A method of depositing thin semiconductor photovoltaic) films. With this method, physical processes, such as thermal evaporation or bombardment of ions, are used to deposit elemental semiconductor material on a substrate.

Category:Energy Terms

A coating process whereby the cleaned and masked component to be coated is heated and rotated on a spindle above the streaming vapor generated by melting and evaporating a coating material source bar with a focused electron beam in an evacuated chamber.

The binding of an adsorbate to the surface of a solid by forces whose energy levels approximate those of condensation. Contrast with chemisorption.

A device, similar to a potometer, for measuring transpiration, consisting of a vessel containing soil in which one or more plants are rooted and sealed so that water can escape only by transpiration from the plant.

Category:Meteorology

A certificate issued by the U.S. Department of Agriculture to satisfy import regulations of foreign countries; indicates that a U.S. shipment has been inspected and found free from harmful pests and plant diseases.

Category:Sea Words

PI

1.Process Instruction.2.Port Inboard

Category:Abbreviations

PI

Port Inboard

Category:Abbreviations

Contraction for pilot balloon observation.

Category:Meteorology

PIC

Person In Charge.

Category:Abbreviations

PIC

Person In Charge

Category:Abbreviations

An atmometer which uses a filter paper disc as the evaporating element. The amount of water evaporated through the paper is read at the graduated tube reservoir.

Category:Meteorology

A solution or process used to loosen or remove corrosion products such as scale or tarnish.

Removing surface oxides from metals by chemical or electrochemical reaction. Pickling is the removal of any high temperature scale and any adjacent low chromium layer of metal from the surface of stainless steel by chemical means. Where the steel has b ...

The act of calling for freight by truck at the consignor's shipping platform.

Category:Sea Words

PID

Project IDentification.

Category:Abbreviations

The structure perpendicular to the shoreline to which a vessel is secured for the purpose of loading and unloading cargo.

Category:Sea Words

Making a ship just as it is about to sail.

Category:Sea Words

A shipment loaded into a container at the pier or terminal, thence to the consignee's facility.

Category:Sea Words

Containers loaded at port of loading and discharged at port of destination.

Category:Sea Words

Very small wooden pail having one stave prolonged to form a handle. Used as a bailer in a boat.

Category:Sea Words