laboratory methods and units of measurement

... values of raw WSN sheets from soft and hard wheat flour samples. Measurements of L*, a*, and b* usually give low standard deviations (SD) using the method described and this study gave mean SD of ... Japanese udon, the appearance of raw noodles is usually judged by laboratory assessments of sheet color and color stability and often supported by measurements of Com- mission International ... translucency, and gloss of boiled noodles, and to demonstrate the application of such tests on noodles prepared by both convention- al and vacuum mixing. MATERIALS AND METHODS The translucency and gloss...

Ngày tải lên: 16/12/2012, 15:25

Ngày tải lên: 05/09/2013, 16:30

... sections of the paper, the relative advantages and disadvantages of the alternative survey methods are presented and tradeoffs of important factors are explored. Questionnaire design and construction ... Satisfaction Officer SatisFaction Strategies, LLC Portland, OR 97229 SUMMARY The purpose of this paper is to help customer survey process stakeholders understand some of the inherent tradeoffs of ... of alternative survey methods. The scope addresses factors including size of the customer population, strengths and weaknesses of alternate methods, survey response rates and resource constraints....

Ngày tải lên: 18/10/2013, 12:15

Ngày tải lên: 26/11/2013, 20:44

Ngày tải lên: 17/12/2013, 15:08

... analysis. 274 OVERVIEW AND COMPARISON OF BASIC ICA METHODS methods. In some cases, however, the algorithm and the estimation principle may be difficult to separate. The properties of the ICA method depend on both of ... Comparison of, say, the traces of the asymptotic variances of two estimators enables direct comparison of the accuracy of two estimators. One can solve analytically for the asymptotic variance of b b , ... variance of the first component of ^ q , denoted by ^ q 1 , is of a smaller order than the variance of the vector of other components, denoted by ^ q 1 . Excluding the first component in (A.1), and...

Ngày tải lên: 23/12/2013, 07:19

... vector v is unique. Let U and V be two vector spaces of dimensions m and n, respectively, and L a linear transformation of U into V, and define bases B U and B V for U and V as B U = {u j } m 1 , ... (Pettinato and Stephanou, 1989). The kinematics of grasping is discussed in Chapter 4. The basic kinematic structure of a multifingered hand consists of a palm, which plays the role of the base of a ... revolute joints only, the units of the joint-rate vector are all s −1 , whereas the Cartesian velocity contains some components with units of s −1 and others with units of ms −1 . Further definitions...

Ngày tải lên: 19/01/2014, 18:20

... velocity and acceleration of a set of its points are known. Moreover, given the intermediate level of the chapter, only the theoretical aspects of the problem are studied, and hence, perfect measurements ... positioning of one point of their end-effector (EE), and a local architecture for the orientation of their EE. In this chapter, the notation of Denavit and Hartenberg is introduced and applied ... Simulation of Multibody Systems: The Real-Time Challenge W.K. Gawronski , Dynamics and Control of Structures: A Modal Approach K.C. Gupta, Mechanics and Control of Robots J. Ida and J.P.A. Bastos, ...

Ngày tải lên: 19/01/2014, 18:20

Ngày tải lên: 14/02/2014, 03:20

... reverse-joined hairpin ribozymes and engineering of twin ribozymes consisting of conventional and reverse-joined hairpin ribozyme units Sergei A. Ivanov, Ste ´ phanie Vaule ´ on and Sabine Mu ¨ ller Ruhr-Universita ¨ t ... mechanism and structure of catalytic RNA molecules, and we are now beginning to understand ribozymes well enough to turn them into useful tools. Work in our laboratory has focused on the development of ... cp(Cy5) control. Lanes 2 and 3, incubation of S20 cp(Cy5) with HP–TWRJ in the absence of initial substrate under conditions of fragment exchange reaction after 5 and 80 min. Lane 4, incubation of S20 cp(Cy5)...

