負阻管 的英文怎麼說
中文拼音 [fùzǔguǎn]
負阻管
英文
dynatron; negative resistance tube-
Our administration system is taken shape and developed under planned economy, for a long time, the government has taken on no matter, is in charge of the affairs not good either, becomes an omnipotent one - - " it is all - round for government ". it divides into indistinction between the functions of the government and those of enterprises, government affairs. the phenomena where the societies does not divides is the getting more serious, which not merely influenced the relation between party and the masses, made the state finance ca n ' t bear the heavy load, hampered deepening and economy of the reform ' s progress directly, and influenced the setting - up and perfection of the economic system of socialist market seriously
我們的行政管理體系是在計劃經濟下形成和發展的，長期以來，政府包攬了許多管不了，也管不好的事務，成了無所不管、無所不能的「全能政府」 ，政企不分、政事不分、政社不分的現象十分嚴重，不僅影響了黨和群眾的關系，使國家財政不堪重負，而且直接阻礙改革的深入和經濟的發展，嚴重影響著社會主義市場經濟體系的建立和完善。Finding a feasible and efficient load balanced strategy for the ultra - scalable multi - plane multi - stage switch architecture is a top of nowadays research. the dissertation proposes a two - stage load balanced scheme for the ultra - scalable multi - plane multi - stage switch architecture based self - routing and non - blocking permutation benes network. the approach uses reasonable and efficient logical queueing strategy and schedule scheme in ingress traffic managers and switch planes to realize the two - stage load balancing of ip traffic which for different destination addresses
本文提出一種適用於基於完全可重排無阻塞benes拓撲構建的多平面多路徑（多級）超大容量交換結構的兩級負載均衡策略，通過在輸入流量管理器和benes交換平面內部實施合理而高效的隊列組織調度方法，有效實現了基於不同目的地址的ip流量在兩個層次上的負載均衡，較好彌補了ciscocrs - 1系統在平面選擇和中間級選擇時所採用的簡單隨機或輪循方案的不足。Adopt advanced technic of f4 whole cold - press to moulding and heat melt to process to make, let the lining no slot to link withal cheek by jowl connect with exterior metalpipes wall, in the state of allowwing to work keep to distort in - phase, thereby to enhance using - life of lining in the working status of opposite high temperature high vacuum, stop the ecumenic pad fluorin pipes using in condition of cold and heat alternate and minus tension to come into being the matter of padding fluorin floor shrivel to jam the flowway and plastic rip, its perfect choice use to transport medium of strong corrosive strong oxidation by modern chemical - industry corporation
採用氟塑料f4整體冷壓成型及熱熔加工等先進技術製造，使內襯層無縫搭接且與外層金屬管壁緊密粘接，在允許工作狀態下能夠保持同步變形，從而提高了襯里層在相對高溫高真空度的工況下的使用壽命，杜絕了一般襯氟管在冷熱交替，及負壓的條件下使用易產生襯塑層鼓癟阻塞流道及塑料拉裂的問題，是現代化工企業在輸送強腐蝕強氧化介質理想的選擇。The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology
本文還對差分延遲結構環形壓控振蕩器電路進行了深入的分析與研究，並提出了一種基於高質量電阻電路的主從差分延遲結構環形壓控振蕩器，其採用了一種新型的主從差分延遲結構，並用一個更有效、更穩定的負載電阻電路結構來替代vco設計常使用的單個mos管電阻結構，使其系統穩定性有了相應提高。The exportation resistance of a device work device with what link after loading the resistance s the certain connections for should satisfying, in order to prevent mount to load the appearance produce the obvious influence. with each other connect to say to electronics equipments, for example after signal connect the enlarger, ex - class to connect class, only behind first - degree importation resistance before larger than first - degree exportation resistance 5 - 10 times are above, can think the resistance to match good ; connect the box come saying, electronics tube the machine should choose to use with for the enlarger its output to carry the mark to call the resistance the box for, but transistor enlarger then have noing this restrict, can take officing why resistance of equal or approximate box
一件器材的輸出阻抗和所連接的負載阻抗之間所應滿足的某種關系，以免接上負載后對器材本身的工作狀態產生明顯的影響。對電子設備互連來說，例如信號源連放大器，前級連后級，只要后一級的輸入阻抗大於前一級的輸出阻抗5 - 10倍以上，就可認為阻抗匹配良好對于放大器連接音箱來說，電子管機應選用與其輸出端標稱阻抗相等或接近的音箱，而晶體管放大器則無此限制，可以接任何阻抗的音箱。Current research of the technique of ga diffusion and the negative resistance effect of open - tube ga - diffusion transistor are emphasized
重點介紹了目前開管ga擴散工藝的發展現狀和開管擴鐮晶體管負阻效應的研究現狀。Even though much has been devoted to the research of it, the mechanism of the negative resistance effect and the effective means to reduce it are rarely reported
盡管前人對負阻現象作了不少研究，但負阻存在的機理、減小負阻的有效措施等問題卻鮮見報道。Yet the outstanding shortcoming of open - tube ga diffusion is the apparent negative resistance effect in the ic - vce characteristic curve, which is not what we hope
盡管如此開管擴鎵的突出缺點是在特性曲線中的負阻效應較為明顯，負阻現象的存在是我們不希望的。Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer
