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Experimental design designs

Blocking - [AMIDES, FATTY ACID] (Vol 2) -m experimental design [DESIGN OF EXPERIMENTS] (Vol 7) -in PVAc [VINYL POLYMERS - VINYL ACETATE POLYMERS] (Vol 24)... [Pg.119]

However, the previous method, though apparently more complex, is still valid and the dispersion matrix, (X X) , gives the same invaluable information on the quality of the experimental design. Designs with fewer experiments than there are coefficients in the model cannot give model estimates. Certain designs with as many experiments as there are coefficients, or even more, have det(X X) = 0 and these cannot be used to determine the model. They are termed singular. [Pg.173]

Tel. 612-378-9449, fax 612-378-2152 Experimental design. DESIGN-EXPERT for 3D ocperimental design. PCs. [Pg.341]

It is essential for the rotating-disc that the flow remain laminar and, hence, the upper rotational speed of the disc will depend on the Reynolds number and experimental design, which typically is 1000 s or 10,000 rpm. On the lower lunit, 10 s or 100 rpm must be applied in order for the thickness of tlie boundary layer to be comparable to that of the radius of the disc. [Pg.1936]

E J, J M Blaney, M A Siani, D C Spellmeyer, A K Wong and W H Moos 1995. Measuring fersity Experimental Design of Combinatorial Libraries for Drug Discovery. Journal of dicinal Chemistry 38 1431-1436. [Pg.740]

Each observation in any branch of scientific investigation is inaccurate to some degree. Often the accurate value for the concentration of some particular constituent in the analyte cannot be determined. However, it is reasonable to assume the accurate value exists, and it is important to estimate the limits between which this value lies. It must be understood that the statistical approach is concerned with the appraisal of experimental design and data. Statistical techniques can neither detect nor evaluate constant errors (bias) the detection and elimination of inaccuracy are analytical problems. Nevertheless, statistical techniques can assist considerably in determining whether or not inaccuracies exist and in indicating when procedural modifications have reduced them. [Pg.191]

Finding the End Point Potentiometrically Another method for locating the end point of a redox titration is to use an appropriate electrode to monitor the change in electrochemical potential as titrant is added to a solution of analyte. The end point can then be found from a visual inspection of the titration curve. The simplest experimental design (Figure 9.38) consists of a Pt indicator electrode whose potential is governed by the analyte s or titrant s redox half-reaction, and a reference electrode that has a fixed potential. A further discussion of potentiometry is found in Chapter 11. [Pg.339]

Although there are only three principal sources for the analytical signal—potential, current, and charge—a wide variety of experimental designs are possible too many, in fact, to cover adequately in an introductory textbook. The simplest division is between bulk methods, which measure properties of the whole solution, and interfacial methods, in which the signal is a function of phenomena occurring at the interface between an electrode and the solution in contact with the electrode. The measurement of a solution s conductivity, which is proportional to the total concentration of dissolved ions, is one example of a bulk electrochemical method. A determination of pH using a pH electrode is one example of an interfacial electrochemical method. Only interfacial electrochemical methods receive further consideration in this text. [Pg.462]

Electrochemical measurements are made in an electrochemical cell, consisting of two or more electrodes and associated electronics for controlling and measuring the current and potential. In this section the basic components of electrochemical instrumentation are introduced. Specific experimental designs are considered in greater detail in the sections that follow. [Pg.462]

Each of these experimental designs also uses a different type of instrument. To aid in understanding how they control and measure current and potential, these instruments are described as if they were operated manually. To do so the analyst... [Pg.463]

The experimental design for cathodic stripping voltammetry is similar to that for anodic stripping voltammetry with two exceptions. First, the deposition step in-... [Pg.518]

A one-factor-at-a-time optimization is consistent with a commonly held belief that to determine the influence of one factor it is necessary to hold constant all other factors. This is an effective, although not necessarily an efficient, experimental design when the factors are independent. Two factors are considered independent when changing the level of one factor does not influence the effect of changing the other factor s level. Table 14.1 provides an example of two independent factors. When factor B is held at level Bi, changing factor A from level Ai to level A2 increases the response from 40 to 80 thus, the change in response, AR, is... [Pg.669]

To develop an empirical model for a response surface, it is necessary to collect the right data using an appropriate experimental design. Two popular experimental designs are considered in the following sections. [Pg.676]

The experimental design for ruggedness testing is balanced in that each factor level is paired an equal number of times with the upper case and lower case levels... [Pg.684]

