氣孔數 的英文怎麼說

中文拼音 [kǒngshǔ]
氣孔數 英文
pore number
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • 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. 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;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;晶細胞及纖維細胞目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
  2. 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;少種類上表皮還有器或分泌細胞,所有種類下表皮具器和分泌細胞;器類型以平列型和側列型居多,偶爾有無規則型;極區呈稍角質加厚或棒狀加厚,稀t形加厚。
  3. It may be a modified stoma with the guard cells permanently open so that water is lost passively by hydrostatic pressure, as in sea lavenders ( limonium ), or a glandular hair from which water is actively secreted, as in runner bean ( phaseolus )

    這可能是由於的保衛細胞永久張開而使水分在靜水力的作用下被動排出,比如海薰衣草(補血草屬) ;也可能是由腺毛主動分泌水分到外部,比如紅花菜豆(菜豆) 。
  4. Box type liquid - gas distributor is the patent product of our company, it not only realized the full connect of liquid but also avoid leak of it, the distributor can add the liquid distribute hole, it has small central line horizontal windage

    液分佈器不但實現了液體流動全連通,而且避免了液體泄露,液體分佈量可以增加,分佈中心線水平度偏差小,具有更加優良的液分佈效果。
  5. The results show that the characters such as shape and pattern of anticlinal walls of epiderm, stomatal density, stomatal distribution and epidermal hairs possess the classific value of species

    下表皮的結構遠較上表皮摘要復雜,表皮細胞形態各異,有為較多的器,密度、分散式樣各不相同。
  6. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明:葉表皮的排列方式、長度、長寬比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長寬比、垂周壁形狀,上部葉柵欄組織細胞層、葉的維管束、葉中脈導管組成目,腔類型,葉的脊部遠軸面的角,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物系統演化的性狀指標,根據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  7. When a leaf is looked at under a microscope, it is seen to have thousands of little breathing pores

    在顯微鏡下觀察一片樹葉時,可以看見千個小
  8. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統,系統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、導度和細胞間隙co _ 2濃度等與植物光合作用相關的參
  9. Grinding wheel continues with an infinite number of hard, sharp and refractory grits on edge surface at a high speed of swing operation to cut and grind over the surface of work piece, and unceasing self - sharpening grains and pore continue to grind a tool for every kind of material

    砂輪是經由高速回轉運作中,以其在外緣表面植無上千萬之硬銳耐溫之小磨粒連續在工作物表面切削磨除,且不斷的自生銳利顆粒與磨屑空隙,繼續對各種材料做磨削工作的一種研磨工具。
  10. Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %

    當入射空的壓強、流量,液面高度,出直徑增大時,泡直徑隨之增大;當出氣孔數量,液體粘度增大時,泡直徑減小,表面張力對泡直徑的影響可以忽略不計;靜態條件下液體表面泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。
  11. Pore parameters ( porosity and distribution of pore diameter ) of porous glass prepared by filler principle were measured and analyzed. they were mainly determined by the volume ratio and the particle diameter of the pore former in the green body. preparation and sintering process of the samples resulted in the difference between the porosity and the volume ratio of the pore former. they were also responsible for the deviation between the distribution of poer diameter and the particle diameter of pore former

    研究表明,利用填充法制備的多玻璃的率、徑分佈)可進行設計與控制,多玻璃的率和徑分佈主要取決于成劑的體積比及其顆粒分佈,前者與後者之間的偏差取決于生坯制備及燒結過程。
  12. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明,燃燒室進徑、的分佈及方向等均對燃燒性能影響很大;斜所產生的旋轉進,雖具有強化燃混合、消除死區和迴流穩焰的作用,但迴流過度會使燃燒室及排溫過高;保證進排系統流動阻力(壓力)的一致性,有助於保證加熱器性能穩定。
  13. The main results indicated that : significant differences exist in diurnal average transpiration rate and the range of diurnal transpiration rate ; the transpiration rate of sawtooth oak, amorpha, lalang grass varied with a regular double apex rhythm, but that of the rest varied with a regular single apex rhythm, stomatal conductance play a maximal important role in transpiration rate, temperature ( air temperature, the earth ' s surface temperature ) also influence the transpiration rate ; transpiration rate has prominent negative correlation with the relative air humidity, the biggest coefficient is 0. 866

