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starting reaction temperature
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  开始反应温度
     The starting reaction temperature average of coke is 862 ℃ and the violent reaction temperature average is 1 266 ℃ in BF with smelting vanadic titanomagnetite.
     在钒钛磁铁矿冶炼条件下,高炉内焦炭的开始反应温度平均为862℃,焦炭剧烈反应温度平均为1 266℃;
短句来源
  “starting reaction temperature”译为未确定词的双语例句
     1. In the absence or presence of oxygen, C—NO reaction was catalyzed by CaO, and starting reaction temperature was decreased by 200 ℃ ~ 300 ℃, and NO_x destruction rate was enhanced.
     1.无氧和有氧条件下,CaO催化了C—NO反应,使该反应的起始反应温度降低了200℃~300℃,同时提高了NO_x的去除率。
短句来源
     4. The starting reaction temperature of coke—NO was lower than 300℃, and reactivity and selectivity were benefit from increasing of temperature, in our experiments, selectivity reached 102mg/g in 850℃.
     4.焦炭还原NO的起始反应温度低于300℃,且反应活性和反应选择性随着反应温度的升高而增加,实验条件下,850℃时的选择性达到102mg/g。
短句来源
     The reaction mechanism of forming Al-4.5Cu/TiB2 composite was studied and the starting reaction temperature among TiO2, H3BO3, Na3AIF6, Al-4.5Cu solution was calculated to be 950 t by means of thermodynamics for reaction synthesis of TiB2 particles. TiB2 particles should be formed when the mole ratio of [Ti] and [B] was equal to 1/2 in the melt.
     用冶金热力学理论计算出 TiO2-H3BO3-Na3AlF6-Al-4.5Cu体系的起始反应温度,为950℃,并根据溶液热力学分析了 TiB2颗粒形成的可能性当熔体中 [Ti]、[B]的摩尔比为1/2时.在熔体中形成TiB2颗粒;
短句来源
     Being with the increase of size of the Al powder and graphite powder, combustion temperature and igniting time kept the trend of fall, but the starting reaction temperature decreased at the beginning and mounted up subsequently reaching a minimum when powder size was between 320 mesh and 450 mesh. The graph of powder size-temperature showed the shape of "V";
     随着原料颗粒尺寸的增大,燃烧温度和点火时间基本上呈现降低的趋势,而起始温度先降后升,近似呈“V”形,当颗粒尺寸在320目—450目之间时,反应起始温度最低;
短句来源
     Two igniting modes, SHS mode and thermal- explosion mode, were used to trigger combustion reaction of Al-Ti-C system, the results showed that starting reaction temperature and combustion temperature in SHS mode was lower than those in thermal-explosion mode, however, in the latter the over-high combustion temperature and the products' longly stay in liquid resulted in the agglomeration and the melt of AbTi and TiC grain;
     采用热爆和自蔓延两种引燃方式来触发Al-Ti-C燃烧合成反应的发生,发现自蔓延模式下的起始反应温度和燃烧温度都要比热爆模式下的低,但由于热爆模式下峰值温度过高,液态停留时间相对较长,因而容易造Al_3Ti和TiC相颗粒的偏聚以及晶粒长大。
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  相似匹配句对
     Starting with B.B.O.
     本文从B.B.O.
短句来源
     The reaction mechanism was.
     探讨了该反应的反应机理,推导出4-OH-TMP催化氧化动力学方程。
短句来源
     The time of starting reaction is 24 to 24.5 hours of milling.
     在本实验条件下,反应的触发时间在球磨24小时到24.5小时之间。
短句来源
     On the Extent of Reaction
     化学反应进度
短句来源
     reaction temperature.
     反应温度。
短句来源
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  starting reaction temperature
Before reaction, the catalysts were pre-treated in He at 723 K for 1 h and cooled down in the same gas to the starting reaction temperature.
      


The reaction mechanism of forming Al-4.5Cu/TiB2 composite was studied and the starting reaction temperature among TiO2, H3BO3, Na3AIF6, Al-4.5Cu solution was calculated to be 950 t by means of thermodynamics for reaction synthesis of TiB2 particles. TiB2 particles should be formed when the mole ratio of [Ti] and [B] was equal to 1/2 in the melt. But another product was TiAl3 structure besides TiB2 particles when the mole ratio of [Ti] and [B] was over 1/2.

