Vanadium alloy is proposed as an attractive candidate for first wall and blanket structural material of fusion reactors. The retention and release behaviors of hydrogen and helium in vanadium alloy may be an important...Vanadium alloy is proposed as an attractive candidate for first wall and blanket structural material of fusion reactors. The retention and release behaviors of hydrogen and helium in vanadium alloy may be an important issue. In the present work, 1.7 keV deuterium and 5 keV helium ions are respectively implanted into V-4Cr-4Ti and V-4Ti at room temperature. The retention and release of deuterium and helium are measured with thermal desorption spectroscopy (TDS). When the helium ion fluence is larger than 3 × 1017 He/cm2, the retained helium saturates with a value of approximately 2.5 ×1017 He/cm2. However, when the ion fluence is 1×1019 D/cm2, the hydrogen saturation in vanadium alloy does not take place. Experimental results indicates that hydrogen and helium retention in vanadium alloy may lead to serious problems and special attention should be paid when it is applied to fusion reactors.展开更多
It is the responsibility of pharmacists to ensure the safety of patients as pharmacist’s professional duties expand into diverse directions. In recent years, the use of automated dispensing systems has increased;howe...It is the responsibility of pharmacists to ensure the safety of patients as pharmacist’s professional duties expand into diverse directions. In recent years, the use of automated dispensing systems has increased;however, the inspection by pharmacists is the most important step in the prevention of medical errors. Comparing the inspection of hospital and community pharmacists may lead to an increased awareness of incident countermeasures. Therefore, eye tracking was performed for hospital and community pharmacists who conduct inspection, and the results revealed the factors that affect dispensing errors. One of the factors was the size of the dispensing space, especially if the space was small and the items needed were not easily accessible. In addition, differences in the inspection procedures among pharmacists were presumed to lead to possible dispensing errors due to oversights. Moreover, it was suggested that any subsequent work would flow more smoothly if a pharmacist checked the prescription and medication history management records at the beginning. Furthermore, it was thought that keeping a history of checks, such as recording any prescription checks in writing, would speed up finding the cause in the unlikely event that a dispensing error occurred. Accordingly, creating an environment in which one can concentrate without distractions during the inspections can lead to the prevention of dispensing error.展开更多
基金The project supported by China-Japan Core University Program (Taskl-2A)
文摘Vanadium alloy is proposed as an attractive candidate for first wall and blanket structural material of fusion reactors. The retention and release behaviors of hydrogen and helium in vanadium alloy may be an important issue. In the present work, 1.7 keV deuterium and 5 keV helium ions are respectively implanted into V-4Cr-4Ti and V-4Ti at room temperature. The retention and release of deuterium and helium are measured with thermal desorption spectroscopy (TDS). When the helium ion fluence is larger than 3 × 1017 He/cm2, the retained helium saturates with a value of approximately 2.5 ×1017 He/cm2. However, when the ion fluence is 1×1019 D/cm2, the hydrogen saturation in vanadium alloy does not take place. Experimental results indicates that hydrogen and helium retention in vanadium alloy may lead to serious problems and special attention should be paid when it is applied to fusion reactors.
文摘It is the responsibility of pharmacists to ensure the safety of patients as pharmacist’s professional duties expand into diverse directions. In recent years, the use of automated dispensing systems has increased;however, the inspection by pharmacists is the most important step in the prevention of medical errors. Comparing the inspection of hospital and community pharmacists may lead to an increased awareness of incident countermeasures. Therefore, eye tracking was performed for hospital and community pharmacists who conduct inspection, and the results revealed the factors that affect dispensing errors. One of the factors was the size of the dispensing space, especially if the space was small and the items needed were not easily accessible. In addition, differences in the inspection procedures among pharmacists were presumed to lead to possible dispensing errors due to oversights. Moreover, it was suggested that any subsequent work would flow more smoothly if a pharmacist checked the prescription and medication history management records at the beginning. Furthermore, it was thought that keeping a history of checks, such as recording any prescription checks in writing, would speed up finding the cause in the unlikely event that a dispensing error occurred. Accordingly, creating an environment in which one can concentrate without distractions during the inspections can lead to the prevention of dispensing error.
