ash concentration 中文意思是什麼

ash concentration 解釋
煙灰濃度
  • 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 ...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  2. The factors influencing on the performance of ash - jd such as the moore ratio of monomers, the reaction temperature and time, concentration, the ph value of reaction solution and the drippy speed of formaldehyde were studied carefully. through experiments, the optimum level of those factors was gained

    論文詳細研究了反應單體的摩爾比、反應溫度、時間、濃度、反應溶液的酸堿度及甲醛的滴加速度等對產品ash - jd性能的影響，通過試驗，得到了這些因素的最佳水平。
  3. Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting

    文摘:在濫木廠和楊家灣鉈（汞）礦床（點）對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件，在提出確定找礦有效指示植物三原則（確定性，敏感性，可行性）的基礎上，依據植物灰分與底質成礦元素相關系數、植物灰分富集系數和襯度系數，較全面地分析和評價了8種植物的找礦功能；討論了其異常的分佈與斷裂帶、蝕變帶、礦化帶以及工業礦化（礦體）之間的關系，並指出了其找礦意義。
  4. By acquiring these parameters, the paper can compute the concentration of fly ash which provided the theoretical basis of the measuring system

    從而為系統測量飛灰含碳量提供了理論支撐。論文完成了測量系統的安裝和標定工作。
  5. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮水灰比和混凝土配合比（摻入不同量的粉煤灰和礦渣）變化對混凝土抵抗氯離子侵蝕能力的影響，同時考慮溫度、相對濕度和表面氯離子濃度累積變化等環境因素對氯離子侵入混凝土過程的影響，以及氯離子擴散系數隨時間的變化。
  6. In this paper, through the cfd modeling of the ash - agglomerated fluidized bed gasifier, the gas molar concentration distributions in the bed with the influences of the oxygen flow rate from the central nozzle, the steam flow rate from the distributor and the pressure of the bed are studied

    摘要通過cfd模擬了灰熔聚流化床氣化爐，考察了操作條件包括中心管氧氣量、分佈板水蒸氣量以及操作壓力對流化床氣化爐的氣相濃度分佈的影響。
  7. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  8. Abstract : by a large number of trial and related project experiences, the author can draw a conclusion that organic wastewater can gain better processing efficiency before it flows into the biological fluidized beds with lower sludge concentration by coal fly ash pretreatment and high efficiency jet aerator

    文摘:通過大量試驗和相關工程體會得出：有機廢水在進入較低污泥濃度的生物流化床之前，通過粉煤灰的預處理，再配以高效射流曝氣器，能有較好的處理效果。
  9. There will appear a very uneven flow field, and appear a very big velocity magnitude distribution and ash concentration distribution near back wall. thus, the velocity magnitude is far bigger than that of optimal design velocity magnitude, which will lead to serious wear and tear in metal face of heater. especially, because of curve structure in front of heat pipe air preheater, there is more serious wear and tear

    由於靠近豎井后墻面的煙氣流速很大，飛灰濃度也較大，斷面速度分佈的最大速度大於最佳設計速度的2 - 3倍，這樣將造成受熱面的嚴重磨損，特別是熱管空氣預熱器前端煙道的幾何結構有一定的轉角，更增加了磨損的程度。
  10. This paper also analyzes the ash wear mechanism, and then does the effects of low temperature economizer wear five factors : the first is the smoke corridor caused by wear mechanism, the second is the impact on the wall material, and the third is that of flying ash concentration, the fourth of the excess air ratio, and the fifth is the change in the composition of the gas to wear the impact

    分析了飛灰磨損的機理，然後分析了影響低溫省煤器磨損的5種因素，一是煙氣走廊引起磨損的機理；二是管壁材料的影響；三是飛灰濃度的影響；四是過量空氣系數的影響；五是煙氣成分的變化對磨損的影響。
  11. Abstract : controlling aar with high quality i grade fly ash has been researched. the result shows that the content is more important than the quality for the effect on controlling aar. the solubility of the fly ash contained alkali is inquired in differ alkali concentration solution. the mechanism of low content accelerating swell and yet high content controlling swell is discussed when controlling aar with the fly ash contained high alkali content

    文摘:研究優質級粉煤灰對堿骨料反應的抑制效果，結果表明，用粉煤灰抑制堿骨料反應，其摻量因素的影響大於品質因素的影響；探討了粉煤灰中的堿在不同濃度堿溶液中的溶出情況及用高堿含量粉煤灰抑制堿骨料反應時，低摻量促進膨脹，高摻量抑制膨脹的機理。
  12. Circulating water was used for washing ash - water in the thermal power plant of yizheng chemical fibre company, which led to a low concentration rate of 1. 6 as well as scale and corrosion problem of condenser copper pipes

    摘要儀化熱電廠將循環水用作沖灰水，導致濃縮倍率只有1 . 6以及凝汽器銅管腐蝕結垢嚴重。
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