Sentences with phrase «involves special chemicals»

Different subsurface rock formations and conditions require different formulations for the 0.5 % of the HF fluids that involves special chemicals.

Not exact matches

The increase in medical radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.

An important advance in bladder tumor detection involves the use of a special chemical (Cysview ®) that can be taken up by tumors.

The practice's recent representations include: (i) CONMEBOL in connection with U.S. criminal investigations and prosecutions into allegations of bribery and corruption in the international soccer world; (ii) the Special Committee of Banco BTG Pactual S.A. («BTG Pactual») in an internal investigation of alleged corruption involving its former CEO and other bank executives, in which we found no basis to support the allegations against the Bank and its employees; (iii) two of the largest construction companies in Brazil in potential civil and criminal investigations and litigation involving the Petrobras bribery scandal (Lava Jato), the largest corruption scandal in Latin American history, involving allegations of over $ 2.5 billion in bribes and kickbacks; (iv) the Government of Brazil in a corruption matter involving former senior government officials and multiple jurisdictions; (v) the General Manager of one of the largest energy companies in Central America in connection with allegations of bribery in Guatemala; (vi) a Mexican high - ranking executive for Wal - Mart Stores, Inc. in connection with DOJ and SEC FCPA investigations against Wal - Mart; (vii) a large Argentinean oil company and its owner, one of Argentina's wealthiest individuals, in connection with high - profile DOJ and SEC investigations involving alleged FCPA violations to secure an extension of oil rights in an Argentinean oilfield; (viii) the United State's largest chemical and industrial products companies in an internal investigation of alleged corruption involving its Mexican subsidiary; (ix) the Rosenthal family, one of the most prominent families in Central America, in a number of related criminal matters; and (x) a senior executive of one of Venezuela's largest engineering companies in DOJ investigations into corruption and money laundering involving PdVSA.