ppm

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ppm

abbr.

parts per million

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ppm

abbreviation for

1. (Chemistry) chem parts per million

2. (Broadcasting) Also: PPM peak programme meter

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ppm

1. Also, p.p.m. parts per million.

2. pulse per minute.

Translations

ppm

ABBR =parts per million → ppm

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

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O extrato de Allamanda blanchetti nas concentracoes de 10 e 1000 ppm, assim como o extrato de Momordica charantia em todas as concentracoes, apresentaram os maiores percentuais de germinacao durante a primeira contagem.

Fungi associated the seeds of Enterolobium contortisiliquum: analysis of incidence, control and effects on physiological quality with the use of plant extracts/Fungos associados as sementes de Enterolobium contortisiliquum: analise da incidencia, controle e efeitos na qualidade fisiologica com o uso de extratos vegetais

As pointed out by Lehmann (1987), the "geochemical heritage" of Sn-mineralized granites can be as little as 5-10 ppm Sn; in view of this, samples containing greater than 10 ppm Sn are regarded as Sn-enriched and have been highlighted on Figure 18.

Geochronology and lithogeochemistry of granitoid rocks from the central part of the Central plutonic belt, New Brunswick, Canada: implications for Sn-W-Mo exploration

Foliar application of micronutrient applied in two equal doses after 30 and 60 days from sowing in the form of zinc sulphate and manganese sulphate at rates of 50 ppm Zn and 100 ppm Mn, respectively.

Micronutrient and compost induced changes of growth, yield, nutrient and phytochemical content of canola grown in saline soil

The concentrations of applied plant growth regulator were 0.1 ppm for NAA, 2 mM for Spd, 0.5, 1.5 and 2.5 ppm for KN and BA.

The effect of cytokinens and spermidin on micropropagation of Rosa sp. Cv. 'Angelina'

Table 1 data were obtained with the refrigerant contaminated with 50 ppm m/m of moisture and Table 2 data were obtained with the refrigerant contaminated at a higher concentration of 300 ppm m/m moisture.

Effect of lubricant on the distribution of water between vapor and liquid phases of refrigerants

Phosphorous solubilization in soil was studied by incubating 100 g of soil with tricalcium phosphate to provide 200 ppm of phosphorous.

Impact of fungicide mancozeb at different application rates on soil microbial populations, soil biological processes, and enzyme activities in soil

224-226[degrees]C; IR ([V.sub.max], [cm.sup.-1]): 1728 and 1148; [sup.1]H NMR (300 MHz, CD[Cl.sub.3]) [[delta].sub.H]: 0.28 (s, 6H), 0.96 (s, 3H), 1.04 (s, 9H), 1.24-1.36 (m, 4H), 1.50-1.90 (m, 3H), 2.10-2.22 (m, 4H), 2.46-3.00 (m, 4H), 6.70 (m, 1H, J = 1.00 Hz), 6.78-7.36 (m, 2H) ppm. [sup.13]C NMR (75.4 MHz, CD[Cl.sub.3]) [[delta].sub.C]: -4.40, 13.45, 18.06, 21.70, 25.66, 25.80, 26.44, 29.50, 31.20, 35.18, 37.00, 43.40, 48.12, 49.14, 117.02, 119.90, 125.88,132.08,137.50,153.30, 219.64 ppm.

Design and synthesis of an indole-estrogen derivative

In comments submitted to the EPA, Keith Buchanan and John Harkins, Sunoco Logistics, said, "We support maintaining the current 95 ppm downstream per gallon gasoline sulfur cap to enable the current practices of pipeline interface handling.

Hazardous liquids pipelines worry about tier III proposal

The range of values from 178 ppm (UVM) to 1,103 ppm (UNH) is surprising to say the least.

Soil test comparisons

In essence a PPM methodology is about having accurate information in the right view in order to facilitate the process of making the best choices, taking the applicable constraints into consideration.

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Eight replicates were sprayed with 500 ppm aqueous Altriset[R] and eight control replicates were sprayed with water.

Efficacy of Altriset[R] on the tropical arboreal termite, Nasutitermes corniger (Isoptera: Termitidae: nasutitermitinae)

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