Results 71 to 80 of about 7,541,874 (198)

Eclipse;Black Hills Scenes;

This is a 7x5 glass plate of leafless trees and multi-story buildings beneath a planetary body with a circular halo surrounding an ecliptic shape. Title(s) by Carpenter, L.397 H86-038 Lester Black Collection Vault 334-417 Box 5 of 8 Glass plates H86-037
Black, Lester
core  

Signatures from the observed jet power and the radiative efficiency for rotating black holes in loop quantum gravity

European Physical Journal C: Particles and Fields
We investigate the radiative efficiency and jet power in the spacetime of a rotating black hole within the framework of loop quantum gravity (LQG), which includes an additional LQG parameter.
Zhengwei Cheng, Songbai Chen, Jiliang Jing   +2 more
doaj   +1 more source

The CO2 Reduction Potential of Using Black Pellets for Energy Production in Romania

Chemical Engineering Transactions
In this study, a contextual analysis of the CO2 reduction potential by using black pellets for energy production in Romania was performed. Black pellets have similar fuel properties to that of coal, thus representing a sustainable and environmentally ...
Cansu Birgen, Sigurd Sannan
doaj  

BCC presents Brown Sugar, eighty years of America's Black female superstars, a lecture and slide presentation by Donald Bogle

, 2010
Flyer about Donald Bogle’s lecture (front); Ahmad Jamal and his Trio perform (back)Donald Bogle give lecture, “Brown Sugar: Eighty Years of America’s Black Female Superstars” (front); Homecoming concert featuring Ahmad Jamal and his Trio, sponsored by ...
Purdue University. Black Cultural Center
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Trouble the Land: The Rise of Black Political Power

Southern Spaces
\"The Rise of Black Political Power\" traces Atlanta\'s political transformation from the 1940s through the 1970s, as sustained voter registration and organizing shifted Black Atlantans from \"being the balance of power to being the power.\" Highlights ...
doaj  

["Junior Black Academy vs Dallas" documentary video]

, 1984
Video footage provided by The Black Academy of Arts and Letters recorded during a news section on the conflict between the city of Dallas and the academy over a new location in the developing Dallas arts district.
Black Horizons
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Purchasing Power Parity in Eastern European Countries: Further Evidence from Black Market Exchange Rates [PDF]

The purchasing power parity (PPP) has been amongst the most tested theories in the international finance literature. The empirical findings from the extant literature for the PPP hypothesis are mixed.
Ferit Kula, Alper Aslan
core  

Capturing experienced invisibility among people with multiple stigmatized identities: The experienced invisibility scale protocol. [PDF]

PLoS One
Sesko AK, Fisher AN, Biernat M.
europepmc   +1 more source

Black Elk Peak

, 1972
Black Elk Peak, formerly Harney Peak. In envelope: "Misc Scenery." Photo stamped: "Black Hills National Forest.
Ferweda, C. E.
core  

A context-calibrated framework based on uncrewed aerial vehicle imagery for power-line detectability and mitigation evaluation: a model system from Black-necked Crane wintering grounds on the Tibetan Plateau. [PDF]

PeerJ
Li X, Guo Y.
europepmc   +1 more source