Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

1,848 results
  1. Preservation of Bacterial Cultures on Silica Gel ... Preservation of Bacterial Cultures on Silica Gel Produced: 1 January 1952 Lederberg, Joshua Essays Archival Materials Text 1 pages nlm:nlmuid-101584906X7859-doc 101584906X7859 http://resource.nlm. ...
  2. NLM Digital Collections - Rules relating to the control of silica dust in stone crushing operations 
    Publication: Albany : State of New York, Department of Labor, Board of Standards and Appeals, 2nd July 1941
    Rules relating to the control of silica dust in stone crushing operations ... Silicon Dioxide -- adverse effects ... Rules relating to the control of silica dust in stone crushing operations New ... Dust -- prevention & control Silicon Dioxide -- adverse effects Occupational ...
  3. ... and-man- ganese, some traces of alumina and silica, gela- tin, fat, and water. The use3 of ... magnesium, sulphates of magnesia and lime, sulphur, and silica. The temperature is from 78° to 9s>° Fahrenheit. ...
  4. ... saline salts. There is an unusual amount of silica in the Pittville saline; A1INERAL AYATERS. 413 while ... are also small quantities of sulphate of potash, silica, iodide of sodium, and bromide of magnesium; with ...
  5. ... soil, the residue is mostly a compound of silica with alumina, iron, lime, magnesia, &c. usually called Silicates, be- cause the silica is regarded as acting the part of an ...
  6. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson ..., Fry and Kammerer, printers, 1810
    ... expressed by placing the signs of soda and silica side by side, 41; the liquor silicum, by ... gradation from the insipidity, insolubility, and infusibility of silica, to the causticity, solubility, fusibility, and comparative volatility ...
  7. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson ..., William Fry, printer, 1814
    ... or Y. for yttria, alumina Al. zirconia Z. silica SI. The fifth genus is a circle, 11. ... expressed by placing the signs, of soda and silica side by side, 41; the liquor silicum, by ...
  8. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson and Son ..., William Fry, printer, 1818
    ... Bu- I Sidero-calcite - - - 2 837 T. 2 Silica .... 2.66 K. «o Slate, common schistus - 2. ... Malic, Fixed oils. Acetic, Sulphurous, Nitric, Boracic, Prussic, SILICA. Acid. Fluoric, Potass. Fluoric, OXYD OF ARSENIC Ammonia. ...
  9. NLM Digital Collections - Locus of impaction of particulates 
    Publication: [Japan?] : GHQ Technical Intelligence Department, 15 December 1948
    ... con- nective tissues I, KURODA i 4 i Silica dust (89-93* 3102) deposited in alveoli 90$ ... thelial cells of trachea K. KCBAYASHI Deposition of silica dust (47- 57$ free silica) in alveoli 72. ...
  10. ... MOltO* . CO tO to s Organic dusts : : : : M: b s Silica dust • £> • O • • • 05M* • • • o 00 • • • bo p Dyes ... Silicate dusts Organic solvents Mineral acids Organic dusts Silica dust Dyes Coal tar products Salts Other metals ...
first · previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · next · last