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PHOSPHORUS DYNAMICS BETWEEN JAMES RIVER
AND CHESAPEAKE BAY
Chiu-Shia Fen
December 1988
SCHOOL OF ENGINEERING AND
APPLIED SCIENCE
D E P A R T M E N T O F CIVIL E N G I N E E R I N G
UNIVERSITY OF VIRGINIA
CHARLOTTESVILCE, VIRGINIA 22901
PHOSPHORUS DYNAMICS BETWEEN JAMES RIVER
AND CHESAPEAKE BAY
A Thesis Presented to
the Faculty of the School of Engineering and Applied Science
University of Virginia
In Partial Fulfillment
of the requirement for the Degree
Master…
A STEM classroom activity with an online resource.
Have you ever thought about what soap is? This slippery, sudsy stuff we use every day does its job without us thinking much about it. We know it makes the world cleaner but do you know what makes soap soap? If you want to explore these questions, we invite you to check out "Exploration Clean". Exploration Clean is an Interactive Online Resource to help students (and adults) understand the science and engineering…
Understand the language of soaps and detergents.
ALCOHOL: A class of organic compounds containing one or more hydroxyl groups. The alcohols used in light duty and liquid laundry detergents are isopropanol or ethanol (ethyl alcohol). These alcohols are used at low levels in liquid detergent formulations to control viscosity, to act as a solvent for other ingredients, and to provide resistance to low and freezing temperatures encountered in shipping, warehousing, and use. &…
No matter who you are and how many people you live with, a clean home just makes you feel good. Cleaning also helps to keep you healthy by removing dirt and reducing germs and allergens. Whether you are new to "adulting" or you grew up with Heloise, this webinar will include room-by-room cleaning tips just in time for the holidays.
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Automatic dishwashers represent a tremendous saving in time and effort; they minimize breakage through reduced handling of dishes; they help keep the kitchen neater and more clutter-free; and cleanup after entertaining is simplified. These are benefits that have much appeal to consumers.
In order to ensure that public health standards are maintained, hospitals and many other food service institutions are required by law to clean dishes by automatic dishwashing methods.
The benefits of an…
Reusable bags are a sustainable alternative to plastic bags. However, they need proper care to prevent things like germs and mold from growing and cross-contaminating your food. Wash and store bags safely between each use. Here's how:
Clean
Wash bags after each use, following care instructions. See the fabric care label or the table below for more details…
The holidays are almost here! They may look different than in years past, but we can still find ways to show loved ones that we care. This year, small businesses are also in need of some holiday cheer. If you plan to go out shopping, here are some steps you can take to stay safe and clean.
Q. I’m motivated this year to do a massive spring cleaning but with little kids running around my home, I'm concerned about cleaning product safety. How should I be planning to clean safely?
A. We encourage parents to do spring cleaning in the absence of young children so that you can give it your full attention without distractions. Here are some additional safety tips —
Children are usually curious…
Surfactants (yellow) cause water to lose surface tension, which is what keeps water separate from other materials
Have you ever seen a bead of water sitting on a surface? This is because water has a property called surface tension. This tension causes water to form a bead on the surface of things like glass or fabric. You can see surface tension at work by placing a drop of water onto a counter top. The drop will hold its shape and will not spread.
In order to clean the dirt on our …
ACI Launches National PSA and Online Resources to Demonstrate Cleaning and Caring Connection
The American Cleaning Institute (ACI) launched Cleaning is CaringTM – a new campaign to communicate the value of cleaning in today’s society as a way to protect one another from the spread of illness and encourage consumers to maintain proper cleaning behaviors adopted during the pandemic.
ACI’s…