low-porosity 中文意思是什麼

low-porosity 解釋
低孔隙度
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • porosity : n. 1. 多孔性。2. 【物理學】孔積率；孔度，隙度。3. 多孔部分；多孔結構；多孔的東西。
  1. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。
  2. The dominant storage space is the solution micropores, the honeycomb - like solution pores and the kaolinitic intercrystalline pores. the pore throat is small to very small. the main characteristics of the reservoirs are low porosity and low permeability

    砂巖的儲集空間以粒內溶孔、粒間溶孔、高嶺石晶間隙等次生微孔隙為主，具有孔徑小喉道細的特點。
  3. And the major results and some new viewpoints were presented as follow : 1 ) sediment content of cn tillage system in runoff process is substantially low compared to st under rainfall with high intensity, showing cn bear the efficient capacity of control soil loss. nevertheless, when soil is saturated, the runoff intensity of both tillage systems is near, implicating cn has the limited function of reducing runoff. 2 ) based on the case analysis of observed all rainfall - runoff generation processes, a ) the initiation time hysteresis of surface runoff generation is notable when rainfall fall upon the unsaturated purple soils, which is attributed to the property of rapid water sorption and much non - capillary porosity

    經近幾年的觀測和理論分析，取得了以下結果和創新的認識： 1 ）在降雨強度較大的情況下，保護性耕作制? ?聚土免耕的產沙強度明顯較常規耕作制? ?順坡耕作的小，說明聚土免耕耕作制防治土壤流失是有效的；但當土壤達到飽和后，聚土免耕的徑流強度與常規耕作的差異較小，產沙強度也增大，因此，聚土免耕防治水土流失的能力是有限的。
  4. Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial

    文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土，文中所述燒結粉煤灰陶粒結構緻密，孔隙率低，能較好地改善了材料的力學性能，具有高強、吸水率低、穩定性好等特點，是一種新型建築材料
  5. By the application of the method in eighteen wells in the western depression of sichuan basin, it achieves good effect in the recognition of low permeability and low porosity tight clast of the western depression of sichuan basin

    通過對川西坳陷十八口井的實際應用，此方法在低孔低滲的緻密碎屑巖巖性劃分中取得了良好的效果。
  6. Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage

    在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上，探討了低煤級煤層氣的生成機制，指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體；進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵，實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。
  7. The result shows that the compressive strength of concrete under natural variational low temperatural curing is higher than the compressive strength of concrete under permanent low temperatural curing and the pore porosity under natural variational low temperatural curing is less than the compressive strength of concrete under permanent low temperatural curing ; the compactibility of concrete is good with fa ( < 15 % ) and sf ( < 8 % )

    結果當摻合料摻量相同時，自然變低溫（ - 15 ~ 5 ）養護條件下混凝土抗壓強度高於恆低溫（ - 10 ）養護條件下混凝土抗壓強度，孔隙率要低於恆低溫（ - 10 ）養護條件下混凝土的孔隙率;當單摻粉煤灰時摻量低於15 % 、單摻硅灰時摻量低於8 % ，低溫混凝土的密實性較好。
  8. The main conclusion of research is that the formation of shihezi and shanxi in the upper palaeozoic gas pool at the sulige gas field is characteristic of low permeability and medium porosity

    研究的主要結論：蘇里格氣田上古氣藏下石盒子組-山西組的儲層為低滲透率、低孔隙度儲層，沉積相類型主要是河流沉積。
  9. Genetic type and intrafomational heterogeneity pattern of low - porosity and low - permeability sandbodies in fuxian exploration area

    富縣探區低孔低滲砂體的成因類型與層內非均質模式
  10. From the dongying formation ( ed ) to neogene, the shahejie formation was located in the late diagenetic stage a1 ~ a2 ; the oil and gas pools formed in a wide scale. at present the lower e2s3, with overmatured source rocks and low porosity reservoir rocks, gets into the late diagenetic stage b - c in the northern qibei sag where is not favorable for petroleum accumulation, but the others of the shahejie formation are locate still in the late diagenetic stage a1 - a2 and propitious to form oil and gas pools based on the diagenetic numerical modeling under the condition of overpressure, we build a multiple unit cubic equation model for porosity prediction, as the result of the application of qibei sag, the prediction error is less than 2 %, and the precision excess that of foreign same model

