8,815 research outputs found
Device removes hydrogen gas from enclosed spaces
Hydrogen-oxidant galvanic cell removes small amounts of hydrogen gas continually released from equipment, such as vented silver-zinc batteries, in enclosed compartments where air venting is not feasible. These cells are used in satellite compartments
Hermetically sealed cells protected from internal gas pressure
Manufacturing process prevents damage to hermetically sealed nickel-cadmium secondary cells by buildup of gas pressure during overcharging and reversed charging conditions. The cells are manufactured with less charge capacity in the positive electrode than in the negative electrode, and two additional electrodes are added
Didymium hydrate additive to nickel hydroxide electrodes Patent
Including didymium hydrate in nickel hydroxide of positive electrode of storage batteries to increase ampere hour capacit
Living Standards in Black and White: Evidence from the Heights of Ohio Prison Inmates, 1829 â 1913
The use of height data to measure living standards is now a well-established method in the economic history literature. Moreover, a number of core findings in this literature are widely agreed upon. There are still some populations, places, and times, however, for which anthropometric evidence remains thin. One example is African-Americans in the Northern US in the 1800s. Here, we use new data from the state prison in Ohio to track heights of black and white men from 1829 to 1913. We corroborate the well-known mid-century height decline among white men in Ohio, found by Steckel and Haurin (1994) using National Guard data. We find that black men in Ohio were shorter than white men, throughout the century and controlling for a number of characteristics. We also find a pattern of height decline in mid-century similar to that found for white men.
Low-temperature balloon battery Final report, 29 May - 29 Sep. 1968
Development of low temperature electric batteries suitable for balloon
Low temperature balloon battery, phase 2 Final report, 22 Apr. - 22 Nov. 1969
Low temperature rechargeable balloon batter
Study of multiple reserve electrochemical power sources Final report
High energy density electrolytic cell systems for multiple reserve electrochemical spacecraft power supplie
E.T. Phone Home: Can Hollywood\u27s Big Break Include Fixing Environmental Carnage and Human Rights Violations from Co-Productions
With the continuous rise of globalization and the interconnectivity of nations, co-productions are becoming the new âhitâ for movies and shows. When two or more foreign nations come together for entertainment purposes, co-productions are formed. How do these nations join forces for âmovie magic?â Big brother film commissions, such as the Association of Film Commissioners International and the European Convention on Cinematographic Co-Production, aid in the facilitation of co-productions.
While consumers are unaware of the details and fine-print behind these co-productions, watchers might be surprised to learn that more than one-third of Hollywoodâs productions are being produced abroad. Although these co-productions help create authentic and eye-popping storytelling, they come at a non-economic cost. Unfortunately, countries involved in these co-productions are committing environmental and human rights violations.
As co-productions become more bountiful, environmental harm comes in the wake of foreign co-productions. Countries such as Iceland, Morocco, and Thailand (commonly known for their captivating landscapes and nature) are being corroded by co-productions aftermath. As proposed in this note, the curtain has not closed quite yet. With the implantation of a new environmental monitoring position or board within film commissions overseers (such as AFCI and Council of Europe), countries and co-productions can work to form a sustainable and nature-friendly production.
Another important downfall of co-productions is the human rights violations that are buried beneath the productionâs glamorous surface. With varying cultures and societal values, co-productions may lend way to perpetuating filming countriesâ harmful norms. In fact, some countries even force these values and twist Hollywoodâs hand to film in the desired foreign location. But at what cost should human livelihoods be sidelined? This note scrutinizes some examples of co-productions that looked the other way for their âperfect shotâ and exploited natives. To counteract this narrative, this note also proposes a similar integration of a humanitarian overseer(s) in co-productions in quasi-government organizations (such as AFCI). It also proposes the potential for a complete bar on co-producing with countries known to perpetually violate human rights.
With these proposed initiatives in action and co-producers on the same page, only then should the âshow go on.
Electrodeposited inorganic separators for alkaline batteries
Coating electrodes of silver-cadmium cells with thermostable electrodeposits of calcium hydroxide or magnesium hydroxide reduces silver migration and increases cell life. Absence of organic matter enables assembled cells to be sterilized without oxidation of the material of the separators
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