無動力速率 的英文怎麼說
中文拼音 [wúdònglìsùlǜ]
無動力速率
英文
power off speed- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 率 : 率名詞(比值) rate; ratio; proportion
- 速率 : speed; rate; tempo
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Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電機控制系統模擬實驗打下基礎。Ratio control of cvt is the key for engine running according to ideal curve, and controlling thrust of driving and driven pulley reasonably can improve efficiency and extend life - span of metal belt, and it is coupling relation between control of ratio and thrust
無級變速傳動系統的速比控制是實現發動機按理想工作線運行的關鍵,合理控制主、從動帶輪的夾緊力能提高傳動效率和金屬帶的壽命,而夾緊力和速比控制存在耦合效應。Comparing with the stockjobbers outside, although we can also enjoy the same treatment with others, we are still too weak even from the capital size capital strength managerial mechanism managerial efficiency to the stuff of talented person along with entering the wto, our stock market will completely be opened, abroad stockjobbers will threaten our stockjobbers seriously when they are familiar with the operations of our lacal ones, however, we can also obtain more and more opportunities at the same time : the market of our local stockjobbers will become wider from local to international capital market, it can advanced the speed of our local securities industry to improve the system conditions, to renovate manage system, to ameliorate the technic measures, to enrich the xervice breeds ; besides, it can also drive us to adjust the economica l structure, optimize the station of resource, transform the manage mechanism, all of these will provide a wider space for the local stockjobbers after entering the wto, the main develop trends of local stockjobbers are express at : invest - banking operations will become more important, the broking competition will be more fury, the property management will become the rising point of new profits of us
雖然按對等原則,我國證券業也可以進入其他締約國金融市場並享受該國資本的同等待遇,但與境外券商相比,境內券商無論是在資產規模、資金實力、管理機制、經營效率,還是人才素質上,都無法與之抗衡。加入wto后,證券市場終將全面開放,國外證券公司在熟悉中國證券市場的操作后,將對國內券商的業務構成嚴重的威脅,以往國內券商發展業務的許多手段都將很快失靈,從而對券商的經營思路和發展戰略產生深刻的影響。然而,加入wto也使我國證券業獲得了更多新的發展機遇:將使國內券商的生存發展空間進一步拓展到國際資本市場的大舞臺;將從外部促使中國證券業向著市場化、規范化和多功能化的國際證券業發展趨勢快速推進,從而使證券業發展的制度環境得以改善;將促使我國券商更新管理體制,提高管理水平,改進和創新技術手段、業務方式和服務品種,提升競爭層次;此外,加入wto還將推動我國的經濟結構調整、資源優化配置和企業經營機制轉換,為券商開拓業務和進行各種創新活動提供了了廣闊的空間。Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking
本文針對輸入功率為1 . 5kw ,最大輸出轉速,額定輸出轉速的無級變速器的設計要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination
對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明,建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種,其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等,其種子庫密度在早期以近幾何級數的方式增長,元江栲、銀木荷種子庫小,存在時間短,翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety
動力性能:風冷二沖程發動機,功率強大,多種進口件組裝,性能穩定可靠,壽命長;優異的啟動性能,保證您不超過三次拉動,即可啟動發動機;採用無級變速裝置及性能優良的碟剎系統,使整車運行安全可靠,操縱方便;鏈式傳動,令功率損失減至最小。Even if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation
本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據,可以明顯提高保護動作速度和減少計算量;具有較強的抗ta飽和能力,在區內故障時無制動,區外故障時有極強的制動特性。Servo control computer system / microcomputer universal testing machines, ozone tester, compression flexometer, computer hdt / vicat tester, digital impact tester, melt flow indexer, moving die rheometer, mooney viscometer, lamination of pvc plastic press tester
伺服控制電腦系統微電腦式拉力試驗機,耐臭氧機,橡膠壓縮生熱試驗機,塑料用維卡熱變形,數位沖擊試驗機,塑膠熔體流動速率機,無轉子密閉膜腔硫化儀,門尼黏度試驗機等等。Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work
對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌道偏心率的球狀星團更容易瓦解。Based on the analysis of bugs of general planetary bevel - type cvi, a new design concept, which is about the shape modification of planetary disk, is presented for improving the planetary bevel - type cvt reported in paper [ 1 ], the purpose of the new concept is to improve the stress of the main parts, in order to reduce sliding rate and to achieve transmission with constant power and constant sliding rate
