通透性指數 的英文怎麼說

中文拼音 [tōngtòuxìngzhǐshǔ]
通透性指數 英文
permeability index
  • : 通量詞(用於動作)
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 通透 : passthrough
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質研究,過計算不同沉積微相砂體滲率的變異系、突進系以及級差來說明主要儲集微相的非均質特徵;據巖及電特徵,將層內夾層分為兩類,統計單砂層段內夾層的個、累積夾層厚度、夾層頻率及夾層密度,並且根據夾層頻率及密度平面分布圖統計出每層的頻率相對高值區和低值區,總結夾層分佈特徵;根據物隨深度的變化趨勢建立了五種儲層層內物非均質模式,出研究區內以a型和c型模式為主。
  2. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明:垂穗披堿草等對土壤和資源空間要求較高的物種,競爭力隨劃破強度的增加而上升,而對土壤和資源空間要求相對較低的物種則相反;輕度劃破干擾對提高物種豐富度具有一定的促進作用,但多樣則總體上表現為隨劃破強度的增加而呈下降的趨勢;劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升,莎草類和雜類草組分隨干擾強度的增加而顯著下降;劃破干擾對草地初級生產力的提升具有顯著的促進作用,且可顯著增加植物總量中優質牧草的比重;劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施,在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎的地位。
  3. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流平葉片的設計,在優化的軸流平子午道內,建立包括平級內所有能參量的最優流型命題的完整的物理模型及其學表達式,並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下,使級的某一標(如級的功率)達到最優的最優控制問題,應用「代價函法」及「共軛梯度法」編制計算程序,計算得到符合給定約束條件、並使目標函取極值的最優環量分佈,結果是令人滿意的。
  4. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所制備的鋯表面改膜進行了滲氫能實驗,考核了膜對氫的唯一選擇滲,結果表明:在四極質譜的檢測下限內,只有氫氣存在,而無雜質氣體過;在593k 773k溫度范圍內,鋯表面改選擇滲氫膜具有高於鈀膜十倍至十幾倍的滲氫流量和滲氫系;其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線關系;壓力對膜的滲氫系幾乎無影響;膜的滲氫系隨著溫度的升高而下降,井巨呈關系:根據對實驗據所作滲氫系與溫度關系曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0
  5. The so - called " transparency " means whether the hardware protection locks will cause any irregular interferences or changes to the data that is exported from a computer s printer port ; the normal design of protection locks will not have any impact on data from it and the transparency can also relate to the " compatibility " with other products

    所謂,即是硬體保護鎖是否會對由計算機的印表機埠輸出的據造成不正常的干擾或改變正常保護鎖的設計,是不應該對印表機埠輸出的據造成任何影響的另外,也關繫到與其它產品的兼容問題。
  6. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可過沉積參的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參
  7. 2. the permeability index of 7d tail - suspended rats increased significantly ( p < 0. 01 ) and that of 21 d also increased significantly ( p < 0. 05 ), but the permeability index of 2id tail - suspended rats increased less than that of 7d. 3. there were apoptotic cells in pulmonary tissues of rats

    2 、 7d懸吊組模擬失重大鼠肺微血管通透性指數顯著增大( p 0 . 01 ) ,且21d懸吊組模擬失重大鼠肺微血管通透性指數仍較大( p 0 . 05 ) ,但與7d懸吊組相比增大程度已開始降低。
  8. First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion

    文中首先根據vimp對樹脂體系的要求,對vimp用不飽和聚酯樹脂體系的動力學和流變學能進行了研究,確定了最佳低收縮添加劑的含量;對高滲介質型和溝槽型vimp開展了實驗研究,過可視化實驗優選出較好的高滲介質,確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參並進行了優化;對影響充模過程的各種因素進行了詳細的討論,並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程;在實驗的基礎上,建立了二維滲漏模型,採用控制體有限元法對高滲介質型vimp進行了成型過程的計算機模擬計算,過充模時間和流動前峰的計算值與實驗結果的比較,驗證本文所採用的學模型和值方法的正確,其結果對實際生產具有一定的理論導意義。
  9. Selecting two articles on this section as its research objects, the thesis makes a deep analysis of these two news texts with “ the urban marginalized ”, a sociological term, as its connecting thread. by telling regular days ’ “ rifles ” of “ the urban marginalized ”, the narration itself comes out to be the presentation of and enquiry into the meaning of common people ’ s life, and overthrows the traditional “ mainstream narration ” in content. the narrative style of “ magnetic structure ” exhibits the living surroundings of the narration body more forcefully, although it dissects the typical linear structure conventionally used in in - depth reports

    本文的研究表明,這類報道中的敘述者過講述「城市邊緣人」日常生活中的「小事」 ,其敘述本身構成對于普人日常生活意義的呈現與追問,在內容上顛覆了傳統的「主流敘事」 ; 「磁場式結構」的敘述方式,消解了常規深度報道慣用的線結構,但卻更有力地展示出了敘事主體的生存氛圍,有助於推進受述者閱讀這一群體充滿變的生活,引發真切感受;語言的修辭向意義的播撒,明樸素的語言中流動著厚重的人文關懷,舒緩細膩的敘述筆調增強了敘述文本的張力。
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