介質中間的 的英文怎麼說
中文拼音 [jièzhízhōngjiānde]
介質中間的
英文
medical x-ray film-
Considering the viscous interaction between the kernel and the air inside the grain the paper shows the dynamic tortuosity function in grain. considering the thermal exchanges between the kernel and the air the paper shows the dynamic permeability function in grain
考慮準多孔介質聲傳播中存在空氣與顆粒間的粘滯力和慣性力,推導出準多孔介質中孔隙動態曲折度函數表達式。In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect
在雙光子共振情況下,即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半,由於介質中放大的自發輻射和四波混頻的作用,部分入射脈沖能量轉化為高頻和低頻電場成分的能量,分子介質表現出了很強的光功率限幅特性。We study in this paper the filtration problem in partially saturated layered porous media in one dimensional. that is the thid problem boundary value problem of on dimensional degenerate quasi - linear elliptic - parabolic equation with discontinuous coeffi - cients. the existence, uniquess of the solutions and some properties of the solution are proved
本文主要討論一維有限雙層多孔介質中部分飽和的滲流問題,即具有間斷系數的一維擬線性橢圓-拋物退化方程的第三邊值問題。證明了該問題的解的存在性、唯一性及弱解的邊界性質。The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time
樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論,應用darcy定律並使用有限元/控制體技術建立起來的;熱傳遞模型是一個二維瞬態熱傳導方程,考慮樹脂反應放熱;樹脂的固化模型利用了kamal提出的固化動力學方程,將固化度取為時間和溫度的函數。With straton - chu intergral as the theoretical basis and by means of green ' s function in infinite uniform media, the electromagnetic shift describes the propagation process of quasi - stationary electromagnetic field in lower - half space
電磁偏移以斯特萊頓朱型積分為理論基礎,藉助于無限均勻介質中的格林函數,描述了似穩電磁場在下半空間的傳播過程。The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area
結果表明,在相同的抽運功率密度下,激光介質中的溫度分佈和熱應力分佈不僅與激光介質幾何構型及抽運光空間分佈有關,還與抽運光斑在介質表面的填充因子密切相關。A great deal of studies have been proceeded on coupling between the magnetism and dielectric properties, which actually exists in the ferroelectromagnets
對磁和介電性質之間的耦合作用的研究由來已久,在鐵電磁材料中便存在這樣的耦合。8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants
研究表明,液料等離子噴塗制備的納米tio :顆粒平均粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph值、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。The calculation results show that the correlation between the multiplicity of intermediate mass fragments n ( subscript imf ) and total number of charged particles n ( subscript c ) is a sensitive observable for probing the isospin - dependent in - medium nucleon - nucleon cross section, but the isospin effects of symmetric potential on n ( subscript imf ) is not obvious in the chosen energy region
計算結果表明在所選能區,中等質量碎片的多重性與帶電粒子總數之間的關聯是提取介質中核子核子碰撞截面的靈敏觀測量,而此時對稱勢的同位旋效應卻不明顯。The r esults showed that there are remarkable differences in capacity to acquire zn fro m soils among the six pakchoi cultivars due to the difference of the morphology of the roots
結果表明,不同小白菜品種從土壤介質中累積吸鋅能力差異顯著,這種差異是由於品種間根系形態特徵的不同造成的。We use full quantum theory to investigate the decay distribution of atoms in one - dimensional photonic crystal and the quantum interference property of a v - type three - level atom placed between two parallel plates
採用全量子理論,本文研究了一維光子晶體中原子自發發射的壽命分佈和置於兩平板介質之間的v型三能級原子的量子干涉性質。During these processes, diffraction, self - phase modulation, cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation
在這些過程中,衍射、自相位調制、交叉相位調制、光束之間的間距等都對光束和脈沖光束在非線性介質中的傳輸產生重要的影響。The simulation results have shown that sigvd of the temporal part is observed when the diffraction - free distance is longer than the dispersion length of sigvd. sigvd can be used to compensate the dispersion of medium, and a diffraction - free and quasi - dispersion - free pulsed beam, similar to a spatiotemporal soliton, can be produced in a dispersion medium
