direct conversion 中文意思是什麼

direct conversion 解釋
採用了直接轉換
  • direct : adj 1 筆直的,一直線的;正面的。2 直接的。3 直截了當的,直率的,明白的。4 直系的,正統的。5 【語...
  • conversion : n 1 變換,轉化,轉換;換算,換位。2 (意見、信仰等的)改變〈特指改信基督教〉;(車身,設備等的)...
  1. New progress in study of methane direct conversion and syngas technology

    甲烷直接轉化及制合成氣研究新進展
  2. The architectures of the receiver are rf pass band direct sampling and if pass - band sampling with high - speed analog to digital converter after rf to if conversion. the first kind of architectures is hard to realize because of the requisition of devices is too high

    軟體無線電接收機分為射頻直接帶通采樣和將射頻信號變換到中頻后再進行帶通采樣,前者實現較難,對器件的要求太高,然後進行各種數字處理。
  3. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究,表明除正常幼苗百分率外,其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關,因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展,指明通過遺傳育種手段改良這些性狀是可能的
  4. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃直線斜邊磨邊機是用於玻璃直線斜邊斜切,斜磨及光拋的專用設備,在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制系統採用plc控制。輸入加工參數后可自動完成磨削傳送速度採用變頻調速,磨頭電機直接傳動,所有加工參數調整運動副全部採用直線滾動導軌,前梁與磨頭整體升降,輸入輸出傳送採用同步形帶,光電開光定位,雙行程限位更安全可靠。
  5. A portable wind cable can be measured in a variety of circumstances, not by the winds of change cable circumstances measuring wind cable tension ; both of arbitrary moment of absolute tension cable wind, the wind can monitor cable tension variation ; construction equipment to the wild environment ; lightweight structures, the demolition convenient, simple measurement ; the intelligent measurement mode, can provide a wide range of choices rope specifications directly measured wind cable tension that the absolute need for conversion, and misoperation automatic alarm functions, measurement more convenient, direct, accurate and high degree of automation

    一種便攜式纜風測力器可在各種施工環境下,在不改變纜風受力的情況下測量纜風張力;既能測量任意時刻纜風張力的絕對值,又可監測纜風的張力變化;裝置適應野外施工環境;結構輕巧、安拆方便、測量簡捷;在智能化測量模式下,能夠提供多種鋼絲繩規格的選擇,直接顯示被測纜風張力的絕對值,無需換算,並有誤操作自動報警功能,測量更加方便、直接、準確,自動化程度高。
  6. Abstract : this paper pointed out a few problems of series, harmonic and efficiency etc., to be needed considering, it introduced constructed by all - controlling power electronics device igbt by means of multi - pwm control technology, and this kind of convertor can be the used for direct frequency conversion governorof midolle / high - voltagea. c mo tors

    摘要:提出用於高壓電動機變頻調速電源需考慮的串聯、諧波和效率等幾個問題;介紹由全控型電力電子器件igbt按多重化pwm控制技術構成、目前已商品化的高壓變頻器,可用於中、高壓交流電動機的直接變頻調速。
  7. This is a newly introduced slight shocking, direct driving centrifugal hyro - extractor. the electric locomotive on its base is semi - closed, internal ventilating, self cooling, weight adding and energy saving. the internal drum and rotational drum are istalled on the axel of the locomotive and drived directly, which effectively decreases energyloss, and simplifies therotation. acontrolling box is used in the machine to start through frequency conversion. and stop through resistance. the showing board shows the rotation speed and adjusts the speed and time. the featues of this machine areenergy saving, durable and repair infrequent. this machine is spcially used for cloth hydroectraction

    本機系最新引進直微震直驅式離心脫水機,它使用半封閉內通風自冷加重型專用節能電機裝于中間底座,內桶及轉鼓裝于電機軸而直接驅動之,有效地減小了多功能損耗,簡化了傳統的多級繁瑣轉動,本機配有一個電控箱機變頻起動,電阻剎車於一體面板有轉速顯示並可調速度及時間,該機特點省電、耐用、維修機會極少,本機適合布匹脫水使用。
  8. The most direct way for prop2xlf to do this conversion is to develop an application that loads and parses the source java properties file, and converts it into the target format xliff based on some specific mapping rules

    Prop2xlf完成這種轉換最直接的方法就是開發一個應用程序,載入並解析源文件( java屬性文件) ,然後按照某種特定的映射規則轉化成目標格式( xliff ) 。
  9. Note : 1, the maximum average concentration of planktonic bacteria law numerical brackets. 2, the concentration of bacteria measured the direct result of the settlement and not the result of planktonic conversion act

