freezing resistance 中文意思是什麼

freezing resistance 解釋
耐凍性
  • freezing : adj 1 凝凍的，極冷的。2 使人打冷顫的；極冷淡的。3 結冰的；冷凍用的。adv 冷凍一樣的。 be freezing ...
  • resistance : n. 1. 抵抗，反抗，抗拒，抵禦；敵對，抵抗力，反抗力，阻力，【生物學】抗病性。2. 【電學】電阻；阻抗；電阻器。
  1. The effects of cold acclimation on the freezing resistance and total soluble protein in populus tomentosa seedlings

    低溫鍛煉對毛白楊幼苗抗凍性和總可溶性蛋白質的影響
  2. Testing the frost resistance of facing bricks and clinker blocks ; freezing of single bricks on all sides

    飾面磚和礦渣混凝土砌塊的抗凍試驗.單塊磚的所有面的
  3. Testing the frost resistance of facing bricks and clinker blocks ; freezing of bricks arranged in test blocks

    飾面磚和礦渣混凝土砌塊的抗凍試驗.按檢驗批中排列磚
  4. The resistance of n / med tuberculosis bacili is stronger, ability catch a cold catch a cold is cold, although cold to freezing point, still cannot exterminate it, achieve liquid air even ( namely 0 celsius 189 degrees of ), in that way low temperature, it also ability suffers a few hours

    結核桿菌的反抗力是比較強的，能耐受嚴寒，即使冷到冰點，還不能殺滅它，甚至達到液體空氣（即零下攝氏度189度） ，那樣的低溫，它也能耐受幾小時。
  5. Study on freezing resistance of 5 citrus somatic hybrids

    5個柑桔體細胞雜種的抗寒性研究
  6. Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle

    分析了在純水和3 . 5 % nacl溶液中受凍后，水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律，試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著，而鹽凍情況下含氣量則是主要影響因素，說明引氣能顯著提高混凝土的抗鹽凍性能。
  7. Besides, 5 % methanol enhanced the resistance to freezing stress in the sensitive species, and this effect seems to be related to maintenance of the psi activity and energy transfer between pigment protein complexes by methanol

    值得注意的是5甲醇提高了非抗凍型品種synechocystissp . pcc6803的凍結耐性。其作用機制可能是在凍結脅迫下保持ps活性和色素蛋白復合體之間的能量傳遞。
  8. According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers

    按照相關標準，對產品進行了測試，所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑，性能價格比優于萘系高效減水劑。
  9. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  10. Test method for the determination of the frost resistance of fair faced clay - bricks and clincer - bricks - part 3 : one side freezing of test walls

    磨光蓋面粘土磚和熔渣磚的耐霜凍性測定的試驗方法.第
  11. Method of test for resistance of concrete to freezing and thawing

    混凝土耐凍結性和耐融化性的試驗方法
  12. Comparing with the reference concrete, the resistance of freezing - thawing cycles and chloride diffusivity in calcium - enriched fly ash concrete increase, because the pore structures and interface structure are optimized, so the durability of calcium - enriched fly ash concrete is perfect

    相對于基準混凝土，增鈣粉煤灰混凝土的抗凍性和抗氯離子滲透性能均有所提升，這主要是由於增鈣粉煤灰改善了混凝土的孔結構和界面結構，從而使其具有更為優異的耐久性。
  13. By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn

    按照相關標準進行測試，所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ，也優于萘系高效減水劑fdn 。
  14. Test for thermal and weathering properties of aggregates - part 1 : determination of resistance to freezing and thawing

    集料的熱性能和氣候老化性能試驗.第1部分:耐凍性和耐解凍性測定
  15. The study shows that the sealant has a good bonding effect on concrete with better properties of water proof, weather resistance, chemical resistance and anti - freezing

    研究結果表明，該密封膠對混凝土粘結性好，並具有優良的耐水、耐候、耐化學介質性及耐凍融性等特點。
  16. Research on freezing - resistance durability of air - entraining fly ash concrete

    引氣粉煤灰混凝土抗凍融耐久性的研究
  17. Several attempts have been made to utilize modern transgenic techniques to express afps genes in frost - susceptible animals and crops to increase their freezing tolerance, and it has been reported that some transgenic organisms do acquire increased cold - resistance. the giant freshwater pravm ( macrobrachium rosenbergii ) is of great economic value and cultured around the world. this prawn has been popular in chinese mainland due to its delicious taste and abundant nutrition since it was introduced here

    羅氏沼蝦（ giantfreshwaterprawn ， macrobrachiumrosenbergii是一具高蛋白、低脂肪、在全球范圍內都有養殖記錄的重要水產品種，深受人們喜愛，但由於屬熱帶、亞熱帶種類，對低溫的適應能力較差，低於14就會死亡，最低要18才能生長，其不耐低溫的特性大大增加了其養殖成本，嚴重阻礙了羅氏沼蝦養殖業的發展。
  18. In a word, based on plenty of experiment, the intensity, volume stability and freezing - resistance of this new kind of high performanced concrete have been completely analyzed

    總之在大量的實驗基礎上，對不同摻量的超細礦渣粉高性能混凝土的強度、體積穩定性、抗凍性等耐久性進行了全面的分析。
  19. The role of calcium and calmodulin in freezing - induced freezing resistance of populus tomentosa cuttings

    鈣調素在零下低溫誘導毛白楊扦插苗抗凍性中的作用
  20. 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。
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