Ngày tải lên: 20/02/2014, 01:20

... the roles of primary and secondary OC produc- tion is an important step toward an improved understanding and modeling of the sources, morphology and effects of aerosol OC. The technique of minimizing ... 12% and 27% of the ambient concentrations of acetone, MEK and acetaldehyde respectively in the winter and 29%, 26% and 34% respectively in the s ummer. Aerosol OC was found to be composed of 16% ... Meteorological Measurements [ 17] Additional measurements which are used in this paper are described briefly below. For a more thorough overview of the gas and particle measurement methods and results...

Ngày tải lên: 05/03/2014, 21:20

Ngày tải lên: 08/03/2014, 12:20

... advantages of these methods, the affects on the decisions of managers can be obvious. As a result, the author of this thesis hopes that the empirical study of advantages and disadvantages of ABC ... products or services and establish in their mind a whole picture about cost pool with all of items. By this way, the reliability of data and measurement will be increased rapidly and the following ... impacts and influences on the managers’ decisions by using SWOT analysis and survey results. 2.1.1 History of cost accounting methods and ABC general review A fire at the headquarters of the...

Ngày tải lên: 13/03/2014, 14:19

... Potter of NASA Ames, R. Atkinson of UC Riverside, and P. Harley and A. Guenther of NCAR are much appreciated. References Andreae, M. O., and P. Merlet (2001), Emissions of trace gases and aerosols from ... NASA DC-8 flying laboratory to measure a large number of OVOC and chemical tracers in the polluted and unpolluted Pacific troposphere. An overview of the mission payload, flight profiles, and prevalent ... OVOC and tracers in (top) the free troposphere and (bottom) the boundary layer. S and R are slopes and correlation coefficients for the linear fit. Slopes are in units of ppt/ppb for CO and ppt/ppt...

Ngày tải lên: 14/03/2014, 20:20

... understanding of the climate system and the creation of a robust observations and modeling infrastructure. However, the paucity of social science research and the separation of natural and social ... and thresholds and barriers to adaptation), of economic costs and 10 RESTRUCTURING FEDERAL CLIMATE RESEARCH need to improve our understanding of climate change and satisfy the growing demand ... of the CCSP: • Discovery science and understanding of the climate system are proceeding well, but use of that knowledge to support decision making and to manage risks and opportunities of...

Ngày tải lên: 22/03/2014, 23:20

... [11, 15, 14] and includes three steps. The first step consists of acquiring and analyzing a copy of a bot. This can be achieved for example using hon- eypots [1] and special analysis software [4, ... OVERNET and the Stormnet and observe the commu- nication to get a better understanding of it. Assume that we want to find out in the least intrusive way what type of content is published and searched ... using sandbox or network analysis tech- niques. The result of this step is a list of network locations (IP address / port) of peer services that form part of the P2P botnet. Step 2: Infiltration and...

Ngày tải lên: 23/03/2014, 13:20

... suitable cut- off values for the on-line detection of credit default events. Table 3 gives some examples of possible cut-off values and the resulting correct and incorrect classification of default events. ... make use of the patterns of payment – an alternative way to measure the status and development of accounts receivable – to analyze payment behavior and derive a profit-oriented definition of credit ... gratefully acknowledges the support of Gerhard Arminger (University of Wuppertal) and helpful comments of Annette K ¨ ohler (University of Duisburg-Essen) and participants at the 4th European Risk...

Ngày tải lên: 29/03/2014, 03:21

... In general, let u and v be vectors of spaces U and V,ofdimensionsm and n, respectively. Furthermore, let t be a real variable and f be real-valued function of t, u = u(t)andv = v(u(t)) being m-andn-dimensional ... revolute joints only, the units of the joint-rate vector are all s −1 , whereas the Cartesian velocity contains some components with units of s −1 and others with units of ms −1 . Further definitions ... which contradicts the property of proper orthogonal matrices of eq.(2.21b). Now one more representation of Q in terms of e and φ is given. For a fixed axis of rotation, i.e., for a fixed value of e, the rotation...

Ngày tải lên: 01/04/2014, 00:20

Ngày tải lên: 04/04/2014, 11:52

Ngày tải lên: 11/04/2014, 09:42