high-frequency 中文意思是什麼

high-frequency 解釋
高頻(率)的;高周波的
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • 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. High frequency of bud induction was found on ms medium supplemented with 6 - ba the optimum medium for adventitious bud induction was ms + l. 0mg / 1 naa + 0. 5mg / l 6 - ba, and ms + 1. 5mg / l naa + 0. 5mg / l iaa for bud rooting

    門)誘導毛狀根體細胞胚再生植株。通過正交實驗篩選出了毛狀根體細胞胚誘導的最佳培養基為: ms 05mg lnaa 0 sing kt 30gil蔗糖。
  2. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變,各向異性,非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量,必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態,對短波通信和天波雷達工作起了重要的輔助作用。
  3. Diagnosis of linea alba hernia with high frequency ultrasonography

    高頻超聲對白線疝的診斷價值
  4. Tissue culture and high frequency propagation of opuntia milpa alta haw

    食用仙人掌的離體培養及其快速繁殖
  5. High frequency gusts are usually measured by high response research-oriented anemometers.

    高頻突風通常是用高速響應的研究性定向風速計測量。
  6. The catv charge and control system has excellent compatibility with other signals and no astriction in signal format, so you doesn ` t need to worry about its future. the system involves many technical fields, including controls of computer 、 communication 、 high frequency of electric circuits, and now it serves for more than 1, 000, 000 customers

    該系統涉及多個研究領域,包括計算機控制、通信、高頻電子電路等多個領域的知識,涉及用戶多達60萬戶。
  7. Audiometers - equipment for extended high - frequency audiometry

    聽力計.第4部分:延展的高頻聲學設備
  8. Audiometers - part 4 : equipment for extended high - frequency audiometry

    聽力計.第4部分:高頻聲學設備
  9. Very high frequency aural omnirange

    甚高頻可聽式全方位無線電信標
  10. In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays

    本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體,研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響;然後在得到高頻再生體系的基礎上,通過農桿菌介導法轉化甜菜堿醛脫氫酶( badh )基因,以gus染色組織分析為依據探討了影響轉化效率的各種因素,建立了高效、可重復的基因轉化體系,為四倍體刺槐目的基因的導入打下了基礎。
  11. The main contents include : water environment, marine sediment and the trend monitoring of marine life quality ; at the same time, to consolidate the monitoring of the functional zones, such as seashore bathing places, oceanic reserves, marine aquafarms ; to set up the seashell monitoring and controlling zones in the sea areas of both pingtan and yunxiao at the first time ; to carry out the statistical monitoring of polder, exploiting sea sand, spartin aallerni flora, terrestrial sewages, etc., to carry out monitoring of the total quantity of pollutants into the offshore marine areas in the min river, the jiulong river as well as the municipal sewages of xinlin industry in xiamen and jiaocheng in ningde ; to carry out the red tide monitoring in the offshore marine areas of fujian province ; to implement time - lapse, pointing and continuous red tide monitoring of high frequency and high intensity in the sandu gulf, the min river estuary and offshore marine areas of xiamen

    主要內容包括水環境、海洋沉積物和海洋生物質量的全海域環境趨勢性監測,同時加強了海水浴場、海洋保護區、海水增養殖區等功能區監測;首次在平潭和雲霄海域設置了貝類監控區;開展了圍填海、海砂開采、互花米草、陸源排污口統計監測;並在閩江、九龍江、廈門杏林工業排污口、寧德蕉城市政排污口鄰近海域開展污染物入海總量監測;在全省近岸海域開展赤潮監視監測,對三都灣、閩江口、廈門近岸海域赤潮監控區實施高頻率、高密度的定時定點連續監測。
  12. High - frequency carrier wave characteristics analysis for 10 kv power distribution lines

    配電線高頻載波特性分析
  13. 2d - cad, 3d - cad cae, injection molding machines, 3dmeasurement machines, ultrasonic welding machines, high - frequency electromagnetic welders, hot stamping machines, silkscreen printing devices, caulking machines, automatic screw machines, det raw material - exclusive dryers, load testers

    2d - cad , 3d - cad cae ,射出形成機, 3維測量機,超聲波焊著機,高頻電磁電焊機,熱沖壓機,絲印刷裝置,鉚合機,自動打釘機, det原料專用乾燥裝置,負荷試驗機。
  14. Used continuous high frequency 40khz and filter power to have excellence performance. no damage in cleaning operation

    利用連續高頻40khz及濾波功率驅動,效果超卓,物件在清洗過程不會受損
  15. High frequency instabilities result in grossly increased convective heat transfer coefficients in the chamber walls.

    高頻不穩定性使室壁對流傳熱系數大大增加。
  16. Rail corrugation at high frequency wheel rail interaction

    小口徑軸對稱收縮噴嘴射流沖擊大平板噪聲指向特性研究
  17. Analysis of causes for delay phenomenon in determining carbon and sulfur content in ferroalloy with high frequency carbon sulfur determinator

    高頻紅外碳硫儀測定鐵合金時拖尾現象的原因分析
  18. Facial treatment includes cleansing, peeling, ozone steam, pore cleansing, high frequency, diathermy applications, facial massage, facial mask and shoulder massage

    面部護理包括潔膚、去死皮、臭氧噴霧、清潔毛孔、高頻電療、電腦去斑活細胞生化護理、面部按摩、面膜及肩膊按摩。
  19. This paper described that the working theory and characteristics by high frequency argon discharge gas chromatograph, application of analysis cum in high purity argon product

    摘要本文敘述了高頻氬放電離子氣相色譜的工作原理、特點;以及在高純氬氣產品分析中的應用。
  20. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把擾動波分解為基本模態和高頻諧波模態,導出非平行非線性拋物化穩定性方程。
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