磁通量表 的英文怎麼說
中文拼音 [cítōngliángbiǎo]
磁通量表
英文
magnetic-flux meter-
When measuring the magneto performance parameter , we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard , and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ; because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable , it make the measure of ignition energy become a difficult thing of ignition system performance detection
在磁電機常規測量時,發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表,而觀測到的波形多為不規則的形狀,根據測量原理,顯然不能用其來做定量的分析;由於點火系統的放電過程比較復雜,伴隨著很強的電磁干擾,點火電流、點火電壓都是變量,使得點火能量的測量成為點火系統性能測試的一個難點。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。The results illustrate that in the driven magnetic reconnection process generated by the dawn - dusk electric field in the magnetotail, the transportation of magnetic helicity flux via the boundaries of the system is the direct cause of the change of the total magnetic helicity in the system
研究表明,對于由晨昏電場?生的磁尾驅動重聯過程,通過系統邊界輸運的磁螺度通量是引起系統總磁螺度變化的直接原因。Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb magnetoresistance photoelectric sensor in this paper is designed for the fine measurement of the photosignal of the luminant device. through the sensor, the photo - pulse signal is changed to electric pulse which can provides to other second instruments
通過磁場的無接觸特性,對非電量的測量是磁傳感器應用的一個重要方面,本文所研究的銻化銦磁阻型光電傳感器即是針對于發光物體的光脈沖信號進行高精度無接觸測量的一類傳感器,它可以把光脈沖信號轉換成電脈沖信號,供二次儀表使用。This text expanded the magnetoelastic stability issue of current - carrying component from coil, pole piece to thin current - carrying plates, and used special function to differentiate the critical state of losing magnetoelastic steady, the number value of getting the relevant parameter is solved. the text derives and provides the magnetoelastic movement equation of thin current - carrying plates, the geometry equations and the physics equations, the expression formula of lorent ’ s force, electro dynamics equation through the theory at first
本文將載流構件磁彈性穩定問題由線圈、桿件拓展到載流薄板,並引入特殊函數判別磁彈性穩定問題的失穩臨界狀態,得到了相關參量的數值關系。首先通過理論推導給出了載流薄板的磁彈性動力學方程,幾何與物理方程,洛侖茲力的表達式,電動力學方程。Lastly, calculating the magnet performance using theoretical formulation, which expresses the relationship of the external magnetic field and remanence of the magnet, can tell the type of unknown magnet
另外,通過對磁體國防科學技術大學研究生院學位論文表面場的測量,並結合理論公式可以判斷未知磁體類型。Through researching the rhythmic change regularity of ore texture and structure, mineral composition and content, rare element " s change feature and the exploding temperature of mineral inclusion, combining the theory of magmatic ore - forming, the forming process of panzhihua vanadic titano - magnetite deposit could be divided into four periods : rock - forming period, main ore - forming period, hydrothermal period and surficial processing period
通過對礦石組構、礦物成分及含量、稀土元素變化特徵、礦物包裹體爆裂溫度的韻律式變化規律的研究,結合巖漿成礦理論,將攀枝花釩鈦磁鐵礦礦床的形成過程劃分為四個期:成巖期、主成礦期、熱液期、表生期。Finally, the impedance analytical expression for the solenoid coil with a finite - length ferrite core carrying time - harmonic current is obtained through the magnetic vector potential
最後由矢量磁位得到帶有限長磁芯的放置式通電圓柱線圈的阻抗解析表達式。Usually nobody cares about this field ? at any macroscopic distance from the chip surface, the field is immeasurably small
通常沒人在乎這些磁場? ?只要離開晶片表面較遠的距離,磁場就會小到難以測量。We have found the best ways to optimize the growth of quality zno films and got highly c - axis oriented zno films. the microstructures of the films were observed by afm. after analyzing the crystal structures, the crystal tropism and the surface conformation flatness, we found the result that the substrate temperature of 400 ? is ideal for silicon substrates, which conforms to the result of the structure analyse. by analyzing the magnetism of zno films, we found that the films appropriately doped with fe, co ions have magnetism at room temperature and their magnetism can be improved by doping other little cu ion, but it is not certain that the content of cu is higher, the film has more magnetism, so it has the best content of cu. moreover, the films which have best crystal structures may not have the best magnetism
