氧氣孔 的英文怎麼說

中文拼音 [yǎngqìkǒng]
氧氣孔 英文
oxygen outlet
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 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...
  • 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
  1. 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。
  2. Abstract : hydrogen and oxygen solubility in molten copper, condition of gas - absorption during smelting of pure coper, mechanism of gas hole formation, gas hole appearance on worked material and measure to gas absorption prevention have been briefly described

    文摘:論述了氫和氧在銅液中的溶解能力、熔鑄紫銅時的吸氣條件、氣孔形成的機理、氣孔在加工型材上的表現、防止吸氣的措施等。
  3. Oxygen and carbon dioxide from the air enter through the stoma.

    空氣中的氧和二氧化碳由氣孔進入。
  4. The product is produced according to general standard. as inoculant alloy in cast iron, deoxidizer in steel - smelting, the product is used widely in steel industry. it has unique and special function on a long time of anti - declining, reducing gasholes of cast material and improving processing function

    以硅為基礎的硅鍶合金按通用標準生產，作為高牌號灰鑄鐵的孕育劑，煉鋼中的脫氧劑，合金劑而廣泛應用於鋼鐵工業之中，作為孕育劑在抗衰退時間長，減白口能力強，減少鑄件氣孔，改善加工性能方面均有著獨特的作用。
  5. Pomegranate contains rich organic acids, vitamins c & b, proteins, calcium, phosphorus, potassium and other mineral substances, can deliver a large amount of oxygen to the basal layer of skin tissues, help regulate the skin grease secretion, improve the cell respiration, skin resistance and detoxifying capability, remove skin toxins that block up pores, shrink flared pores, leave pores pure again, present the skin with perfectly smooth touch, bright tone and natural, youthful brilliance

    石榴中蘊含的豐富有機酸、維生素c & b ，蛋白質及鈣、磷、鉀等礦物質，能將大量氧氣帶到皮膚組織底層，幫助肌膚調節油脂分泌，煥發細胞呼吸，提升皮膚抵抗力及排毒功能，排清阻塞毛孔的皮膚毒素，收細粗大毛孔，讓毛孔回復純凈無污染狀態，肌膚觸感完美順滑且膚色明亮，展現自然青春光彩。
  6. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  7. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。
  8. Abstract : this article is about two series of borate and phosphate comprising seven directions. the experiment result shows that both of the two gl ass antioxidants can reduce apparent porosity ， raise oxidation resistance and th e crushing strenth after fire ， but lower refractoriness under load. phosphate glas s is superior to borate in refractoriness under load. which c an attain over 1600 ; so the phosphate glass is a d esirable antioxidant

    文摘:研究了硼酸鹽和磷酸鹽兩個系列七種配方的玻璃防氧化劑，實驗表明這兩種玻璃防氧化劑均可降低鋁鎂碳磚的氣孔率，提高鋁鎂碳磚的抗氧化能力及燒后的耐壓強度，但也不同程度地降低了鋁鎂磚的高溫荷重軟化變形溫度，其中磷酸鹽玻璃優于硼酸鹽玻璃，其高溫荷重軟化變形溫度可達到1600以上，仍是可取的防氧化劑
  9. The results show that : the fillers of sio2 based investment consist of sio2, al2o3 and mgo, and the binder is nh4h2po4 for sio2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900 ; the fillers of al2o3 based investment consist of al2o3 and mgo, and the binder is nh4h2po4 ; for al2o3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900 ; the fillers of mgo based investment consist of mgo and al2o3, and the binder is ca cement ; for mgo based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900

    結果表明：氧化硅系包埋料的骨料是氧化硅、氧化鋁、氧化鎂，結合劑為磷酸二氫銨，其900鍛燒后顯氣孔率增加，體積密度下降，耐壓強度降低，熱膨脹增大；氧化鋁系包埋料的骨料是氧化鋁和氧化鎂，結合劑為磷酸二氫銨，其900燒后顯氣孔率增加，體積密度下降，熱膨脹變化不大；氧化鎂系包埋料的骨料是氧化鎂和氧化鋁，結合劑是鋁酸鈣水泥，其900燒后耐壓強度明顯降低，熱膨脹明顯增大。
  10. The investigation presents a new method of dipping sic kiln furniture into 2 saturable solution or into the saturable solution of ca3 ( po4 ) 2 and a1po4 in order to beneficial to its crystalline structure change and its properties, to make it packed and decrease its porosity. it can also hinder the diffusion of oxygen so as to decrease the oxidation rate and lengthen the useful life. the mechanism of dipping two kinds of phosphate saturable solution were studied and proved by the results of scanning electron microscope

    本研究首次採用sic窯具材料浸漬ca _ 3 （ po _ 4 ） _ 2飽和溶液和浸漬ca _ 3 （ po _ 4 ） _ 2與alpo _ 4混合飽和溶液的方法，目的在於有利於窯具材料晶相結構的轉化和性能的優化；能堵塞材料的氣孔，降低透氣率，阻礙o _ 2擴散，降低氧化速度，延長窯具材料的使用壽命。
  11. This paper presents the mechanism research on the decontamination of air pollution by plants in recent years, mainly including the following : absorption and sorption of stoma and cuticle on leaf surface, plant metabolism and enzyme redox, and degradation by plant in combination with bacteria in root

