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Lines of cocaine prepared for snorting. Contaminated currency such as banknotes might serve as a fomite. A $1 bill that has been stained as a result of black coffee being spilled on it. Due to the absorbency of the materials that make up dollar bills, they can be stained and contaminated by substances in the environment.
Snap, [6] or jounce, [2] is the fourth derivative of the position vector with respect to time, or the rate of change of the jerk with respect to time. [4] Equivalently, it is the second derivative of acceleration or the third derivative of velocity, and is defined by any of the following equivalent expressions: = ȷ = = =.
In statistical process control (SPC), the ¯ and R chart is a type of scheme, popularly known as control chart, used to monitor the mean and range of a normally distributed variables simultaneously, when samples are collected at regular intervals from a business or industrial process. [1]
Dextromethorphan's effects have been divided into four plateaus. [14]The first plateau (1.5 to 2.5 mg per kg body weight) is described as having euphoria, auditory changes, mild stimulation, and change in perception of gravity.
2C-B (4-bromo-2,5-dimethoxyphenethylamine), also known as Nexus, is a synthetic psychedelic drug of the 2C family, mainly used as a recreational drug. [2] [1] [4] It was first synthesized by Alexander Shulgin in 1974 for use in psychotherapy.
A group of 58 researchers is calling for a new, better way to measure obesity and excess body fat that goes beyond BMI. Here's what they recommend using instead.
Another critical speed at mode 4 is observed at 7810 rpm (130 Hz) in dangerous vicinity of nominal shaft speed, but it has 30% damping - enough to safely ignore it. Analytically computed values of eigenfrequencies as a function of the shaft's rotation speed. This case is also called "whirl speed map". [4] Such a chart can be used in turbine design.
Low does: eye and skin irritant High dose: rapid breathing, bluish discoloring of the skin, and fluid in the lungs Hydrogen cyanide Gas: colorless, or pale blue Odor: bitter almonds < 1 minute Hyperventilation, loss of consciousness, and convulsions Choking Agents Chlorine Gas: yellow-green Odor: bleach Seconds to minutes