Racemate, a mixture of equal quantities of two enantiomorphs, or substances that have dissymmetric molecular structures that are mirror images of one another.
Racemic acid, or, more properly, racemic tartaric acid, is a mixture of equal amounts of dextrorotatory and levorotatory tartaric acids; it is customarily designated dl- or -tartaric acid.
When a mixture of equal parts of nitric oxide and nitrogen dioxide, NO2, is cooled to −21 °C (−6 °F), the gases form dinitrogen trioxide, a blue liquid consisting of N2O3 molecules.
In the extraction of citrus juices d-limonene is obtained as a by-product, and it also occurs in caraway oil; l-limonene is present in pine needles and cones; dl-limonene, or dipentene, the mixture of equal amounts of the l- and d-isomers, is a component of turpentine.
We used quartz as the reference mineral and prepared a powder mixture of equal weights of synthetic quartz and each constituent mineral within the sample to be analyzed.
The plugs were then cleaned using Soxhlet extraction with a mixture of equal volumes of toluene (C7H8), methanol (CH3OH), and pure benzene (C6H6).
where Asample is the absorbance of the tested sample; Anegative, the absorbance of the negative control (i.e., mixture of equal volumes of 2% erythrocytes and saline); and Apositive, the absorbance of the positive control (i.e., mixture of equal volumes of 2% erythrocytes and distilled water).
Clegg also has developed an oven method for making a healthy roux, usually a mixture of equal parts butter or oil and flour that's used to thicken stews and gumbos.
18-month old Aloe Vera plants were cultivated in pots with a soil substrate that was a mixture of equal parts of sand and organic matter with 18% of FC and 9% of permanent wilting point.
The lamellar arrangement of LDPE layer with respect to machine direction was obtained by dissolving the amorphous phase in solution of potassium permanganate in a mixture of equal volumes of orthophosphoric and sulfuric acid.
On d 7 of the newly induced estrous cycle, animals were assigned to three treatments all treated with new CIDRs as follows: CIDR-N, CIDR that was not manipulated; CIDR-W, CIDR immersed in water, or CIDR-E, CIDR immersed in a mixture of equal parts water/ethanol.
