asi 中文意思是什麼

asi 解釋
阿瑟
  1. 3. the resin membrane extracted soil k was significantly correlated with k uptake of corn seedling in pot experiment, water soluble k and asi - k in soil

    在用樹脂膜室內埋置法提取土壤鉀素、評價土壤供鉀能力時,只需用0 . 5mol lhcl解吸一次即可。
  2. A cascade asi experimental prototype with instantaneous control strategy is accomplished. all the guide lines attain the expected request in the all - sided tests

    製作了一臺瞬時值控制的級聯型航空靜止變流器,進行了系統的電氣性能測試,各項指標都達到預期性能。
  3. Asi s. i. abbr. airspeed indicator

    空速指示器
  4. Australian securities and investments commission asi

    澳洲證券及投資監察委員會澳洲證監會
  5. Each single - phase asi works separately. thus modular design can be realized conveniently. the analysis shows that it has good performance even with unsymmetrical load

    每一相靜止變流器既可用作單相靜止變流器,也可以通過適當的外部控制組合成三相靜止變流器,便於模塊化設計,可維修性高。
  6. This study dealt with the identification and evaluation of 8 maize populations from tropical and subtropical regions under the ecological conditions in zhengzhou, henan. results showed that the significant delaying days to shed and days to silk, discoordinating for the development of male and female, higher plant and ear height, more leaf numbers, high barreness, worse performance of ear traits compared with the ck ( temperate population ) were found, which showed the tropical and subtropical populations could not be utilized directly under the ecological conditions in zhengzhou. by using selection and improvement the tropical and subtropical populations can be used to broaden the genetic base of temperate maize breeding, beause of the greater genetic variation and higher selection potential within each population. the different performances of the sensitivity to photoperiod were observed among different tropical and subtropical populations and different traits. the asi, time to silk, ear height, leaf numbers, grain yield per ear could be used as the good evaluation traits for identifying the sensitivity to photoperiod

    對8個熱帶、亞熱帶玉米群體在鄭州生態條件下的表現進行鑒定和評價,結果表明,熱帶、亞熱帶群體散粉、吐絲期顯著延遲,雌雄不協調,植株和穗位高、葉片數增多、空稈率高,結實性差,果穗性狀均明顯劣於溫帶對照,在鄭州生態條件下不能直接利用,但是群體內具有較大的遺傳變異和選擇潛力,可以用來拓寬現有玉米種質的遺傳基礎;不同熱帶、亞熱帶群體的光周期敏感性不同;不同性狀對光周期反應的敏感程度不同, asi 、吐絲期、穗位高、葉片數、穗粒重可作為鑒定光周期敏感性的較好指標
  7. Some experts argue that the mud causes variations in the marble ' s whiteness and exposes it to fungus and even worse staining, but the asi says that it is the only way to clean it without causing serious damage

    一些專家質疑這種辦法會影響大理石的潔白度,滋生菌類,反而會使大理石面變得更臟,但印度考古研究所稱這是唯一不會對泰姬陵造成嚴重破壞的清洗辦法。
  8. At present the concentrated power conversion is adapted by most of the aviation static inverter ( asi )

    目前航空靜止變流器多採用能量集中變換方式,這導致系統熱損耗集中,可靠性低。
  9. By calculating the calc - alkali index ( ca ) and alumina saturation index ( asi ), the magma types of the granites can be roughly determined

    通過鈣堿指數( ca )和鋁飽和指數( asi )的計算,可以大體獲知花崗巖的巖漿類型。
  10. Asi have already replaced the rotational converter in western developed countries since the 70 ' s

    歐美先進國家早在70年代就已經用asi取代了旋轉變流機。
  11. The rotational converter could not satisfy with the requirement anymore. compared with the rotational converter, asi is better in the efficiency, power density, reliability and electrical quality

    與傳統的旋轉變流機相比, asi具有效率高、功率密度高、無噪聲、可靠性高、壽命長、供電品質好、維護方便等優點。
  12. Design the encoder and decoder of manchester code, which can encode and decode the manchester code of 167kbps. develop the executer for asi master, which could download the user program for control

    設計了曼徹斯特編碼解碼器,可以編解167kbps的曼徹斯特碼; ( 3 )開發了asi主站的執行控制器,具有程序下載功能。
  13. Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance

    航空靜止變流器( asi ? aeronauticalstaticinverter )是航空電源系統的二次電源,其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ,單相36v 400hz ,三相115v 200v ,或三相36v交流電,供飛機上負載使用。
  14. The mud treatment, which costs about ? 115, 000, was first tried six years ago, according to the asi

    據印度考古研究所介紹, 「面膜」翻新工程將耗資約11 . 5萬英鎊,這一方法於六年前首次試用。
  15. On the base of the research result mentioned above, a novel three - phase combined asi is proposed hi this paper, which is made up by three single - phase asi

    在以上對單相逆變器研究工作的基礎上,進一步研究了正激直流環節三相組合式軟開關逆變器。
  16. 23 drought - resistant germplasm were selected as study material from more than 1000 locale maize germplasms collected in guizhou. 11 characters including plant form, yield factor, asi ( time from scatter farina to take out thread ) that relate to drought - resistance were studied

    摘要以從貴州收集保存的1000多份玉米地方種質資源中篩選出的23份抗旱種質為材料,對其植株形態、產量因素、 asi (散粉與抽絲間隔時間)等11個性狀進行田間觀測,研究評價其抗旱適應性。
  17. Based on the modularized asi, cascade inverter topology structure and modulation mode is introduced in this paper. comparing with several control strategies such as single closed - loop feedback and dual close - loop instantaneous value feedback, the voltage - current dual closed - loop control strategy, which is the voltage effective value feedback and inductance current instantaneous value feedback, is adopted

    針對級聯逆變器討論其pwm調制技術,在比較幾種pwm調制技術的基礎上,對該級聯逆變器採用倍頻載波移相調制技術,其輸出不含載波諧波,邊頻諧波次數比二階和三階調制的邊頻諧波次數提高一倍,等效開關頻率也提高一倍。
  18. The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi

    載波移相正弦脈寬調制技術有獨特的消諧波優勢,其等效開關頻率高,輸出波形正弦度好,可以大幅減小濾波器體積,為實現系統的高功率密度奠定基礎。
  19. The asi parallel system in this thesis is presented based on common voltage loop control. the system is made up of five paralleled modules based on high - frequency zero - voltage - switch 1kva asi

    本文採用公用電壓外環方案,實現了五臺1kva基於高頻零電壓軟開關航空靜止變流器模塊的並聯輸出。
  20. 7 asi stream encryption machine brochure download

    Asi流加密機說明書下載
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