    注: 1 、浮遊法的細菌最大平均濃度採用括號內數值。 2 、細菌濃度是直接所測的結果,不是沉降法和浮遊法互相換算的結果。
  10. After the mathematical model of asynchronous electromotor is build, the method of space voltage vector is taken to discuss the essential principle and structure, and arithmetic of direct torque control, and the application of circular magnetic chain self - operated control and the technology of sensor without velocity in direct torque frequency conversion timing are emphasized

    在建立異步電動機的數學模型之後,採用空間電壓矢量分析方法討論了直接轉矩控制的基本原理結構及其演算法,著重研究了圓形磁鏈自控制和無速度傳感器技術在直接轉矩變頻調速中的應用。
  11. Besides, the author advocates that the abstract of instrument will have such effects on the direct parties in the legal relationship of instruments as the conversion of onus probandi, and that the creditors " right in legal relationship will influence the creditors " right in fundamental relationship

    此外,筆者認為票據的無因性在票據關系的直接當事人之間並非不產生任何效力,如舉證責任倒置等;還有在票據無因性下,票據債權對原因債權會產生不同的影響
  12. Our focus and our direction is to become the most customer - friendly, low cost provider of high quality copper and copper alloy products while generating an above average return on investment for our owners. oxygen - free high conductivity copper is produced by the direct conversion of selected refined cathodes and castings under carefully controlled conditions to prevent any contamination of the pure oxygen - free metal during processing. the method of producing ofhc

    江銅銅材有限公司可以生產各類品種規格的銅及銅合金產品,公司的主導產品-無氧銀銅合金材料和銀銅合金異型排,廣泛應用於家電汽摩配電動工具等產品的各種電機換向器,該產品生產歷史悠久,技術先進,質量可靠,深得用戶好評,市場佔有率在國內名列前茅,並逐年上升。
  13. Prestack migration method, based on wave motion equation, is also developed for receiver function, and compared with ray method. both p - to - s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse - time migration for data gather including all receiver functions recorded in all seismological stations for one event, and imaging profile is finally obtained by stacking for all events

    本文還在接收函數射線反投影疊加成像的基礎上,提出了一種基於波動方程的接收函數疊前偏移成像方法,將同一事件接收函數中的轉換波和直達p波震相以各自的速度向深度方向逆時延拓成像,並通過不同慢度接收函數的疊加,得到最終的偏移成像結果。
  14. Recent progresses in the study on the conversion of syngas to ethylene glycol, including direct synthesis by syngas and indirect synthesis by methanol and formaldehyde or oxalate, are introduced

    摘要介紹了合成氣合成乙二醇的工藝進展情況,包括合成氣直接合成法、甲醇甲醛合成法和草酸酯法等。
  15. Considering the practicality in specific design, the two different drive system has been designed in the electrical control system, this is, the hoist and gantry uses a set of the ac ( alternating current ) frequency conversion timing drive system, the trolley and boom uses a set of the dc ( direct current ) adjusting voltage and timing system

    在具體設計時考慮到實用性,設計的電氣控制系統中採用了兩類不同的驅動系統,即起升與大車共用一套交流變頻調速驅動系統,小車與臂架俯仰共用一套直流調壓調速驅動系統。
  16. Considering the practicality in specific design, two different drive systems are designed in the electrical control system, that is, the hoist and gantry share a set of alternating current frequency conversion timing driving system, and the trolley and boom share a set of direct current adjusting voltage and timing system

    考慮到實用性,設計的電氣控制系統採用兩類不同的驅動系統,即起升與大車共用1套交流變頻調速驅動系統,小車與臂架俯仰共用1套直流調壓調速驅動系統。
  17. Study on method conversion of direct torque control

    軸承套圈鍛造過程的計算機模擬研究
  18. According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented

    從等效交-直-交變換的空間矢量調制方法出發,深入分析了矩陣式變頻器的變換關系,導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術,闡述了矩陣式變頻器的換流控制策略,分析了輸入濾波器和過電壓保護電路的設計方法,實現了矩陣式變頻器的建模和運行分析。
  19. Matrix converter ( mc ) is a power converter based on ac - ac direct conversion. more and more attention is paid to mc depending on its adventages, such as omitting the dc part, obtaining unit power factor, getting sinusoidal input currents and output voltages and easy to realize bidirectional flow of energy

    矩陣變換器作為交交直接變換的功率變換器,以其無中間直流環節、具有單位輸入功率因數和良好的正弦輸入電流、易於實現能量雙向流動等優點受到了國內外學者的廣泛關注。
  20. Over the past years, solid oxide fuel cells ( sofcs ) whose merits are clean, efficient and environmental - friendly, have attracted great attention for their use in the direct conversion of chemical energy into electrical energy through electrochemical reaction

    固體氧化物燃料電池( sofc )是通過電化學反應,將燃料中的化學能直接轉化為電能的發電裝置。它具有清潔、高效、環境友好等諸多優點,近些年來備受關注。
分享友人