成果/Result
- Rapid identification of adulterated cow milk by non-linear pattern recognition methods based on near infrared spectroscopy被引量:102收藏
- 作者:Zhang, Li-Guo Zhang, Xin Ni, Li-Jun Xue, Zhi-Bin Gu, Xin Huang, Shi-Xin
- 机构:E China Univ Sci & Technol;Shanghai Municipal Control Inst Vet Drug & Feedst
- 来源:FOOD CHEMISTRY 2014
- 关键词:Rapid identification of adulterated cow milks Near infrared spectroscopy Uniform design Improved support vector machine Improved and simplified K nearest nEIghbours
- Pattern recognition of Chinese flue-cured tobaccos by an improved and simplified K-nearest nEIghbors classification algorithm on near infrared spectra被引量:54收藏
- 作者:Ni, Li-Jun Zhang, Li-Guo Xie, Juan Luo, Jian-Qun
- 机构:E China Univ Sci & Technol
- 来源:ANALYTICA CHIMICA ACTA 2009
- 关键词:Near infrared Pattern recognition of multi-categories Improved and simplified K-nearest nEIghbors Optimization of principal component number Chemometrics Tobacco
- Screening wavelengths with consistent and stable signals to realize calibration model transfer of near infrared spectra被引量:36收藏
- 作者:Ni, Lijun Han, Mingyue Luan, Shaorong Zhang, Liguo
- 机构:East China Univ Sci & Technol
- 来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019
- 关键词:Near infrared (NIR) spectroscopy Multivariate calibration transfer Screening wavelengths with consistent and stable signals Standard deviation analyzation of spectra
- The method of calibration model transfer by optimizing wavelength combinations based on consistent and stable spectral signals被引量:31收藏
- 作者:Zhang, Liguo Li, Yongqi Huang, Wen Ni, Lijun Ge, Jiong
- 机构:East China Univ Sci & Technol;Shanghai Tobacco Grp Corp
- 来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020
- 关键词:Calibration model transfer Consistent and stable spectral information Wavelengths screening Near-infrared spectroscopy Total alkaloids
- Preparation and evaluation of microcapsule containing volatile oil of Herba Schizonepetae by emulsion solvent diffusion method被引量:27收藏
- 作者:Zhang, Liguo Ouyang, Xiaowen Ni, Lijun Shi, Wanzhong
- 机构: School of Chemistry and Molecular Engineering; Shuguang Hospital Affiliated to Shanghai
- 来源:Transactions of Tianjin University 2014
- 关键词:Emulsification - Controlled drug delivery - Sodium dodecyl sulfate - Normal distribution - Sulfur compounds - Microstructure - Targeted drug delivery
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- Microstructure, content and in vitro release of brucine and strychnine in Strychnos nux-vomica powder with different particle sizes被引量:23收藏
- 作者:Ni, Lijun Zhao, Wenwen Zhang, Liguo Wang, Nannan
- 机构: School of Chemistry and Molecular Engineering
- 来源:Transactions of Tianjin University 2014
- 关键词:High performance liquid chromatography - Medicine - Microstructure
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- 基于红外与近红外光谱的烟叶部位识别被引量:22收藏
- 作者:张鑫 郭佳 倪力军 张立国
- 机构:华东理工大学化学与分子工程学院
- 来源:《光谱学与光谱分析》 2007
- 关键词:红外 近红外 烟叶部位 模式识别
- 摘要:以烟叶样品的红外及近红外光谱为基础,采用基于主成分分析的马氏距离判别模型,研究了不同类型仪器、建模区间、模型参数及光谱预处理方式对烟叶部位识别准确率的影响。结果表明根据红外和近红外光谱均可对烟叶部位进行良好识别,近红外光...
