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As a new and rapidly growing science, the applications of
ultrasound methods in environmental technology hold a promising
future. Compared to conventional methods, ultrasonication can bring
several benefits such as being environmentally friendly (no toxic
chemical are used or produced), low cost, and compact, allowing
on-site treatment. Besides an overview featuring the background
behind ultrasonic technology, this brief summarizes the main
studies and innovations reported in recent research that has
utilized ultrasound methods in environmental analysis, water, and
sludge treatment, soil and sediment remediation to air
purification.
Crochet these tiny projects to add to your miniature collection!
The Crochet Mini Animals kit includes all the materials you'll need
to create 12 mini projects: 7 colors of cotton crochet thread, seed
bead eyes, embroidery floss, wire, a 1mm crochet hook, a metal
tapestry needle, and fiberfill stuffing. The 72-page paperback
instruction book contains photos and illustrations to guide you
step-by-step in creating your mini menagerie. If you squeal with
delight over tiny, adorable handmade creatures, you'll be hooked on
making these mini animals!
The future of our world is the future of cities. Therefore,
building a holistic guiding framework for urban sustainability,
which can be used in urban governance, decision-making, capacity
building, education and public awareness raising is a critical key
for a sustainable future. The thesis uses visionary and holistic
approach in dealing with urban issues. What makes a livable and
sustainable city? How do people perceive urban sustainability? How
do people envision their dream cities? Among many aspects of urban
development, what matter most to them? What are public perceptions
on current urban development in HCMC? This thesis seeks to find
answers for these questions, from suggestions of experts and think
tanks, to people's opinions, their hopes and dreams. Beside the
international document research and the global online survey, the
case of public perception in Ho Chi Minh City was also investigated
with both online and offline questionnaires and interviews of
people in some slum areas.
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