Change in compound concentration for the samples
Estimation of the variance for different estimators of the change over time for overlapping samples
... the samples for producing estimates in two different time are not independent each other, due to the rotation operations of the ...overlapping samples between two occasions (Gazzelloni (2006), Ceccarelli et ...
130
Forecasting Macroeconomic Variables Using Diffusion Indexes in Short Samples with Structural Change
... short samples with structural ...structural change, and compare the relative forecasting performance of factor models and more traditional time series ...short samples are officially available and ...
52
Determination of Lead Concentration in Human Biological Samples
... 1.12 Lead and Hypertension Lead has also been suspected of increasing the risk for hypertension. Studies shows that statistically significant linear association between blood Lead concentrations and elevation of blood ...
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Concentration of Aflatoxin M₁ and selected heavy metals in mother milk samples from Pakistan
... Reuse This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND) licence. This licence only allows you to download this work and share it with others as long as ...
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Measurement of Radon Concentration of Air Samples and Estimating Radiation Dose from Radon in SARI Province
... physical change or change in its internal structure is established are excluded from the ...take samples (woman and man) have the necessary training to residents (houses the city according to the ...
6
Compound Poisson point processes, concentration and oracle inequalities
... new concentration inequalities for DCP processes is that we want to show that the KKT conditions of the NB regressions with Lasso penalty (wuth a tuning parameter λ) is a high-probability ...the ...
28
The Distribution of the Concentration Ratio for Samples from a Uniform Population
... In the present note (Section 2), we calculate the joint probability density function (p.d.f.) of the random sam- ple of size n and, then, the joint p.d.f. of the n order statistics. Hence, we transform one of the order ...
15
Change in urban concentration and economic growth
... 29 From a theoretical perspective similar points can be made. Comparing our results to the theoretical literature, it seems that NEG models, which predict a growth promoting effe ct of concentration, have done a ...
46
Determination of uranium concentration in ground water samples of Northern Greece
... pre- concentration and separation of uranium by cation exchange (Chelex 100 resin) and its alpha radiometric determination after electrodeposition on stainless steel discs was ...
7
Concentration of Salicylic Acid in Tomato Leaves after Foliar Aspersions of This Compound
... This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract Increased plant tolerance to stress may be chemically induced with ...
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Detection of salmonella in food samples using exogenous volatile organic compound metabolites
... 4 samples with a high degree of specificity in terms of key VOCs it is necessary to determine the enzyme activity exhibited by Salmonella to modify the growth medium by the addition of a desired substrate that ...
350
Hydroxide ion concentration at an interface between concrete and a self-levelling flooring compound
... degrade the flooring. Another case is when the humidity of a floor construction increases e.g. due to construction changes. One should also be aware of that for example PVC-flooring plasticisers might migrate down into ...
12
Comparision Of Nutrients Concentration In The Pond Water Samples Near Hospital Areas
... Nutrients play a major role in the growth of aquatic plants and animals. Nutrients come from a variety of sources. Nutrient pollution, a form of water pollution, refer to contamination by excessive inputs of nutrient. ...
6
The advantages of linear concentration-response curves for in vitro bioassays with environmental samples
... Effect concentrations derived from low-effect level linear concentration-response 39.. models facilitate simple derivation of relative effect potencies and the correct [r] ...
25
Determination of arsenic concentration and physiochemical characteristics of water samples from Babagorgor fountain
... the concentration of arsenic species (arsenite and arsenate) in the sample were measured at 239 and 357 ppb, respectively, by the SDDS ...arsenic concentration in drinking water is 10 ...the ...
5
Measurement of Radon Concentration and Radioactivity in Soil Samples of Aramoko, Ekiti State, Nigeria
... radon concentration of soil samples in Aramoko, Ekiti State, Nigeria were ...activity concentration of 222 Rn in the soils was found to be ...radon concentration and 238 U was found to be ...
6
Determination of alpha particles concentration in some soil samples and the extent of their impact on health
... radon concentration, the exhalation rates and the radiation exposure from samples of soil collected from different sites at Hebron province in Palestine were measured using the sealed-can technique based on ...
9
Indoor Radon Concentration for Phosphate Rocks Samples Using CR-39 Detector.
... Radon concentrations and exhalation rate were measured using Can Technique with CR-39 plastic track detectors for phosphate rocks samples from Safaga and El-Hamrawayn areas in the Eastern Desert, Egypt. The values ...
7
Assessment of Natural Radioactivity Concentration and Dose in Surface Soil Samples from Atbara
... Sudan Abstract: Gamma-ray spectroscopy system using NaI (Tl) "1.5×2" detector in low-background with 24 hour. has been used to determine the soil radioactivity concentrations of Th-232, U-238 and K-40 in 11 soil ...
8
Gram-negative and -positive bacteria differentiation in blood culture samples by headspace volatile compound analysis
... culture samples origi- nating from an unselected patient population has the potential to differentiate between Gram-negative and -positive bacteria despite a large biodiversity present in human blood culture ...
8