Science & Math
epub |eng | 2003-03-03 | Author:National Research Council of the National Academies

Since federal OSHA’s New Directions in Worker Training funding in the late 1970s, unions have produced a variety of brochures, fact sheets, manuals, and posters in Spanish. There is a ...
( Category: Nature & Ecology September 4,2023 )
epub |eng | 2007-03-12 | Author:National Research Council of the National Academies

Chronic Toxicity MacEwen et al. (1981) and Vernot et al. (1985) published the results of a hydrazine inhalation study conducted in male and female Fischer 344 rats, female C57BL/6 mice, ...
( Category: Science & Math September 4,2023 )
epub |eng | 2010-12-29 | Author:National Research Council of the National Academies

SAMPLE REDESIGN OPTIONS An overall question to consider is whether the sampling design—which relies on two separate samples, one for housing units and one for group quarters—is efficient in the ...
( Category: Mathematics September 4,2023 )
pdf |en | | Author: Frederic G. Cassidy; Tracy Will; David Medaris

( Category: Geography September 4,2023 )
epub |eng | | Author:Turner, James Morton;Cronon, William;

Concern about the economics of public lands management was not new in the 1980s. Marion Clawson, a resource economist who had grown up on a Nevada ranch and trained as ...
( Category: Natural Resources September 4,2023 )
epub |eng | | Author:Stroud, Ellen;Cronon, William;Cronon, William;

CHAPTER FOUR Who Owns Maine's Trees? In May 1895, Cornelia “Fly Rod” Crosby sat tying flies in a Maine cabin, admiring the mounted deer and moose heads that adorned the ...
( Category: Forests & Forestry September 4,2023 )
epub |eng | 2017-01-10 | Author:Sept, J. Duane;

Atlantic Sea Scallop Placopecten magellanicus Authority: (Gmelin, 1791) Other Names: Also known as Atlantic deep-sea scallop, deep-sea scallop, giant scallop, sea scallop; formerly classified as Pecten tenuicostatus Description: The exterior ...
( Category: Coastal September 4,2023 )
pdf |en | | Author: Jon A. Larson; Timothy E. Fulbright; Leonard A. Brennan; Fidel Hernández; Fred C. Bryant

( Category: Ornithology September 4,2023 )
epub |eng | 2021-09-15 | Author:Ryan, John C.;Vieria, Patrícia;Gagliano, Monica;McKenna, Dennis;McKenna, Dennis;

LIVING IN SYMBIOSIS—LESSONS FROM WITHIN Nowhere is symbiosis more apparent than in the relationship between humans and our own microbes. Only recently have we begun to understand that the story ...
( Category: Trees September 4,2023 )
epub |eng | 2019-05-25 | Author:Sept, J. Duane;

Boreal Astarte Astarte borealis (Schumacher, 1817) Other Name: Boreal tridonta. Description: Shell exteriors are white, covered in a fibrous olive-brown to black periostracum. Shell interiors are white. The oval to ...
( Category: Coastal September 4,2023 )
epub |eng | | Author:Jennings, Neil L.;

Anemone multifida Buttercup Family This plant favours south-facing slopes, grasslands and open woods. Like all anemones, Windflowers possess no petals, only sepals. The flowers are a variety of colours from ...
( Category: Mountains September 4,2023 )
pdf | | 0101-01-01 | Author:Jiachen Li & Kaichen Dong

( Category: other September 4,2023 )