Experimental Design for a Ruggedness Test Involving Seven Factors... [Pg.684]

In the two-sample collaborative test, each analyst performs a single determination on two separate samples. The resulting data are reduced to a set of differences, D, and a set of totals, T, each characterized by a mean value and a standard deviation. Extracting values for random errors affecting precision and systematic differences between analysts is relatively straightforward for this experimental design. [Pg.693]

Oles, P. J. Fractional Factorial Experimental Design as a Teaching Tool for Quantitative Analysis, /. Chem. Educ. [Pg.700]

This experiment examines the effect of reaction time, temperature, and mole ratio of reactants on the synthetic yield of acetylferrocene by a Eriedel-Crafts acylation of ferrocene. A central composite experimental design is used to find the optimum conditions, but the experiment could be modified to use a factorial design. [Pg.700]

Note These equations are from Doming, S. N. Morgan, S. L. Experimental Design A Chemometric Approach. Elsevier Amsterdam, 1987, and pseudo-three-dimensional plots of the response surfaces can be found in their figures 11.4, 11.5, and 11.14. The response surface for problem (a) also is shown in Color Plate 13. [Pg.700]

A standard sample containing a known amount of analyte was carried through the procedure using the experimental design in Table 14.6. The percentage of the known amount of analyte actually found in the eight trials were found to be... [Pg.703]


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See also in sourсe #XX -- [ Pg.183 , Pg.184 , Pg.185 , Pg.186 , Pg.187 , Pg.188 ]




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A perspective on statistical experimental design

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Advanced experimental design

Analysis of Experimental Designs

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Analytical method transfer experimental design

Application of statistical experimental design

Applying eigenvalue analysis to experimental design

Artificial neural networks experimental design

Basic Tools in Experimental Design

Basic experimental designs for field soil dissipation studies

Blocked experimental design

Blocking experimental design

Broad experimental design

Centered experimental designs

Centered experimental designs and coding

Central Principles of Experimental Design in Clinical Trials

Chemical mixture experiments experimental design

Chemical reaction processes experimental design

Chemometrics multivariate experimental design

Choice of experimental design

Classification studies, experimental design

Clustering experimental design

Coded experimental design matrix

Coded experimental designs

Computer software experimental design

Constraints experimental design affected

Construction of experimental designs

Consumer research experimental design

Correlated experimental designs

Cultures experimental design

Degradation studies experimental design

Dissolution testing experimental design

Doehlert design experimental matrix

Drug metabolism experimental design

Drug-excipient compatibility experimental design

Dynamic experimental design

Efficiency in Experimental Design

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Excel experimental design

Experimental Design Chart for Block-Between Method

Experimental Design Chart for the Same Species with Zenon

Experimental Design Considerations

Experimental Design Dynamic systems

Experimental Design Epidemiological

Experimental Design Multivariate

Experimental Design Process

Experimental Design Prospective

Experimental Design Randomised Blocks

Experimental Design Repeated-measures

Experimental Design Single-subject

Experimental Design and Parameter Estimation

Experimental Design and Statistical Analysis

Experimental Design of Accelerated Testing

Experimental Design of a SANS Diffractometer

Experimental Designs Part

Experimental Designs Part 4 - Varying Parameters to Expand the Design

Experimental Designs for Modeling

Experimental design

Experimental design

Experimental design 342 INDEX

Experimental design Doehlert

Experimental design External standards

Experimental design Latin-square designs

Experimental design Plackett-Burman

Experimental design Plackett-Burman designs

Experimental design Subject

Experimental design accuracy

Experimental design analysis

Experimental design analyte stability

Experimental design analytical range

Experimental design and data

Experimental design and data analysis

Experimental design and optimization

Experimental design applications

Experimental design balanced

Experimental design based

Experimental design based concept

Experimental design basics

Experimental design blocks

Experimental design calibration curve

Experimental design central composite

Experimental design chart

Experimental design chart 1 antibody

Experimental design chart controls

Experimental design chart parameters

Experimental design computation, interactions

Experimental design crossed

Experimental design data analysis

Experimental design decision limit

Experimental design defined

Experimental design description

Experimental design detection capability

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Experimental design elaborations