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- Rectification extraction of Chinese herbs' volatile oils and comparison with conventional steam distillation被引量:20收藏
- 作者:Zhang, Li-Guo Zhang, Chao Ni, Li-Jun Yang, Yu-Jie Wang, Chun-Min
- 机构:E China Univ Sci & Technol;Med Coll Chengteh;Chengteh Jingfukang Pharmaceut Grp Co Ltd
- 来源:SEPARATION AND PURIFICATION TECHNOLOGY 2011
- 关键词:Volatile oil Rectification extraction Steam distillation Bupleurum Pogostemon cablin (Blanco) Benth Pericarpium Citri Reticulatae
- Near infrared spectral calibration model transfer without standards by screening spectral points with scale invariant feature transform from master samples spectra被引量:19收藏
- 作者:Ni, Lijun Chen, Haixia Hong, Shijun Zhang, Liguo Luan, Shaorong
- 机构:East China Univ Sci & Technol
- 来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021
- 关键词:Scale invariant feature transform Spectral point screening Near infrared spectral calibration model transfer Baicalin
- 8种多糖的单糖组成、活性及其相关性分析被引量:19收藏
- 作者:倪力军 王媛媛 何婉瑛 张立国
- 机构:华东理工大学化学与分子工程学院
- 来源:《天津大学学报(自然科学与工程技术版)》 2014
- 关键词:多糖 单糖组成 体外抗氧化活性 相关性
- 摘要:为探究多糖的结构与其体外抗氧化活性间的相关性,采用水提醇沉法提取了8种中药材中的多糖,用苯酚-硫酸法测定其多糖含量、用1-苯基-3-甲基-5-吡唑啉酮柱前衍生化(PMP)-高效液相色谱法(HPLC)测定各多糖中的单糖组成...
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- 薄层分析法快速分析银杏酸的方法研究被引量:18收藏
- 作者:李英华 张立国 倪力军
- 机构:吉林化工学院环境科学与工程系;华东理工大学化学与制药学院
- 来源:《华东理工大学学报(自然科学版)》 2005
- 关键词:薄层分析法 银杏叶提取物 银杏酸
- 摘要:建立了一种薄层分析法,用于快速分离和分析银杏叶提取物(EGb)生产过程中银杏酸的含量,并通过其他的定性方法对分离的样品进行了鉴定,确定提取物中包含了银杏酸类的5种代表性成分。回归方程为:Y=-2020.8+2644.9X...
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- Simultaneous determination of saponins in Radix Glycyrrhizae, Notoginseng and Ginseng by high performance liquid chromatography被引量:13收藏
- 作者:Zhang, Liguo Fang, Congying Ouyang, Xiaowen Ni, Lijun
- 机构: School of Chemistry and Molecular Engineering
- 来源:Transactions of Tianjin University 2013
- 关键词:Column chromatography - Metabolites - Liquids
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- Extraction and quality analysis of volatile oils from onions by coupling pilot and laboratory equipment based on multi-rectification被引量:9收藏
- 作者:Zhang, Li-guo Xue, Zhi-bin Ni, Li-jun Ma, Dong-sheng
- 机构:E China Univ Sci & Technol
- 来源:SEPARATION AND PURIFICATION TECHNOLOGY 2014
- 关键词:Multi-rectification Coupling pilot and laboratory equipment Onion volatile oils GC-MS Sulfide
- 近红外光谱结合非线性模式识别方法进行牛奶中掺假物质的判别被引量:8收藏
- 作者:倪力军 钟霖 张鑫 张立国 黄士新
- 机构:华东理工大学化学与分子工程学院;上海市动物疫病预防控制中心兽药检测所
- 来源:《光谱学与光谱分析》 2014
- 关键词:近红外光谱 液态奶掺假物质判别 改进与简化的支持向量机方法 改进与简化的KNN方法
- 摘要:以287例上海及上海周边地区牧场的生鲜奶作为真奶样本集组成3个真奶样品集合,配制了526例含有糊精(或淀粉)+三聚氰胺(或尿素、或硝酸铵)的掺假牛奶形成6个不同种类的假奶样品集合,其中糊精、淀粉在掺假奶中的含量为0.15...
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- KNN-KSR建模方法及其在卷烟主流烟气预测中的应用被引量:8收藏
- 作者:倪力军 曾晓虹 张立国
- 机构:华东理工大学化学与分子工程学院
- 来源:《华东理工大学学报(自然科学版)》 2008
- 关键词:KNN最优化保形映射 卷烟主流烟气 数学建模
- 摘要:提出在自变量空间寻找与未知样本最接近的K个已知样本,然后根据K个最近邻样本(KNN)与未知样本在自变量空间的关系去预测未知样本因变量的最优化保形映射方法(简称KNN-KSR)。以卷烟的稀释率、闭式吸阻、单支重、圆周、开式...