摘要在分析通用行星錐盤無級變速器缺陷的基礎上,提出了針對文缺[ 1 ]所述的恆功率行星錐盤無級變速器的錐盤形狀進行改進的設想,以改善主要工作件的受力狀況,降低機器滑動率,並最終實現恆功率恆滑動率傳動的目的。The entire drive mode adopts hydraulic + machine drive, enables the workover units & truck substructure of the rig achieving flexible stepless speed regulation ; the cat engine and allison transmission matches rationally, reliably, highly efficiency, firmly which raises the utilization ratio of engine capacity
整體傳動形式採用液力+機械驅動,實現了修井機的修井裝置和載運車底盤的柔性無級調速;卡特匹勒發動機與阿里遜力傳動箱匹配合理,安全、高效、穩定,提高了發動機的功率利用率。3 ) based on experimental analysis, the relation among the speed ratio changing rate, oil pressure of driving and driven pulley cylinders, driving pulley input speed and torque, metal belt speed ratio has been studied. model for getting the ratio changing rate is put forward, and practical equation giving the ratio changing rate is obtained by experiments
3 )通過實驗分析,研究了主、從動輪油缸壓力、主動輪轉速、輸入轉矩和帶式無級變速傳動速比與速比變化率的關系,建立了獲取cvt速比變化率的模型,導出了符合實際規律的實用計算公式。The universal relaxation rate function and dynamic processes in disordered materials
無序材料中普適的弛豫速率函數及其動力學過程Now the common means of testing the performance of engines in real time is noload dynamometer test, which computes the engine power by measuring the average accelerate time
目前國內外常用的發動機動力性能實時檢測系統是採用無負荷測功法,即通過加速后測定平均加速時間的方式來計算發動機的功率值。Px has no effect to hb concentration in three kinds of exercise training, but can decrease the bun concentration of one internal training group in the times of calm and immediately after training. and px has the function of decrease the ck release speed of muscle immediately after training and speeded up the recovery of ck
服用px對三運動模型大鼠hb無顯著影響;但可以降低一次性間歇運動后即刻和安靜時的bla濃度:同時,可以降低耐力訓練模式和間歇訓練模式的運動后即刻的ck釋放速率,加快ck的恢復。In this paper, probability concepts are applied to establish the probabilistic analysis method on dynamic stability of high - speed railway cwr. dynamic stability and its reliability of high - speed railway cwr are analyzed on the base of first - passage failure criterion. this paper aims to give out design reliability index and the safe allowable temperature limits under design reliability index for high - speed railway cwr dynamic stability in china
本文運用概率統計理論,提出無縫線路動力穩定性的概率分析方法,基於首次超越失效準則分析了無縫線路動力穩定性和及其可靠度,提出我國高速鐵路無縫線路穩定性的目標可靠指標建議值,確定了滿足預期目標可靠度的允許溫升標準。The experimental results indicate that the initial reaction rates of nano - nah are several orders of magnitude higher than those of the commercial one. the large specific surface area and the high surface energy of nano - nah should be the main factors for their extremely high chemical reactivity. with nano nah, many reactions can be carried out efficiently
實驗進一步說明,納米nah能使某些原來熱力學上允許進行但動力學上難以進行或"不能進行"的有關反應得以進行;使一些過去認為低收率無價值的反應,大幅度提高反應速率和產率,使其成為有實際意義的反應。In the detached leaf test, tr within 12 minutes after leaf detached exhibited a irregular wave. average tr ( atr ) had a a slight increase at prophase then declined. trend of liner atr presented well controling tr property
在離體葉片蒸騰變化試驗中,離體葉片12分鐘內蒸騰失水速率表現為無規則律動;平均蒸騰速率初期「 tr )有一個小的上升趨勢,然後下降: r的線性分佈較好地體現出離體葉片對蒸騰速率的控制能力。Packaging pills with their own bodyguards ( in this case, molecules called protease inhibitors ) could enable protein - based drugs to survive, but it would not aid them in crossing the gut lining ; they are too big to slip into the blood as easily as more typical drugs, which generally consist of small molecules
為藥物配備保鏢(上述例子的保鏢分子稱為蛋白酶抑制劑) ,雖然可以讓蛋白質藥物保存下來,但卻無法幫助藥物穿過腸壁,因為這些分子太大,無法像一般小分子藥物那般輕易進入血液,而且包覆層對藥物動力學(藥物進入血液的速率以及停留在身體組織與器官的時間)的控制能力也相當有限。分享友人