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当量比     
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  equivalence ratio
     Under the condit ions of the experimental system, there is minimum critical initiation energy f or propylene epoxide air at equivalence ratio of 1.05, the hexane air at eq uivalence ratio of 1.12, and the decane air at equivalence ratio of 1.15 respe ctively.
     实验发现,当PO 空气混合物、正己烷 空气混合物及癸烷 空气混合物的当量比分别为1.05、1.12及1.15时,其临界起爆能均最小;
短句来源
     The stable burning can be observed when the premixed gas velocity changed from 0.57m/s to 18.4m/s in suitable hydrogen-air equivalence ratio.
     在适当的氢气/空气当量比下,混合气流速从0.57m/s到18.4m/s部可以在管道中维持长时间稳定燃烧。
短句来源
     Experimental Investigations of the Effect of Equivalence Ratio on Detonation Characteristic Parameters of Pulse Detonation Rocket Engines
     当量比对脉冲爆震火箭发动机爆震特性影响的实验研究
短句来源
     The results show that there are a minimum of the critical initiation energy for a at the equivalence ratio 1.05,1.12,1.15,1.17 for the PO air, C 6H 14 air, C 10 H 22 air and C 5H 8.68 air respectively.
     癸烷 -空气混合物当量比为 1.15时 ,其临界起爆能值最小 ; 工业燃料C5H8.68-空气混合物当量比为 1.17时 ,其临界起爆能值最小。
短句来源
     The critical energy as the equivalence ratio (j)=2 was much more than that as =1. This result was consistent with the experimental one in gas detonation.
     当量比φ=2时所需的点火能量比φ=1时所需的点火能量大得多。 这一点,两相爆轰与气体中的爆轰点火能量的实验结果是一致的。
短句来源
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  equivalent ratio
     The optimal technological parameters were: content of Mg~(2+) in raw material 2.5 mol/L, reaction temperature 50 ℃, equivalent ratio 115%, mol-ratio 1.35, aminated pH 7.87.9, calcination temperature 800 ℃, calcination time 60 min, rising speed of temperature 6 ℃/min.
     最佳工艺参数为:原料Mg2+浓度2.5mol/L、反应温度50℃、当量比115%、摩尔比1.35、预氨化pH值7.8~7.9、煅烧温度800℃、煅烧时间60min、升温速度6℃/min。
短句来源
     Land Equivalent Ratio (LER) of spring barley/ spring maize intercropping and spring wheat/ spring maize intercropping were 0.99-1.32 and 1.08-1.41 based on grain yield, and 0.98-1.31 and 1.06-1.42 based on biomass, respectively.
     在大麦/玉米和小麦/玉米间套作生态系统中,以籽粒产量计算的土地当量比(LER)分别为0.99-1.32和1.08-1.41; 以生物学产量计算的土地当量比分别为0.98-1.31和1.06-1.42。
短句来源
     Land equivalent ratio (LER) were 1.29 and 1.33 of non-irrigating and irrigating 60 mm respectively, WUE of intercropping increased 24.86 % and 19.24 % compared with maize monoculture, and increased 14.58 % and 37.25 % compared with pea monoculture.
     不灌水和灌水60mm处理的土地当量比(LER)分别为1.29和1.33,群体水分利用效率不灌水和灌水60mm处理比玉米单作分别提高了24.86%和19.24%,比豌豆单作分别提高了14.58%和37.25%。
短句来源
     Without after-treatment, higher HC and CO emission level occur for HCCI fuel with ethanol and the highest HC (30g/kWh) and CO (300g/kWh) under lean mixture with equivalent ratio 0.11. Compared to EGR rate, the equivalent ration has more effect on HC and CO emission level.
     在没有后处理器时,乙醇HCCI燃烧产生较高的HC和CO排放,最高HC(30g/kWh)和CO(300g/kWh左右)排放都出现在当量比为0.11的稀混合气条件下,与EGR率相比当量比对HC和CO排放的影响更为明显。
     【Conclusion】It was found that the land equivalent ratio of sequential cropping,intercropping,and crop rotation is 1.68,1.38 and 1.21.Compared with single cropping,the land use efficiency under different cropping patterns is increased by 68%,38% and 21%,respectively.
     结论复种套作、间混作及轮作的土地当量比分别为1.68、1.38和1.21,三种不同的种植方式土地利用效率较单作分别提高68%、38%和21%。
短句来源
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  equivalence ratios
     Engine speeds of 1000 and 1500r/min and the load range corresponding to equivalence ratios ranging from0.32 to 0.94 were explored.
     发动机转速为1000和1500r/min,负荷范围对应当量比0.32到0.94。
短句来源
     Computations and analysis for N chemistry indicate that NO x can be composed of different N containing species at different equivalence ratios,and adjustment for rate coefficient of CH+N 2=HCN+N has influence on formation concentration of NO x.
     对 N化学反应的计算分析表明 ,在不同当量比条件下 ,NOx 可由不同含 N物质所组成 ,调整 CH+N2 =HCN+N的速率常数可改变 NOx 的生成浓度。
短句来源
     The results showed the reduced model could simulate the cool-flame and hot-flame combustion process of n-heptane in HCCI engines, and that the reduced model generally agreed well with those of the detailed model(544 species and 2446 reactions) within the range of equivalence ratios from 0.2-1.2, temperature from 300-3000 K.
     计算表明,新模型能够在当量比0.2-1.2,温度从300-3000 K的范围内精确模拟正庚烷HCCI燃烧时冷焰和热焰反应过程,与详细模型(544种组分和2446个反应)计算结果吻合较好。
短句来源
     The direct initiation of detonation in a pr op ylene epoxide spray in air, a hexane spray in air and a decane spray in air has been studied respectively using a vertical shock tube with a diameter of 240mm. The critical energy for the direct initiation of detonation has been measured fo r the three fuel air mixtures at different equivalence ratios.
     在直径240mm的立式激波管中环氧丙烷(PO)、正己烷、癸烷分别与空气混合进行了直接起爆,测定了不同燃料、不同当量比的云雾直接引爆的临界起爆能。
短句来源
     Supersonic combustion tests under the similar stagnation conditions and kerosene equivalence ratios demonstrated that the combustion efficiency when using supercritical kerosene injection increased approximately 10%~20% over that using liquid kerosene injection,while it was comparable to that using effervescent atomization.
     超声速燃烧试验表明,在相同的来流和燃料当量比条件下,超临界煤油的燃烧效率比室温煤油提高10%~15%,与氢气泡雾化的燃烧效率相当。
短句来源
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  stoichiometric ratio
     Stoichiometric ratio of fuel-air mixture is 0.4. Constant wall temperature has adopted as a boundary condition.
     燃料-空气混合物的当量比为0.4,反应器壁面采用等温边界条件。
短句来源
     Stoichiometric ratio of fuel-air mixture is 0.4. Convection heat exchange has adopted as a boundary condition of external surface.
     燃料-空气混合物的当量比为0.4,燃烧器外壁面与环境采用对流换热边界条件。
短句来源
     Vented explosion tests in a 0.00814m3 steel cylindrical vessel connected to a duct, filled with stoichiometric ratio of CH4-Air, have been performed with central ignition in the end plane and the failure pressure 230±15kPa.
     在容积为0.00814m3的柱形泄爆容器中,对泄爆现象进行实验研究. 容器内充满当量比为1的甲烷-空气预混气,采用底端中心点火,泄爆压力为230±15kPa.
短句来源
     EFFECT OF STOICHIOMETRIC RATIO OF AMINE/EPOXIDE ON PROPERTIES OF CURED EPOXY RESINS
     胺/环氧当量比对固化环氧树脂性能的影响
短句来源
     A series vented explosion experiments in a 0.00814m~3 cylindrical vented vessel with central bottom ignition, were performed. The effects of different failure pressure, different vent area and different stoichiometric ratio of methane/air mixture on venting were investigated.
     在不同泄爆压力、不同泄爆面积和不同当量比的甲烷/空气预混气的实验条件下,采用容积为0.00814m3带导管的柱形泄爆容器和底端中心点火方式,进行了一系列泄爆实验。
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  equivalence ratio
Ignition delay time behind a reflected shock wave is measured for a lean propane-air mixture with an equivalence ratio of ? = 0.5 in wide temperature and pressure ranges (T = 880-1500 K, P = 2-500 atm).
      
