氣孔質的 的英文怎麼說
中文拼音 [qìkǒngzhíde]
氣孔質的
英文
vesicular- 氣 : 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...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 的 : 4次方是 The fourth power of 2 is direction
- 氣孔 : [礦物學] blowhole; [植物學] stoma; [動物學] spiracle; pore; stigma; [冶金學] gas hole; gas pocket; [建築] air hole
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3. the mathematical model for heat and mass transfer in the adsorbent bed is established, the porous of adsorbent, the flow of adsorbate in adsorbent, the characteristic of non - equilibrium adsorption are combined in the model, and a more accurate model of fluid flow in porous media - ergun model is adopted
它綜合考慮了吸附劑的多孔介質結構,吸附質氣體在吸附劑內的流動,吸附的非平衡特性等,並且在吸附質氣體流動模型的選擇上,採用了ergun多孔介質流動模型,比常規的數學模型更全面準確地描述了吸附床傳熱傳質的動態特性。People now pay much attention at porous aerostatic bearing which has obviously higher load capacity and better damping characteristic and stability. there are two kinds of porous aerostatic bearing : the whole porous and partial porous
多孔質氣體靜壓軸承能明顯提高軸承的承載能力,具有更優越的阻尼特性和穩定性,故得到廣泛的關注。A new pbg cover formed by digging air holes in the material is studied. lt is easier to be fabricated compared with the structure reported before
與文獻所報道的矩形氧化鋁棒結構相比,這種新的覆層結構由於採用了介質內鉆空氣孔的形式更容易加工實現。On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality
總之, co :加富條件下紅掌葉片的氣孔導度與蒸騰速率降低,水分利用效率增加,凈光合速率提高,有利於碳水化合物的積累,促使紅掌的各項生長指標(株高、葉面積、生物量)提高,開花比率提高,佛焰苞面積增大,提前且延長了花期,提高了紅掌的觀賞品質。The anatomical and ultrastructural research in the cotyledon of antirrhinum majus indicated : cutin membrane and sparse epidermal trichome occurred on the surface of cotyledon. stomata protruded appreciably over the epidermis, the ratio of palisade mesophyll and spongy mesophyll was low, the previous evidence showed structural charecater of shade leaf
通過對金魚草子葉的組織學和細胞學研究,發現其表皮角質膜薄,具稀疏表皮毛,氣孔略突出於表皮,柵欄組織與海綿組織比例小,故具有陰性葉的結構特徵。1 water threatening - resistant characteristic : for instance, the outside tangency wall of epidermis cell prominently thicken ; the outside of epidermis cell are obviously covered by cuticle ; few stomats exists ; stomats are sunken ; and it has stmatic chamber structure, big aqueous tissues - parenchyma cell, mucilage cell, abnormal vascular, and soon
抗水分脅迫的抗鹽結構特徵。如表皮細胞外切向壁明顯加厚,表皮外有明顯的角質層覆蓋;氣孔稀少、氣孔下陷及具有孔下室結構;大型貯水組織薄壁細胞、粘液細胞、異型維管束等。There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根系逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞數目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角,噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater
通過本區白雲巖的研究發現:已有的白雲巖樣品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵;在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中,無論是準同生成因的泥?微晶白雲巖,還是粉?細晶(或中晶,或細晶以上的不等晶)的成巖白雲巖,均投在海水線的附近;白雲巖(或基質)的~ ( 87 ) sr / ~ ( 86 ) sr比值顯著低於與孔洞或脈中充填的亮晶方解石,且與海水值十分接近, ~ ( 13 ) c和~ ( 18 ) o值顯著高於孔洞或脈中充填的亮晶方解石,也偏向于海水值; mn含量則顯著低於孔洞或脈中充填的亮晶方解石。Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. the patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all species
結果表明:這些植物葉片的上、下表皮細胞呈多邊形或不規則形,垂周壁式樣為平直、弓形或波浪狀,平周壁偶有脊狀條紋;少數種類上表皮還有氣孔器或分泌細胞,所有種類下表皮具氣孔器和分泌細胞;氣孔器類型以平列型和側列型居多,偶爾有無規則型;氣孔極區呈稍角質加厚或棒狀加厚,稀t形加厚。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Most of these species had simple hairs. the stomatal apparatus is paracytic type with one or two subsidiary on both or either side of the guard cells. three types of anticlinal walls of epidermal cells are recognized : straight, sinuolate or sinuate
表皮細胞垂周壁式樣、氣孔分佈密度及式樣、下表皮毛被的有無、多少及毛的長度、下表皮角質突起飾物的形態等具有一定的分類學意義。In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。Study on branchlet surface sculpture does not reveal any hair - like structures as recorded by previous authors ; only some warty cuticles on the ridges and variable stomata in the grooves are noted. the surface of synangium in ephedra has secondary sculpture while the lip of the openings of synangium resembles the cerebral waves
對小枝表面掃描電鏡下的微形態構造的研究並沒有發現前人報道的毛狀體特徵,而只有一些疣狀角質突起和有變異的氣孔,同時注意到,麻黃屬植物的小枝表面特徵受到生境、發育階段的影響。The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc
從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析,得出以下結論: ( 1 )在形態解剖上:迷迭香具有發達的根系,較小的葉面積,葉片下表面密被絨毛,氣孔密度大,開度小,厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。Finally, it also discusses the sign ifi cance of thermal fluid flow to pool - forming dynamics : ( 1 ) provides a new ex planation way to abnormal vitrinite reflectance, which can enlarge the fields of hydrocarbon exploration and development ; ( 2 ) provides some important evidences to research of hydrocarbon migration, which support to choose exploration targ e ts ; and ( 3 ) provides means to study diagnesis and porosity evolution of reservo ir rocks, which can be used to predict the development units of deep reservoir s
最後,探討了熱流體活動對成藏動力學研究的重要意義,認為其可為有機質演化異常提供新的成因解釋途徑,擴大油氣勘探領域;為油氣運移的研究提供線索,優化勘探目標選擇;為成巖-孔隙演化的動態研究提供依據,預測深部儲層發育層段。The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件,催化層中ptfe含量約20 , mno _ 2的最佳含量約為20 ,催化層中活性炭和乙炔黑的比例為4 : 1 (質量比) ,厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ,以無水硫酸鈉作為造孔劑,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式,冷壓成型,熱處理對空氣電極的性能影響較大,熱處理溫度不低於200 。Antitranspirant a chemical that reduces transpiration. antitranspirants may work by depositing a waterproof film over the stomata or by inducing stomatal closure
抗蒸騰劑:可以減少蒸騰作用的化學物質。抗蒸騰劑可以通過沉積氣孔上的防水膜或誘導氣孔關閉起作用。In this paper, the pressure field and static characteristic of bearings are simulated by fluent. the pressure contours of restrictors and shaft are acquired as well as the load capacity and static stiffness curves versus eccentricity ratio
本文首次應用它對軸承的壓力場和靜態特性進行了模擬分析,得出了氣體流經小孔、多孔柱塞和全多孔質的壓力變化曲線以及軸上壓力沿軸向和圓周方向上的變化趨勢,並給出了軸承的承載能力和靜態剛度曲線。The gas is the products of the reaction between the c and the impurities and some other impurities which volatilize at high temperature. because of the free c and pore. the strength of the infiltrated materials was lower than that of the rbsc materials
此外,原料中的雜質同c在高溫下反應生成的氣體產物和高溫下以氣體形式外逸的雜質也會阻礙c的完全轉化。由於材料中殘留c 、氣孔相的影響,同rbsc材料的強度相比, mosi _ 2 ( p ) rbsc材料的強度有所下降。分享友人