نتایج جستجو برای: pbs
تعداد نتایج: 8481 فیلتر نتایج به سال:
Personal Bibliographic Systems (PBS) manage the input, storage, retrieval, and output of bibliographic references. The software allows for references to a number of different document types such as journal articles, books, book chapters, dissertations, reports, unpublished papers, electronic documents, etc. Unlike general-purpose database management packages, PBS are made for bibliographic info...
The purpose of the present study was to examine between- and within-person relationships among protective behavioral strategies (PBS), alcohol consumption, and related negative consequences during the 21st birthday week. Participants for the present study included undergraduate college students (n = 1,028) who turned 21 during three academic quarters at a large public northwestern university in...
Protective behavioral strategies (PBS) are specific behaviors one can utilize to minimize the harmful consequences of alcohol consumption. Recently, there has been an increasing amount of interest in use of PBS among college students, especially as an intervention target. The purpose of the present comprehensive review of the PBS literature was to examine the measurement of PBS and summarize th...
Size Dependence of Temperature-Related Optical Properties of PbS and PbS/CdS Core/Shell Quantum Dots
The effect of PbS core size on the temperature-dependent photoluminescence (PL) of PbS/CdS quantum dots (QDs) in the temperature range of 100−300 K was thoroughly investigated and compared with shell-free PbS QDs. The core/shell QDs show significantly smaller PL intensity variation with temperature at a smaller PbS size, while a larger activation energy when the PbS domain size is relatively la...
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