نتایج جستجو برای: calamus rotang

تعداد نتایج: 476  

2001
P. BARRY TOMLINSON JACK B. FISHER RUSSELL E. SPANGLER RENEE A. RICHER

Climbing stems in the rattan genus Calamus can reach lengths of well over 100 m, are long-lived, and yet their vascular tissue is entirely primary. Such a combination suggests that stem vasculature is efficient and resistant to hydraulic disruption. By means of an optical shuttle and video recording of sequential images we analyzed the stem of a cultivated species. The stem has vascular feature...

2012
Preksha Dwivedi Richa Singh Talha Jawaid

Nootropic drugs used as a memory enhancer can improve thinking, memory, and alertness in people with Alzheimer’s disease and other disease that affect the mind. Memory is perhaps the most vital of all aspects that differentiates human beings from other animals. However, memory can become faulty due to several reasons, and in that case the person is not able to make full use of his or her potent...

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