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Experimental design factor

Experimental design fractional factorial

Experimental design from wood

Experimental design full factorial

Experimental design general principle

Experimental design in formulation

Experimental design ionization

Experimental design limitations

Experimental design linear effects

Experimental design mathematical model

Experimental design method

Experimental design microarray technology

Experimental design mixture designs

Experimental design model matrix

Experimental design modeling

Experimental design molecule targets

Experimental design nested

Experimental design nested designs

Experimental design of tracer experiments

Experimental design optimization strategies

Experimental design pathways

Experimental design pooling

Experimental design postulated model

Experimental design precision

Experimental design principal components analysis

Experimental design qualitative variables

Experimental design randomization

Experimental design randomized complete block

Experimental design recovery

Experimental design replication

Experimental design response

Experimental design response surface

Experimental design ruggedness

Experimental design selectivity

Experimental design sensitivity

Experimental design simplex optimisation

Experimental design single-factor

Experimental design single-subject designs

Experimental design software packages

Experimental design strategies

Experimental design techniques

Experimental design techniques electrophoresis

Experimental design techniques environmental applications

Experimental design terminology

Experimental design time course experiments

Experimental design treatment

Experimental design visualization

Experimental design waxing

Experimental design with environmental variables

Experimental design, flexibility

Experimental design, hydrogenation

Experimental design, mixture

Experimental design, mixture experiments

Experimental design, pharmaceutical

Experimental design, preclinical

Experimental design, self-organization

Experimental design, statistical strategy

Experimental design---influence of parameters on the catalytic performance

Experimental designs coding

Experimental designs efficiency

Experimental designs fields

Experimental design—compound and parameter selection

Experimental mechanism design

Experimental models design

Experimental results benchmark designs

Experimental three-level designs

Experimental versus control designs

Expert experimental design with

Extending the complexity of experimental designs

Extraction factorial experimental design

Factorial design experimental standard deviation

Factorial design experimental variable

Factorial design variance, experimental

Factorial experimental design, statistical

Factorial experimental designs

Factorial model experimental design

Fermentation development experimental design

Fixed experimental design

Food protein, experimental design

Forced degradation studies experimental design

Hydrogen Exchange Mass Spectrometry Experimental Design

Incomplete block design, experimental

Influence of the experimental design

Information requirements and experimental design

Isothermal titration calorimetry experimental design

Joint design experimental analyses

LC Selectivity for Peptides Experimental Design

Least squares methods experimental design

Matrix experimental design

Method development experimental designs

Method transfer experimental design

Microarray experiments experimental designs

Microarray gene expression experiments experimental design

Modeling of Biochemical Networks and Experimental Design

Multifactor experimental designs

Multivariate data analysis and experimental design

Optimization experimental designs for

Oxidation experimental design

Ozonation experimental design

Photochemical reactor design experimental

Plackett-Burman designs experimental matrix

Planning experiments experimental design

Plutonium experimental design

Power, sample size, experimental design

Preclinical development programs experimental design

Preliminary Experimental Design

Product optimisation experimental design

Quantitative structure-activity relationships experimental design

Quasi-experimental study designs

RSM and Experimental design

Raman scattering experimental design

Regulatory requirements and experimental field design

Remarks on Experimental Design and Optimization

Research studies, experimental designs

Response surface methodology experimental designs

Robust Methodology Experimental Designs and Optimisation

Robustness Test in Analytical RP-HPLC by Means of Statistical Experimental Design (DoE)

SELECTION OF EXPERIMENTAL DESIGNS

Sample size replication, experimental design

Sampling and experimental design

Selection of Appropriate Experimental Designs

Selection of the experimental design

Selectivity optimization experimental design

Sentinel method experimental design

Sequential Experimental Design for Model Discrimination

Sequential Experimental Design for ODE Systems

Sequential Experimental Design for Precise Parameter Estimation

Sequential experimental design

Sequential experimental design rival models

Simple experimental design

Simplex experimental design study

Single-axis arm designed with experimental strains obtained

Some Considerations Regarding Experimental Design

Spectroscopy experimental design

Statistical experimental design

Statistical experimental design for

Statistical factorial experimental design techniques

Structured experimental design data

Study design and experimental methodology

Study design experimental

Surface plasmon resonance experimental design

Suspensibility correlation experimental design

Taguchi’s approach to experimental design

Technical Issues in Experimental Design

Testing methods experimental design requirements

The Design of Experimental Studies in Gas-Solid Reaction Systems

The Practice of Dynamic Combinatorial Libraries Analytical Chemistry, Experimental Design, and Data Analysis

The use of experimental designs in tablet formulation

Theory Experimental Design

Three experimental design

Transformation experimental design

Transmission study experimental design

Two-level factorial experimental design

Ultrafiltration experimental design

Use of Experimental Design in Formulation and Process Development

Validation experimental design

Vitamin experimental design

Water model experimental design

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