表面阻抗 的英文怎麼說

中文拼音 [biǎomiànkàng]
表面阻抗 英文
surface impedance
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 阻抗 : [電學] impedance
  1. Phenolic foam is a new generation heat preservation prevent fire soundproof material and polystyrene together ammonia ester foaming rubber etc, material to compare, and it is good that its biggest characteristics is a heat - proofound the low temperature contractility is smatt, and have te special prevent burning wit the size stability under 2000 heat, not burning, not melt not contract constant form not poisonous spirit hove no thick smoke, just surface formation layer

    信息內容:酚醛泡沫為新一代保溫防火隔音材料與聚苯乙烯聚氨脂發泡橡膠比,其最大特點是耐熱性好,低溫收縮性小,具有獨特的燃和尺寸穩定性,在焊槍火焰下,不燃燒不收縮不變形,無毒氣無濃煙,只是炭化,性質穩定,耐化學腐蝕老化。
  2. In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through

    研究不同環醚對鋰電極的預處理作用發現, 1 , 4 -二氧六環( doa )和1 , 3 -二氧五環( dol )對金屬鋰電極的預處理均可以在金屬鋰形成一層良好的sei鈍化膜,對鋰金屬電極起到了保護性作用,使鋰電極具有較小的界,有效地提高了金屬鋰電極的充放電循環效率,改善了鋰金屬電極在循環過程中的形貌;而doa和dol對金屬鋰電極的預處理,不會明顯的影響鋰電極的動力學性能。
  3. The chemical composition and microstructures of the insulating thin films prepared by different methods were analyzed by x - ray diffraction ( xrd ) and scanning electron micrograph ( sem ) ; other properties such as electric resistance, the breakdown field strength and dielectric properties were evaluated using high resistance meter, voltage resistance meter and precision impedance analyzer respectively

    採用x射線衍射儀( xrd )對絕緣薄膜的物相組成進行了分析,掃描電子顯微鏡( sem )對絕緣薄膜的微觀結構進行了研究,並用絕緣電測試儀、耐壓測試儀和精密分析儀分別對絕緣膜進行絕緣電率、擊穿場強和介電性能的測試。
  4. Noninasie stroke olume and cardiac output were measured using impedance cardiography and corrected for body surface area to yield both stroke and cardiac indexes

    心動描記法測量安靜狀態下的每搏輸出量和心搏出量,而且用體積換算為心搏量和心臟指數。
  5. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,分別對三維介質目標、金屬非金屬組合目標散射體用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用元素的精確演算法計算出矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界上的等效電流與等效磁流的特性。
  6. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的矩陣剖分成小矩陣,通過迭代計算出電流和雷達散射截,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  7. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中,納米晶銅的腐蝕電位比微米晶銅要負,並且隨著晶粒尺寸的減小而降低。 eis研究明,未退火的和180退火的納米樣品中發現了擴散,與孔洞和通道中的擴散有關。極化曲線外推法和電化學研究都明納米晶銅的腐蝕電流比微米晶銅高,而極化電要低。
  8. The characteristics of this method are : a, directly counting cell number without the influence of the metabolic state of the cells ; b, discrimination of target cells from effector cells in cell - mediated cytotoxicity assay ; c, less treatment step, and free - radioactivity ; d, high sensitivity and reliability. 2, using the above assay, immunofluorescent labeled technique, and flow cytometry, the pbmc proliferation, apoptosis, necrosis, cell cycle, activation, cytokines and membrane marker were detected. the results showed that the number of pbmc reduced, but the activity of pbmc increased dose - dependently ; the reduction of cell number resulted from necrosis and apoptosis ; the supernatant of k562 cell lines were not able to block the cell cycle, but to promote it ; the ratio of t cell subset and the expression of thl and th2 cytokines increased

    結合以上創建的方法和免疫熒光流式細胞術,用k562細胞株可溶性分泌物(上清)對外周血單個核細胞( pbmc )進行培養以模擬體內微環境,然後分別從細胞增殖、凋亡、壞死、細胞周期、活性、細胞因子和達等方進行研究,結果發現用腫瘤上清培養的pbmc細胞數量下降明顯,但同時對其有激活作用,且呈劑量依賴性;細胞數的下降主要是由細胞壞死和凋亡引起的,腫瘤上清對細胞周期沒有斷作用,反而略有促進作用; t細胞亞群比例增加,並促進達th1 、 th2細胞因子。
  9. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    ( 1 )研究了氟硼酸體系電鍍pb - sn合金鍍層的電解液組成,詳細討論了主鹽濃度、游離酸濃度以及化劑、氧化劑、活性劑等添加劑對氟硼酸體系電沉積pb 、 sn及pb - sn合金陰極極化曲線的影響和對pb - sn合金鍍層中合金含量的影響。
  10. Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release

    根據界粒子速度剖,計算得到了卸載過程中lagrange聲速隨界粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果明:無氧銅的卸載過程存在明顯的應變硬化效應。
  11. The input impedance of the interdigital saw transducer is measured by the equivalent circuit method. the experimental results show that the synchronized frequency of 9. 586 mhz, the acoustic radiation resistance of 44. 6 and the static electrode capacity of 194pf all agree with those design values

