Excellent service, really helpful and the packaging was great (you don't want decals getting creased in the post). Great decals as long as you remember a laser colour printer uses half-toning, the CMYK colours come out well but any mixes will be half-toned, it's a limitation of the pr...
pH scaleThe fundamentals of acids and bases and how the pH scale is used to measure them. See all videos for this article Because of uncertainty about the physical significance of the hydrogen ion concentration, the definition of the pH is an operational one; i.e., it is based on a meth...
How does the amount of each pigment explain why leaves are certain colours? What is the importance of rinsing the pH electrode after each sample? Explain the difference between a cationic dye and an anionic dye in terms of cell staining. ...
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The time-scale of colour/pH changes in the caeca of 196 longfinned squid Loligo vulgaris reynauclii during digestion/absorption was tested at sea. Red, brown, dark yellow, pale yellow and white were the recorded colours. The range of mean pH for these colours was 6,0195,638. The time-...
Colours in scatterplots for hierarchical predictions indicate weights used to combine Ỹa(s) and Ỹc(s) predictions according to Eq. (6). Bottom row displays density plots of observed validation data (solid black line), predictions computed for the validation locations (dotted yellow line)...
India is the land of rich cultural and heritage of many traditions and energetic colours. India is a country that attracts the thinking power of the whole world. But beyond what we often hear, there’s a lot more to discover. In this blog, we’re going to explore the parts of that yo...
Among these bio-structures, Morpho but- terfly wing, which can display beautiful, natural-occurring iridescent colours that are produced by hindering specific frequencies of lights with periodic structures in scales2, is a good example of utilizing fine structures provided by amazing nature. Due to...
What colours do the following indicators turn when added to an acid (such as hydrochloric acid)? (a). Litmus (b). Methyl orange View Solution A beaker of concentrated hydrochloric acid has a pH of 1. What colour will full range universal indicator turn if it is added to this beaker? Is...
The mercury light is a composite light consisting of all colours in the visible spectrum. The wavelength of prominent lines emitted by the mercury source is presented in Table 6.1. The two lamps work on the principle of hot cathode positive column. Since, sodium and mercury atoms are in the...