Results 281 to 290 of about 8,480,042 (327)

Easy and green synthesis of TiO2 (Anatase and Rutile): Estimation of crystallite size using Scherrer equation, Williamson-Hall plot, Monshi-Scherrer Model, size-strain plot, Halder- Wagner Model

Results in Materials, 2023
Md Sahadat Hossain, Samina Ahmed
exaly   +2 more sources

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Assessing the impacts of land fragmentation and plot size on yields and costs: A translog production model and cost function approach

Agricultural Systems, 2018
Hua Lu, Hualin Xie, Yafen He
exaly   +2 more sources

A Split-Plot Experiment with Factor-Dependent Whole-Plot Sizes [PDF]

Journal of Quality Technology, 2011
Problem: The dairy company FrieslandCampina had an opportunity to redesign the production process for its coffee cream. This product has a very specific viscosity, and the redesigned process had to result in the same viscosity as the old one. Approach: For an effective redesign, the investigators wanted to obtain a simple model linking the settings of ...
SCHOEN, Eric D., JONES, Bradley, GOOS, Peter   +2 more
openaire   +4 more sources

Plot Sampling with Plots of Unequal Sizes

Calcutta Statistical Association Bulletin, 1998
Assuming that the trees in the forests are randomly distributed, it is demonstrated that plot sampling with unequal sized plots generally leads to a more precise estimate of the tree parameter totals than that with plots of equal sizes. The optimUlll choice of individual plot sizes has been discussed for a given (i) total plot size and (ii) cost (with ...
Sengupta, Samindranath, Liski, Erkki P.
openaire   +1 more source

Poppe plots for size-exclusion chromatography

Journal of Chromatography A, 2005
Poppe plots provide a clear and unambiguous way to discuss the performance limits of separation systems. The effects of particle size, pressure drop and column permeability can be illustrated using such plots. The performance limits of size-exclusion chromatography are of interest, due to developments in combinatorial chemistry and high-throughput ...
Popovici, S.T., Schoenmakers, P.J.
openaire   +4 more sources

How can continuous land transfers guarantee food security? A study from the perspectives of plot size

Applied Economics
Continuous land transfer is an important direction for future agricultural policy in developing countries. However, there is little research on the impacts of land contiguity in China.
Yichao Li, Jia He, Jiaxi Zheng, Ding-de Xu   +3 more
semanticscholar   +1 more source

Optimum Plot Size and BAF

Forest Science, 1985
Abstract A method is presented for determining the plot size or basal area factor (BAF) which minimizes total cruising time to provide estimates within a stated level of accuracy. Factors affecting the optimization of plot size or BAF are discussed. Forest Sci. 31:587-594.
Charles W. Gambill, Harry V. Wiant, David O. Yandle   +2 more
openaire   +1 more source

D-Optimal Split-Plot Designs With Given Numbers and Sizes of Whole Plots

Technometrics, 2003
The design of split-plot experiments has received considerable attention during the last few years. The goal of this article is to provide an efficient algorithm to compute D-optimal split-plot designs with given numbers of whole plots and given whole-plot sizes. The algorithm is evaluated and applied to a protein extraction experiment. In addition, it
Peter Goos, Martina Vandebroek
openaire   +1 more source

X-ray diffraction analysis by Williamson-Hall, Halder-Wagner and size-strain plot methods of CdSe nanoparticles- a comparative study

Materials Chemistry and Physics, 2020
Cadmium selenide (CdSe) nanoparticles have been prepared by chemical method using sodium hydrogen selenide precursor and cadmium chloride. X-ray diffraction (XRD) study confirms the crystalline nature of the CdSe nanoparticles with Cubic Zinc blende ...
Debojyoti Nath, F. Singh, R. Das
semanticscholar   +1 more source

ON THE VARIATION OF YIELD VARIANCE WITH PLOT SIZE

Biometrika, 1956
The problem examined is that of evaluating the spatial covariance function of yield density, from a knowledge of the way yield variance varies with plot size and shape. Results are obtained in ? 3 for several kinds of plot. Results are also obtained (?4) on the dependence of the yield variance on plot geometry for very small and very large plots ...
openaire   +2 more sources