fly ash 中文意思是什麼

fly ash 解釋
飛灰，煤灰〈尤指污染空氣者〉。

  • fly : vi （flew flown ）1 飛 （about away forth off out） 飛行；駕駛飛機，坐飛機旅行。2 飛跑；（時間等...
  • ash : n 1 〈常 pl 〉 灰。2 〈pl 〉灰燼；廢墟。3 〈pl 〉骨灰，遺骨；〈詩〉遺骸。4 灰色，蒼白。5 碳酸鈉 ...
  1. Electroplating waste water treatment technology by fly ash and active carbon

    粉煤灰活性炭處理含鉻電鍍廢水
  2. At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat

    同時通過提高開挖表面質量，以及調整粉煤灰摻量以降低水化熱溫升等措施，有效地解決了混凝土裂縫問題。
  3. The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    試驗結果表明：粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能；粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善；大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  4. Saponification slag - fly ash can be used in the high fill sections of highway

    皂化渣粉煤灰可以用做橋頭等高填土路段的回填材料。
  5. Thus, measuring carbon content of fly ash can help to know boiler burning state

    因此，檢測燃煤鍋爐的飛灰含碳量可以直接了解鍋爐的燃燒狀態。
  6. The beginning experiment shows : after disposed by this installation, the doffmg - charcoal rate of original fly ash can achieve 29 %

    初步試驗結果表明，原狀粉煤灰經本試驗裝置脫炭處理后，脫炭率達到29 ，具有一定的脫炭效果。
  7. The ratio of strength to cost is introduced to discuss the problem in which whether high volume fly ash can reduce the cost of concrete

    針對摻用大量粉煤灰是否可以降低混凝土成本的問題，本文引入強度成本這個指標作了一些探討。
  8. The excellent quality of coating film based on waterproof two - component polyurethane coating filled with fly ash can be gained when the fineness of fly ash is 300 meshes

    當粉煤灰的細度為300目時能得到性能優良的雙組分聚氨酯防水塗料。
  9. On the basis of ways of six ingredients, fly ash can be put into high strength and high performance concrete whose reliability of strength is very high

    採用六組分路線配製粉煤灰高強高性能混凝土，揭示了其應用到高強高性能混凝土中的具有較高的可靠性。
  10. The separate addition of micro - silica, ultra - fined slag, high quality fly ash can improve the cement concrete ' s anti - chloride permeability. the result is micro - silica grater than slag grater than fly ash, and the greater the amount that added the greater the improvement is

    5 x而水化產物對氯離于的固化主要為水化氯鋁酸鈣（ friedel鹽）生成及c s h凝膠體的層間物理化學吸附作用。
  11. The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low

    對高貝利特水泥高性能混凝土工作性能的研究結果表明，高貝利特水泥與高效減水劑具有良好的適應性，表現為初始流動度較大，經時損失較小，具有明顯的飽和點且飽和點摻量較小；此外，優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能；更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性，這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。
  12. The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %

    試驗結果表明： （ 1 ）粉煤灰摻量小於30 %時能提高碾壓混凝土強度但影響度不大； （ 2 ）隨著粉煤灰摻量的增加，碾壓混凝土的干縮呈直線降低，且抗磨性和抗凍融能力明顯提高； （ 3 ）粉煤灰能有效提高碾壓混凝土的耐久性，且在試驗條件下的最佳摻量為30 % 。
  13. A study on the application of cemented backfill mining based on fly - ash and fine sand

    桃沖鐵礦提高井下采出品位的實踐
  14. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  15. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外的研究現狀作了回顧和總結，然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究，主要內容有： （ 1 ）將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體，研究它的應力應變關系，充分考慮它的各向異性，得到土工織物加筋粉煤灰復合體的本構模型，然後通過大量室內試驗進行分析驗證； （ 2 ）引入有關滲流理論，即柯茲尼-卡爾曼（ kozeny - carman ）經驗公式，將滲透系數引進到土體本構關系中。
  16. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。
  17. Effect of fly ash on the cracking resistance of concrete

    混凝土抗裂的粉煤灰效應
  18. Atmospheric air - test dust standard sample - fly ash

    大氣試驗粉塵標準樣品煤飛灰
  19. Properties on incipient velocity and consolidation of fly ash

    粉煤灰固結起動特性
  20. Development of glass ceramics with steel slag and fly ash

    鋼渣粉煤灰微晶玻璃的研製
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