1.   Moreover, the auditors say, some Russian institutes that received U.S. money and the scientists who worked there had never done weapons-related germ or chemical research.

2.   The super-fast torpedo his company purchased from a Russian institute had been sold abroad before, and its design had been published in open, unclassified sources.

3.   But The Associated Press has learned that critical information points toward a major Russian nuclear institute as its possible source.

4.   Murogov, a nuclear physicist, heads a Russian institute that develops new reactors, including designs for burning plutonium for energy.

5.   Some of these materials are housed at Ministry of Atomic Energy facilities and other Russian institutes.

6.   The samples have been analyzed by the German Siemens concern, Gydropres and ae Russian nuclear institute.

7.   The United States has repeatedly accused Russian scientific institutes of selling missile technology and training to Iran.

8.   The three Russian scientific institutes sanctioned by the United States this week are barred from purchasing U.S.-made goods or exporting products to the United States.

9.   The Unites States imposed sanctions on a Moscow university and two other Russian institutes last week, saying they leaked weapons technology to Iran.

10.   The Unites States imposed sanctions on three Russian institutes last week because it said they leaked weapons technologies to Iran.