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- New technology of extracting salvianolic acid B from salvia miltiorrhiza bunge被引量:8收藏
- 作者:Ni, Li-Jun Gu, Hai-Xin Gao, Xiu-Jiao Zhang, Li-Guo
- 机构: School of Chemistry And Molecular Engineering
- 来源:Huadong Ligong Daxue Xuebao /Journal of East China University of Science and Technology 2006
- 卷烟主流烟气及其物理化学检测数据的挖掘与信息抽提被引量:5收藏
- 作者:倪力军 郭佳 张鑫 张立国
- 机构:华东理工大学化学与分子工程学院
- 来源:《华东理工大学学报(自然科学版)》 2007
- 关键词:信息挖掘 因子分析 典型相关分析 卷烟主流烟气
- 摘要:应用因子分析与典型相关分析方法对卷烟生产企业批量样品实际检测的18个检测指标进行了数据挖掘与信息抽提。因子分析表明:可用12个独立的公共因子来描述卷烟质量,其中主流烟气中的总粒相物、烟碱、焦油与物理指标稀释率、闭式吸阻相...
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- Transferring near infrared spectral calibration models without standards via multistep wavelength selection被引量:2收藏
- 作者:Ni, Lijun Zhang, Zhange Zhang, Liguo Luan, Shaorong
- 机构:East China Univ Sci & Technol
- 来源:JOURNAL OF NEAR INFRARED SPECTROSCOPY 2023
- 关键词:Scale invariant feature transform multistep wavelength selection near infrared spectral calibration model transfer standard deviation of samples spectra correlation analysis
- 缬沙坦与氢氯噻嗪药物-药物共晶的制备与表征被引量:0收藏
- 作者:王青青 卢庆梅 张立国 倪力军 栾绍嵘 钱俊红
- 机构:华东理工大学化学与分子工程学院
- 来源:《高校化学工程学报》 2025
- 关键词:药物-药物共晶 心血管疾病 缬沙坦 氢氯噻嗪 体外累积溶出度
- 摘要:为改进难溶性药物缬沙坦与氢氯噻嗪的溶出性能,采用液体辅助研磨法制备了缬沙坦-氢氯噻嗪共晶产物。通过粉末X-射线衍射法、拉曼光谱法、红外光谱法等对共晶产物、缬沙坦、氢氯噻嗪粉末及二者物理混合物进行了系列表征,并采用高效液相...
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- 紫外、近红外、多源复合光谱信息的银杏叶质量快速分析被引量:0收藏
- 作者:张立国 程佳佳 倪力军 栾绍嵘
- 机构:华东理工大学化学与分子工程学院
- 来源:《光谱学与光谱分析》 2017
- 关键词:银杏叶 近红外光谱 紫外光谱 多源复合光谱仪 KNN保形映射方法
- 摘要:为考察不同类型光谱信息用于银杏叶质量快速分析的适应性,收集了58个银杏叶样品,采用高效液相色谱方法(HPLC)测定其黄酮及内酯类活性成分的含量作为定标和检验样本的因变量(y)值,测定各样品的紫外、近红外光谱及包含紫外、可...
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- Establishment of the model for composition prediction of light petroleum fractions and its application被引量:0收藏
- 作者:Ni, Lijun Zhang, Liguo Ni, Jinfang Yuan, Weikang
- 机构:E China Univ Sci & Technol
- 来源:PROGRESS IN NATURAL SCIENCE 1999
- 关键词:molecular design prediction multicomponent system chemometrics petroleum fractions prediction of composition
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- Rigid-body molecular dynamics based on grid-based quantum charge density from frozen density matrices被引量:0收藏
- 作者:Xie, Bo Zhang, Liguo Zhang, Baichuan Wang, Guodong Luo, Jianxu
- 机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Teschal Sci Grp Ltd
- 来源:MOLECULAR SIMULATION 2026
- 关键词:Quantum-driven molecular dynamics rigid-body simulation frozen density matrix density-based electrostatics GPU-accelerated FFT
