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| 1 | ADVANCED WAYS OF IMPROVING THE WELDED STRUCTURES显示文摘A package of work is presented on development of highly effective welded structures, currently conducted by the E. O. Paton Electric Welding Institute. New types of cost - effective and reliable welded struc- tures have been developed, including light - weight building structures, bridge frameworks, TV tow- ers, heavy - duty structures from high - strength steels, large-sized stringer panels and shells, unique structures of a transformable volume. A series of methods of investigations of welding stresses and strains have been created, they being characterized by a high accuracy and information content. The physical and mathematical fundamentals of optical simulation of welded stresses have been estab- lished and the theory of their similarity has been constructed. Holographic methods of investigation of the quality and stressed - strained state of welded joints have been advised. Portable holographic sys- tems for been been developed which allow investigations to be conducted without the vibration - insulation facilities. A non-destructive testing method of residual stresses determination has been elaborated based on ultrasonic probing of the appropriate sections of the welded structure. A new trend has been formed, namely the distortion - free welding of structures, which is based on regulation of the thermal processes during welding with the aim of reduction of the heat input and inducing the preliminary stressed - strained states optimized in terms of welding stresses and strains. Specialized procedures and equipment based on the acoustic emission effect have been developed for diagnostics of welded structures. The technology and equipment have been for ultrasonic impact treatment of welded joints in or- der to improve their fatigue resistance, as well as computerized methods for design of welded joints and structures. | L. M. Lobanov (The E. O. Paton Electric welding Institute of the National Academy of Sciences of Ukraine, kiev,Ukraine) | 2000 | Acta Metallurgica Sinica(English Letters)2000，13，1： | 3 |
| 2 | ON CORRECT ACCOUNT OF FINITE ROTATIONS IN FINITE PLASTICITY THEORY显示文摘The non-uniqueness of the transition from nonobjective constitutive relations to objective oneswith the use of the principle of material frame-indifference(PMFI)is shown.To eliminate it,the concept offinite strain without rotations(FSWR)for a given material type and each strain component(elastic,plastic)is introduced.In FSWR the rotation is excluded with respect to the natural preferred configuration for agiven material.Considered are a simple solid,a liquid,a mouocrystal,a polycrystal and a composite.Theprocedure is proposed lbr consistent generalization of known infinitesimal relations for finite strains and rota-tions.The structure of constitutive relations is derived for anisotropic elasto-plastic mono-and polycrystallinematerials. | V.I.LEVITAS (Institute of Superhard Materials of the Ukrainian Academy of Sciences,Kiev,Ukraine) | 1992 | Acta Mechanica Sinica1992，8，3： | 2 |
| 3 | Double-blind comparison of citalopram and placebo in depression outpatients with meloncholia 显示文摘 | Mendels Kiev A Fabre LE | 1999 | Depression Anxiety1999，9，2： | 1 |
| 4 | Double-blind comparison of citalopram and placebo in depressed outpatients with melancholia显示文摘 | Mendels J Kiev A Fabre LF | 1998 | Depress Anxiety1998，9，： | 1 |
| 5 | Intrathoracic malignant peripheral nerve sheath tumor in neuroribromatosis 显示文摘 | Chao BH Stogner-Underwood KA kiev J | 2008 | J Chin Oncol2008，26，13： | 1 |
| 6 | Double-blind comparisons of citalopram and placeboin in depression outpatients with melancholia显示文摘 | Mendels J Kiev A Fabre LF | 1999 | Depress Anxiety1999，9，1： | 1 |
