Volunteering in Two Border Communities

synthesis of platinum nanostructures in two phase system

چکیده پلاتین، فلزی نجیب، پایدار و گران قیمت با خاصیت کاتالیزوری زیاد است که کاربرد های صنعتی فراوانی دارد. کمپلکس های پلاتین(ii) به عنوان دارو های ضد سرطان شناخته شدند و در شیمی درمانی بیماران سرطانی کاربرد دارند. خاصیت کاتالیزوری و عملکرد گزینشی پلاتین مستقیماً به اندازه و- شکل ماده ی پلاتینی بستگی دارد. بعضی از نانو ذرات فلزی در سطح مشترک مایع- مایع سنتز شده اند، اما نانو ساختار های پلاتین ب...

Volunteering and Aging

1 In the next two decades, the number of Americans age 55 or older will swell from 76 million to 110 million as the large baby-boom generation continues to age. Older Americans’ health and well-being is important for the entire society, and the longer they can live independently, the lower the social costs will be for the society as a whole. This e-newsletter provides an overview of demographic...

Attachment to Volunteering

We propose that volunteers' attachment to their work is determined by the level of resources they bring to it, the rewards they derive from it, and the context in which the work is carried out. We test this theory using two waves of the Americans' Changing Lives panel study (1986-1989). The resources part of the theory is supported: the likelihood of remaining in the volunteer labor force acros...

Volunteering for disaster nursing.

Volunteering: an Evolving Paradigm

vital role in preserving the stability and cohesion of societies and makes a significant, but largely overlooked, economic contribution. It also brings considerable benefits to people who have the opportunity to volunteer. Moreover, volunteering helps to widen social, economic and cultural networks, enhances self-esteem, meets the need of people to learn from each other, facilitates acquisition...