porosity rate 中文意思是什麼
porosity rate
解釋
氣孔率-
Calculated the open pore rate, porosity and average leaching time. photomicrograph of representative porous microstructure of matrix were taken by scanning electron microscope ( sem )
計算平均開孔率、空隙率、氯化鈉瀝清時間，並進行支架表面與內部孔徑和空隙開放情況的掃描電鏡觀察。 -
Variations in porosity of various batches of retainer materials and variations in bleed-out rate are contributing factors to these spotty results.
各批保持架材料多孔性的變化和供油速度的變化是構成這些不一致結果的因素。 -
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。 -
Electropolymerization methods have some attractive features including the easy adherence of the polymeric films to the surface of conducting electrodes of any shape and size and the ability to control thickness and porosity of the films by adjusting scan rate and time during electropolymerization
用電聚合法制備分子印跡已有報道。通過調節聚合速度和聚合時間可以得到不同疏密程度的電聚合膜，並且電聚合膜可以在任何形狀和大小的導電電極表面上形成。 -
On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system
本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上，提出了材料凝固固相率的線性分佈法和拋物線分佈法，並將前者應用於系統中；同時提出了溫度梯度法和新山判據法的實現演算法，此演算法具有一定的靈活性。 -
Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming
模擬的主要內容是在各種過程耦合作用下，以下描述構造成礦體系的主要變量的時空演化：與成礦流體的形成和性質有關的變量，如地層中礦物（包括成礦物質）的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等；與構造變形和流體運移有關的各變量，如應力與變形速率、巖石孔隙度、構造（斷裂）滲透率等；與沉澱成礦有關的變量，如礦物（金屬礦物和脈石礦物）的成核速率、各礦物的沉澱量等；上述各有關變量間的時空耦合關系，如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。 -
Research section braided distributary channel sandstone is mostly positive rhythm, and high porosity and seepage rate in its central - top section, low seepage rate kalk interbed in its bottom. underwater distributary channel sandstone is relatively homogeneous positive rhythm, high porosity and seepage rate in its bottom, its top low. distributary mouth bar sandstone is complex rhythm, many interbeds inside
研究區宏觀非均質性特點為：研究區辮狀分流河道砂體以正韻律為主，高孔、滲帶在砂體中上部，底部常存在低滲透率鈣質夾層；水下分流河道砂體為較均質的正韻律，下部孔滲高，上部孔滲變小，分流河口壩砂體為復合韻律，砂體內部夾層多。 -
It is showed that by using the phenolic resin and the fiber, the clutch friction materials could be manufactured with good properties such as stable friction coefficient, low wear rate, high fade resistance at 350, and suitable porosity
結果表明，採用三組份酚醛樹脂和混雜纖維可以制備出摩擦性能良好， 350不發生熱衰退的離合器摩擦材料，且材料具有合適的孔隙率。 -
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。 -
In this study we analysed the interactions between initial lymphatic and interstitium, examined the procedure of lymph formation, developed the interaction theory for lymph formatoin, and showed that not only interstitial fluid prssure but also normal stress of interstitial solid phase should be considered and that lymph flow rate is greatly affected by interstitial porosity
分析了初始淋巴管與間質的相互作用，考察了淋巴液形成過程，提出了淋巴液形成的相互作用理論，說明了不僅要考慮間質流體壓力，還要考慮間質固相法應力及總應力，才能了解淋巴液的形成機理，間質孔隙度則直接影響著淋巴流量。 -
Plga particles expand around nacl particles create the well - distributed foamy disc and plga / nacl particles ratio effects the porosity and open pore rate, the diameter of nacl particles determined the pore size
支架的釋放性能可以在第7 28天高效維持，並且持續至第49天。 -
The results showed that with 1. 5wt % tih2, the porosity was the maximal and above 35 / min average heating rate, the porosity clearly increased ; and along with the increasing of compact pressure, preservation time and heating temperature, the porosity would be enhanced
分析結果表明：當發泡劑tih _ 2含量為1 . 5wt時，獲得的樣品平均孔隙率最大。平均加熱速率達到35 min以上時，平均孔隙率增加顯著。隨著壓實力的增大、保溫時間的增加和樣品最終加熱溫度的升高，平均孔隙率均會增加。 -
The results indicated that the time of heat preservation had important influence upon the macrostructure, apparent porosity rate, volume weight, the pervasion rate, shrinkage rate and the compressive strength
研究結果表明，保溫時間對孔結構、氣孔率與容重、水滲透率、收縮率以及強度有著重要的影響。 -
The results show that the optimal processing of 6061 aluminum foams which have structural uniformity and controlled porosity is the foaming temperature 620 - 690, heating rate 45 / min - 60 / min and heat preservation time is 12 - 18min. according to pore size tih2 content is chosen. when pore size is big, tih2 content is high and heat preservation time is short, vice versa
研究結果表明，對于實驗採用的6061鋁合金粉末材料來說，加熱發泡製備出孔隙結構均勻，孔隙率可控的泡沫鋁的最優條件是，加熱溫度為620 - 690 ，保溫時間為12 - 18min ，加熱速率為45 - 60 min ， tih _ 2含量可以根據所需孔徑的大小來確定。
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