chemical barrier 中文意思是什麼

chemical barrier 解釋
化學屏蔽
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • barrier : n. 1. 柵,柵欄,隔欄,障壁,隔板,擋板;賽馬的出發柵。2. 關口,(海關)關卡。3. 障礙;壁壘;界線。4. (擴伸到海洋中的)南極洲冰層。vt. 用柵圍住。
  1. The functions of the secretory barrier of the tracheobronchial tree are physical, chemical, immunological, and biological.

    氣管支氣管樹分泌屏障的功能有物理的、化學的、免疫學的和生物學的。
  2. In this investigation, gas barrier property of pet has been improved by plasma enhanced chemical vapor deposition ( pecvd ) and plasma immersion ion implantation ( piii ) technologies

    本文通過等離子體化學氣相沉積( pecvd )和等離體浸沒離子注入( piii )技術在聚酯材料表面制備了阻隔碳膜來提高氣體阻隔性能。
  3. Gas permeability tester and mechanical folding device were developed to study the barrier property and deformation failure behaviors. the surface characterization, chemical structure, optical, mechanical properties of pet coated with dlc have been investigated by x - ray photoelectron spectroscopy ( xps ), contact angle measurement, light transmission analysis, nanoindentation and friction wear tests

    通過x射線光電子譜分析、接觸角測定、光學透過率分析、納米壓痕、摩擦磨損試驗、機械彎折試驗、氣體透過率試驗,對膜層的表面特徵,光學、力學及氣體阻隔性能進行了系統的研究。
  4. Although skin can be a relatively impermeable barrier, a few drugs have just the right physical and chemical characteristics to cross it at reasonable rates

    雖然皮膚是相當不易穿透的障礙,但少數藥物的物理化學特性,恰好能讓這些藥物以合理的速率穿過皮膚。
  5. Brand extension and barrier to entry : the case of chinese daily chemical articles industry

    日化用品行業的品牌擴散與市場進入壁壘
  6. The methods of physical testing and chemical analysis are introduced for quality inspection on thermal barrier coats of the high temperature parts used in gas turbine power station

    摘要採用理化分析方法對電站燃氣輪機高溫部件熱障塗層的噴塗修復質量進行了檢測和評定。
  7. Due to the range of human uses made of the watercatchment area adjacent to the great barrier reef some 400of the 3000 reefs are within a risk zone where water qualityhas declined owing to sediment and chemical runofffrom farming, and to loss of coastal wetlands which are anatural filter

    由於人們將毗鄰「大堡礁」的集水處用於多種目的,在3000個礁地中有大約400個處在一個危險地帶,那裡的水質因農耕排放物中的沉澱物和化學排放物以及擔當著天然過濾器作用的海岸濕地的流失而出現了下降。
  8. Permeation and soil chemical barrier assessment of 3 kinds of termiticides

    3種白蟻藥劑的滲透深度及土壤化學屏障的評價研究
  9. ( 2 ) several samples of different structure parameters are grown by low - pressure metal - organic chemical vapor deposition ( lp - mocvd ). it is found that pl peak intensity, full width at half maximum ( fwhm ) and light output intensity are greatly dependent on number of wells. ratio of well / barrier width nearly has no effect on pl peak intensity and fwhm, but has little relation to light output intensity

    通過分析pls ,可以及時獲取材料生長和結構設計的數據,對質量控制有重要的指導意義; ( 2 )對不同結構的gainp algainp多量子阱樣品進行了光致發光及出光強度的測量,發現mqw的周期數目n對pl峰強度、半峰寬和出光強度的影響最大;阱壘寬厚度比a對pl峰強度和半峰寬的影響較小,但對發光強度的影響較大。
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