control ratio 中文意思是什麼

control ratio 解釋
控制比值
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control

    結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2
  2. 3 admix the product according to the stated dosage and strictly control the water ratio

    其特點是:耐腐蝕防老化堅固耐用環保安全。
  3. At present, the competition of oil industry is very fury, so reducing the cost of exploitation of oil is imperative under the situation. but the oil drillers of our country are relatively old, and the control mode drops behind, which result in the long period of making hole and high ratio of aiguille attaint, which is the main restrict factor of reducing the cost of oil exploitation

    隨著石油行業競爭的日趨激烈,降低石油的開采成本就勢在必行,於是研製新型的石油鉆機就顯得尤為重要,因為國內目前使用的鉆機比較陳舊,控制方式非常落後,導致鉆井周期長、鉆頭損壞率高,這是降低石油開采成本的重要制約因素;而且落後的控制方式使得鉆井過程容易發生溜鉆、卡鉆等事故。
  4. In this paper, the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method, which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel

    摘要通過實驗研究,尋找出差動傳動比的精度與斜齒圓柱齒輪的公法線長度誤差的關系,從而為斜齒圓柱齒輪的加工提供一個可以控制斜齒圓柱齒輪公發線長度誤差的有效方法。
  5. Three evaluation methods for the nonrandomized precipitation enhancement operation effects have been developed based on the regional rainfall control and meteorologit cal covariable correlation : dopple ratio analysis evaluation method using regional rainfall ten - dency control for single cloud seeding operation case ; regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall ; and multiple regression analysis with meteorological and physical covariables

    本文根據區域趨勢控制和氣象-物理協變量相關設計了三套非隨機化人工增雨作業效果評估方案:個例作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析評估方案和氣象-物理協變量多元回歸分析評估方案。
  6. Then, six evaluation methods ( double ratio analysis evaluation method using regional rainfall tendency control for single cloud seeding operation case, regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall, multiple regression analysis evaluation effects on the bases of regional developing tendency of rainfall, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation used as meteorological covariate, and float ing control historical regression method ) were compared and analyzed with the case of the cloud seeding operation on 5 april 2002 in henan province

    然後,以河南省2002年4月5日飛機增雨作業為個例,對作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析方案、區域趨勢多元回歸分析方案、以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和fcm方法6種評價方案進行分析比較。
  7. The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state

    本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車( phev )用永磁同步電機( pmsm )展開,所作的工作主要包括以下幾個部分:首先,確立了phev用pmsm電動機運行狀態時的電流控制策略,針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾,提出了初步的解決方法。
  8. The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale

    本文介紹了fed驅動系統的工作原理,重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製,這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路,配合后級列灰度調制單元和行掃描單元,組成完整的fed驅動系統,可以驅動25英寸vga級fed顯示屏,實現彩色視頻顯示,樣機亮度達400cd / m2 、對比度為1000 : 1 ,灰度等級為256級。
  9. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    ( 5 )綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料,研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  10. Along with the a enhancing proportion of hydroelectricity in the whole electricity system in our country, the increase of the single unit capacity, the faults ratio of the large - scale hydropower units is more and more important to the whole system safe operation, if we do n ' t manage it well, it will cause the collapse of the whole system and bring a great loss of country ' s economy, hi addition, accompany with " to dispart plant and grid, connect to the grid according to the price " put into practice, how to control the production cost of the power plant has to be put into consideration

    隨著我國水電在系統中所佔比重的增加及單機容量的增大,大型水電站和機組的故障率對系統的安全運行也越來越重要,如果處理不好,甚至會引起整個系統的崩潰,給國家帶來巨大的損失。另外,隨著我國「廠網分開,競價上網」的逐步實施,如何控制發電廠的生產成本,也將提上各個電廠的議事日程。
  11. The appropriate maximum stories and the appropriate maximum height of buildings are determined by using the various of control index, such as period, shear - compression ratio, allowable value of drift angle etc when earthquake fortification intensity is 8 degree

    用各項控制指標,如周期、剪壓比、軸壓比、層間位移角等進行對比分析,給出在8度區該結構的最大可建造層數和最大適用高度。
  12. Based on the past results, seismic behavior of r. c. frame structure with special - shaped column is studied, according to the members to the structure in sequence in this paper. the main contents are as follows aspects : first of all, aiming at the characteristics of special - shaped column, various control parameters including allowable value of drift angle, axial load ratio etc, are studied

    本文在前人研究成果的基礎之上,就鋼筋混凝土異形柱框架結構的抗震性能,按照從構件到結構的順序展開研究,主要內容如下:第一,針對異形柱的特點,對影響結構抗震性能的主要參數,如層間位移角、軸壓比等進行研究。
  13. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  14. The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size, morphology and surface properties. aot / isooctane / water microemulsions admit to form spherical water cores, which in diameter depends linearly on the water content w ( water - surfactant molar ratio )

    Aot異辛烷水體系可以產生穩定的球形的水核,並且其水核的直徑與體系的含水量w (水與表面活性劑aot摩爾濃度之比)呈對應關系。
  15. Adopting the simplex - barycenter design, optimal mixture ratio among carbendazim and triadimefon and thiophanate - methyl which control wheat scab acre studied in this paper

    摘要採用單形重心設計法研究了多菌靈、三唑酮、甲基硫菌靈不同混合比例防治小麥赤?病。
  16. The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on

    其關鍵技術包括nip信號產生, rs - 422串口通信,控制系統各模塊數據採集和處理,機載天線駐波比及收發信號衰減測量等。
  17. Main products and sales cover various metal fittings including sofa frames, sofa casters, teapoy fittings and screws and threads for industrial purpose including polyamide thread, polyester thread, special thread for thick - leather sofa, special thread for leather products and thread for industrial fishnet. the company has been provided with advanced technology and equipment, high quality professional technicians and strict business administration and quality control from the design, modeling, production and sales of product and strived for the best performancd - price ratio for customers

    本公司主要生產銷售各類沙發架、沙發腳、茶幾配件、螺絲等五金配件,同時亦生產棉綸線、滌綸線、厚皮沙發專用線帶,皮具特品線、工業漁網線等,公司技術,設備先進,擁有高素質的專業技術人才及嚴格的企業管理,產品從設計,模具生產到銷售均嚴格控制,為客戶追求最高的性能價格比。
  18. The mn / sr value considers the mn content for control factors of cathodoluminescence and the relative content of the marine versus terrigenous elements. so the mn / sr ratio is the relatively comprehensive discrimination criterion for controlling the alteration of marine carbonate

    Mn sr比值在考慮了控制碳酸鹽陰極發光性的mn含量的同時,兼顧了海相和陸相元素的相對含量,因而是一種較全面的成巖蝕變性判斷標準。
  19. We made use of wheatstone bridge to control ratio of heating power between the samples, thus, it enable to control and measure the differential heating power accurately. consequently, it improves sensitivity of the system. the resolution of the measurement can reach from 1 : 1000 to 1 : 10000 or better in comparison with the traditional differential technique

    我們測量了聚苯胺及其摻雜鹽酸后在1 . 8k至45k的熱容,利用聲子分形子模型來處理非晶態對比熱的貢獻,對獲得的數據進行處理,發現eb和es的比熱數據均不符合德拜理論,超出德拜模型的比熱來源於非晶態的貢獻。
  20. Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic

    空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管
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