透氣性指數 的英文怎麼說

中文拼音 [tòuxìngzhǐshǔ]
透氣性指數 英文
permeability index
  • : 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 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 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
  • 透氣 : 1. (空氣通過) ventilate 2. (呼吸空氣) breathe freely
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. 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,在不同原料組成(即不同的氫分壓)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,只有氫存在,而無雜質體通過;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
  2. At present, national standards including graduation and test method for thermal insulating properties of windows ( gb8484 - 2002 ) and graduation and test method for air infiltration of windows ( gb71017 - 2002 ) regulate the two indexes of thermal transmittance and air infiltration of windows, but the standards don ’ t involve the test method for building shading performance of windows

    現行國家標準包括《建築外窗保溫能分級及其檢測方法》 ( gb8484 - 2002 )和《建築外窗空能分級及其檢測方法》 ( gb71017 - 2002 )中對窗戶的傳熱系和空量這兩項標做了規定,但是沒有涉及到建築遮陽能的檢測。
  3. 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

    該系統可通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相沉積過程;利用微波對材料的選擇加熱特,通過構造等效方程,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
  4. State parameters module includes prediction models for several production targets such as synthesized permeability, yields of agglomerate, sulfur content and plumbum content in agglomerate. the sintering state is judged and evaluated by the prediction results

    狀態參分析模塊包括了幾個關鍵生產標的預測模型,包括預測模型、燒結塊產量預測模型、燒結塊含鉛量預測模型和燒結塊含硫量預測模型,並根據其中的產量質量預測結果判斷當前的綜合工況。
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