Výsledky vyhledávání - "Allerton S. Cushman"

The production of available potash from the natural silicites

Autor: Allerton S. Cushman, George W. Coggeshall

Publikováno v: Journal of the Franklin Institute. 174:663-678

In this paper a summary is given of the various processes which have been proposed for making the potash in the natural silicates available as a fertilizer. Experimental trials of a new rotary kiln process for treating feldspar are described, which d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d929896665f1b3e42fb481cb71385f17
https://doi.org/10.1016/s0016-0032(12)90741-3

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Water power development and the food problem

Autor: Allerton S. Cushman

Publikováno v: Proceedings of the American Institute of Electrical Engineers. 35:541-550

The great increase in population of the United States has been chiefly in urban districts while the increase in population. in rural districts has been comparatively small. This results in a continuously growing demand for food with a relatively smal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad2b9ac1007e29cb2a9f88485aa7c4c9
https://doi.org/10.1109/paiee.1916.6590616

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