指出一個觀測磁異常是構造起伏還是磁化率的橫向變化所引起。Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry
本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料,並對其性能進行了分析和測試,結果表明:這些合金粒徑小,比飽和磁化強度較大,矯頑力為零,呈現超順磁性,是非晶態的軟磁材料。Our approach differs from a recent theoretical paper that dealt with the possible conservation of the combined spin and orbital angular momentum in relation to the susceptibility of the down - conversion crystal
我們的方法與新近一些理論文章提出的方法是不一樣的,他們處理自旋角動量和軌道角動量可能的守恆當中涉及到了下轉換晶體的磁化系數。The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用;磁化率和全鐵很好地指示生物風化成壤作用; sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次生碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異,即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized
深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度等各種因素對產物的粒徑及磁性能的影響,對fe _ 3o _ 4納米粒子進行了晶體結構、粒徑、磁性能、鐵含量等性能的表徵。The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。The effects of the different kinds of rare earths and the doping amount of them on magnetic properties of bafe, 2o19 ultrafine powders ( including the specific saturation magnetization, the specific remanent magnetization and coercive force ) were firstly discussed systematically
首次查明了鋇鐵氧體粉末的磁性能(包括比飽和磁化強度、比剩餘磁化強度和內稟矯頑力)隨稀土元素種類及其摻雜量的變化規律。Preparation and electromagnetic performance of tetrapod - shaped zno whiskers
四腳狀氧化鋅晶須的微波電磁性能Gruber c. e. and carda d. d. ( 1981 ), performance analysis of permanent magnet type water treatment devices. wsa research report : final report. water quality association
許桂銘( 2001 ) ,磁化水對水泥混凝土性能影響之探討,鋪面工程學術研討會第11屆。In this paper, yig and ce : yig were prepared via chemical synthesis method, and their composition, structure, magnetic properties were investigated
本文在充分分析本領域國內外研究現狀的基礎上,採用化學合成法制得單相yig和ce : yig ,並對其組分、結構特徵和磁性能進行了分析研究。At first, the bonded magnet has been produced at varied technological conditions. then the influences of varied technological conditions, such as species and quantity of coupling agent, species and quantity of agglomerant, process of compression moulding and solidification process on magnetic property and compression strength of bonded magnet have been analysis by means of apparatus for measuring magnetic property and compression strength
首先,在不同工藝條件下制備出粘結磁體,然後利用磁性能測試儀、力學性能測試設備等測試手段,分析了偶聯劑的類型及其用量、粘結劑的類型及其用量、模壓工藝和固化工藝等因素對鐵氧體粘結磁體磁性能及力學性能的影響。When the atomic ratio of nb is one, the structure is homogeneous and almost composed of the single sm2fe17 phase. it ' s nearly the same structure as that after annealing. so it can reduce the production cost and increase the stability of magnetic properties
當nb的原子比為1時的鑄態組織基本為均勻的接近單相的sm _ 2fe _ ( 17 )組織,已接近於退火后的組織,從而可以避免冗長的均勻化退火化過程而直接用於製造永磁體,極大的降低了生產成本,並能有效的提高磁性能的穩定性。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
結果顯示化學沉積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、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(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。Since the influence of clay materials here, the high calculations of magnetic susceptibility in fossil soil do not represent the climate elements of this layer, but represent the most warm and humid climate elements - of the upper layer
由於該區黏土物質遷移等影響,古土壤磁化率高值段一般不能代表該層段的氣候要素,而是表徵上層段最溫濕階段的氣候要素。Heat treatment and magnetic properties of ferromagnetic bulk glassy alloy prepared by sps
放電等離子燒結鐵磁性大塊非晶的晶化處理及其磁性能研究It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹,然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法,把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子,利用瞬子方法給出基態能級劈裂,最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子,從而給出由於熱助量子隧穿引起的激發態的隧穿率。Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume
本文針對一類典型結構的主磁體,通過磁場分析與大量的計算,找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律,掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素,進行了極靴的形狀優化設計並編制了相應的計算機軟體,給出了極靴形狀的具體尺寸,使得主磁體能在更大空間內產生相對均勻的磁場。分享友人