a river in Komi-Permiak National Okrug, Perm’ Oblast, RSFSR. A right-bank tributary of the Kama River. It flows into the Kama Reservoir, whose headwaters extend for 50 km up its course. Length, 257 km; basin area, 5,920 sq km. It arises in the Verkhnekama Upland and is fed chiefly by melting snow and groundwater. The average rate of flow at the village of Agishevo, 30 km from its mouth, is 29 cu m per sec. The In’va freezes over in the beginning of November and thaws in late April. Its major tributary is the Velva, which enters it from the left. The river is used to float logs and is navigable on its lower reaches. The city of Kudymkar is situated at its junction with the Kuvy River.

References in periodicals archive ?
Amplification of an invA gene sequence of Salmonella typhimurium by polymerase chain reaction as a specific method of detection of Salmonella.
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A 21-bp forward primer and a 21-bp reverse primer, targeting the invA gene of Salmonella sp.
Mr Roberts, who works for the Canal and River Trust, said: "The course is inva luable.
SeeNews) - Nov 12, 2012 - Brazilian brokerage house Inva Capital excluded local miner and steelmaker Companhia Siderurgica Nacional (SAO:CSNA3), or CSN, from its November 2012 recommended stock list.
The primer pair is based on the sequence of invA gene of Salmonella.
Jessica Aubin, Joshua Boucher, Katherine Boucher, Katelyn Brunelle, Peter Bui, Liz Calcano, Nicole Carpenter, Inva Durmillari, Matthew Epstein, Frank Flynn, Nabil Georges, Kathryn Goyette, Anne Harris, Anna Hunt, Lindsey Kachadorian, Mariam Malaver, Kambale Matsongani, Ivanna Mercedes, Alexandria Paladino, Alexander Papoojian, Brittany Powers, Feliz Santiago, Vanessa Urbina, Chrysta Vario and Angela Vizzo were named to the dean's list for the spring 2012 semester at Assumption College.
Let TqinvA denote the set of all topologically quasi-invertible elements in A, QinvA the set of all quasi-invertible elements in A and, for a unital topological algebra A, let TinvA denote the set of all topologically invertible elements in A and InvA the set of all invertible elements in A.
Past winners from Domingo's Operalia Competition also feature in the concert, including soprano Inva Mula, baritone Erwin Schrott and the 2010 victor, Bulgarian soprano Sonya Yoncheva.