| 7 | Double-blind comparison of citalopram and placebo indepression with melancholia显示文摘 | Kiev A Fabre LF | 1998 | Depress Axiety1998，9，： | 1 |
| 8 | 2 -Aryloxymethylmorphaline histamine H3 antagonists显示文摘 | Michael A Letavic John M Keith Kiev SLy | | 0，，21： | 1 |
| 9 | Double-blind comparison of citalopram and placebo in depressed outpatients with melancholia显示文摘 | Memdels J Kiev A Fabre LF | 1999 | Depress Anxiety1999，9，： | 1 |
| 10 | Double-blind comparison of citalo pram and plalebo in depressed outpatients with melancholia显示文摘 | Mendels J Kiev A Fabre LF | 1999 | Depress Anxiety1999，9，2： | 1 |
| 11 | Double-blind compaison of citalopram and placebo in depressed out patients with melaacholi显示文摘 | Mamdels J Kiev A Fabre LF | 1999 | Depress Amxiety1999，9，2： | 1 |
| 12 | Weldability of commercial aluminum-lithium alloys显示文摘 | Ilyushemko R V Kiev | 1993 | Aluminum1993，69，4： | 1 |
| 13 | Efficacy and safe-ty of 30 mg/d and 45 mg/d nemifitide compared to pla cebo in major depressive disorder显示文摘 | Montgomery S A Feighner J P Sverdlov L Shrivastava R K Cunningham L A Kiev A | 2006 | Int J Neuropsy chopharmacol2006，9，： | 1 |
| 14 | DEVELOPMENT OF EFFECTIVE TECHNOLOGICAL PROCESSES OF HIGH-STRENGTH STEEL WELDING显示文摘Composition and service properties of high - strength low-alloyed steels with 590-980 MPa yield strength,which find an application in Russia, Belorus,Ukraine and other countries of the former USSR in manufacture of welded structures of a powerful mining and transport machinery, are given. Electrodes and wires for main processes of arc welding of these steels have been devel- oped on the basis of a rational use of different systems of alloying (08KhN2GM,08KhNG2M, and also economical systems of type 10G25, ect. ). Main approaches to the technological provess- es of manufacture of structures of high - strength steels are formulated.They are mainly directed to the weakening of de offect of the factors which contribute to a delayed fracture of joints (diffusive hydrogen,unfavourable rates of cooling,level of residual stresses). When there are no stress concentrators (and at a low level of residual stresses) the welded joints of these steels have a good resistance to fatigue and brittle fractures.As a rule, they are prevented with the help of the known approaches.It is shown that in addition to them and due to a proper selection of conditions of welding the life of welded joints of the high - strength steels can be 1. 2 - 1. 4 times in- creased. | L.I.Mikhoduj (The E. O. Paton Electric Welding Institute, NAS of Ukraine,Kiev,Ukraine) | 2000 | Acta Metallurgica Sinica(English Letters)2000，13，1： | 1 |
| 15 | Double-blind comparison of Citalopram and placebo in depressed outpatients with melancholia 显示文摘 | Mendels J Kiev A Fabre LF | 1999 | Depress Anxiety1999，9，： | 1 |
| 16 | Double-blind comparison of citalopram and placebo in depressed outpatients with melancholia显示文摘 | Memdels J Kiev A Fabre LF | 1999 | Depress Anxiety1999，9，： | 1 |
| 17 | Double-blind compaison of citalopram and placeboin depressed out patients with melaacholi显示文摘 | Mandels J Kiev A Fabre LF | 1999 | Depress Amxiety1999，9，2： | 1 |
| 18 | Double-blind comparison of citalopram and placebo in depressed outpatients with melancholia显示文摘 | Mendel S Kiev A Fabre 1 | 1999 | Depress Anxiety1999，9，： | 1 |
| 19 | Double-blind compari- son of Citalopram and Placebo in depressed out-patients With Melancholia显示文摘 | Mendels J Kiev A Fabre LF | 1999 | Depress Anxietg1999，9，2： | 1 |
| 20 | Colobronchial fistula as a rare complication of coloesophageal interposition: a unique treat- ment with a review of the medical literature显示文摘 | Zhao X Sandhu B Kiev J | 2005 | Am Surg2005，71，12： | 1 |
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