cell frequency 中文意思是什麼

cell frequency 解釋
方格頻數
  • cell : n 1 小室,單室;隔間,艙;〈詩〉茅舍;(單個的)蜂窩,蜂房。2 〈詩〉墓穴,墓。3 (大修道院附屬的...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice

    老齡小鼠gv期卵母細胞能正常體外成熟;老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異,但原核形成時間延遲1小時;在老齡小鼠卵母細胞,注射牛精子抽提物或sr ~ ( 2 + )處理時所誘發的ca ~ ( 2 + )振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。
  2. Verification regulation of rubidium gas cell frequency standards

    銣原子頻率標準檢定規程
  3. Based on an analysis of uhf ( ultra - high - frequency ) characteristic of pd ( partial discharge ) in power transformer, using mixing technique, a signal disposal cell has been devised for the sake of facilitating common data sampling card

    摘要在分析了電力變壓器局部放電的超高頻特性的基礎上,利用混頻技術,設計了局部放電超高頻信號的信號調理單元,方便普通數字採集卡採集。
  4. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  5. Microwave - power frequency shift in optically pumped 87rb cell frequency standard

    頻標中的微波功率頻移
  6. The design of resonant p. a. cell is one of the most important parts, including p. a. cell structure, first resonance frequency, optical reflection sets, and couple between optical fiber and p. a

    諧振式光聲腔的設計是該系統的關鍵,包括光聲腔結構設計、第一諧振頻率及品質因子的確定、光學反射裝置、光纖和光聲腔的耦合等。
  7. Base station identity code. an attribute of a gsm ( global system for mobile communications ) cell which is a code allowing a distinction between local cells having the same radio frequency

    基站識別碼。 gsm (全球移動通信系統)蜂窩小區的一個屬性,通過基站識別碼,不同的本地蜂窩小區可以使用相同的無線頻率。
  8. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。
  9. A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained

    提出了一種匯流時間計算方法,匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式,同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后,將其看作隨機變量,進行統計分析后,得到匯流時間的頻率分佈? giuh 。
  10. Through the analyzes of electromagnetic system of a axial symmetry by the method of electromagnetic vector potential, an eddy current field math model is build by triangle cell, this article has researched the effect of power frequency to eddy current density, penetration depth and the skin effect

    本文以電磁場矢量位有限元法為基礎對二維軸對稱場的磁場強度、渦流密度進行了計算求解,採用三角形單元和六面體單元建立了渦流場數學模型,研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。
  11. The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future

    低軌道衛星是一種運行於1000公里左右的高空中的人造衛星,利用leo衛星實現個人通信的優點在於:一方面衛星的軌道高度低,使得傳輸延時短、路徑損耗小,多個衛星組成的星座可實現真正的全球覆蓋,頻率復用更有效:另一方面蜂窩通信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動通信提供了技術保障。
  12. Clinical experience to date suggests stem cell therapy for inflammatory bowel disorders can promote longer periods of remission and reduce the frequency and duration of relapses

    臨床實驗顯示通過對炎性腸病的幹細胞治療能延長緩解期及縮短復發期的頻率和持續時間。
  13. When the table contains more than one cell with an expected frequency of less than 5, we can combine these in order to get an expected frequency of 5 or more.

    當表中的期望頻率小於5的項多於一個,可以把它們加以合併,以使期望頻率大於等於5。
  14. When the table contains more than one cell with an expected frequency of less than 5, we can combine these in order to get an expected frequency of 5 or more

    當表中的期望頻率小於5的項多於一個,可以把它們加以合併,以使期望頻率大於等於5 。
  15. Objective : to study the frequency of have beta - cell specific autoantibody markers in women with gestational diabetes mellitus ( gdm ) and to follow these women to estimate the risk of later development of type 1 diabetes

    目的:研究在妊娠糖尿病( gdm )婦女胰腺-細胞特異性自身抗體標志物表達率並隨訪評估繼后發生1型糖尿病風險。
  16. Through the analyses of electromagnetic system of configuration of hollow metal cylinder by electromagnetic vector potential, an eddy current field math model is built by triangle cell, this article has researched power frequency to eddy current density, permeation depth and the effect of skin effect

    文中通過對一個空心金屬圓筒結構的電磁系統進行分析,以電磁場矢量位有限元法為基礎對磁場強度、渦流密度進行了計算求解,採用三角形單元建立了渦流場數學模型,研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。
  17. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各水質點在弱相互作用下,到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元,匯流路徑由兩部分組成,即坡地部分和河道部分,為了得到匯流時間,必須首先確定匯流速度。坡地和河道的匯流速度隨著區域位置而變,並且必然與坡度有關,因此,可首先計算流速的空間分佈,進而得到匯流時間的空間分佈。
  18. Alignment frequency and amplitude, and pulse timing parameters and amplitude, can be finely adjusted to suit a wide variety of cell types

    排隊頻率和振幅,以及脈沖的時間和振幅參數能夠精確調節以適應不同細胞類型。
  19. Over - the - horizon radar ’ s beam - frequency is high frequency band and its wavelength is so long that the annate ’ s characters are very complicated when applicated on the ship. the character of coupling between cells and the environment must be measured to compensate in the radar signal process step. the ship - based over - the - horizon radar uses cfa ( crossed field antenna ) as array antennas ’ cell

    艦載超視距雷達使用高頻信號作為發射頻率,其波長較長,在艦船有限的空間內,陣列天線的陣元之間的耦合與陣元與背景之間耦合都十分嚴重,必須測量陣列天線通道的幅相一致性,作為雷達信號處理的補償參數。
  20. Image edge detection based on multiresolution wavelet transform makes up these shortages before. wavelet theory has good local inspect ability in time region and frequency region, and the character multiresolution. these are theory basis that wavelet transform is applied to cell image edge detection

    小波變換是80年代後期發展起來的一種變換域信號處理方法,具有時域和頻域上良好的局部檢測能力和多解析度分析的特點,從而被譽為「數學顯微鏡」 ,這是我們將小波變換應用於細胞圖像邊緣檢測的理論依據。
分享友人