我們將討論五種不同的方式：標準變壓器耦合；旁饋耦合；電阻性負載電容性耦合至輸出變壓器；膽恆流源負載電容性耦合至輸出變壓器；以及晶體管恆流源負載電容性耦合至輸出變壓器。Remember the following words and expressions : e. g. multimeter ； circuit ， current ； voltage ； resistance ； digital multimeter ； analogue multimeter ； analogue multimeter scales ； zero adjustment control ； zero adjustment control for resistance ranges ； measurement ranges switch ； transistor test socket ； meter probe ； positive terminal ； negative terminal ； anode ； cathode ； red lead ； black lead ； power supply ； connect in parallel ； connect in series
記住萬用表、電路、電流、電壓、電阻、數字萬用表、模擬萬用表、表頭、機械零位調整器、歐姆零位調整器、量程選擇開關、晶體管插孔、表棒、正接線端、負接線端、陽極、陰極、紅導線、黑導線、電源、並聯、串聯等常用英文單詞，並逐步掌握。Then a thorough analysis to the bias - magnetic of ppfc is made. the retraining effects of the main parameters ( include clamping capacitance c, output filter inductor lf, load r, the leakage inductor ls and source winding resistance r ) are studied under the conditions of different von, different ton and different winding parameters. then a conclusion can be drew, that the smaller lf and the bigger r are, the better the bias - magnetic is restrained and c has a best value to retrain the bias - magnetic
分別對管壓降不同，導通時間不同以及兩原邊繞組參數不一致（包括漏感、電阻、激磁電感三種情況）的情況下，主要參數（包括箝位電容c 、輸出濾波電感lf 、負載r 、原邊繞組漏感ls 、原邊繞組電阻r ）對偏磁的抑制作用進行了模擬分析研究，得出lf越小， r越大時激磁磁勢偏移量ni越小， c在其他參數確定時對抑制偏磁有最優值等結論，為參數的優化設計提供了依據。Given that the amendment ordinance does not stipulate that managers of no - smoking premises shall be liable for failure to stop smoking in their premises, of the measures taken by the government to ensure that such managers will do their best to facilitate the effective implementation of the anti - smoking provisions in the relevant premises
鑒于修訂條例沒有規定禁煙場所管理人須對未有阻止其場所內的吸煙行為負上法律責任，政府有何措施確保該等管理人會盡力使禁煙規定在有關場所有效地實施？The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。The nicotine in tobacco products can cause an increase in blood pressure and heartbeat, thus increases the burden on the heart. nicotine also causes blood to clot more easily which may lead to occlusion of the blood vessels
香煙內的尼古丁令血壓增高和心跳加速，增加心臟負荷。此外，它亦會令血液黏性增加，容易造成血管阻塞。Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true
本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法，在深入研究機組動態特性的基礎上，根據發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略（最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略） ，針對不同的作業目的，採用不同的控制策略，應用混雜動態系統理論，把三種控制策略抽象為三種離散事件，建立了拖拉機機組上層（管理層）離散事件切換模型，並建立了基於神經網路的功能決策層模型，從而實現了拖拉機機組的整機最優控制。The device structure and physical models of 4h - sic mosfet and mesfet are built and the properties are simulated with the use of medici software. the influence of the temperature and structure parameter on the device ' s properties is summarized indicates that no negative resistance exists in breakdown property and the breakdown voltage is up to 85v and 209v separately. the maximum power density of 4h - sic mesfet is as high as 19. 22w / mm. at the same time, the processes of sic field - effect transistor is studied and the fabrication processes suitable to sic mosfet are developed.
論文分析建立了4h - sicmosfet和mesfet器件的結構模型和物理模型，採用二維器件模擬軟體medici對4h - sicmosfet和mesfet的輸出特性進行了模擬分析，研究了溫度和結構參數對器件特性的影響，表明兩種器件的擊穿特性均沒有負阻現象，擊穿電壓分別達到85v和209v ，由此得到4h - sicmesfet最大功率密度可達到19 . 22w mm ；同時，研究了sic場效應晶體管的製作工藝，初步得到了一套製造sicmosfet器件的製造工藝流程，研製出了4h - sicmosfet器件。First of all, single port negative impedance oscillator is analyzed in the thesis. a design method of gunn diode vco is introduced and an vco chip using gunn diode is fabricated. the substrate of the vco chip is gaas with dimension of 4. 4mmx3. 9mm
本文首先對單埠負阻振蕩器進行了分析，給出了gunn二極體負阻振蕩器的設計方法，設計出了一個變容管調諧平面微帶gunn二極體vco晶元，該晶元以gaas為襯底，尺寸為4 . 4mm 3 . 9mm 。It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer
以此為根據結合課題需要和實驗室的實際條件，確定vco採用耿氏管腔體振蕩器形式，變容管與耿氏管安裝在同一個腔內以進一步減小體積，採用反向並聯二極體實現諧波混頻;第二章介紹負阻振蕩器理論及其調諧原理;第三章介紹毫米波諧波混頻器基本原理;第四章給出了振蕩器及諧波混頻器的設計過程，整個組件聯調的結果;最後是結束語，分析了電路中存在的問題，指出了改進方向。Different distribution of power loss can be worked out by mathcad software based on the formula reasoning. the result of calculation is consistent with that of the experiment, which proves that this method is right. it is pointed out through the analysis of calculating data that the key to improve efficiency at the same output power is to decrease the peak current and rms current of power switches or the on - resistance of mosfet and windings
由推導可得損耗計算公式，利用數學計算軟體計算出電路輸出從空載到410w阻性負載時損耗分佈變化，該結果與實驗數據基本相吻合，證實了這種方法的正確性；通過對計算數據的分析，指出了進一步提高效率的關鍵在於輸出相同功率時降低功率管的電流峰值和有效值，減小繞組和mosfet的導通電阻。Namely, firstly, the two enterprises ca n ' t cooperate harmoniously. secondly, they keep either enterprise from developing perceptibility and learning from each other, thirdly, they increase the management cost of two sides
企業文化主要的負面影響有三點： （ 1 ）造成兩個夥伴企業事實上不兼容， （ 2 ）阻礙單個企業形成認知能力和學習機制， （ 3 ）加大了戰略聯盟的管理成本。分享友人