    筆者對日照沿海防護林幾種主要木本植物和草本植物的蒸騰速率和環境因子的關系進行了研究,結果表明: 8種植物日平均蒸騰速率和蒸騰速率日變幅各異;麻櫟、紫穗槐和白茅的蒸騰速率日變換呈現出雙峰式的變化規律,其它5種植物蒸騰速率表現為單峰式的變化規律;導度影響著植物的蒸騰速率,溫度(溫、地面溫度)是影響植物蒸騰速率的主要因子;空相對濕度和蒸騰速率表現為顯著或極顯著負相關,相關系高達0 . 866 。
  14. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明: ( 1 ) 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則,排列緻密;角質層較薄; ( 2 ) 「隴縣火蒜」比「改良蒜」蒜薹表面的氣孔數量少,但開張度大;分泌細胞出現早、體積大、量多;維管束量少、直徑小; ( 3 ) 「隴縣火蒜」蒜薹髓細胞衛多邊形,髓細胞間隙率小,而「改良蒜」蒜薹的髓細胞呈橢圓形,髓細胞間隙率大。
  15. An experimental study is carried out on the effect of following factors on the combustion performance of a vehicle fuel heater : geometric parameters ( the number, diameter, distribution and direction of combustion chamber intake holes ) and intake and exhaust pressures

    摘要對車用燃油加熱器燃燒室進徑(流通面積) 、的分佈、的方向等幾何參和進排壓力對加熱器燃燒性能的影響進行了試驗研究。
  16. The article below deals with the mechanism research of this kind of machine, describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement, i. e., longitudinal pores are equally spaced, horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance, and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row

    本文對墊機作了機理研究,描述了墊機的結構型式及工作原理,對墊機的主參作了理論分析,根據平行平板間的徑向流動理論,建立了計算模型,導出了計算公式,可作為墊設計理論的依據;提出了布置的原則:縱向間距相等較好,橫向徑不等為佳,橫向排距可以相等,也可以不相等,但一般小於間距。應為奇,由中心兩側呈對稱布置,徑由中心向兩旁逐漸減小。
  17. The comparison of stomatal parameters in leaf cuticles between two fossil angiosperms from the pliocene in west yunnan and their nearest living equivalent species indicates a little higher atmospheric co2 level at that time than the present, while carbon isotopic composition of fossil cuticles demonstrates much higher carbon isotopic discrimination and slight lower water use efficiency, showing a warmer and wetter climate than today

    摘要對滇西騰沖新近紀兩種被子植物葉片及其現存對應種的和碳同位素組成的綜合分析表明:當時的大co2濃度略高於現在水平;化石種的碳同位素分餾值高於現存對應種,但水分利用效率低於現存對應種;這證明當時的候條件比當前更為溫暖濕潤。
  18. 2 leaflets from plants grown in the increasing salt concentrations ( up to 200mm ) became smaller and thicker, leading to the smaller ratio between superficial area and mesophyll tissue volume. in the same process, the cuticle became thickness significantly increased while stomata became less in number and smaller in area

    ( 2 )隨鹽濃度增加,葉片整體逐漸變得小而厚,葉表面積與體積的比值小,從而減少蒸騰面積,同時角質層變厚,單位面積上的氣孔數目減少,器面積減小,都可以使植物盡量降低蒸騰速率,減少體內水分散失。
  19. Results indicate that the samples are comprised of slate - like grains growing up in different directions, and that grain size and pore play a domain role in electrical conductivity and thermal conductivity besides seebeck coefficient

    結果顯示燒結樣品由不同取向的片狀顆粒組成,顆粒大小以及顆粒間的氣孔數量對樣品的電導率和熱導率有顯著影響,對seebeck系影響不大。
  20. 3. stomata characteristic is very important to improve photosynthetic capacity. the stomata of c4 plants such as echinochloa rusgalli, maize, are larger than c3 plants such as rice and stomata density of c4 plants is less than c3 plants

    C _ 4植物長芒稗、玉米等較大,但單位面積氣孔數少,水稻及其雜交後代的器大小顯著小於c _ 4植物,而ygfl的器大小略大於其母本。
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