硬磁化 的英文怎麼說
中文拼音 [yìngcíhuà]
硬磁化
英文
hard magnetization-
9. what effect does the magnetic therapy have on arteriosclerosis
10磁療對動脈硬化有什麼作用？Advances of mr imaging in coronary atherosclerosis plaque
冠狀動脈粥樣硬化斑塊磁共振成像研究進展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。During the winding of magnetic pole coils used in synchronous electric motors, cold hardening is induced by press bending at 90, by which the coils are hard to be pressed and shaped, thus local resistivity increases and results in influence on the coil lifetime
摘要同步電動機磁極線圈在編繞加工時， 90角處因壓彎而產生的冷作硬化現象使線圈無法裝壓成型，且局部電阻率增大，甚至影響磁極線圈使用壽命。Value of 1h magnetic resonance spectroscopy in diagnosis of multiple sclerosis in brain
磁共振波譜在腦多發性硬化診斷中的價值Analysis on proton mr spectroscopy of cortical tubers with tuberous sclerosis
結節性硬化癥中皮質結節的質子磁共振波譜分析Main product : tungsten carbide powder, roll ring, anvil and cylinder, mining button bit, dies nib for various application : cold heading dies, drawing dies and non - magnetic carbide dies. all of the products mentioned above could be offered in blank or finishing product
公司主要產品有：碳化鎢粉硬質合金輥環頂錘和壓缸冷鐓模無磁合金礦山柱拉絲拉管模棒材板材非標模具及硬質合金精密加工產品等，廣泛應用於鋼鐵標準件金剛石粉末冶金石油礦山磁性材料機械加工電子等行業。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。These revision libraries even use a similar optimization of sharing data on disk between files that don ' t change by using hard links
這個版本甚至用相似的優化磁盤上的共享數據，未改變的用硬鏈接。Hardmetals. determination of the magnetization coercivity
硬質合金.矯頑力磁化強度的測定Study of amyotrophic lateral sclerosis with dti and mrs : findings at 3t
肌萎縮側索硬化癥患者嗅鞘細胞移植后的短期隨訪及磁共振波譜評價Specification for hardmetals - determination of the magnetization coercivity
硬質合金.矯頑力磁化強度的測定The website is a display of computer storage units collected by me, including hard disks, floppy diskettes, optical disks, magneto - optical disks, tapes and others
電腦存儲器博物網展示個人收藏的電腦存儲器及相關配件，包括硬盤、軟盤、光盤、磁光盤、磁帶等存儲設備，展示存儲器的飛速發展和多彩變化。The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi
本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向，然後以srd的功能構成為線索分部分進行介紹： （ 1 ） srm的特性及控制策略分析，在電感分段線性化等簡化條件下分析得出了各個轉子位置角度區間的電磁、電流和轉矩特性並分析了控制策略； （ 2 ）分析設計了h橋式功率變換器的設計和工程實現的方法，並設計了基於這種功率變換器的換相邏輯； （ 3 ）分析設計了以dsp為核心的控制器以及控制方法，並介紹了該控制器的軟硬體實現； （ 4 ）介紹了如何用delphi編制實現上位機監控程序。The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups
設計了用於逆變器數字化控制的采樣調理電路，結合tms320f240的硬體資源，通過軟體實現了ups系統的緩起動和市電跟蹤，並改進了逆變器電壓瞬時值控制，通過引入輸出電流中心值檢測，對反饋電壓進行補償，解決了逆變器輸出的偏磁問題。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。Magnetism resonance is showing spinal cord is congenital unusual, spinal cord is empty scar of disease and sclerosis, ejector sleeve all have original place
磁共振在顯示脊髓先天異常、脊髓空洞癥及硬化癥、推管瘢痕等均有獨到之處。Then construct relation between crystal structure, interface structure and mechanical, magnetic properties of composites and predict and control the properties of material from the interface structure varying, on the basis of that developing the principle of design of interface structure
從界面結構變化的角度來預測和控制材料的性能，在此基礎上發展陶瓷材料的界面結構設計理論，並為最終研製出高性能的結構陶瓷-硬磁鐵氧體結構-功能一體化復合材料打下基礎。Powder metallurgy. hard metals. determination of specific saturation magnetization
粉末冶金.硬金屬.飽和磁化強度的測定In 1992, li zhiqing ' s master degree paper, the temperature stability of vertical bloch line ( vbl ) chains in walls of second hard dumbbell domain ( iid ) in the uncompressed state was investigated experimentally and a threshold temperature ( 7 ) nd at which to breakdown the vbl chains in the walls of iid was found
由於其轉化過程中vbl沒有丟失，也就是說，其疇壁結構沒有發生變化，所以我們再次證明了三類硬磁疇的疇壁結構是一致的，在直流偏場下之所以會出現不同的縮滅行為，完全是由於vbl的數目引起的。分享友人