氣發泡孔 的英文怎麼說
中文拼音 [qìfāpāokǒng]
氣發泡孔
英文
gas blown bubble-
Therefore, the purpose of this thesis is to look for a suitable preparing process for 3 - tcp with their micro - construction controlled more easily and the porosity rate and strength uniform. this paper created a new preparing method of porous ceramics, i. e. foam gel - casting technique, which integrated foam technique in porous ceramics preparing and gel - casting technique in structural ceramics preparing was applied to improve the preparing technique of porous p - tcp bioceramics in order to prepare ceramics bodies with high body intensity, controllable porosity and easily machining performance
因此，本論文努力尋求一種適合於- tcp多孔陶瓷的制備工藝，使其微觀結構易於調節控制，空隙率和強度達到平衡同一。在實驗中，結合了制備多孔陶瓷常用的發泡法和結構陶瓷制備中的注凝法，創新設計了一種新的多孔陶瓷成型方法? ?泡沫注凝法，對多孔- tcp生物陶瓷的成型工藝加以改進，制備出高強度、氣孔率可控以及易加工的陶瓷坯體。And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing
由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少，本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析，總結了本實驗條件下換熱及阻力的實驗關聯式。Our research group proposed a model for osmotic - regulation in guard cell vacuoles ( gcv ), which is depended on reversible disaggregation of particles and modulated by ph in gcv. published evidences for this model show a great increase of the distribution density going with obvious decrease in volume of the particles in gcv of open stomata in comparison with that of the stomata before open ( closed ). during stomatal opening there is an acidification in gcv of about - 0. 5 ph unit
作者所在試驗室提出了保衛細胞液泡內顆粒狀物質在ph介導下可逆解聚的滲透調節模型，並已發表了支持該模型的氣孔開放過程中的實驗證據（氣孔開放前後顆粒狀物的分佈密度極大增加；氣孔開放過程伴隨液泡ph的下降[約0 . 5單位] ） 。In addition, imperfections like drag and gas holes were easy to turn out in the surface of epc casting for imperfect technology design, and this was verified by the actual castings
同時發現，在消失模鑄件表面容易因殘余泡沫而造成表面渣氣孔，實際鑄件的表面質量也證明了這一點。However for the closed stomata, induced by aba, the distribution density of particles in gcv is greatly reduced with the obviously enlarged volume, b ) buffers regulate ph of in vitro gcv sap in the tip of micro - capillaries : certain amount of buffer ( mes - tris ) is filled from the tip of micro - capillaries beforehand, and the ph of gcv sap that is sampled by the same micro - capillary sh ould be regulated by the buffer
觀察結果與本試驗室已發表的氣孔開放過程的實驗結果一致：開放態氣孔保衛細胞液泡所含顆粒狀物的線度極小（平均直徑10nm ） ，且分佈密度極高，而經aba處理的關閉態氣孔保衛細胞液泡所含顆粒狀物的線度很大（平均直徑50nm ） ，分佈密度很小。This new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba
本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c ）本工作通過激光共聚焦顯微術配合ph熒光探針bcecfam的單激發（ 488nm ）雙發射的熒光比值法（ 525nm 640nm ）觀察到，用aba處理的表皮條上的開放態氣孔在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes
另外，論文通過大量的熱力學分析，得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件，揭示了氣孔演化的趨勢；論文還根據內生氣源發泡的特點，初步建立了高溫熔體中氣體發泡高度隨時間變化的方程，為進一步深入的研究發泡機理奠定了一定的基礎。分享友人