聲質量抗 的英文怎麼說
中文拼音 [shēngzhíliángkàng]
聲質量抗
英文
acoustic mass reactance- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
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Wang ja - de snow deconstructs the patriarchal binary thought, reveals the feminity, deviates phallocentric tradition, and interprets the marginalized, silenced and repressed feminity under the phallic symbolic order, wang ja - de snow utters the voice, strength and desires for chinese - american females and seeks back their identity buried in history and the power of struggle
摘要黃玉雪第三人稱自傳小說《華女阿五》 ,以「陰性書寫」來解構父權二元對立思想,凸現女性氣質,偏離「菲勒斯中心論」 ,闡發陽性象徵秩序下被邊陲化、被緘默化和壓抑的女性特質,代表華裔女性發出長久被壓抑的聲音、力量以及各種慾望,尋回被埋沒于歷史中的身份和抗爭的力量。Lt is well anown that the multi ? ath effeet results in signal fading and intersymbol interference ( isd, wnich causes great difficulhes in pewces of transndssion in underwater acoushc cotnmnication. in this papef we used frequency diversity method to overcome the problem of signal fading, and used the frequency - hopping method to ebonate the isi caused by multi - path
水聲通道多途特性引起的信號衰落和碼間干擾是影響水下通信質量的主要因素,採用頻率分集技術可以處理幅度衰落,而跳頻技術則可以簡單、有效地抗多途引起的碼間干擾。No trace of any newly expressed protein band was noticed in supernant as well as in the cells by sds - page, except the verification of the substitution of beta - galactosidase gene ( the lose of galactosidase protein band ), which is a selective marker of the wild - type virus. elisa test results suggested the expression of egf in cells, but not in culture supernant. the quantitative calculation suggested the expressed egf was about 6 - 7 u g ( as egf standard ) per flask ( 2 > < 106 cells ) in the cellular extract
將重組病毒rbmbacph - egf以10moi感染bmn細胞, 72小時后收集培養細胞和上清;培養上清和經超聲波處理的細胞樣品elisa檢測發現胞內樣品中存在能與egf抗體免疫反應的產物,粗略估計表達量約6 7 g 2 10 ~ 6個細胞(相當于egf標準品) ;重組病毒rbmbacph - egf穿刺接種5齡家蠶幼蟲,每隔24h收集蠶血淋巴,經elisa檢測發現第4天表達量最高,根據egf標準曲線計算蠶血淋巴的表達量約32 g ml ; elisa定性實驗還發現正常蠶血也存在與egf抗體間交叉反應的物質。The evrc vocoder is varialbe rate, the maximal encode rate is skbps, its voice quality is closed to qcelp - 13k, and has better ability of anti - disturbance
Evrc聲碼器是可變速率的,最大編碼速率為8kbps ,在話音質量上接近於qcelp - 13k的語音編碼器,且具有更好的抗干擾能力。Thus many data of deflecting wells can be used for seismic inversion and the problem of multiple solutions can be solved to some degree. this technology comes up to advanced domestic standards. because the water base used to make up drilling mud comes from seawater, researches are made into the effects on resistivity of saltwater mud invasion and the values - selecting methods in reserves calculation are broken through, which continues to use terrestrial oilfields " parameters
針對勝利海上埋島油田叢式開發井組5 / 6井為斜井這種實際情況,對斜井聲波測井資料進行了環境校正,經過反復的攻關研究,通過合成地震記錄求準速度,實現了斜井資料的地震標定,解決了建立初始波阻抗模型的技術難題,使大量的斜井資料參與反演工作,減少了地質模型的多解性,提高了儲層預測的精度,該項技術達到了國內領先水平。System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding
在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上,本文提出一種語音編碼+擴頻傳輸的系統總體方案,採用擴頻載波( spreadspectrumcarrier ,縮寫為ssc )技術克服電力線傳輸信號存在的問題,採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。First, it is associated with the prepared conditions of spectral pure graphite electrode ; second, compared with the untreated graphite, the surface functional groups of ? oh and ? cooh on the treated one increased dramatically with hot concentrated h2so4 and the impurities on electrode surface decreased significantly with ultrasonic rinse. a sequence reaction mechanism was proposed for the eis of mn ( ) / mn ( ) on different graphite electrodes. the spectral graphite and the treated one can be suitable for the inert electrode of mn ( ) / mn ( ) cathode
分析原因認為:一方面與光譜純石墨電極的制備條件有關;另一方面,與未處理石墨電極相比,處理石墨表面含氧官能團? oh 、 ? cooh明顯增多,而且超聲清洗又使其表面雜質含量減少,並提出了一個反應機理解釋mn ( iii ) / mn ( ii )電對在三種石墨電極上阻抗譜的不同,說明光譜純石墨和處理石墨均可以作為mn ( iii ) / mn ( ii )正極電對的惰性工作電極。Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system
為了解決大功率超聲應用的換能器電端匹配問題,分析了超聲波換能器在諧振頻率三次諧波下的阻抗特性,給出了超聲換能器三次諧波下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠性高的方法,實驗證明該方法有效的.該方法可以在換能器工作過程中隨時檢測夾持電容的變化,根據檢測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作性能The results of numerical simulation show that for various kinds of noise without modulation the anti - noise properties and the output quality of laser can be improved by selecting appropriately bias current and parameters of the cavity
數值模擬的結果表明,對于無調制時的各種噪聲,適當選取偏置電流和腔內參數可以提高微腔半導體激光器的抗噪聲性能或激光輸出的質量。Also widely found on food packaging are health claims. for example, the label on a carton of milk might indicate that the product is a rich source of calcium, and that this is a nutrient which is useful in reducing the risk of osteoporosis or a can of tomato juice might indicate it is a concentrated source of the antioxidant, lycopene
如能量卡路里脂肪鈉食鹽的真實含量食品包裝上常見的信息還有健康聲稱,如牛奶包裝箱的標簽上會標明該產品富含鈣,而且會寫明鈣有助於降低骨質疏鬆發生的危險性,又如西紅柿汁的盒子上會標明它含有大量抗氧化劑番茄紅素。分享友人