英语翻译The result of DME combustionwithout catalyst is shown in

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.

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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