In many kinds of food, PS and SB are usually compounded, for their functions are different.
The pistil is usually compound, but in a few groups (e.g., Zanthoxylum, Rutaceae) there are separate simple pistils in the flower.
The leaves are usually compound, and in some the leaflets are secondarily compound.
His vocabulary remained simple, and though his sentences were often long they were usually compound rather than complex.
Patients are usually compound heterozygous for two different mutations [ 17].
One commercial agent is azodicarbonamide, usually compounded with some other ingredients in order to modify the decomposition temperature and to aid in dispersion of the agent in the resin.
The ground is usually a compound of beeswax, bitumen, and resin.
Analysis by optical microscopy, X-ray fluorescence spectroscopy, Raman microscopy, and Scanning Electron Microscopy confirmed that the yellow pigment is usually a compound belonging to the solid solution series (As8S8)–(As8S8).
Since the starting point is usually approved compounds with known bioavailability and safety profiles, proven formulation and manufacturing routes, and well-characterized pharmacology, repositioned drugs can enter clinical phases more rapidly and at a fraction of costs incurred in the discovery and development of completely novel compounds [ 2].
The advantage is that the detection limit for these compounds is usually lower in a compound-specific strain than in a strain that reports only the effect, often in the microgram per litre range.
