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Heteroepitaxial Y1Ba2Cu3O7−x films were grown on MgO(100) substrates by using the reactive evaporation method. The in situ streak reflection high energy electron diffraction pattern of films gradually faded with an increasing thickness when the hydrogen partial pressure during growth was higher than 1×10−6 Torr. Transmission electron microscope observation revealed that the film showed heteroepitaxial growth in the early stage of coevaporation. However, as with the increase of film thickness, the quality of the film became worse and finally reached polycrystalline. These results are attributed to the accumulation of hydrogen induced defects during heteroepitaxial growth of Y1Ba2Cu3O7−x films.
We experienced a case of postoperative myocardial infarction in a 55-year-old female who didn't suffer any cardiovascular disease before the operation. This patient has developed a cancer of the right mandible. After radiation and chemotherapy (Pepleomycin) the patient was treated with surgery. The attack of chest pain developed 6.5 hours after operation (partial mandiblectomy, suprahyoidal neck dissection and right deltopectoral flap transplantation) under general anesthesia (GOF). The ECG tracings soon after the attack suggested myocardial infarction of the anterior-lateral wall. The patient was treated by Ca-antagonists, Nitroglycerin and Lidocaine at rest. The patient's progress toward recovery was satisfactory. 28 days after the first operation the secondary operation (separation of flap) was made in local anesthesia after premedication with atropine and morphine with success. From the series of ECG changes for 6 months, it was diagnosed to be acute reversible myocardial infarction followed by subendocardial infarction.
Abstract Die 1:1‐Komplexe (I) werden durch Reaktion von Tris‐[acetylacetonato]‐La und ‐Nd mit den freien zweizähnigen Basen in Äthylacetat gebildet und durch NMR‐, IR‐ und Elektronenspektren sowie Molgewichtsbestimmung als achtfach koordinierte, monomere Verbindungen charakterisiert.
A high-efficiency complementary power MOS LSI technology is developed for PWM motor drivers. A top-side PWM method with about 1% loss and fullmode detectable current sense, and low on-resistance power MOSFETs with shield structures are newly introduced.
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