等強磁力線 的英文怎麼說

中文拼音 [děngqiángxiàn]
等強磁力線 英文
isodynamic
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 磁力 : [物理學] magnetic force; force on charge
  1. Among the five kinds of nde ways ( rt, ut, et, pt, mt ), ultrasonic testing technology develops very fast because of its merits such as good orientation, strong penetration ability, higher energy and no harm to human health

    在五大常規無損檢測方法中(射、超聲、渦流、滲透、粉) ,超聲波無損檢測因其方向性好、穿透能、能量高以及對人體無害優點而得到了迅速發展。
  2. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外驅動微機器人:在微機器人內部嵌入永性體,利用體外的組合電圈產生加載電流控制的驅動場,其中外部的電圈由多組梯度圈和勻場圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的度及梯度,作用於微機器人內嵌體以獲得空間意義上的必要驅動和調整轉矩,從而有效地完成驅動動作要求。
  3. Thus, we can construct high performance airplane optic fiber control system on the basis of it. the existing avionic system has already set higher standard of the exchanging capability the data information

    As1773總具有可靠性高、抗電干擾能、重量輕、組網方式靈活優點,可在它基礎上組成高性能的飛機光傳操縱系統。
  4. The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way

    依據上千次實驗,我們找到了一些導致選誤判的影響因素,並提出幾點防止誤判的措施,包括改變pt接方式,避免鐵諧振對選的影響;通過對故障檢測方式的處理和使用連續判斷技術增裝置的軟體抗干擾能;嘗試採用神經網路演算法設定選方法的有效域
  5. But due to the difficulties of the theoretical calculation and the limitation of the technique of image display, only some two - dimensional graphs of electromagnetic field of a planar set of point charges or symmetrically and uniformly charged bodies, which ignores the boundary effect, are introduced in the present electromagnetics teaching materials, which brings much incovenience for the acquaintance of the electrostatic field

    然而,由於受理論計算和圖象顯示技術因素的限制,目前的電學教材中,通常只能給出平面分佈的點電荷系或具有較對稱性、忽略邊界效應的帶電體的電的二維平面圖,這給靜電場分佈的感性認識帶來了一定不便。
  6. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、耦合的非性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相效為二相,實現定子勵電流分量與轉矩電流分量之間的解耦,達到對交流電機鏈與電流分別控制的目的,交流電機效為直流電機實現高性能調速。隨著電電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。
  7. The linear permanent magnet synchronous motor ( lpmsm ) has avoided the effects of the mechanical transmission chains from rotary motions to linear ones, and has strong electromagnetism thrust, lower cost, small electrical time constant and rapid response etc., which becomes one of the best executive machines in the high - precision and micro - feed servo system

    由於永同步電動機消除了旋轉電機由旋轉運動到直運動的機械傳動鏈的影響,且具有電度高、損耗低、電氣時間常數小、響應快特點,使其在高精度、微進給伺服系統中成為執行機構的最佳選擇之一。
  8. Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability

    而光控相控陣雷達採用光電子技術,通過光實時延遲的方法來抵消孔徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有的抗電干擾的能;另外,由於光纖傳輸具有損耗低、頻帶寬固有優點,採用光纖連接雷達天和雷達控制中心,可以使兩者的距離較採用同軸電纜有較大的提高,更有利於保護雷達控制中心。
  9. Sb2011 precise decade inductance box adopts loop inductance coil, emc screen, special temperature compensation structure, aging technology, and whole - seal moistureproof measure therefore, it possesses many special characteristics, such as strong anti electromagnetic capability, little effect by humidity and temperature, perfect stability, reliable performance, strong adaptability, novel structure, and easy to operate