    用自行設計的等效電路測量方案,測量了彈性波馬達換能器的輸入,實驗結果顯示彈性波換能器的共振頻率為9 . 586mhz ,輻射聲電為44 . 6 ,叉指電極靜電容為194pf 。
  12. The data processing part includes fft, filter and averaging, calibration algorithm, smith chart designing, s - parameter algorithm, transmission and reflection caculating, etc. the hardware interface consists of control information protocol, data transfer protocol, status information protocol and the synchronization protocol of the transfer of all the above information

    數據處理部分包括快速傅里葉變換、濾波與平均、用s參數示的傳輸反射特性演算法、特性的史密斯圓圖演算法、校準補償演算法、以及實時測量的實現演算法等。介部分包括控制信息協議、數據傳輸協議、狀態信息協議以及上述各種信息傳輸的同步協議。
  13. The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them

    以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的形貌;以循環伏安技術和交流技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。
  14. A triple - layer radar absorbing coatings composed of dielectric and magnetic materials were prepared according to resistance matching principal, which is then further coated with an infrared and visible light camouflage coatings

    摘要依據匹配原理制備了一種3層雷達吸波塗層,並在吸波塗層噴塗一定厚度的可見光、紅外偽裝塗料,比較了噴塗偽裝塗料前後塗層吸波性能的變化。
  15. Mechanism of glutamate - induced inhibition of pulmonary surfactant lipid synthesis ? mda receptor ( nmdar ) antagonist mk - 801 could reverse glutamate - induced inhibition of [ 3h ] - choline incorporation in lung explants ; ? he expression of nmdar1 subtype existed in alveolar type ii epithelial cells ; ? he effect of glu on pc synthesis required l - arginine in cultured lung explants, nos activity and no production were increased significantly in lung explants with glu treatment ; and mk - 801 and nos inhibitor l - nna could block the increase of nos activity and no production induced by glu ; l - nna also could reverse the inhibition of [ 3h ] - choline incorporation induced by glu ; ( 4 ) mda content increased and sod level decreased in cultured lung explants of glu treament groups, mk - 801 and l - nna could reverse these effects ; ( 3 ) mk - 801, l - nna could block the release of ldh induced by glu

    谷氨酸對肺活性物質脂質合成抑制的機制研究nmda受體拮劑mk - 801能逆轉glu所致肺組織[ ~ 3h ] -膽堿摻入減少的效應;肺泡上皮細胞有nmda受體nmdar1亞單位的達; glu對ps脂質合成的影響依賴l -精氨酸的存在, glu可使肺組織勻漿中nos活性、 no合成量升高; mk - 801 、 nos的抑制劑l - nna均可斷glu所致的這些效應; l - nna可逆轉glu所致肺組織[ ~ 3h ] -膽堿摻入減少的效應; glu可使肺組織勻漿中mda碩士學位論文中文摘要含量增高、 sod水平下降。 mk七0 、 l nna能斷q所致的這些效應; mk80 、 l nna還能斷gill誘導的ldh釋放增多的效應。
  16. The results show that a solid self - healing anti - oxidation protective layer will form over the surface of composites when oxidized at 1100 ~ 1200 ; and when oxidized at temperature of 1300, the self - healing protective layer will change into liquid state or semi - liquid state and the anti - oxidation property of the composites will get worse

    結果明:復合材料在1100 、 1200氧化時會生成固態自愈合氧化保護膜,該層保護膜的生成可以止復合材料繼續被氧化;而當復合材料在1300下氧化時生成的自愈合保護膜呈液態,此時復合材料的氧化性能變差。
  17. 4. for the first time, the real - time on - line studies of adsorption of human serum albumin on different surfaces and the interaction between human serum albumin and anticancer drug vepesid were carried out using combined electrochemical quartz crystal impedance with electrochemical impedance spectroscopy system

    首次採用電化學石英晶體系統( eqcis )和電化學譜( eis )雙聯用新技術,實時、在線地研究了人血清白蛋白( hsa )在不同性質的電極的吸附行為以及與癌藥物足葉乙甙的作用過程。
  18. Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples

    文摘:該文從力波及速度波在波的平衡及連續條件,推導了力波、速度波的反射系數、透射系數達式,進而討論在不同比時的f ? v曲線特徵,並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的力分佈進行了分析。
  19. Surface transfer impedance of a coaxial line

    同軸線轉移
  20. The material ways are to model the honeycomb wall as an impredence surface, to express the infinite honeycomb by using periodic green ' s function, and using method of moment to establish the mathematic model, in applying the methods of moments, we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current, solving it by mom equation. then gain it ' s reflected coefficient ' s numerical result. and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient

    具體方法就是將浸漬吸收劑的蜂窩壁用表面阻抗示,將無限大的周期結構的電場用周期格林函數來示,選取有耗蜂窩結構中具有代性的基本計算單元應用矩量法建立數學模型,在運用矩量法時用屋頂函數作為基函數,刀片函數作為檢驗函數,根據蜂窩壁電場必須滿足入射電場等於散射電場和電場之和的規律,推導電場積分方程,求解蜂窩結構的電流,利用蜂窩的周期規律得到無限大均勻周期陣列的散射電場。
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