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SEVERAL ISSUES CONCERNING VERTICAL CLIMATE OF THE HENGDUAN MOUNTAINS
  • Z. Yi
  • Environmental Science
  • 1998
According to measuring data of vertical climate in Yunling Baima Snow mountains for more than three months,the vertical lapse rate of air temperature is 0.71℃/100m on the western slope and 0.78℃/100mExpand
Qualitative and Quantitative Analysis of Alkaloids in Cortex Phellodendri by HPLC-ESI-MS/MS and HPLC-DAD
A combined method of high performance liquid chromatograph-elecrtrospray-ionization mass spectrometer(HPLC-ESI-MS/MS) coupled with a photodiode array detector(HPLC-DAD) and principal componentExpand
Effects of Exogenous ABA on the Seed Germination of Rice (Oryza sativa L.) and the Expression of Relative Genes
Many important aspects during plant development are regulated by abscisic acid (ABA).In this study,the seeds from rice variety “Jiayu 948”(Oryza sativa L.) were germinated in ABA solution using threeExpand
Development of HPLC method to evaluate drug-processing technique of Eucommiae Cortex.
Objective To establish a RP-HPLC method investigate the processing technique and mechanism of Eucommiae Cortex. Methods The RP-HPLC method was applied to simultaneously determining six ingredients,Expand
Study on Characteristic and Purification of Spirulina Phycocyanin
Phycocyanin can be used as ingredient of cosmetics and dif ferential natural food or fluorescence labeling probe.Phycocyanin were puried fr om extracts of enzymotytic or frozen melt of spirulina,andExpand
Chemical Constituents from the Stems and Leaves of Elaeocarpus glabripetalus
AIM:To investigate the chemical constituents of Elaeocarpus glabripetalus Merr..METHODS:The compounds were isolated and purified by repeated column chromatography and their structures were identifiedExpand
Investigation of Endotoxin Contamination in Drinking Water in Wuhan City
Objective To investigate the pollution of endotoxin in drinking water and the removal efficiency of endotoxin through the conventional drinking water treatment in Wuhan city,Hubei Province.Methods InExpand
Optimization of the extraction technique of Fortunella margarita polysaccharides via response surface analysis
The effects of water/material ratio,temperature,time,ethanol concentration and extraction times were studied on the Fortunella margarita polysaccharides extraction rate.The regression equation wasExpand
Isolation and identification of chemical constituents from the flowers of Abelmoschus manihot(L.)Medic(III)
Objective To study the chemical constituents from the flowers of Abelmoschus manihot(L.)Medic.Methods The compounds were isolated by chromatographic methods such as silica gel,ODS,Sephadex LH-20 andExpand
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