reduction gas 中文意思是什麼

reduction gas 解釋
還原氣體
  • reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  1. Cause analysis of gas concentration reduction in face air current during reversal mine ventilation

    礦井反風時工作面風流中瓦斯濃度降低的原因分析
  2. The argos regulator is an extremely versatile flow control device for gas applications where pressure reduction is required excellent in performance and easy maintenance are beneficial

    Argos減壓閥是一非常多用途的流量控制裝置，對瓦斯氣體要求精確減壓控制與維護簡單的使用尤其具效益。
  3. The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology

    本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。
  4. Does the amount of greenhouse gas reduction can survey

    項目溫室氣體減排量可測嗎？
  5. Tips to save our world climate change greenhouse gas reduction

    環保生活錦囊氣候轉變減少溫室氣體
  6. Specifically for the iron and steel industry during the past 15 years, thermo electron has installed over 100 mass spectrometers for gas analysis applications involving the following plants : coke ovens, blast furnace ( bf ), direct reduction iron ( dri ), basic oxygen furnace ( bof ), electric arc furnace ( eaf ), argon oxygen decarburization ( aod ) furnace, vacuum oxygen decarburization vod furnace and ruhrstahl - hausen ( rh ) furnace

    尤其在過去15年的鋼鐵行業中，超過100臺過程質譜儀用於氣體分析，包含：焦爐，高爐，直接還原煉鐵爐，氧氣頂吹轉爐，電弧爐，氬氧脫碳轉爐，真空氧氣脫碳爐和循環法真空脫碳爐。
  7. It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory

    本文提出了底排燃氣壓力不隨外部壓力變化，既可改善底部彈射擊精度又可提高減阻效果的二次擴張原理，建立了底排燃氣二次擴張壓力的計算模型，並通過採用二次擴張原理的新型底排裝置與傳統底排裝置的對比試驗，驗證了新型底排裝置結構實現的可行性；完成了基於底排燃氣二次擴張高效增程原理的底排?火箭復合高效增程彈方案設計及其有關計算，從理論上驗證了其工程應用的可行性和實際價值。
  8. The compostion and principles of gas analysis in converter dynamic control are introduced with results in application at masteel for lime consumption and splashing reduction and end point control

    從石灰消耗、減少噴濺、終點碳和溫度控制等方面分析了該技術在馬鋼第一鋼軋總廠轉爐的使用效果。
  9. The best reductive effectiveness under different gas channel width, marangoni number and aspect ratio have been represented. it should be emphasized that the mc reduction of 99 % can be realized in some situations

    流道寬度對熔體熱毛細對流的抑制有很大的影響，流道越窄，熔體熱毛細對流的抑制效果也越好。
  10. Terratec decided in favor of a gas heating system condensing boiler technology which represents the state of the art, especially with regard to the reduction of emissions

    Terratec決定採用天然氣熱系統濃縮鍋爐技術，這種環保技術有助於減少污染散射。
  11. Thereby this paper puts forward four ways to reduce no, emissions : reduction of the highest combustion temperature, fuel emulsification, exhaust gas recirculation and selective catalytic reduction. according to the marpol convention, no, emissions are defined as per engine power of nox mass flow rate

    Marpol公約附則規定的no _ x的排放標準為柴油機單位制動功率排氣中no _ x的質量流量（單位： g kw ? h ） ，因此要想對被測試的柴油機的no _ x排放進行判定，必須得到排氣中no _ x的質量流量和柴油機的制動功率。
  12. The hydrogen permeation reduction factor ( prf ) evaluated in gas phase is 620 ~ 263 and in liquid pb - 17li phase is 45 ~ 30

    結果表明，實驗所得到的氫滲透率減低因子（ prf ）為：在氣相中， 620 263 ；在液態鉛鋰合金相中， 45 30 。
  13. These achievements have provided scientific directions and references for the promotion of offshore fishing and oil and gas exploitation, protection of the marine environment, and reduction and prevention of marine disasters