我們採用原子力顯微鏡( afm )方法觀察薄膜的顯微結構,利用所得的圖象信息對薄膜的晶粒結構、晶粒取向、表面形態平整度等進行分析討論,認為400的襯底溫度對硅襯底薄膜是合適的,與結構分析的結果一致。通過對薄膜磁性能的分析和研究,我們得出一些有意義的結果:適量過渡金屬離子fe 、 co摻雜的zno薄膜,在室溫下具有鐵磁性,而在此基礎上摻入少量的cu離子能改善薄膜的磁性。摻cu量有個最佳值,而且結構最好的薄膜磁性不一定最好。Using the vector potential, the expression for calculating inductance of air - cored solenoid coil is derived in the dissertation. and the calculating methods of function t in the calculating expression are given for the convenience of the calculation of inductance while the precision is not strictly requested
利用矢量磁位a直接推導出了通電空心圓柱線圈電感的計算表達式,給出了求解計算式中函數t的計算方法,以方便精度要求不高時的電感計算。In the last part, the relationship of the field current with the operational factors of the turbo generator is difficult to express exactly, belonging to the complexity of building the generator model and the difficulty of identifying generator parameters, gp algorithm is presented, which is better than other method in symbol regress
由於發電機的建模與參數辨識困難,發電機勵磁電流和機端量之間的關系難以用精確的數學表達式來描述。利用gp演算法在符號回歸中的應用,得出發電機勵磁電流和機端量之間的關系表達式,用於故障診斷,並通過算例驗證了該方法是有效的。In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research
因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。Further measurements for the deposited films indicate that the appearance and the deposition rate of the films also vary. after we simulate the magnetic field in such case with c program, these variations are owed to distributed change of magnetic field near the target surface and in the discharging space, which can influence the motion of charged particles in the plasma obviously
進一步對沉積薄膜的測量表明,薄膜的沉積速率等發生了變化,通過對空間磁場進行模擬計算發現,由於空間外加的縱向磁場引起了放電空間中以及靶面附近磁場分佈的改變,影響了等離子體中帶電粒子的運動並最終導致了上述變化。The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out
在求解過程中,假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成,首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場:以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域,由於場源放置在內邊界面上,使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程,利用分離變量法求解,根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數,從而得到各場區矢量磁位的表達式。Rsfq ( rapid - single - flux - quantum ) logic family is a new type of technology in superconducting digital circuits, in which the information is carried in the presence or absence of sfq voltage pulses generated by damped josephson junctions
超導快單磁通量子rsfq ( rapidsinglefluxquantum )電路是一種新型超導數字電子技術,它通過磁通量子化了的電壓脈沖的有、無,來表示二進制信息。Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum
鐵損是由於在鐵芯中的變更磁場院所造成,這個損失與操作頻率及總流動的磁通量有關,總鐵損由三個成份組成,磁滯損,過流損及殘留損,這些損失因磁性材料不同而異,在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。By application investigation of mix subsystem in practice, special measure device was produced and substituted the widely used electromagnetic flow meters in order to solve the problem of original coagulant measurement existing in the chemical mixture. this device is simple in structure and apt for automatic control. using this method to realize automatic mixture of chemicals can decrease numbers of system instruments
通過配液子系統在生產實踐中的應用研究,針對藥液自動配兌過程存在的混凝劑原液計量問題製作專用計量裝置取代普遍採用的電磁流量計,該裝置結構簡單、易於實現自動控制,採用這種方式實現自動配液減少了系統採用的儀器儀表數量。The total energy expression of the sample is build through analyzing its energy composition. according to the principle of the minimum energy, using the connection between stress and strain and the connection between magnetostriction and magnetism strain, an expression for the mean field parameter is derived
通過分析所研究試樣的能量組成,寫出了試樣總能量表達式;根據能量最小原理,利用應力、應變之間的關系和磁致伸縮系數、磁應變之間的關系,得到了分子場參數表達式。Viewed at the surface of the model earth, the reversal of the dipole occurred when the reversed flux patches begin to dominate the original polarity on the core - mantle boundary
由模型中的地球表面看來,磁偶極的反轉是發生於地核?地函交界上反向通量斑塊開始超過原本的極性時。分享友人