變阻體 的英文怎麼說

中文拼音 [biànzǔtǐ]
變阻體 英文
varistor
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 體 : 體構詞成分。
  1. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應用於變形體連接的多體系統，並以此理論為依據建立人體整椎脊柱沖擊動力學模型，此時考慮脊柱的大位移運動，每個椎骨的變形相對椎間盤的變形小得多，把脊柱看成由剛體（椎骨）和變形體（椎間盤）組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合，最後得到腰椎間關節剛度系數因子和阻尼系數因子
  2. A test has been carried out on three typical bridges sectional models of flutter derivatives to find the general rules with the change of flutter derivatives of the bridges sectional model. and it has been discovered that this change depend on the torsional damping, an element closely relating to the h * 2 and a * 2 4

    通過對三種典型斷面顫振導數的測試，考查了各顫振導數隨斷面形狀的變化趨勢，說明了最主要的變化體現在與扭轉阻尼有關的h _ 2和a _ 2項。
  3. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變阻尼器工作模式，利用磁路中的歐姆定律和動態磁路設計原理，結合汽車懸架的技術要求和結構特點，提出了基於剪切模式和流動模式共同作用（混合工作模式）的汽車磁流變阻尼器設計原理，討論了阻尼器動態磁路設計中的若干技術問題；根據流體力學navier - stokes方程，分別利用newton流體特性和bingham流體特性，推導了基於平板模型和軸對稱模型的流變學方程，得出了阻尼器阻尼力的計算方法。
  4. The pile is assumed to be vertical, elastic and of variable impedance, and the soil is layered and with viscous damping

    假定樁為豎直彈性變阻抗體，土為成層線性粘彈性體，其材料阻尼為粘性阻尼。
  5. Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration

    隨著磁場頻率的增大，盤型磁流變流體阻尼器抑制轉子振動的能力減小。
  6. Results show that the magnetic field frequency has significant effect on the dynamic performance of the disk - type mr fluid damper

    結果發現，磁場的頻率對盤型磁流變流體阻尼器的動力特性有著顯著的影響。
  7. The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper

    當磁場的頻率高於一個臨界頻率后，轉子系統的動力特性與無磁場時的動力特性相同，正弦磁場不能夠控制磁流變流體阻尼器的動力特性。
  8. In order to understand the effect of alternating magnetic field on the dynamic performance of a disk - type magnetorheological ( mr ) fluid damper based on shear operation, the dynamic character of a flexible rotor supported on the disk - type mr fluid damper was experimentally studied under sinusoidal magnetic field

    摘要為了掌握交變磁場對基於剪切方式的盤型磁流變（ mr ）流體阻尼器動力特性的影響，試驗研究了正弦磁場下支承在盤型磁流變流體阻尼器上的柔性轉子系統的動力特性。
  9. This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid

    在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。
  10. The similarities and differences of high voltage heat changing resistance type starter and liquid resistance starter of moving pole plate for changing resistance

    高壓熱變阻式與動極變阻式液體電阻起動器的異同
  11. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外，選用十二烷基硫酸鈉（ sodiumdodecylsulphate ， sds ）以及烷基多糖苷（ alkylpolyglycoside ， apg ）作為減阻添加劑，研究了表面活性劑添加對微通道流動特性的影響。
  12. The equipment for simultaneously measuring resistance, volume expansion and temperature was constructed. two different polymer matrices, crystalline high density polyethylene ( hdpe ) and amorphous polystyrene ( ps ) were selected, which were loaded with carbon black ( cb )

    自行設計製作電阻-體積膨脹-溫度同步測量裝置，研究了炭黑（ cb ）填充聚合物基ptc材料的電阻率隨體積膨脹的變化關系，聚合物基體分別為結晶聚合物高密度聚乙烯（ hdpe ）和非晶聚合物聚苯乙烯（ ps ） 。
  13. In view of the progress of mr techniques and automotive suspension techniques, some mr damping techniques for automotive suspension systems, including system theory, experimental investigation, design method, manufacture technique, and models of the dampers, etc. have been presented in this dissertation in order to progress the mr fluids and automotive suspension techniques based on mr damper