    歧北凹陷的模擬結果表明，在沙河街組沉積末沙河街組三段就進入晚成巖階段a _ 1期，油氣藏開始形成；在東營組沉積時期晚第三紀，沙河街組大部分地層處于晚成巖階段a _ 1 a _ 2期，生、儲、蓋層發育，是其主要成藏期；現今在歧北凹陷北部沙三段下部進入晚成巖階段b c期，儲層物性較差、不利於成藏，其他層段仍處于晚成巖階段a _ 1 a _ 2期，有利於油氣藏的形成。
  11. 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。
  12. Guided by luo yang refractory research in - stitute, we developed alumina - magnesia spinel car - bon bricks. this product possesses such anvantages as high load softening point, low porosity, slag - resis - tance and erosion - resistance, when used in the working linings of lable, its effect is evidently raised, so it is very popular inmetallurgicol enterprises

    我廠在洛陽耐火材料研究院指導下，研製出鋁鎂尖晶石碳磚，具有荷重軟化點高，氣孔率低，抗渣，抗浸蝕性能好等優點，用於鋼包工作襯，效果明顯提高，是目前鋼包用較為理想的產品，深受冶金企業歡迎。
  13. Great burial - depth, low porosity, and strong heterogeneity are the basic characteristics of the ordovician carbonate reservoir in lunnan area of tarim basin

    超埋深、低基質孔和極強的非均質性是塔里木盆地輪南奧陶系碳酸鹽巖儲層的基本特點。
  14. The coatings deposited with a new subsonic flame spraying possess high bonding strength, low porosity and is low costly, at the same time, it is applied to the worksite of boiler tubes specially. the coatings applied to water wall tubes were deposited by subsonic flame spraying in this study

    本課題採用了一種新型亞音速火焰噴塗技術制備鍋爐水冷壁管道塗層，其塗層不僅結合強度高、孔隙率較低，而且塗層制備的成本低，特別適用於鍋爐水冷壁管的現場噴塗。
  15. Aiming at some reservoir characteristics of low porosity, extra - low permeability, low oil saturation, and low productivity as well as shallow depth in changxi area of ansai oilfield, through a large number of laboratory experiments and field tests, some suitable fracturing technology and operation parameters have been optimized, including low temperature fracturing fluids., propping fracture radius 、 pre - liquid and sand - fluid ratio

    摘要針對安塞油田長西區低孔隙度、特低滲透率、低含油飽和度和淺層低產的油藏特性，通過大量室內、現場試驗研究，優選出適合的壓裂施工參數，包括低溫壓裂液、裂縫支撐半徑、前置液和砂液比。
  16. Chang 4 + 52chang 62 pay zones in yanchang formation of the upper triassic in northern pingqiao of ordos basin are of low porosity and very low permeability and low oil saturation. so it is an urgent need to find out the main factors affecting the reservoir physical properties and more favorable reservoir belt

    鄂爾多斯盆地坪橋北區上三疊統延長組長4 + 5 _ 2長6 _ 2油層屬低孔特低滲低含油飽和度油層，找出影響本區儲層物性的主要因素，為預測有利儲集帶則成為該區迫切需要解決的問題。
  17. Pressure inside each cell increases to as much as 20 to 25 atmospheres as the steam and carbon dioxide try to escape but are sealed in by the thick, low - porosity cell walls and a coating of oil

    當水蒸氣及二氧化碳試圖從厚實少孔的細胞壁與一層油脂中脫身時，每個細胞里的壓力可增至20 ~ 25個大氣壓那麼高。
  18. 3, when 3vol % n - sic particle were added, the composite coating is quite dense, with low porosity, and the hardness was greatly increased, exhibiting relatively higher wear resistance than other composite coating with other n - sic particle contents

    當n - sic粒子含量為3vol時，復合塗層結構緻密，氣孔率低，塗層硬度有較大提高，並且摩擦磨損性能優于其它n - sic粒子含量復相塗層。
  19. 3. according to the core pvt analysis and mercury intrusive analysis, formation properties of dujiatai formation of this area is not good, belonging to low porosity, very low permeability formation. porosity ranges from 9. 2 - 16. 5 %, average porosity 12. 8 %, permeability generally ranged from 1 to 278md

    3 .依據巖心物性分析、壓汞等分析化驗資料等對儲層物性特徵進行了詳細研究，結果表明該區杜家臺油層物性較差，屬于低孔特低滲儲層，孔隙度一般為9 . 2一16 . 5 % ，平均孔隙度為12 . 8 % ，滲透率一般為1 ~ 278md 。
  20. The fractal characteristics of the pore texture in low porosity and low permeability reservoir

    低孔低滲儲層孔隙結構分形特徵
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