smokeless相关论文
Background: 48% Indian men over 15 years are current tobacco users(50% smokers,69% smokeless tobacco users,19% dual user......
研究了HMX含量对HTPB复合固体推进剂微波衰减的影响。实验结果表明:含HMX的HTPB复合固体推进剂的微波衰减随HMX含量的增加而增加,H......
研发了一种热浸镀锌无烟助镀剂,其配方为250 g/L ZnCl_2＋20 g/L SnCl_2＋12 g/L CeCl_3＋10 g/L NaCl＋20 g/L KF＋1g/L表面活性剂;助镀工艺......
目的:检查被动吸烟对孕鼠胎盘的影响.方法:选择健康、成熟SD大鼠,均于妊娠第1～20d,仿Younoszai法制造被动吸烟模型,观察被动吸烟妊......
叙述了一种自吸旋混式无烟燃烧器,喷孔采用交错布置方式,利用空气动力学原理,通过提高燃气压力,保证无烟燃烧所需空气进入燃烧区,......
Gene Expression Changes and Signal Transduction Pathway Alterations in Primary Human Oral Epithelial
Smokeless tobacco (ST), an alternative to smoking, has gained wide popularity among tobacco users. This study is conduct......
There is a dearth of literature regarding the pregnancy outcomes in antenatal women using smokeless tobacco products (ST......
There is a dearth of literature regarding the pregnancy outcomes in antenatal women using smokeless tobacco products (ST......
Aim: An overview and comparative evaluation of head and neck cancer risk factors in India and Australia. Method: In this......
烟花用发射药主要是黑火药,黑火药燃烧过程中产生大量烟雾,严重影响烟花的观赏效果,造成环境污染。为解决烟花发射过程中产生烟雾......
