In a small bowl combine the broth, rice wine and cornstarch. Heat a wok or 12 inch skillet over high heat until a bead of water vaporizes within 1 of 2 seconds of contact. Swirl in 1 tablespoon of the oil, add the ginger slices, and stir-fry 10 seconds or until the ginger is fragrant. Add the carrots and stir-fry 30 seconds or until the carrots are just coated with the oil. Swirl in the remaining 1 tablespoon oil, add the bok choy sprinkle on the salt and Sichuan peppercorns adn stir-fry 1 minute or until the leaves are just limp and the bok choy is bright green. Re-stir the broth mixture and swirl it into the wok. Cover adn cook 30 seconds. Uncover and stir-fry 30 seconds to 1 minute or until the bok choy is just crisp tender.