Multi-indicators rapid determination in alcohol precipitation of Lonicerae Japonicae Flos and Artemisiae Annuae Herba in Reduning Injection by near-infrared spectroscopy Study on alcohol precipitation technology of Liuwei Dihuang Prescription Study on balance of process of alcohol precipitation of ganmaoling granules Investigation of alcohol concentration in alcohol precipitation process in compound preparation of Chinese materia medica Optimization on alcohol precipitation process for Lonicerae Flos and Artemisiae Annuae Herba in Reduning Injection by central composite design and response surface methodology Optimization on alcohol precipitation techniques of Liuwei Dihuang decoction by response surface methodology Optimization of purification of Panax notoginseng extract for injection Alcohol-purification technology and its particle sedimentation process in manufactory of Fufang Kushen injection Effect of alcohol concentration in water extraction and alcohol precipitation on preparation of effervescent tablets of Banlangen Real-time release control of alcohol precipitation about Artemisiae Annuae Herba and Lonicerae Flos based on statistical process control technology Defination and calculation of alcohol concentration in alcohol precipitation process of Chinese materia medica extracts Near infrared spectroscopy on-line and real-time monitoring of alcohol precipitation process of Reduning Injection