電介質實驗 的英文怎麼說
中文拼音 [diànjièzhíshíyàn]
電介質實驗
英文
dielectric experiment- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
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Fitting the experimental data into the general effective media ( gem ) equation, a theoretical percolation curve was gained. a mathematical model was proposed which is based on the gem equation and the dilution effect of filler volume fraction due to thermal volume expansion
使用有效介質普適方程( gem方程)對實驗數據進行擬合,得到導電復合材料的理論滲流曲線,根據gem方程和基體的體積膨脹,建立起一個數學模型。The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given
本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置,首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖,並對其進行了時空動力學測量。In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode
本文第一部分首次成功地將酸性介質中的mn ( iii ) / mn ( ii )電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料,通過旋轉圓盤( rde ) 、循環伏安( cv ) 、交流阻抗( a . c . imp ) 、恆電位階躍、 tafel實驗以及mn ( iii ) / mn ( ii )單電極的恆流充放電實驗,我們得出以下結論: 1 .在旋轉圓盤電極上,不同轉速范圍,不同的極化過電位, mn ( ) / mn ( )體系氧化還原電極過程的控制步驟不同,電荷傳遞、擴散傳質可分別或聯合成為控制步驟。Then the plasmid was extracted from them and determined by dna calculator. the protoplast that contain growth hormone releasing factor injected into rabbit muscle and mouse muscle after it were treated by 1 % glutaral, pay it to electric stimulation in muscle of injection site and extract omni - rna from injection site of rabbit muscle, expression of grf were detected by reverse transcription and pcr ; ratio of expression of grf were detected by elisa. extract dna form injection site of mouse muscle to research time of expression
本實驗是將含grf重組質粒的jm109菌株大量培養,用堿裂變法提取質粒,用dnacaculator定量;制備含grf的原生質體,經1的戊二醛處理后注射於家兔肌肉,在注射部位給予電刺激,提取總rna ,用rt - pcr檢測grf在肌肉中的表達;用elisa法定性檢測grf在肌肉中蛋白質水平的表達;將該原生質體注射于小鼠肌肉中,定期提取dna ,初步探討原生質介導的外源性grf在小鼠肌肉中的表達時間。An experimental system of electro - spray with two different charging methods - inducted by ring electrode and polarized by contacted needle electrode is established. an effective charging equipment for fuel is designed. water and kerosene ' s characteristics of charging and atomization in the electro - spray are measured and analyzed
2 、建立了環狀感應電極充電和閉式接觸電暈充電的荷電噴霧實驗系統,對煤油和水兩種不同物性介質的荷電特性與荷電霧化特性進行了測量及分析。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。Applying the theory on hydrodynamics and combining the structure of the pump, the method of calculating the flux is found, using the simulating dual pump which mercury serve as the working medium, by the experiment on the electromagnet used in the dual pump, the optimum method of the coil connection is gained ; by the experiment on the relation the static pressure and the working parameter in different groove structure, a high - efficiency groove structure named as " + " shape are devised ; by comparing the static pressure and flux between single pump and dual pump, the conclusion that the flux of dual pump is about 1. 6 times as much as the flux of single pump is educed, and prove it practical that the dual pump is adopted to increase the flux
利用水銀為工作介質的雙聯電磁泵,通過對雙聯電磁鐵不同接法的實驗研究,找到最佳激磁線圈接線方法;通過對不同流槽結構的靜壓頭與工作參數關系實驗,研究得出一種高效率的新型流槽結構? ?十字型流槽結構;通過對單泵、雙泵的泵高和流量實驗,得山了在同等工作條件下,雙泵流量大約為單泵的1 . 6倍的結論,從而證明了採用雙聯泵的方法來提高直流電磁泵的方法是切實可行的。For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described
在總線電纜的安裝方面,著重討論了電纜的選型原則、安裝方法和抗噪防擾措施;在安全保護設備安裝方面,介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式(實體概念和fisco模型)下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法;在網路元件的安裝方面,主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法,為總線系統的安裝提供了可以借鑒的實用經驗。Experimental study on circuit parameters and breakdown properties of water switch under pulsed voltage
