阻種片 的英文怎麼說

中文拼音 [zhǒngpiān]
阻種片 英文
cutoff plate
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 種名詞(姓氏) a surname
  • : 片構詞成分。
  1. Low concentration cylokinin can stop the decrease of chlorophyl content within waterlogged plant leaves and it produces a good result, but high concentration has no obvious result

    低濃度的細胞分裂素即可對受濕害植物葉的葉綠素含量的下降產生明顯的止效果,但高濃度時這效果的加強不明顯。
  2. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一通過三極電調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。
  3. Another common method is the semaphore spoiler which the french have used on most of their anti-tank missiles.

    另一通用的方法是流板擾流,此方法在法國已經用在大部分反坦克導彈上。
  4. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩集成波導濾波器結構:將傳統的腔體濾波器概念運用於基集成波導結構,設計出了一窄帶帶濾波器,對其進行模擬,得到了窄帶帶濾波特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。
  5. This research task used industrial controlling computer as the hardcore of the automatic testing system, and the other electrical parameters testing instrument were used as the subordinative equipment of the automatic testing system

    本研究課題採用工控機作為自動測試系統的核心控制設備,其他各由單機組成的電參數測試儀、電測試儀和轉矩轉速測試儀以及西門子變頻器等設備組成測試系統的從屬設備。
  6. Two basic forms of the resistance strain gage are the bounded and the unbounded types.

    應變有粘貼式和非粘貼式兩基本形式。
  7. Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis

    摘要根據水平軸風力機轉子的渦流氣動模型,從能量的角度入手,考慮干涉因子和翼型力,提出了葉翼型設計的一新型計算方法。
  8. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜加載共焦橢圓波導,在考慮空間諧波和不考慮空間諧波兩情況下的慢波特性。應用場匹配方法得到這結構的色散方程和平均耦合抗。
  9. Polifen bc 123, is a chemically modified friction dust based and prepared to give an high heat resistance on brake linings and clutch facings formulations

    Bc 123是一化學合成的黑色摩擦粉,在剎車襯墊和離合器襯配製中獲得高的熱
  10. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流的矩形直通道、帶順排擾流矩形直通道、帶叉排擾流、帶傾斜擾流的矩形直通道的幾何模型,計算了冷卻空氣通過這幾通道時的流動與換熱情況,得到了各不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉通道材質對葉內部通道冷卻的影響,並整理得到了各通道形式下,努謝爾數和力因子與雷諾數的函數關系;本文重點研究了新型的葉內部通道冷卻強化傳熱措施?帶擾流的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這新型鮚構的優勢,對于葉內部通道冷卻結構的設計可以起到指導的作用。
  11. Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method

    用矩量法計算了同軸饋電的矩形微帶貼陣列的電流分佈,在求解廣義抗矩陣時,給出了一解析方法與數值方法相結合的方法。
  12. Abstract : in this paper, a traditional method for testing missile ' s insulance wa s introduced, and a new way for testing missile ' s insulance by the intelligent t est system of the embedded controller, the relay matrix and the integrated compa rison wa s presented

    文摘:介紹了導彈絕緣電測試的一傳統方法,提出了採用單機智能測試系統、運用矩陣思想和綜合比較法測試導彈絕緣電的新方法。
  13. Prison guard : microscopic implants will restrain convicts from engaging in criminal activity. the sensors will require lots of fine - tuning

    監獄看守:微小的植入止囚犯從事犯罪活動。這傳感器需要進行大量的微調。
  14. At last, we introduced the design of demodulation device of white - light interferometer modulation / demodulation fiber - optic fabry - perot sensor. we provide the ways to improve the property of sensor. we performed a experiment to test the capability of our sensor to strain gauge, and applied our sensor into study on carbon fiber material temperature property

    最後討論了白光干涉型光纖fp傳感器信號解調裝置的設計,提出了改進該傳感器性能的方法,並對該傳感器系統與電應變作了對比實驗,將該傳感器用於了碳纖維材料的溫度性能實驗中。
  15. Column with carbon resistance chips of speciel voltage regulator

    調壓器用炭電柱.特調壓器用炭電
  16. Such a structure ? a semiconductor with a disk cut out of it, which squeezes the current through the two narrow channels of semiconductor ? has a much higher resistance than an uninterrupted slab of semiconductor ( which itself has higher resistance than a semiconductor with a disk of metal embedded in it )

    在半導體中挖個圓洞,把電流壓縮到兩旁狹窄通道的結構,其電比起沒有障礙的半導體薄要大很多(不過後者的電又比有金屬圓盤的半導體來得高) 。
  17. The resistance products have various types, and are for different lightning arrester, restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments, cable, and railway line overvoltage

    該電具有多規格型號,用於組裝不同使用場所的避雷器,限制變壓器、電容器、電機、真空開關、變壓器中性點、全封閉電器、電纜、鐵道線路的過電壓。
  18. Hebi can produce over 5000 industrial products, in which coal of hebi coal group company, high standard cement by tongli cement company, daily chemical products by tianyuan company, auto connectors by tianhai group, chipped capacitors by caihe company, fusing resistors by boda group, meat products by yongda company are famous and on the leading place in the market

    工業產品5000多,其中鶴壁無煙煤、同力水泥公司高標號水泥、天元公司日用化工品、天海集團汽車接插件和線束、華中科技公司、彩鶴公司式電容、博大集團熔斷電、網路電、大用和永達公司肉製品等一大批知名品牌,在河南省乃至全國同行業享有較高聲譽。
  19. According to the requirements of oil salvage operation and ground equipment, research and develop a system to conduct the dynamic test on the speed and position of oil extractor, and the tension supported by steel wire, with c8051f330 single - chip microcomputer as the core module, hall - effect sensor and resistance sensor as the test components

    摘要根據撈油作業和地面設備的需求,研製一以c8051f330單機為核心,採用霍爾傳感器和電應變作為檢測元件,實現付撈油抽子升降速度、位置和鋼絲拉繩所承受拉力的動態檢測系統。
  20. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單機的spi介面任務,協調了它與ad7705晶元和單機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
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