The total time that elapses from pickup to delivery of a shipment.


Related Terms

INSOLATION

Solar radiation received, or the rate of delivery of such radiation.

DEADHEAD

When a truck returning from a delivery has no return freight on the back haul, it is said to be in deadhead.

INTERMODAL SHIPMENT

When more than one mode of transportation is used to ship cargo from origin to destination, it is called intermodal transportation. For example, boxes of hot sauce from Louisiana are stuffed into metal boxes called containers at the factory. That container is put onto a truck chassis (or a railroad flat car) and moved to a port. There the container is lifted off the vehicle and lifted onto a ship. At the receiving port, the process is reversed. Intermodal transportation uses few laborers and speeds up the delivery time.

OPTICALLY PUMPED MAGNETOMETER

A type of magnetometer that measures total magnetic field intensity by observation of the precession frequency of magnetic atoms, usually gaseous rubidium, cesium, or helium, which are magnetized by irradiation with circularly polarized light of a suitable wavelength.

OPERATOR UTILIZATION

The ratio of working time to total clock time; a ratio of 1.00 (or 100) indicates full utilization of the operator's work time.

NUTATING-DISK METER

An instrument for measuring flow of a liquid in which liquid passing through a chamber causes a disk to nutate, or roll back and forth, and the total number of rolls is mechanically counted.

NUSSELT NUMBER

A dimensionless number used in the study of forced convection which gives a measure of the ratio of the total heat transfer to conductive heat transfer, and is equal to the heat-transfer coefficient times a characteristic length divided by the thermal conductivity. Symbolized NNu.

N-P-K

The code identifying the components in a fertilizer mixture: nitrogen (N), phosphorus pentoxide (P), and potassium oxide (K). Fertilizers are graded in the order N-P-K, with the numbers indicating the percentage of the total weight of each component. For example, 5-10-10 represents a mixture containing by weight 5% nitrogen, 10% phosphorus pentoxide, and 10% potassium oxide. and a detector downstream measures the amount of decay of the resonance, thereby sensing fluid velocity.

NORMAL TIME

1. The time required by a trained worker to perform a task at a normal pace. 2. The total of all the normal elemental times constituting a cycle or operation. Also known as base time; leveled time.

NONLINEAR DISTORTION

1. Distortion in which the output of a system or component does not have the desired linear relation to the input. 2. [ENG ACOUS] The ratio of the total root-meansquare (rms) harmonic distortion output of a microphone to the rms value of the fundamental component of the output.

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