英语翻译The result of DME combustionwithout catalyst is shown inFig.S1 (Supplementary data,Fig.S1),whichindicates that thehomogeneous oxidation startsafter 200 °C and the temperaturefor complete conversion is higherthan 525 °C.Fig.1 and Table 1

英语翻译The result of DME combustionwithout catalyst is shown inFig.S1 (Supplementary data,Fig.S1),whichindicates that thehomogeneous oxidation startsafter 200 °C and the temperaturefor complete conversion is higherthan 525 °C.Fig.1 and Table 1
英语翻译
The result of DME combustion
without catalyst is shown in
Fig.S1 (Supplementary data,
Fig.S1),which
indicates that the
homogeneous oxidation starts
after 200 °C and the temperature
for complete conversion is higher
than 525 °C.Fig.1 and Table 1
present the results of the
catalytic activities of DME combustion
over M-OMS-2 catalysts.It can be
seen from Fig.
1 and Table 1 that
Co,Ni and Cu doped OMS-2
catalysts exhibit higher catalytic activ-
ities compared to Cr and Fe doped
OMS-2 catalysts.More impor-
tantly,Cu-OMS-2 shows the best activity with the light-off
temperature (T10,the temperature
acquired for 10% DME conver-
sion) and the full-conversion
temperature (T90,the temperature
acquired for 90% DME conversion)
at 171 and 180 °C,respectively.
The temperature window from T10 to T90over Cu-OMS-2 catalyst is
less than 10 °C,and this narrow
window suggests that Cu-OMS-2
catalyst has excellent
low-temperature activity.Considering that
the undoped OMS-2 has a T10 of 167
°C and a T90 of 213 °C [21],
the T90 for DME combustion
has been significantly reduced after
doping with transition metals.
Over the M-OMS-2 catalysts,CO2
and H2O were the only detectable
products within the detection
limit.

英语翻译The result of DME combustionwithout catalyst is shown inFig.S1 (Supplementary data,Fig.S1),whichindicates that thehomogeneous oxidation startsafter 200 °C and the temperaturefor complete conversion is higherthan 525 °C.Fig.1 and Table 1
The result of DME combustion without catalyst is shown in Fig. S1 (Supplementary data, Fig. S1), which indicates that the homogeneous oxidation starts after 200 °C and the temperature for complete conversion is higher than 525 °C. Fig. 1 and Table 1 present the results of the catalytic activities of DME combustion over M-OMS-2 catalysts. It can be seen from Fig. 1 and Table 1 that Co, Ni and Cu doped OMS-2 catalysts exhibit higher catalytic activities compared to Cr and Fe doped OMS-2 catalysts. More importantly, Cu-OMS-2 shows the best activity with the light-off temperature (T10, the temperature acquired for 10% DME conversion) and the full-conversion temperature (T90, the temperature acquired for 90% DME conversion) at 171 and 180 °C, respectively. The temperature window from T10 to T90over Cu-OMS-2 catalyst is less than 10 °C, and this narrow window suggests that Cu-OMS-2 catalyst has excellent low-temperature activity. Considering that the undoped OMS-2 has a T10 of 167°C and a T90 of 213 °C , the T90 for DME combustion has been significantly reduced after doping with transition metals. Over the M-OMS-2 catalysts, CO2 and H2O were the only detectable products within the detection limit.
无催化剂的二甲醚燃烧的结果示于图中.S1（补充数据,图S1）,这表明,200℃开始均匀的氧化后,完全转化的温度是高于525℃ .图1和表1展示M-OMS-2催化剂的催化二甲醚燃烧的结果.从图1和表1中可以看出,Co,Ni和Cu掺杂的OMS-2催化剂表现出更高的催化活性,相比Cr和Fe掺杂的OMS-2催化剂.更重要的是,铜-OMS-2示出了最好的活性在无光温度（T10,获取为10％DME转化率的温度）和完整的转换温度（T90,获得为90％DME转化率的温度）,分别在171和180℃.T10至T90以上的Cu-OMS-2催化剂的温度窗口是小于10℃,这个窄的窗口显示的Cu-OMS-2催化剂具有优良的低温活性.认为未掺杂OMS-2的具有一个167℃的T10和213°C的T90,与过渡金属掺杂后的T90为二甲醚燃烧已显着减少.M-OMS-2催化剂,在产品的检出限内CO2和H2O是唯一可检测到的燃烧后物质.

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