From the process of sedimentation the mathematical relationships among deposition Volume and powder properties as well as sedimentation parameters were deduced. Based on the formula a mathematical model was set up and...From the process of sedimentation the mathematical relationships among deposition Volume and powder properties as well as sedimentation parameters were deduced. Based on the formula a mathematical model was set up and simulated through the computer. At last the validity of mathematical model was supported by the representative experiment on Ti-Mo system FGM prepared by co-sedimentation.展开更多
Urban transport construction of thosedays should provide favourable conditionsfor cities to enter the twenty-first century.Itshould not be considered as too early to dis-cuss this issue now.What will our cities lookli...Urban transport construction of thosedays should provide favourable conditionsfor cities to enter the twenty-first century.Itshould not be considered as too early to dis-cuss this issue now.What will our cities looklike by the turn of the century Based on thestrategic goal of developing our socialisteconomy in three phases,we shall have at-tained the objectives set for the secondphase by the end of this century:our peoplewill have enjoyed fairly good living stand-展开更多
TCM reference standard(TCM RS)plays an important role in identification,characterization and quality control of herbal raw material,slices,extracts and finished products.It is widely used in:1)authentication of TCM ma...TCM reference standard(TCM RS)plays an important role in identification,characterization and quality control of herbal raw material,slices,extracts and finished products.It is widely used in:1)authentication of TCM material;2)quantitative determination of herbal chemicals and marker compounds;and 3)limit tests of toxic impurities.TCM RS are provided in three different categories in the form展开更多
文摘From the process of sedimentation the mathematical relationships among deposition Volume and powder properties as well as sedimentation parameters were deduced. Based on the formula a mathematical model was set up and simulated through the computer. At last the validity of mathematical model was supported by the representative experiment on Ti-Mo system FGM prepared by co-sedimentation.
文摘Urban transport construction of thosedays should provide favourable conditionsfor cities to enter the twenty-first century.Itshould not be considered as too early to dis-cuss this issue now.What will our cities looklike by the turn of the century Based on thestrategic goal of developing our socialisteconomy in three phases,we shall have at-tained the objectives set for the secondphase by the end of this century:our peoplewill have enjoyed fairly good living stand-
文摘TCM reference standard(TCM RS)plays an important role in identification,characterization and quality control of herbal raw material,slices,extracts and finished products.It is widely used in:1)authentication of TCM material;2)quantitative determination of herbal chemicals and marker compounds;and 3)limit tests of toxic impurities.TCM RS are provided in three different categories in the form