    摘要介紹了植物去除空氣污染物的研究現狀及機理，主要包括：通過葉表面的氣孔和表皮吸收、吸附；植物體內代謝或者分泌酶催化氧化還原進人體內的污染物；通過植物聯合根系微生物降解由於干濕沉降進人土壤或者水體中的污染物等。
  12. This review focuses on morphological and physiological reactions of fruit tree to water stress. leaf area, root growth and microstructure of leaves and roots were investigated. some physiological and biochemical index of fruit tree leaves and roots under water stress, such as variations of stomatal aperture, photosynthesis, photoinhibition, metabolism of lipoxygenase, content of proline, nuclear acid and endogenous phytohormones, were summarized

    從水分脅迫對果樹葉、根的形態指標及顯微結構，葉片氣孔行為、光合作用、光抑制、活性氧代謝、脂氧合酶代謝、多胺代謝、脯氨酸、核酸代謝、內源激素變化等生理生化方面綜述了近十幾年來的研究成果，為全面研究果樹抗旱機理及進一步制定抗旱措施奠定理論基礎。
  13. Here, using stomatal analysis and laser scanning cofocal microscope techniques, we show firstly that no as the downstream intermediate of h2o2 signaling mediates aba - induced stomatal closure in viciafaba l. sodium nitroprusside ( snp, a no donor ) and h2o2 could mimic the effects of aba on stomatal closure

    由aba或h _ 2o _ 2所誘導的蠶豆氣孔關閉過程可部分地被no的專一清除劑c - ptio所逆轉，而h _ 2o _ 2的清除劑過氧化氫酶（ cat ）則不能逆轉no誘導的氣孔關閉過程。
  14. Anodization of high purity al foil in phosphoric acid solution at different pressures was experimentally studied to understand the formation mechanism of the nano - porous anodic alumina membranes

    摘要為探討多孔鋁陽極氧化膜的形成機理，研究了不同氣壓條件下鋁在磷酸溶液中的陽極氧化過程，發現在真空下進行陽極氧化，氧氣析出非常明顯。
  15. The thin - film and flooded - agglomerate ( tffa ) model assumes that the oxygen diffusion electrode made of a gas - diffusion layer and a reaction layer possesses a double - scales of porous structure in the reaction layer

    薄膜浸漬聚集體（ tffa ）模型假定由氣體擴散層和反應層構成的氧氣擴散電極在反應層中是一種二次構造形式的多孔結構。
  16. Determination of density and total porosity of uranium dioxide pellets by the mercury displacement method

    水銀置換法測定二氧化鈾顆粒的密度和總氣孔率
  17. In the aspect of thermal spraying processes the main techniques applied to water wall tubes include flame spray, arc spraying, plasma spray and high velocity oxy - fuel spray ( hvof ). flame spray possesses the characteristics of simple equipment, easy of use and low operating cost, but the coating adhesive strength is low, and porosity and oxidation is high

    在噴塗工藝方面，制備管道塗層的方法主要有火焰噴塗、電弧噴塗、等離子噴塗、超音速火焰噴塗等。火焰噴塗具有設備簡單、使用方便、操作成本低的特點，但它的塗層結合強度低，氣孔率及氧化物含量高。
  18. Furthermore, when 10 imo il h2o2 ( final concentration ) was added to the suspension after above treatment caused little reduction in hpts fluorescence. the results obtained by laser scanning confocal microscopy suggested that addition of exogenous aba resulted in a rapid decrease in fluorescence in most cellular compartments of the guard cells

    維生素c可部分逆轉低濃度h2o2 （ 10 - 5 ）所誘導的氣孔關閉過程：並且10 - 6mol l的dpi和103u ml的過氧化氫酶（ cat ）在一定程度上也逆轉了aba誘導張開氣孔的關閉。
  19. From the investigation of titania films with peg as additive, several significant conclusions could be drawn : titanium dioxide films with porous microstructure could be prepared using peg as additive ; almost no conglomeration were observed with the titanium particle ; the microstructure of titania films could be modulated by the amount of peg and treating temperature ; at the same time, the porosity of the film improved with the increase of peg ; for the specimen treated at different temperatures, the greatest porosity could be achieved when treated at 500 ? ; the adding of peg could greatly increase the dye adsorption amount

    對以peg為添加物的tio _ 2薄膜樣品的研究表明： peg的加入得到了具有疏鬆多孔結構的tio _ 2薄膜，但二氧化鈦顆粒有些團聚。 peg的含量和熱處理溫度對tio _ 2薄膜的微觀結構均有影響。 tio _ 2薄膜的氣孔率隨peg的加入量的增多而增大。
  20. Furthermore, aba may activate multiple ca2 + flux in stomatal guard cells, triggering vacuolar k + ( rb + ) release. besides these known components, hydrogen peroxide is a ubiquitous second messenger which has been researched in plants. this paper showed aba - induced h2o2 generation in guard cells of vicia faba, and activation of ca2 + channels by h2o2

    本實驗利用激光共聚焦顯微技術、膜片鉗技術以及熒光分光光度技術研究了aba誘導蠶豆氣孔保衛細胞產生h2o2 ，並可能是由nadph氧化酶催化產生的，同時也證明了h2o2是引起ca2 +內流的一個關鍵成分。
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