Phase relationships in the Yb-Fe-Sb ternary system at 530 °C were investigated mainly by powder metallurgy and X-ray powder diffraction.Nine binary compounds(Yb6Fe23, Yb2Fe17, FeSb, FeSb2, YbSb2, YbSb, Yb11Sb10, ...Phase relationships in the Yb-Fe-Sb ternary system at 530 °C were investigated mainly by powder metallurgy and X-ray powder diffraction.Nine binary compounds(Yb6Fe23, Yb2Fe17, FeSb, FeSb2, YbSb2, YbSb, Yb11Sb10, Yb4Sb3, and αYb5Sb3) and one ternary compound(Fe4YbSb12) were confirmed in this system at 530 °C.The homogeneity range of FeSb phase extended from approximately 43at.%Sb to 45at.%Sb, the maximum solid solubility of Sb in Fe phase and Yb in FeSb phase was approximately 3at.%Sb and 1at.%Yb at 530 °C, respectively.Isothermal section of the phase diagram of the Yb-Fe-Sb ternary system at 530 °C consisted of thirteen single-phase regions, twenty-four two-phase regions, and twelve three-phase regions.展开更多
One case of seborrheic dermatitis,male patient,aged 73 years is reported.After treated with acupuncture,penetrating moxibustion and bloodletting therapies,skin lesions on the neck and shoulder regions disappeared,the ...One case of seborrheic dermatitis,male patient,aged 73 years is reported.After treated with acupuncture,penetrating moxibustion and bloodletting therapies,skin lesions on the neck and shoulder regions disappeared,the epidermis returned to normal and itching disappeared.There was no recurrence in the follow-up visit 3 months later.Hence,acupuncture,combined with penetrating moxibustion and bloodletting has a definite effect on this case in the patient and it is worthy of promotion and application in clinical practice.展开更多
基金supported by the National Natural Science Foundation of China ( 50471108)
文摘Phase relationships in the Yb-Fe-Sb ternary system at 530 °C were investigated mainly by powder metallurgy and X-ray powder diffraction.Nine binary compounds(Yb6Fe23, Yb2Fe17, FeSb, FeSb2, YbSb2, YbSb, Yb11Sb10, Yb4Sb3, and αYb5Sb3) and one ternary compound(Fe4YbSb12) were confirmed in this system at 530 °C.The homogeneity range of FeSb phase extended from approximately 43at.%Sb to 45at.%Sb, the maximum solid solubility of Sb in Fe phase and Yb in FeSb phase was approximately 3at.%Sb and 1at.%Yb at 530 °C, respectively.Isothermal section of the phase diagram of the Yb-Fe-Sb ternary system at 530 °C consisted of thirteen single-phase regions, twenty-four two-phase regions, and twelve three-phase regions.
文摘One case of seborrheic dermatitis,male patient,aged 73 years is reported.After treated with acupuncture,penetrating moxibustion and bloodletting therapies,skin lesions on the neck and shoulder regions disappeared,the epidermis returned to normal and itching disappeared.There was no recurrence in the follow-up visit 3 months later.Hence,acupuncture,combined with penetrating moxibustion and bloodletting has a definite effect on this case in the patient and it is worthy of promotion and application in clinical practice.
