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A Glossary of Ecological Terms -

A Glossary of Ecological Terms. . Coagulated by Craig Chalquist, PhD, author of Terrapsychology: Reengaging the Soul of Place (Spring Journal Books, 2007)

Glossary of Mining Terms -

Demonstrated reserves — A collective term for the sum of coal in both measured and indicated resources and reserves. Deposit — Mineral deposit or ore deposit is used to designate a natural occurrence of a useful mineral, or an ore, in sufficient extent and degree of concentration to invite exploitation.

Vitamin B12 Deficiency: What It Is, Symptoms, & How to Treat ...

B12 deficiency can cause depression, fatigue, and other serious problems. Find out more about what this vitamin does and learn how to correct a deficiency.

Filtration - GVS Filter Technology

Filtration through a mesh means that the screen will stop particles larger than the mesh size rating. Medical meshes adopted by GVS are medical grade and comply with the very strict international requirements for cleanliness.

BU-403: Charging Lead Acid - Battery University

BU-403: Charging Lead Acid. Learn how to optimize charging conditions to extend service life. The lead acid battery uses the constant current constant voltage (CC/CV) charge method.


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Find your NOC -

We use the National Occupational Classification (NOC) system to classify jobs (occupations). Jobs are grouped based on the type of: job duties; work a person does; For immigration purposes, the main job groups are:

Glossary of Mining Terms - Kentucky Coal Education

A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

(An English-Chinese-Japanese Dictionary of Technology...

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Molecular weights can be found in the NIOSH Pocket Guide to Chemical Hazards, chemical supplier lists, the NIST Chemistry WebBook or other online databases.. The numeric value of 24.45 in both formulae is the molar volume of air in litres at normal temperature and pressure (NTP), which is considered to be 25ºC and 1 atmosphere (101.325 kPa or 760 mm Hg or 760 torr).

Rubber World Online - The technical service and news website ...

Rubber World Online - The news and technical service website for the rubber industry.

Aqva Amara Bvlgari cologne - a fragrance for men 2014

Aqva Amara, a new flanker of the masculine fragrance Aqva from Bvlgari, represents a new twist in the creation of aquatic perfumes. Perfumer Jacques Cav...

Tech Level - Atomic Rockets

"Technological advance is an inherently iterative process. One does not simply take sand from the beach and produce a Dataprobe. We use crude tools to fashion better tools, and then our better tools to fashion more precise tools, and so on.