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thrombosisThrombus.a blood clotA blood clot that is attached to a vessel wall is a thrombus, A drifting blood clot is an embolus
Wind could knock you over or blow your vessel into a submerged (unseen) obstruction.
Historically, the displacement of a body is the volume of water lost if the object were to be submerged in a vessel filled to the absolute rim with water.
OSHA says Stationary.
The Plimsoll line is there for safety's sake. It's to prevent overloading of a vessel.The Plimsoll line or Plimsoll mark is named for the 19th Century Englishman Samuel Plimsoll, who first suggested that it was necessary to have permanent line or mark on the hull of merchant ships to show the depth to which a vessel may be safely and legally loaded. This "load" line differs from the waterline, which shows where the unloaded vessel floats. The Plimsoll mark is important because if it is submerged due to overloading, it immediately shows that the vessel does not have enough freeboard (that part of the vessel that is out of the water) to be safe.
A stationary blood clot, also known as a thrombus, is a solid mass of blood that forms within a blood vessel and remains in place. It differs from an embolus, which is a clot that has broken loose and traveled through the bloodstream. Stationary blood clots can block the flow of blood and cause various health complications.
A vessel floats due to the principle of buoyancy, which states that an object submerged in a fluid experiences an upward force equal to the weight of the fluid it displaces. When the weight of the vessel is less than the weight of the water it displaces, it will float. Additionally, the design and shape of the vessel create a sufficient volume to displace enough water, allowing it to stay afloat despite its weight. This balance between buoyancy and gravity is what keeps the vessel on the surface.
To pipette liquid without bubbles, make sure the pipette tip is fully submerged in the liquid before aspirating. Slowly release the liquid against the side of the receiving vessel to avoid bubble formation. Additionally, practice a gentle touch to prevent introducing air into the liquid.
The draft of a vessel is calculated by measuring the vertical distance from the waterline to the lowest point of the hull, typically the keel. This measurement can be taken at various points along the vessel's length to determine its draft at different positions. The draft can also be estimated using the vessel's displacement and the density of the water, applying Archimedes' principle, which states that the weight of the water displaced by the submerged portion of the vessel equals the weight of the vessel itself. Additionally, draft markings on the hull can provide quick reference points for determining the vessel's current draft.
An allision is a nautical term that refers to a collision involving a moving vessel and a stationary object, such as a dock or a bridge. This term is used to differentiate from a collision between two moving vessels.
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