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
班主任管理工作的质量直接影响着学生的核心素养培养及教师的教学质量,而互联网信息时代的到来,既为初中班主任的管理工作提出了全新的挑战,同时也为其管理路径带来了创新突破点
Dragon' blood is widely used as a famous traditional Chinese medicine which has been found antimicrobial, antiviral, antitumor, antihemorrhagic, immunomodul
Notwithstanding the continuous progress in instruments playability and impressive potential of modem LC-MS based bio-analytical methodologies, sample prepar
B(a)P as one kind of durable organic pollutant is widely exists in complex organic matrix, for example: B(a)P in cigarette smoke condensate (ng).It has low
居家隔离的日子里,零食被我消灭得一干二净,于是我决定与妈妈联合起来,创办一次主题为“为吃痴狂”的美食节.rn炒黄豆rn冰箱里的肉、蔬菜很充足,厨房里的米、面、油很齐全.我
Chinese herbal medicine is an important component of Medicine in China..At domestic and abroad,the main metchod of extracting the ingredients of Chinese her