    近年來，中國在物理海洋學、生物海洋學、海洋地質學、海洋化學等學科取得了顯著進展，為海洋漁業發展、海洋油氣資源開發、海洋環境保護和海洋防災減災等，提供了科學指導和依據。
  14. The scarcity of suitable coke for use in the blast furnace and the cheapness of natural gas or other fuels can favour the adoption of the direct reduction process for iron production in certain parts of the world and approximately one hundred direct reduction steel plants have been built over the last forty years

    用於高爐中的焦炭的稀缺和天燃氣及其他燃料低廉的價格使得許多煉鐵廠採用直接還原法，在過去的四十多年裡有近百家煉鐵廠採用此方法。
  15. In some direct reduction plants, higher hydrocarbons or even oil or coal are used instead of natural gas, but the principles are the same

    一些直接還原鋼鐵廠採用高烴甚至油或煤代替天燃氣，基本原理都是相同的。
  16. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿體流速和漿體濃度下向輸送管道中加入一定量的氣體，在管道中形成三相流，進而探討加氣后管道流動的變化規律，同時確定出比較有效的加氣方案，從而實現減少阻力延長排距的目的。
  17. Experimental investigation of noise reduction on torpedo model by using the gas bubble screen technique

    魚雷氣幕屏蔽及模型降噪試驗研究
  18. Leaders at the asia - pacific economic cooperation meeting in sydney considers an aspirational climate change target of a 25 % reduction in greenhouse gas emissions by 2030

    亞太經合會各國領袖于雪梨召開的會議中考慮商定於西元2030年之前達到減少25 %的溫室氣體排放量的理想氣候改變目標。
  19. Direct separation of co _ ( 2 ) from flue gas will lead to a reduction of power generation efficiency and an increase of power generation cost. the content of co _ ( 2 ) in flue gas is only about 3 - 15 %, which will lead to complicated separation process and high cost. this is because co _ ( 2 ) separation is very difficult from common flue gas, which has low co _ ( 2 ) concentration and high n _ ( 2 ) concentration at normal pressure

    從鍋爐排煙中分離co _ 2將在一定程度上使電站效率降低，發電成本增加，其主要原因是燃煤電站鍋爐排煙中co _ 2濃度一般僅為3 15 ，在較低的壓力下從以氮氣為主要成分的混合氣體中分離較低濃度的co _ 2氣體的難度很大，從而導致分離設備復雜，成本較高。
  20. The integrated system of smelting reduction ironmaking - gasolinesynthesis - electric - ity generation, in which the coal gas produced inthe ironmaking module is first cleaned and then used as the fuel for theelectricity generation module or raw material of the gasoline synthesismodule, can resolve the problem of utilization of tail gas in thesmelting reduction ironmaking and the large investment of gasificationin the integrated gasification combined cycle and gasoline synthesis. taking efficiency, scale and product structure into consideration, the processes of the two - stage smelting reduction ironmaking - combined cycleelectricity generation with coal gas, the two - stage smeltingreduction ironmaking - steam cycle electricity generation with coal gas, the one - stage smelting reduction ironmaking - combined cycleelectricity generation with coal gas, and the one - stagesmelting reduction ironmaking - gasoline synthesis with coal gas - steamcycle electricity generation with tail gas are techno - economicallyfeasible and have the promise of being industrialized

    將熔態還原煉鐵產生的煤氣在凈化后發電或經改質后合成汽油的集成系統可以解決熔態還原煉鐵的尾氣利用問題及聯合循環發電和煤基汽油合成造氣投資成本高的問題.從效率、規模和產品結構各方面考慮，過程模擬結果顯示:二段法熔態還原煉鐵-煤氣聯合循環發電、二段法熔態還原煉鐵-煤氣蒸汽發電、一段法熔態還原煉鐵-煤氣聯合循環發電、一段法熔態還原煉鐵-煤氣合成汽油-尾氣蒸汽發電流程，有實現產業化的可能
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