無載速度 的英文怎麼說
中文拼音 [wúzǎisùdù]
無載速度
英文
free 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...
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 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...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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In the home, fso could be used together with interior lighting to provide extremely fast internet downloads
在家裡,無線光通信可同室內燈光一起提供極高速度的因特網下載。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果Due to the release by the rarefaction wave from the rear of copper impactor, and with the measurement of the velocity at the interface of sample and window, the release path was detected
利用來自飛片后界面稀疏波對被測樣品卸載,測量了樣品窗口界面的粒子速度剖面,得到了無氧銅的卸載路徑。Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。First flown in 1995, the predator is a flimsy drone that flies as slowly as a cessna and can carry far less weight
「掠奪者」於1995年首次飛向天空,它是一架非常易毀的無人駕駛飛機,其飛行速度如同任何飛機降落時的速度,而且其承載能力微乎其微。High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained
採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot
卸載路徑的計算和分析表明:在所研究的壓力范圍,無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的;卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差,隨沖擊波壓力的增加而增大。Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。The programme logic controller is utilized to control the inverter ' s output frequency which accomplishes controlling the velocity of speed - controlling asynchronous moter. the velocity between main asynchronous moter and speed - controlling asynchronous moter is composed by way of the differential planetary gear train, the tranmission system is made to regulate velocity stepless in large scope which succeed in controlling starting progress of load
使用可編程式控制制器對變頻器的輸出頻率進行控制,實現對調速電機轉速的控制。調速電機與主電機的轉速經差動行星輪系的速度合成,可使傳動系統在很大范圍內無級調速,實現對負載的可控起動。The interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大Abstract : the interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
文摘:研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大However, because of the low speed of program operation and the invalid blocks of flash memory, if we want to make it the storage medium of solid state recorder on the spacecraft, several problems need to be resolved : 1 ) how to improve the speed of program and erase operation of flash memory ; 2 ) how to map out and bypass the invalid blocks and effectively manage the mass memory space
但是由於flash的寫入(編程)速度慢、存在無效塊等問題,使要將其應用於星載大容量存儲器,亟待解決以下幾個問題: ( 1 )如何有效地提高閃存的編程和擦除速度; ( 2 )如何標識和旁路初始和使用過程中出現的無效塊,並有效地管理大容量數據存儲器。Ps : i ' m sure we can even provide the mp4 format of the relevant vedios let alone mp3 if toyworld can give us a hand
目前還無法提供mp3格式下載,非常抱歉,有些課件比較大,分割和轉化格式已經嚴重影響了我們的更新速度。不過我們會考慮,謝謝您的建議。The study showed that under contain load and input speed, the output speed of the coupling could be controlled by modulating the strength of the applied dc field, which provides a new control means for continuous speed modulating of a transmission system
實驗表明,在確定負載和輸入速度下,可以通過調節直流電場控制聯軸器的輸出速度。這為傳動系統的無級調速提供了一種新的更簡便的手段。The main production of hiro lift is including the different speed and capability machineroomless passenger elevator, machineroomless house elevator, machineroomless scenic elevator ; glass shaft scenic elevator ( mode and good - looking, special for the rebuilding and adding ) ; small machineroom and machineroom elevator ; the machineroom elevator for high living building ; the handicap elevator for old person and disabled person
公司主要產品有各種速度和載重的無機房乘客電梯、無機房住宅電梯、無機房觀光電梯;玻璃井道觀光客梯;小機房和有機房客貨電梯;有機房高層住宅電梯;針對老年人設計的扶手電梯;針對殘疾人設計的特殊電梯等。The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution
其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊電流小,可頻繁操作;無電弧產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。The results of the studies show that, when fine medium belt, proper load and velocity are selected, the transmission performance of gear with meshed medium belt is superior to invloute gear ' s ; furthermore, it can be lubricated with water, and it ' s effects are almost fine to the lubricant effects with oil. so we can realize a " green lubrication " type of gear transmission
試驗結果表明:選擇適當的介質帶材料和一定的載荷速度條件,帶式嚙合介質齒輪的傳動性能優于漸開線齒輪,並可用水進行潤滑,幾乎達到在油潤滑條件下的效果,實現一種節能、無污染的綠色潤滑齒輪傳動;相對于漸開線齒輪,帶式嚙合介質齒輪具有顯著的減振降噪作用,動態特性優越。High speed - railway is doubtless to bring new vital force for railway transportation. but with the speed and the load increasing, the motivity between wheel and rail increases rapidly which can bring the kind of damage to vehicle and line and more seriously can lead digression
高速鐵路無疑為鐵路運輸帶來了新的生機,但隨著鐵路客運運行速度的日益提高以及貨運運載重量的不斷增加,輪軌之間的相互動力作用就會急劇增加,對車輛及線路帶來各種損壞,甚至發生脫軌。That is, the occasional situation where the object of interest passes directly overhead ( 90 zenith pass ). azimuth axis must rotate nearly 180 ? instantly. therefore, the standard two - axis altitude - azimuth pedestal will be unable to remain pointed at the object through the zenith pass event
所謂天頂盲區問題是指目標過天頂時對地平式設備方位軸有一個極大的過載要求,需要方位軸瞬時調轉180 (或略小於180 ) ,此時方位變化的角速度和角加速度在數學意義上是無窮大,導致目標丟失。All types of connections from dialup to dsl, cable, and wireless
光纜無線從根本上提高下載速度。分享友人