    本文根據磁流變技術的研究現狀和汽車懸架技術的發展趨勢，系統研究了汽車磁流變阻尼技術，包括：磁流變效應、阻尼器系統理論、設計方法、實驗研究和阻尼器的動力學模型，旨在推進磁流變體和磁流變阻尼器在汽車工程中的應用研究。
  14. Also the regulations of stain and resistivity of smart composite with additives of continuous carbon fiber and graphite are analyzed

    本文還對連續碳纖維、鱗片填料在拉伸狀態下應變與體積電阻率之間的變化關系進行了研究和分析。
  15. This paper mainly study two kinds of smart materials which are both reinforced by chopped carbon fiber mat but use two different kinds of polyester resin as matrix and discuss the influence of content of carbon fiber on conductivity. focus on the relationship between strain and volume resistivity under tensile condition influenced by the factors such as resin matrix and fiber content

    研究了其含量與導電性之間的關系；重點對不同基體樹脂材料及不同碳纖維含量等因素對復合材料在單軸拉伸條件下，拉伸狀態下應變與體積電阻率之間的變化關系進行了研究；確定了電阻率與應變之間變化的數學關系。
  16. The regressive equation that described the relationship between resistivity and strain are determined. to prove the applicability of the relationship, we composite the conductive composite material prepared by chopped carbon fiber mat with glass fiber reinforced composites of different strain character and study the relations of strain to resistivity under tensile stress

    為證實該關系的適用性，通過將短切碳纖維氈制備的導電復合材料與具有不同應變性能的玻璃鋼復合，對拉伸狀態下應變與體積電阻率之間的變化關系進行了研究，並用多元回歸的方法進行了數值分析，確定了電阻率與應變之間變化的數學模型。
  17. Vehicle damper using er fluid can produce continuous and controllable damping forces for vehicle ' s best ride comfort and road holding, so many scientist focus on it. today ' s researches are on control features on condition that vehicle ' s passive damper is replaced by er damper operated by external energy source

    使用電流變流體作為工作介質的車用減振器可以在電場的作用下，產生連續可控的阻尼力以實現車輛良好的乘座平順性和操作穩定性，是電流變技術應用中的一個研究熱點。
  18. Ohmic resistance measured between the connecting lines and the transducer s deformation body, with statement of the test voltage used

    在使用校驗電壓時測得的連接線路和轉換器變形體之間的電阻歐姆。
  19. On the basis of analyzing mechanism of magneto - rheology, some models used to characterize mr effect have been summed up in the second chapter. the reasons, which influence mr effect and sedimentary stability of mr fluids, etc. are analyzed according to models above - mentioned. the mr fluids used to develop automotive mr dampers in this dissertation have been comprehensively tested for the damper design purpose by means of the magnetorheology - meter offered by < wp = 7 > department of engineering mechanics of chongqing university

    介紹了磁流變效應的流變機理和磁流變效應的模型描述，並利用描述模型分析了影響流變學性能的各種因素，提出了用於汽車磁流變阻尼器的磁流變體的性能要求；介紹了磁流變體的性能測試原理，利用重慶大學力學系研製的磁流變測試儀器對八種磁流變體的bingham模型參數進行測試，為磁流變阻尼器設計計算提供材料參數和結構設計中的技術問題處理提供依據。
  20. The advantages of magnetorheological damper ( mrd ) which were made of magnetorheological fluid ( mr ) are not only simple structure, small volume, quick respond, small power requirement and adjustable damp forces, but also easily combine with computers

    由智能材料磁流變體製成的磁流變阻尼器不僅具有結構簡單，體積小，反應快，能耗小和阻尼力連續順逆可調等優點外，而且還易於和計算機相結合。
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