數值模擬的結果表明,只要相應的衍射距離大於空間誘導色散的距離,空間誘導色散理論可以很好的描述脈沖的演化過程;利用空間誘導色散可以補償介質色散,從而可以在色散介質中實現無衍射無色散的類時空孤子的傳輸。Plasma nitriding is an application way to metal surface and heating treatment based on the formed plasma by glow discharge. nitriding is a way of heating treatment, namely, metal accessory is put into activate nitrogen and the gas of low light pressure is ionized into energy electrons, high energy ions and high energy neutral atoms by the action of the electric field under a definite temperature and the time of the heat preservation
等離子滲氮是利用輝光放電形成等離子體在金屬表面,熱處理方面的應用,滲氮是強化金屬表面的一種熱處理方法,是將金屬零件置於活性氮的介質中,在一定溫度和保溫時間下,低光壓氣體在電場作用下使之電離產生能電子、高能離子和高能中性原子。In order to calculate synthetic seismograms in a layered half - space with the sources and the receivers at close or same depths, an efficient numerical integration method - the peak - trough averaging method ( ptam ) is proposed, based on the repeated averaging method
摘要為了計算在震源和接收點深度相同或相近情況下分層半空間介質中的合成地震圖,在重復平均法的基礎上加以改進,提出一種有效的數值積分方法峰谷平均法。The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method. then the simplex method is used to calculate the source point " s best position, frequency and the correspond wavenumber of the region
重點結合已有的marcatili法,首次將橫向諧振法從平面均勻分層介質中的應用進一步延伸到模擬地殼波導的三維非均勻空間區域中,再利用單純形法,確定源點在該區域的最佳位置、最佳頻率和對應的傳播常數。In the picosecond and femtosecond time field, the durations of the pump and signal pulses are so short that special propagating characteristics of ultrashort pulse laser should be taken into account, especially the pulse broadening induced by the group velocity mismatch and the group velocity dispersion
在皮秒和飛秒時域,由於泵浦光與產生的信號光的持續時間特別短,故在討論超短脈沖與物質相互作用時必須計及超短脈沖在介質中傳輸的特殊性質,尤其是群速失配與群速色散引起的脈沖展寬。2. co ( salen ) / nafion modified platinum electrode ( 1 ) the nitric oxide in the medium of natural seawater was determined using co ( salen ) / nafion modified platinum electrode for the first time, the best conditions are found as follows : the time of exclusion of oxygen bubbled with nitrogen for the electrochemical cell is 30min, the preparation time of saturated solution is 30min, the enrichment time is 3min when the concentration of nitric oxide is 10 - 6 mol / l and 7min when 10 - 7 mol / l and the electrochemical responses of the modified platinum microelectrode to no were evaluated by scanning from 0. 2v to iv
天然海水介質中~氧化氮的電化學鋇定二、 eo ( sa一en ) znanon修飾電極1 .首次用co ( salen )閃afion修飾鉑電極對天然海水介質中的一氧化氮進行了測定,確定了最佳實驗條件,即反應池通氮除氧30min , no飽和溶液的制備時間為3omin , no溶液濃度在10一6mol / l時?富集時間是3min ,濃度在10一7mol / l時富集時間是7min ,電位掃描范圍0 . 2一1As for dam ' s dynamic properties in condition of elastic foundation, author uses mapping infinite element, which can reflect displacement ' s property of diminishing in semi - infinite materials. through exchanging data between three analytic software - matlab, ansys, fortran, dynamic properties of dam is computed in condition of elastic foundation. and then the dynamic displacement curve is obtained under the load of earthquake with the method of newmark - b
對于彈性地基情況下壩體的動力特性,作者採用了能夠反映半無限域介質中位移衰減特性的映射無限元,通過matlab 、 ansys 、 fortran三種計算軟體之間數據交換得出了彈性地基下壩體的動力特性,並通過自編newmark -法程序計算了壩體在地震荷載作用下動位移響應。Isobaric identification with gf - tof method is based on the different time of flight caused by the different energy loss. the resolution of gf - tof is mainly affected by two factors. first, the rises time of current pulse from start and stop detector
Gf - tof方法對同量異位素的分辨取決于e的不同而產生的時間不同,時間分辨僅來源於定時探測器電流脈沖上升時間的快慢和離子在氣體介質中的能量離散。分享友人