Both experiment and numerical simulation were made at inlet temperature of 553 K, inlet velocity of 3 to 7 m/s and equivalence ratio of 0.3 to 0.5.
      
The combustion timing advances with the increase of DTBP concentrations, coolant temperature and equivalence ratio.
      
The chemical form of the nitrogen affixed to the PP surface is strongly dependent on the flame equivalence ratio.
      
With both models, the dependence of the results on the stoichiometric coefficient and the equivalence ratio can be expressed in an explicit manner.
      
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  equivalent ratio
The nuclease activity was either suppressed or stimulated in the presence of PCMB depending on the C7H5O2Hg+ to nucleotide equivalent ratio.
      
When Cu(II) bis(isobutyl) dithiocarbamate was used in an equivalent ratio with an initiator, the polymerization of MMA proceeded as a well-controlled process and yielded a monodisperse polymer.
      
When Cu(II) bis(isobutyl) dithiocarbamate was used in an equivalent ratio with an initiator, the polymerization of MMA proceeded as a well-controlled process and yielded a monodisperse polymer.
      
A model approach to inflation is generated through a newIS-LM analogous synthesis of money, output and prices incorporating several capacity equivalent ratio variables of the product, the factor and the money markets.
      
The high contribution of (Ca+Mg) to the total cations, high concentration of dissolved silica, relatively high (Na+K)/TZ+ ratio (0.3) and low equivalent ratio of (Ca+Mg)/(Na+K) suggests combined influence of carbonate and silicate weathering.
      
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