用冶金热力学理论计算出 TiO2-H3BO3-Na3AlF6-Al-4.5Cu体系的起始反应温度,为950℃,并根据溶液热力学分析了 TiB2颗粒形成的可能性当熔体中 [Ti]、[B]的摩尔比为1/2时.在熔体中形成TiB2颗粒;当熔体中[Ti]、[B]的摩尔比大于1/2时,熔体中除生成TiB2颗粒外,还形成 TiAl3组织

Some PU elastomers with the hard segment content of 30% by weight, were prepared based on polyether polyol, butanediol and toluene diisocyanate at different starting reaction temperatures, i.e. 20 ℃ (sample S-1), 40 ℃ (sample S-2), 60 ℃ (sample S-3) and 80 ℃ (sample S-4) respectively. Their morphology was observed by means of differential scanning calorimetry, Fourier transform infrared spectroscopy and transmission electron microscope. The results indicated that the degree of phase separation (DPS) of...

Some PU elastomers with the hard segment content of 30% by weight, were prepared based on polyether polyol, butanediol and toluene diisocyanate at different starting reaction temperatures, i.e. 20 ℃ (sample S-1), 40 ℃ (sample S-2), 60 ℃ (sample S-3) and 80 ℃ (sample S-4) respectively. Their morphology was observed by means of differential scanning calorimetry, Fourier transform infrared spectroscopy and transmission electron microscope. The results indicated that the degree of phase separation (DPS) of sample S-3 was the lowest, the DPS of sample S1 was the highest, and the DPS of sample S-2 and sample S-4 was between them. The reason of these different morphologies might be attributed to the different viscosity of raw materials and the different rates between the formation of the networks and the aggregation of hard segments to domains in the synthesis process of PU elastomers. The free volume existing in PU elastomers was measured by using positron annihilation spectroscope. It was indicated that there was a minimum size of free volume and a maximum relative free volume concentration for sample S-3, but the lowest relative free volume fraction for S-3 was found. The electrical resistivity of PU elastormers was also studied, sample S-3 had the highest electrical resistivity. So the morphology and the free volume of PU should have some relation with their electrical insulating properties.

以聚醚多元醇、丁二醇和甲苯二异氰酸酯为原料 ,在不同起始反应温度下 (不用催化剂 )合成了一系列硬段含量为 30 %的聚氨酯弹性体 (PU) ,它们的起始反应温度分别为 2 0℃ (S -1 )、40℃ (S -2 )、6 0℃ (S -3)和 80℃ (S -4 )。用示差扫描量热分析、傅立叶变换红外光谱和透射电镜研究了它们的形态结构。研究结果发现 :随着初始反应温度的升高 ,试样S -1的相分离程度较大 ,S -2次之 ,S -3的相分离程度较小 ,但S-4的相分离程度又有升高的趋势 ,这可能是在合成过程中物料粘度以及网络结构的形成与硬段聚集成微区的速度不同所造成。用正电子湮没寿命谱研究了PU的自由体积特性 ,发现S -3的自由体积孔穴最小 ,相对自由体积浓度最高 ,但相对自由体积分数最低。进一步研究表明 ,S -3的电阻率也最高。由此可见 ,PU的形态结构与自由体积特性和材料的电性能密切相关。

A series of study was took out with charging coke and tuyere coke,such as thermal effect active,coal solution loss,mineral(TiO_2,Alkali metal) and slag-iron attack,so the solution loss of coke in BF with high Ti type vanadic titanomagnetite was understood.The results show that the CRI increases and the thermal stength of coke decreases with the alkali load of burden rising.The starting reaction temperature average of coke is 862 ℃ and the violent reaction temperature average is 1 266 ℃ in BF...

A series of study was took out with charging coke and tuyere coke,such as thermal effect active,coal solution loss,mineral(TiO_2,Alkali metal) and slag-iron attack,so the solution loss of coke in BF with high Ti type vanadic titanomagnetite was understood.The results show that the CRI increases and the thermal stength of coke decreases with the alkali load of burden rising.The starting reaction temperature average of coke is 862 ℃ and the violent reaction temperature average is 1 266 ℃ in BF with smelting vanadic titanomagnetite.The gasificating reaction of the coke is the main solution loss reaction,and the TiO_2 in slag-iron protects the coke against solution loss.

对取自现场的入炉焦和风口焦进行了受热力作用、碳素溶损、矿物质侵入(TiO2、碱金属)、渣铁侵蚀等方面的研究,基本弄清了在高钛型钒钛磁铁矿冶炼条件下,焦炭在高炉内的蚀损情况。研究结果表明:随着炉料中碱负荷的增加,焦炭的反应性升高、反应后强度降低;在钒钛磁铁矿冶炼条件下,高炉内焦炭的开始反应温度平均为862℃,焦炭剧烈反应温度平均为1 266℃;焦炭的气化反应仍为主要蚀损,渣铁中TiO2的存在对焦炭有一定的保护作用。

 
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