脈沖電壓下的自擊穿水介質開關擊穿特性和電路參數實驗研究After analyzing the preparation conditions and the result for precursors and products, temperature, time and li / na ratio were central factors that impacted the products " composition, structure and electrochemical properties if the medium ' s influence can be neglected
在分析了離子交換反應的各種實驗條件及產物的結構和電性能后,認為如果忽略介質的影響,溫度、時間和li na配比是影響產物組成、結構和電性能的主要因素。Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively
本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。The insertion loss is less than 0. 5 db per unit cell and the effective band is wider than 1 ghz. such characteristics and the stable electronmagnetic and mechanical properties make it possible for it in the real applications, therefore has significant meanings. 6
其低損耗、寬帶、結構牢固、電磁及機械性能穩定的特點,對于異向介質的實際應用具有重要意義; 6 、對異向介質多種潛在應用進行了實驗嘗試和探討。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。In addition, from the angle of removing the negative gain media in the cycling gas and the excitation - counteracting media, we put forward the eliminating the impurity by using of the non - uniform stationary electrical field and the swirling electrical field so as to improve the effective excitation of the laser media
本文還從清除循環氣體中負增益介質以及消激發介質的角度來改善激光介質的有效激發,提出了使用非均勻靜電場和渦旋電場清除雜質的方案。理論分析與部分實驗驗證表明,這兩種方案都能有效地清除混合氣中的雜質。In this dissertation, the performance of linearly tapered fin - fed slot antenna ( lwsa ) is discussed in theory, simulation and experiment. the radiation pattern characteristic influenced by changes of antenna ’ s dielectric material, tapered shape and dimension is studied detailedly. though the tapered slot antenna design is very important, a good waveguide - to - finline taper transitions is also needed because they could not thought over separately
本文主要採用理論分析、數值模擬和實驗等手段對線性漸變槽天線的特性進行了研究,分析了介質材料、天線漸變段以及天線尺寸對天線方向圖的影響,分別設計了天線罩、線性漸變槽天線以及天線的饋電結構。Both the dielectric layer and metal film were internally deposited on the fiber. it is found that ag is able to engender the highest ir reflectivity among the metal materials, so ag is ascertained as the metal layer material of the hollow waveguide, cop was used in this work as the dielectric material. based on countless calculations, optimum thickness for the deposited films were obtained, namely, 0. 2 / / m for ag layer and 1. 4 fan for the cop layer
實驗用來制備空芯光纖的基管材料為石英基管;內徑為1mm ;通過理論推導與分析發現:相對于其它的金屬材料而言,金屬銀的紅外反射率最高,因此金屬銀最適合用做制備空芯光纖的金屬膜層的材料;通過比較幾種聚合物的性質確定選擇環烯聚合物cop為電介質層材料;通過理論推導與計算確定了金屬銀膜與電介質膜的最佳理論厚度,即銀膜為0 . 2 m , cop膜的厚度為1 . 4 m 。8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants
研究表明,液料等離子噴塗制備的納米tio :顆粒平均粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph值、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。An anomalies in the dielectric constants and loss tangent have been observed experimentally in the ferroelectromagnet near the antiferromagnetic transition temperature, indicative of a coupling between the ferroelectric and magnetic ordering, but the nature of the mechanism of magnetoelectric coupling and the form of interaction is still an important and debated issue
而另一類是鐵電磁體,它除了具有一般磁電體的性質外,還由於固有的本徵磁有序和鐵電有序的耦合使之存在自發的磁電效應。實驗上已經發現了由於自發的磁電耦合導致的介電異常和損失正切。The theoretical calculation has a good agreement with the test result in a 400mw hydro - generator. many factors that effect coolant flow and heat exchange was analyzed
通過400mw水輪發電機空心導線的實驗數據,驗證了計算程序的正確性,分析了各因素對介質流動和換熱的影響。Observation of local discharge. phenomena on charged surface of dielectric films
帶電介質板表面放電流柱起始電壓的實驗研究分享友人