孔隙率降低 的英文怎麼說

中文拼音 [kǒngxìlǜjiàngdī]
孔隙率降低 英文
reduction of porosity
  • 隙 : 名詞1 （縫隙; 裂縫） crack; chink; crevice 2 （空閑） gap; interval 3 （漏洞; 機會） loophole; op...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 孔隙率 : absolute porosity
  • 降低 : reduce; cut down; abate; debase; drop; lower; lessening; reducing; reduction; depression; tarnish
  1. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中，在水化硬化過程中生成一定量的微膨脹結晶體，降低空隙率，改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下，使混凝土產生0
  2. The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved

    結果表明， hp對水泥砂漿和混凝土有顯著的增韌、增強作用，且隨著hp摻量的增加抗壓強度提高的幅度增大，抗折強度提高的幅度降低； hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態，在混凝土或砂漿中形成了水化產物與hp膜交織的空間網狀結構，使漿體緻密，減小孔隙率，從而影響其整體性能。
  3. Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light

    和對照的全光照處理相比，遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導度、水分利用率和光飽和點，細胞間隙co _ 2濃度在遮蔭條件下顯著上升。
  4. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  5. The experiments show that the main origins of causing the oil and water zones complicated in the study area on the one hand is pore structure, fine particle size and shale content high, resulting in saturation of irreducible water of the reservoirs varying greatly, on the other hand is mud invasion influence, resulting in the reservoir receptivity decreasing, and the third is the thin bed is restricted by logging resolution, resulting in measure value influenced by the bed thickness

    研究得出，研究區復雜油水層主要成因一是儲層孔隙結構復雜，巖性細，泥質含量高，導致儲層束縛水飽和度變化大；二是泥漿侵入影響，導致油層電阻率降低；三是薄層受測井分辨能力的限制，其測量值受層厚影響。
  6. The results show that mild melt treatment can improve the bonding strength of coating, but too high temperature and too long retaining time is not suitable ; higher temperature and longer time will result in tin beads separated out from coating surface, affecting surface quality ; melt treatment can reduce the porosity of tin coating, but over 200, the porosity will increase with the rising of temperature

    結果表明：軟熔處理會改善鍍層結合力，但溫度和時間不宜過高、過長；軟熔處理的溫度過高和時間過長，表面會析出錫珠，影響表面質量；軟熔處理會降低鍍層的孔隙率，但溫度高於200 ，則孔隙率會隨著溫度的升高而增加。
  7. As a kind of scaffold material for tissue engineering cornea, collagen is too soft to support cells in stromal layer, and its biodegrading is too fast. in this study, porous collagen sponge were crosslinked using dehydrothermal ( dht ) treatment and / or l - ethyl - 3 - ( 3 - dimethyl aminopropyl ) carbodiimide ( edc )

    通過掃描電鏡觀察、孔隙率測定、力學性能測試以及吸液性測試，對材料進行了表徵，結果表明膠原材料在交聯后均能保持其三維多孔結構，並具備了良好的機械性能，親水性也得到降低。
  8. The content of chlorophyll ( chlorophyll a and chlorophyll b ), photosynthesis rate, transpiration rate, intercellular co2 concentrations, and stomatal conductance was all reduced under water stress at different development stages

    不同生育時期水分脅迫下使葉綠素含量、光合速率、蒸騰速率、細胞間隙co2濃度、氣孔導度都有不同程度降低。
  9. The laws between the composition, structure, quality of materials of lc - hpc is studied by means of sem, mip, and so on testing measures. the reaction of hydration and filling effect of mineral admixture not only reduces the proportion of pore of structure and sizes and odds directional crystal of the unfavorable crystal phases such as ch but also leads to the mining of pore size, so it the effect improves the weak structure of interface transition area

