煤田火区的安全关乎生存、环境、资源的健康发展,一旦发生自燃等火灾,将会造成巨大的经济损失与严重的环境污染.因此,加强煤田火灾的实时监测,采用高效的装置,提升监控信息传
Commercial nonylphenol polyethoxylates, designated as NPnEOs, where n is the number of ethoxy groups, are commonly used as non-ionic surfactants in househol
Proteins are an extremely important class of (bio)macromolecules as virtually no process within cells occurs without their direct involvement.As a consequen
星期天,我和几位同学提着小桶、扛着网兜,去乡下的小溪里捕鱼捞虾.小溪两旁长满了一丛丛一簇簇的野草野花,清清的溪水缓缓地流淌,小鱼小虾在水草中游来游去,田螺、河蚌在沙石
Toxic chemicals in cigarette smoke have received considerable attention recently for their hazardous effects on smokers and passive smokers.Heterocyclic aro
数字化航行通告是国际民航组织(ICAO)发布的《从航空情报服务(AIS)向航空情报管理(AIM)过渡的路线图》第三阶段一项重要的工作内容,同时也符合《中国民航航空系统组块升级发
In this study, a capillary electrochromatography (CEC) coupled with mass spectrometry (MS) detection was used for penicillins separation.Monolithic stationa
近年来，各地政府，为进一步提高城市品位，改善居民生活环境，以国家重视建设城市防洪堤，治理大江大河堤坝这一历史举措为机遇，纷纷掀起开发滨水地区景观的风潮。而滨水地区景观的开发
Molecular Imprinted is well known for its high selective separation of target molecular from complex matrix with high efficiency.Considering the chelate abi
土壤中铜、锌、铅、镍、锰的含量根据土壤环境的差异,含量也存在差别,为进一步测定土壤中铜、锌、铅、镍、锰的含量,相关研究人员采取了微波消解-火焰原子吸收法进行测定,实