The selective reduction of B[a]P in cigarette smoke by a homemade nanometer was studied.
对自行研制的纳米材料对卷烟烟气中苯并芘(B[a]P)含量的选择性降低情况进行了研究,用气相色谱-质谱联用的方法检测了卷烟烟气中苯并芘含量的变化,结果表明该材料对于降低卷烟烟气中的苯比芘效果明显。
Several factors which affect the activities of Ni catalysts for low temperature selective hydrogenation were investigated.
制备了Ni/γ -Al2 O3 催化剂 ,并考察其低温选择性加氢性能。
Choice and Choice Cost:the Analysis on the Mechanism of Brand Declining Choice Cost;
选择与选择成本——品牌降低选择成本的机制分析
Choose high fibre, lower-fat foods.
选择高纤维、低脂肪食物。
Tree Species Selection for Forests Form Transformation of the Deteriorated Pinus massoniana Forests in Red Soil Low Hilly Area
红壤低丘低效马尾松林林相改造树种选择研究
Choose a starter home.
选择政府提供的低价而体面的住宅。
Study on Low-temperature Selective Catalytic Reduction of NO with NH_3 over Modified Activated Carbon;
改性活性炭低温选择性催化还原NO研究
Less-lethal Weapons: the Difficult Choice of British Police;
低致命性武器:英国警方的两难选择
Low-temperature Selective Catalytic Reduction of NO with NH_3 over Mn-Fe-Ce/TiO_2
Mn-Fe-Ce/TiO_2低温NH_3选择性催化还原NO
A Selective Protection Method of Low-voltage Power System
实现低压电网选择性保护的一种措施
Low-pressure Conductor Section Selection And Determine Of Power Supply Radius
低压导线截面选择及供电半径的确定
Novel MnO_x/CNTs catalyst for low-temperature selective catalytic reduction of NO
新型MnO_x/CNTs催化剂低温选择性催化还原NO
Economy with Lower Carbon Dioxide: Necessary Choice to Practice Outlook of Scientific Development
低碳经济:实践科学发展观的必然选择
Slice thickness selection of low-dose multi-slice CT scanning in submento-vertex
MSCT颅底低剂量扫描的层厚选择
Research Progress of Selective Catalytic Reduction of NO_x at Low Temperature
低温选择性催化还原NO_x的研究进展
Working fluid selection for organic rankine cycle(ORC) in low temperature geothermal power generation system
低温地热有机朗肯循环(ORC)工质选择
The selection and energy saving of the lead cross-section of the low voltage distribution network line
低压配电网线路导线截面选择与节能
The cheeses used can be selected for their high protein but low milk fat.
所使用的乳酪可以选择高蛋白但低奶油的；
Selecting OFF mutes the sound of the LFE channel from the sub woofer.
选择“关闭”可关闭来自低音炮的LFE声道的声音。
The timing of such change is also not to be underestimated.
这类改变的时间选择，也是不可被低估的。