    應用sem 、 mip等測試手段，研究lc - hpc組分、結構與性能之間的影響規律，礦物摻合料的活性、填充等效應，降低了混凝土結構孔隙率，細化了孔徑，減小了ch晶粒尺寸及定向結晶幾率，從而改善界面薄弱過渡區結構。
  10. The study shows that rock stress sensitivity has the following characteristics : rock property has little sensitivity to stress, of which porosity has the least, permeability less, and compression coefficient most ; the rock property decreases with formation pressure decrease ; in the same formation pressure drop, decrease amplitude of the rock property is not a continuous function of permeability but related to distribution scope of permeability

    研究得出，巖石的應力敏感性特徵主要有：巖石物性對應力的敏感性總體上不大，其中以孔隙度最小，滲透率次之，壓縮系數最大；巖石物性隨地層壓力的下降而下降；在同一地層壓降下，巖石物性下降幅度不是滲透率的連續函數，而是與滲透率分佈范圍有關，高滲透率范圍，巖石物性下降幅度小，低滲透率范圍，巖石物性下降幅度大。
  11. Research development of the way to decrease thermal spraying coating porosity

    降低塗層孔隙率的研究進展
  12. Moreover, the falling rate of its microhardness is minished. molybdenum wire doped with la2o3 is better at enhancing mechanic properties and microstructure than molybdenum wire doped with y2o3. furthermore, la2o3 particles are easier to diffuse to the grains boundary than y2o3 particles under high temperature

    此外，本實驗還發現，摻雜la2o3比摻雜y2o3更有利於提高鉬絲高溫下的力學性能，改善鉬的燒結態形貌，降低其孔隙率，減小其晶粒尺寸，且la2o3顆粒比y2o3的顆粒更容易在高溫下擴散到晶界上去。
  13. The result indicates, due to the increment of porosity and strength, and the enlargement of pore diameter and the decrement of the resistance of zn electrode made by casting, the usage factor of the active material of zn electrode and the capacity in factor of the zn electrode were increased

    指出：由於採用鑄造法可提高電極的孔隙率、強度、增大電極的孔徑、降低電極的內阻，從而使得電極的活性物質利用率，電極的實際比容量得以極大的提高。
  14. Along with the increase of deepness, to porosity and permeability, mudstone reduce much more than sandstone

    隨深度的增加，泥巖孔隙度和滲透率降低的幅度比砂巖大。
  15. The paper designs a set of technics flow of producing recycled aggregates and uses scrap concrete in wuchang vehicle factory to manufacture some recycled aggregates, and researches the basic properties of recycled aggregates such as apparent density, absorption, crush index, compacted density, porosity, etc. and analyses the properties change of recycled aggregates after the respective surface treatment with the polymer and polysilicone waterproofing agents, and then obtains the result that their absorption decreases and their properties improves after recycled aggregates are surface treated

    本文設計了一套生產再生骨料的處理工藝流程，並利用武昌車輛廠的廢棄混凝土製備了一定量的再生骨料。對再生骨料的表觀密度、吸水率、壓碎指標、容重和孔隙率等基本性能進行了研究，分析了分別採用聚合物和有機硅防水劑進行表面處理后的再生骨料的性能變化。從而得出經過表面處理后再生骨料的吸水率有所降低，性能有所改善。
  16. The conclusion shows the method fits and the mineral admixture can reduce the pore porosity of concrete and improve the compactibility and freezing resistance of concrete

    結論對于混凝土冬季施工更合適未用自然變低溫養護的方法，摻入適量的摻合料能使混凝土孔隙率顯著降低，使混凝土更加密實，提高混凝土的抗凍性。
  17. 4 : photosynthetic characters : the pn, gs and transpiration rate both in control and in the transgenic seedling increased during the growth, and the ci decreased, but the change scope in transgenic seedling is more great than in control

    對照的凈光合速率、蒸騰速率、氣孔導度後期比前期略有上升，但均低於轉基因苗，山東師范大學碩士研究生學位論文其細胞間隙coz濃度下降。
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