نتایج جستجو برای: spectrophotometer introduction

تعداد نتایج: 381553  

Journal: :International Astronomical Union Colloquium 1982

Journal: :Journal of the Spectroscopical Society of Japan 1985

2011
Saeideh Gorji Kandi

Spectrophotometers are usually built based on one of these two kinds of geometry; d/8 (diffuse/8) and 45/0. Considering that measured or observed colors depend on the illuminating and viewing conditions, the 45/0 spectrophotometer geometry or d/8 geometry affects the results. In addition, the sample characteristics such as gloss or texture can also influence the measuring results. Therefore, th...

Journal: :The Journal of clinical investigation 1938
J G Gibson K A Evelyn

In a previous communication (1) a method was described for determining the plasma volume by injecting intravenously an azo dye "Evans Blue" and measuring the dye concentration of undiluted serum samples with the spectrophotometer. The cost of the spectrophotometer and the specialized training required for its successful operation limit the applicability of the method to the study of clinical pr...

2016
Sukhminder Jit Singh Bajwa Chhavi Sawhney

Publication has become a burning issue among Indian medical fraternity owing to certain academic and professional necessities. The large number of submissions to the anaesthesia journals has resulted in accumulation of too much below average scientific material. A properly written manuscript is the dream of every editor and reviewer. The art of preparing a manuscript can be acquired only by fol...

2014
Xavier Gabaix

P aul Samuelson (1969) was once asked by a physicist for a law in economics that was both nontrivial and true. This is a difficult challenge, as many (roughly) true results are in the end rather trivial (for example, demand curves slope down), while many nontrivial results in economics in fact require too much sophistication and rationality on the part of the agents to actually hold true in pra...

2014
Saurabh Manro

The aim of this paper is to establish some new common fixed point theorems for generalized contractive maps in fuzzy metric space by using property (E.A.), common property (E.A.), JCLRST property and CLRS property. Our results improve and extend the results of Chauhan et al. [1] and Sedghi et al. [2] besides several known results. We also furnish an illustrative example in support of our results.

Journal: :The Journal of experimental biology 2008
Jessica K Armenta Peter O Dunn Linda A Whittingham

Recent advances in portable spectrophotometers have allowed researchers to collect quantitative, objective data on colour. There are few comparisons of the different methods used to summarize and analyse spectrophotometer data, however. Using colour data on over 900 species of birds, we compared three methods of calculating sexual dichromatism using spectrophotometer data. We also compared sexu...

2016
Soranut Kittipanyangam Kanji Abe Kei Eguchi

This research aims to study about developing and demonstrating the low-cost and portable light absorbance measurement device for using and learning in analytical experiments. In chemistry experiments, the concentration of solutions is important for mixing the sample or making medicines. In present, a UV-spectrophotometer is commonly used to check the absorbance of solution for investigating con...

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