    Sb2011型精密十進位電感箱採用鐲環形電感圈及電屏蔽,獨特的溫度補償結構與老化處理工藝並採取全封閉式的防潮措施,具有抗電干擾能、受濕度與溫度影響極小、穩定性好、性能可靠、適應性、結構新穎、操作方便獨特優點。
  10. This topic focused on the radiation effect on the uhmwpe fiber with electron beam ( eb ) radiation. and instron, sem, atr - ir, xps, epr, xrd et al were used to characterize the structure and properties of uhmwpe fiber before and after radiation treatmentand on this condition we probed into the grafting modification with eb radiation technology

    本課題研究uhmwpe纖維的電子束輻照效應,運用電子機、掃描電鏡( sem ) 、全反射紅外( atr ? ir )光譜、 x射光電子能譜( xps ) 、電子順共振儀( epr ) 、 x射衍射儀( xrd ) 、接觸角和交聯度測定方法對uhmwpe纖維在電子束輻照作用下的主要結構與性能變化規律進行了表徵和分析,在此基礎上對運用電子束輻照技術進行uhmwpe纖維的表面接枝改性進行了探討。
  11. The relationship between sputtering conditions and the depositional speed shows : with working pressure 1. 2 pa, sputtering power 180w, the depositional speed of tio2 thin film is 40nm / h, and increases with the increasing of sputtering power. it can be also founded that the depositional speed is nearly proportional to the working pressure : within the range of 0. 3pa to 1. 6pa, the depositional speed increases linearly with the increase of ar pressure. with the enhancement of the substrate ' s temperature of sputtering or annealing, the resulted thin films show a tendency of decreasing in thickness, and increasing in refractivity

    本實驗是採用控濺射方法,在不同的溫度下制備了tio _ 2薄膜,並對薄膜進行了不同溫度和時間的退火處理,通過原子顯微鏡( afm ) 、 x射衍射( xrd ) 、掃描電鏡( sem )檢測手段對薄膜的表面形貌和組成結構進行了分析,結果如下: ( 1 )濺射工藝條件與薄膜沉積速度的關系表明:採用1 . 2pa工作氣壓, 180w的射頻功率tio _ 2薄膜的沉積速率為40nm h ,並隨射頻功率的增加而提高,呈近似的性關系,在0 . 3pa 1 . 6pa氣壓范圍中,氬氣壓升高沉積速率迅速增加,濺射溫度提高和退火處理能使薄膜的厚度減小和折射率提高。
  12. The controller takes full advantage of the features of ti tms3201f240xa processor, such as high performance processing capabilities, plenty of peripherals on chip and high real time control. by the vital of these features the fast ac sampling, synchronic pulse, digital shift phase trigger pulse, can bus communication, pid control method and excitation limitations are realized. the pretreatment of the switch signals and the test of the shift phase trigger pulses are realized by using the complex programmable device ( cpld )

    該勵控制器充分發揮了tms3201f240xadsp處理器的大的數據運算能、豐富的片內外設資源和較實時控制能,用單片系統結構實現了快速交流采樣,數字同步脈沖形成, can現場總網路、以及pid控制演算法和各種勵限制功能;用cpld器件實現了開關量抖動預處理和可控硅觸發脈沖遺漏的檢測,減輕了dsp處理器負擔,提高了勵控制器可靠性、抗干擾能和控制能;使用vc + + 6 . 0開發的基於windows操作系統的勵系統調試軟體,人機界面簡潔友好,使用操作靈活方便。
  13. The paper is the project named " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no - 50075057 ) " as the background, which is supported by national natural science foundation of china drive directly by linear permanent magnet synchronous ac motor, the controlled plant eliminates middle drive parts and avoids the effects of the mechanical transmission chains from rotary motions to linear ones

    本文以國家自然科學基金資助項目《直伺服雙位置環動態精密同步進給理論和實現方法研究( no 50075057 ) 》為背景,針對直同步進給提出了一種新的控制方案:模型參考自適應控制。機床採用永同步電動機直接驅動,省掉了中間的傳動環節,消除了機械傳動鏈的影響;又因永同步電動機採用高能永體,具有電度高、損耗低、電氣時間常數小、響應快特點。
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