introduction: nowadays, it has been known that individuals handle coping strategies when faced with stressful events. these strategies play an important role in individuals. nurses are exposed to high  stress, which directly affects their job satisfaction and the quality of their services. therefore, the present study tried to investigate the effect of yoga on stress coping strategies among nur...

DEFINITION Indexing units refers to the granularity of information in the retrieval system’s index, which can be in principle any document part of a structured text, and as a consequence determines the possible units of retrieval. There are three basic approaches: The first approach is to index every potentially retrievable unit as a whole—the so-called element-based approach [13]. The second a...

Leaf tissues of aurea mutants of tobacco and Lespedeza have been shown to have higher photosynthetic capacity per molecule of chlorophyll, a higher saturation intensity, a simpler lamellar structure, and the same quantum yield as their dark green parents. Here we report on the values of photosynthetic units for both types of plants and some algae. The unit has been assumed to be about as unifor...

SI Units The International System of Units (SI) is system of units of measurements that is widely used all over the world. This modern form of the Metric system is based around the number 10 for convenience. A set unit of prefixes have been established and are known as the SI prefixes or the metric prefixes (or units). The prefixes indicate whether the unit is a multiple or a fraction of the ba...