輸出小動脈 的英文怎麼說
中文拼音 [shūchūxiǎodòngmài]
輸出小動脈
英文
arteriola efferens- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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The results show that : the glomerulus of the mouse consists of a lobular arteriole within the glomerulus, capillary meshwork lobules and communication branches between the lobules and the efferent arteriolar roots ; there are some sublobular microcirulatary units in lobules ; the glomerulus of chrysolophus pictus is only a tortuous vascular ball ; there are no branches anastomosed between the vascular ; the afferent arteriole is a branch, efferent arteriole is one either, but some efferent arteriole has branches
結果表明:小白鼠腎小球由小球內小葉微動脈、毛細血管網小葉及小葉間交通支和小葉輸出血管構成,小葉可分出亞單位;紅腹錦雞腎小球為一簇迂迴盤曲的血管團,血管間未見有復雜的分支和吻合;小白鼠和紅腹錦雞進球小動脈和出球小動脈均為一支,但有的出球小動脈有分支。The following is the detail design of the pump, and a optimum mathematical model are presented to mostly reduce the helical gear pump flow pulse
在此基礎上進行了斜齒齒輪泵的結構設計,通過建立斜齒齒輪泵齒輪的優化數學模型,優化計算出使輸出流量脈動最小的斜齒輪參數,製造出斜齒齒輪泵樣機。The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %
( 3 )實現了在大功率泵浦、無水冷的情況下cr ~ ( 4 + ) : yag飽和吸收體被動調q ,得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出,脈沖的穩定性為6 。A variable - speed dtc pmsm system is set up to verify the dtc theory in pmsm, that is to control the toque by controlling the torque angle of motor if the stator flux linkage keeps constant. this paper points out the function of the space voltage vector by which the torque angle can be changed according to the need of torque of the motor
主要作了以下開創性的工作:系統地闡述了永磁同步電機直接轉矩控制理論,發展了原有的控制理論,明確了空間電壓零矢量在控制系統中的重要作用? ?保持電機轉矩輸出,減小轉矩脈動,據此提出了包括零矢量的新型控制方法。The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses
組合式雙管正激變換器由雙管正激變換器串並聯構成,應用交錯控制策略,在保留雙管正激變換器功率開關管電壓應力低和可靠性高的優點同時,克服了等效占空比小、副邊二極體電壓應力高、輸出電流脈動大等缺點。Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance
對于已經大量採用高頻軟開關技術的模塊電源,限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件,而磁集成技術由於具有可以減小磁件體積重量,減少磁件損耗,減小輸出電流脈動,改善輸出動態性能等優點,成為目前電力電子技術的研究熱點之一。Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced
由於箝位電容的加入,相對于其他類型的反激式變換器電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率,減小了輸入及輸出濾波器體積。At present, mechanical impulse stepless speed regulators are applied extensively. because the structures of those regulators existing at present have a lot of advantages and disadvantages, it affects their application in the cases that small impulse output and stability are required
機械式脈動無級變速器是目前應用較廣泛的一種無級變速器,現有的各種形式的脈動無級變速器有一系列的優點,但也存在一些不足,影響了該無級變速器在一些要求輸出脈動值小、傳動連續平穩的工作場合的應用。Since it has the advantage of no moving components, impulse signal output, strong medium adaptability, high measurement accuracy, wide measurement range, low - pressure drop, no zero drift and easy to maintenance, it is wide accepted that the vortex type fluid oscillatory flowmeter is ideal flowmeter in the measurement of gas, liquid, steam and mix / corrosive fluid
這類的流量計兼有無運動部件,脈沖數字輸出,計量不受被測流體性質影響,測量準確度較高,量程比寬,無零點漂移,壓力損失小,便於安裝維護等優點,是測量氣體,液體,蒸汽,混合型和腐蝕性流體的理想的流量計。Secondly, considering the need of frequency stabilization, mdrlg ' s light intensity is simulated. the simulations indicate that sharp pulses are produced in the ac light intensity by mechanical dither. as the pulses have a wide frequency spectrum and range over the modulation frequencies of frequency stabilization, mechanical dither may reduce the precision of frequency stabilization
其次,根據穩頻需要對機抖陀螺輸出光強進行了模擬,模擬表明機械抖動會在交流光強中引入尖峰脈沖,且尖峰脈沖頻譜分佈較寬,在小抖動穩頻調制頻率范圍內有功率輸出,因而可能降低穩頻精度。The inverters based on space - vector pwm technique have many good qualities, such as less pulsating torque, higher usage of dc bus voltage, less switching loss, better high - speed regulation performance, so it is applicable for the high - performance motor control system
電壓空間矢量pwm技術( svpwm )將逆變器和電動機視為一體,由之控制的變頻器具有輸出轉矩脈動量低、直流電壓利用率高、開關損耗小、高速調速性能好等優點,適用於高性能電機調速控制系統。At last considering the flow pulsation as objective function, optimization of the parameters of the gear using ga method is brought forward and an optimum model is presented to achieve the optimal parameters of the gear that make the flow pulsation lowest
最後以流量脈動為目標函數,採用遺傳演算法對齒輪泵結構參數進行了優化設計,建立了齒輪泵參數優化數學模型,給出了使輸出流量脈動最小的齒輪泵最優參數。The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome
針對系統的性能指標,做了如下改進:對直流側電壓的檢測,在線調整逆變器導通脈寬、輸出電壓和頻率,可以適應不同大小的恆負載;並用非零電壓矢量作用時間進行補償的方法,減小電機的低速脈動;加入了諧波抑制技術等。分享友人