磁壓作用 的英文怎麼說
中文拼音 [cíyāzuòyòng]
磁壓作用
英文
pinch effect-
And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates
通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。Recent study of the kilohertz quasi - periodic oscillations ( qpos ) in low mass x - ray binaries ( lmxbs ) indicates that the radiation force, other than the magnetosphere and disk interaction and the general relativity ( gr ) effect setting the inner disk edge, serves as the disk truncation mechanism on shorter time scales. some results and discussions are presented in this paper
最近對低質量x射線雙星中的千赫茲準周期振動的研究表明,是輻射壓力,而不是盤和磁球的相互作用以及處于盤內邊界的廣義相對論效應在短時標的盤切斷機制上起作用.本文給出了一些研究結果及討論The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量,以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出,用直接反饋線性化方法設計了系統的非線性控制器。A three layered magneto - electro - elastic half - space subjected to vertical mechanical loads, charge or magnetomotive force is analyzed as the numerical example, and the calculative results of two different stacking sequences are compared
以在垂直機械載荷或電載荷或磁感應強度作用下三層半無限壓電壓磁彈性體為算例,並比較了兩種不同材料疊放順序的計算結果。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構參數存在一組最佳值。In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation
本文基於pss e程序中的擴展動態模擬模塊,對考慮有載調壓變壓器( oltc ) 、最大勵磁限制器等慢動態元件的中長期電壓穩定進行了相關的研究,從時域模擬的角度揭示這些慢動態元件在電壓崩潰過程中所起的作用。The research result shows that the influence of impressed electromagnetic field strengthen the gas explosion, and make the flame propagation speed, the flame propagation speed peak value and the overpressure peak value enlarged ; with the increase of electromagnetic field intensity, the effects on aggravating the gas explosion raise
研究結果表明:外加電磁場使瓦斯爆炸強度增加,使火焰速度、火焰速度峰值、壓力波超壓峰值增大,隨著電磁場強度增加,其對瓦斯爆炸加劇作用增強。Motion - induced electromagnetic noise of antenna under random and fluctuant pressure
天線在隨機脈動壓力作用下的運動感應電磁噪聲The behavior of three layered magneto - electro - elastic half - space subjected to horizontal mechanical loads is emphatically analyzed
著重分析了水平載荷作用下三層半無限壓電壓磁彈性體的行為。Circuit protection this paper provides a functional circuit protection circuit protection, relay circuits, electric motors, heaters, transformers, semiconductors and other applications occasions electromagnet and its role mentally fuse
電路保護器提供了電路保護功能,在繼電器電路電動機加熱器變壓器電磁鐵和半導體等應用場合中其作用遠甚於熔斷器。The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用時間的求取方法;分析了電流滯環控制策略,推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系;應用瞬時功率理論分析pwm整流器功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。Therefore, the wave is liable to be taken in by human body ensuing the emergence of resonance effect, which is able to activate cellular organization and promote metabolism. meanwhile, the magnetic therapy can effectively stimulate the circulation of the blood and cause the muscles and joints to relax through specific points. combining two unique functions together, the functional textile could take effect in evidence by improving human microcirculation efficiently, accelerate oxygen supply,
Nb素加磁功能產品,其中nb素所輻射的能量波正發與人體細胞中水分子律動頻率相同,極易被吸收並產生「共振效應「 ,從而活化細胞組織,促進新陳代謝,而磁療能通過穴位達到舒筋活絡的作用,二者科學的相迭加,所以效果更明顯,可充分改善人體微循環,加速氧氣的供給,提高人體細胞的再生能力,對高血壓肢體麻木關節痛肩頸痛腰肌勞損腰背酸痛等有很好的療效。During the research of the electro - hydraulic servo cylinder with mr sensor, the author considered that the manufacture techniques of the piston rod is the crucial step of whether the electro - hydraulic servo cylinder with mr sensor can be integrated
在對帶mr位移傳感器的研究過程中,對起磁標尺作用的活塞桿及其加工工藝的研究是關繫到mr傳感器能否與電液伺服液壓缸進行集成的關鍵所在。The work part of the micro - ppt is less than 200g, and less than 5mm in diameter. high isp and high efficiency are acquired because of the efficient coaxial discharge characteristic and higher discharge voltage than the standard ppt
該推進器的基本原理是通過真空中對工質的高壓放電使工質電離為等離子體,等離子體在電磁場的作用下加速排出形成推力。For example, when magnetic material being pressed, magnetic domain, direction and strength of spontaneous magnetization will vary. this phenomenon is called effect of pressing magnet. whichever rearrangement of magnetic domain or direction change of spontaneous magnetization will induces extra shape change of material
如對鐵磁材料施加應力時,往往會導致磁疇、自發磁化方向和強度發生變化,這一現象稱之為壓磁效應,由於得益於壓磁效應的作用,不論是磁疇重新排列還是自發磁化方向發生變化都會引起材料額外的形變,因此在一定應力的作用下鐵磁材料能產生非彈性變形。This mode of valve is a kind of brand - new patent electromagnetic valve developed by this co., with an electromagnetic block as the auxiliary valve and not directly acting on the switch valve while only through adjusting the force difference between the media to get the switch valve, having lower energy consumption, longer duration, more stable performance etc. notable feratures, compared with the traditional electric valves, and extensively used for various water etc. liquids control system
A型閥是我公司開發的一種新型專利電磁閥。電磁塊作為輔閥,不直接作用於開關閥,僅調節介質壓力差獲得開關閥,與傳統電動閥相比具有耗能低壽命長性能穩定等顯著特點。廣泛應用於各種控水油等流質的控制系統。Four methods have been taken to decrease the total heat quantity generated by the solenoid coil. the four methods are to reduce the duration of the high voltage, to reduce the amplitude of the high voltage, to reduce the duration of the control signal, and to reduce the amplitude of the low voltage. it was found that the four methods did have some effect on temperature
研究發現,以減小電磁閥的總發熱量為目的而採用的縮短高電壓作用時間、降低電磁閥高低壓驅動的高電壓幅值、縮短控制信號持續時間和降低維持電壓的四種方法,對減小電磁閥的發熱都是有效的,但效果都不特別顯著。With the function in reducing blood pressure, does it functions on the normal person
磁場對高血壓的降低作用。是不是正常人的血壓在磁場作用下也會降低?Experiments have showed that it does not function on the blood pressure of normal person, because the reduction of blood pressure was effected through adjustment to blood pressure, that means it only can reduce the abnormally high blood pressure not the normal blood pressure
由正常血壓變為低血壓,這樣擔心是不必要的,臨床實驗觀察證明磁場不會使正常人血壓降低,因為磁場降低高血壓作用是通過對血壓的調整作用,也就是說血壓高了使其下降,而對正常人血壓不會機械性的使其降低。分享友人