超前速率 的英文怎麼說

中文拼音 [chāoqiánsùlǜ]
超前速率 英文
advancing rate
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 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
  • 超前 : speed-up; outstrip; lead; leading; preact; prediction; [航海學] advance; advancing
  • 速率 : speed; rate; tempo
  1. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  2. Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )

    半絕緣gaas光電導開關（ photoconductivesemiconductorswitches簡稱pcss ' s ）具有兼備寬頻帶和高功率容量特性，使其在超高速電子學和大功率脈沖產生與整形技術領域（大功率亞納秒脈沖源、超寬帶射頻發生器等）具有廣泛應用前景。
  3. The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost

    該保潔車有七大特點： 1 、該車外型設計美觀大方，操作簡單靈活，明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱； 2 、佳鹿電動保潔車變速箱是我公司的專利產品，特點是拉重貨，輕松爬坡而且省電，延長電瓶的使用壽命； 3 、佳鹿電動保潔車后橋雙輪制動，是我公司的專利產品，特點是結構簡單，操作方便，維修容易，制動性能好； 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度，使環衛工人能輕松地裝卸，倒車時具有良好的視線，減少事故的發生，安全系數高； 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力，減輕了環衛工人的勞動強度，特點是故障少功率大，免維護； 6 、佳鹿電動保潔車整車採用鋼化玻璃，前進倒車都有良好的視線，不易劃傷，保證環衛工人的安全； 7 、佳鹿電動保潔車外部採用鋼板，內部採用玻璃鋼內膽，外部特點：鉸鏈在鋼板上不易松動，經常自卸不變形，經得起碰撞，內部採用玻璃鋼內膽，不生銹、不腐蝕，磨損后內膽可以更換，維護成本低。
  4. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  5. Current projections of general circulation models imply rates of change of the global climate system that exceed those of almost any natural variation in the geologic past

    當前的一般循環模型顯示，全球氣候體系的變化速率超出了幾乎所有過去地質上的自然變化。
  6. The hsrs is very attractive for commercial application because it enables the material to be superplastic forged

    材料的高應變速率超塑性能使材料可進行超塑性鍛造，使得該項技術具有誘人的工業應用前景。
  7. In the pre - procession of front radio frequency, the super - heterodyne technology which get proper a / d sampling rate through choosing a proper frequency and bandwidth is adopted

    射頻前端預處理採用成熟的超外差技術，選擇合適的中頻和帶寬，得到合適的a d采樣速率。
  8. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  9. Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed

    結果表明： （ 1 ） cbt在低溫協迫下，細胞圓縮，細胞核變形，染色質濃縮且邊位，細胞質空泡狀；細胞死亡率隨處理時間的增加而增加；細胞內鈣離子濃度隨處理時間延長而遞增；線粒體膜電位差在低溫處理早期急速上升，隨后一直下降；細胞內超氧陰離子（ o _ 2 ~ - ）在低溫處理前期出現高峰，接著呈下降趨勢；細胞內sod活性在低溫處理前期減弱，接著上升，然後持續下降。
  10. The variations of the surface state and environment conditions could change the procedure of exfoliation, therefore, the potentiometry and electric resistance methods in this paper are used to measure the exfoliation rate of aluminum alloys in a constant temperature, the experimental results show that relations of natural corrosion potential vs time have a resemblance to those of corrosion rate vs time, both relations are all at the different change rates in the front and back of 120 minutes

    超硬鋁合金表面狀態、環境條件的變化，均可能改變剝蝕的發展過程，為此，本文提出在恆溫條件下，用電位法、電阻法定量研究鋁合金的剝蝕性能。實驗結果顯示了lc4cs鋁合金的自腐蝕電位與時間的關系，和腐蝕速率與時間的關系有著十分相似的規律，兩者均在120分鐘前後有不同的變化。
  11. But the nnd algorithm can " t reach 2 - order precision, and the cell - centred finite volume algorithm is not suit to solve hypersonic problem. for the efficiency of the four - stage runge - kutta time - stepping scheme is low, and the robust is bad for the hypersonic problem, an implicit time - stepping scheme is adopted. this scheme can preserve the results precision and improve the computing efficiency sharply, and is an innovation for the time - stepping scheme of unstructured grid

    為了解決目前傳統四步龍格一庫塔時間推進效率較低、計算高超聲速流場時魯棒性較差的問題，本文改進並採用了一種隱式時間推進格式，能夠在保證精度要求的情況下有效的提高流場計算時的計算效率，對基於非結構網格的時間推進格式有了發展和創新。
  12. Then inversion of the advanced detection is caried out by least square method

    然後採用最小二乘法對超前探測視電阻率曲線進行快速反演。
  13. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在凹地形上傳播時，能通量在模態上的分佈范圍也比較寬，但與凸地形和超臨界線性斜坡地形相比，能通量在高模態上的分佈沒有明顯的峰值。 4 、從總的能通量來講，內波在凸地形和凹地形上傳播時，向高模態散射的能通量與向低模態散射的能通若十地形下內波傳播及內潮生成問題的理論解量近似相等，這意味著二者在向高模態散射能通量方面具有同等效率。 5 、凸地形上臨界點附近的反射，反射波的波射線能夠延伸到深海和陸架，凹地形上臨界點附近的反射，反射波的波射線很快遇到地形發生二次反射，一般來講二次反射后回到深海的波動其速度剪切並不很強，但是在進行二次反射之前的區域，速度剪切仍然很強，因而內波在凹地形上的反射依然能夠在地形附近區域，產生強的速度剪切區，誘發混合。
  14. At present china is in the acceleration stage of the town development, and chongqing has also entered the town acceleration phase. to the end of the year 2002, the total population of chongqing was 31070 thousand, among them the town population 11310 thousand, and the urbanization rate was over 30 % in 2002

    中國目前正處于城鎮化發展的加速階段，重慶也進入了國際公認的城鎮化加速期，到2002年底，重慶市全市總人口3107萬人，其中城鎮人口1131萬人，全市的城鎮化率已超過30 。
  15. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。
  16. " it is no doubt a growing trend that as faster and more efficient ultra long haul aircraft become available, more and more key routes in the world which are presently served with intermediate stops would eventually be replaced by non - stop services, " he said

    他說：無可否認，有趨勢顯示隨著更多速度較快和更有效率的超長途航機面世，越來越多目前需要中途停站的主要國際航線日後最終會被不停站服務取代。
  17. In its latest “ china quarterly update ”, the world bank says that in the first half of 2007 china grew faster than its potential growth rate ( currently estimated at around 10. 5 % ) for the first time in a decade ( see chart 2 )

    在最近"中國季度更新"報告中，世界銀行說，在2007年上半年，中國增長速度超過了潛在增長率（估計目前大約有10 . 5 ） ，為十年來首次（見圖表2 ） 。
  18. The effects of the pollution of the atmosphere could well be much more dangerous than previously thought, causing dramatic changes that are much too abrupt to accommodate natural rates of adaptation

    大氣污染的影響對于氣候的變化比我們以前想象的更為嚴重，這種戲劇性的劇烈變化已經超出了自然能夠適應的速率。
  19. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。
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