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Ngày tải lên: 12/08/2014, 20:20

... xuất huyết và tổn thưong não. -Sinh non : Trẻ sinh truớc 9 tháng hay sinh dưới 2 kg có nhiều nguy cơ bị bại não . Ở các nước giàu, một nửa các trưòng hợp bại não là do sinh non. 3.3. Nguyên nhân ... đơn để làm giảm co cứng xem ra không có hiệu quả. Điều trị ngoại khoa trong một vài trường hợp có thể có ích như trong trường hợp co cứng trầm trọng. Ngoại khoa chỉ có thể được đặt ra khi đứa ... Tại Viêt Nam hiện chưa có thống kê về sô trẻ bại não trong phạm vi toàn quốc . Số liệu trẻ bị chứng bại não qua một số công trình trong nước như sau : Theo Lê Các, tại 13 xã huyện Điện Bàn...

Ngày tải lên: 25/10/2012, 11:22

... G|ϕ  x ⊗ ϕ  x  by definition. Conclusion. To get H a b ≥ 0 whenever (2.7) is satisfied, it suffices to start with a function ϕ with nonvanishing gradient, and then replace ϕ by f(ϕ) with f  > 0 and ... optics solutions for the Schr¨odinger equation concentrated near planes are constructed in [6] and concentrated near spheres in [8]. Much less is known if the DN map is only measured on part of ... function has a nonvanishing y-gradient at y = y 0 , in contradiction with (6.14). Thus, x 1 = x 2 , or in other words, x 1 and x 2 belong to the same half-ray through x. Taking the x-component...

Ngày tải lên: 16/02/2014, 06:20

... M 0 × G, and M with M × G. The resulting constructions and definitions will yield objects on M × G that are invariant with respect to the action of G on itself by right translations. We now proceed ... to identify a distribution with small support in (G 2 x )/Γ with a distribution with support in a small subset of M 2 0 . These identifications then extend by summation along the fibers of τ :(G 2 x )/Γ ... ),σ (m  ) (Q)}. Proof. The Poisson structure on T ∗ M 0 is induced from the Poisson struc- ture on A ∗ . In turn, the Poisson structure on T ∗ M 0 determines the Poisson structure on A ∗ , because T ∗ M 0 is...

Ngày tải lên: 16/02/2014, 06:20

... hydrophilic region of the protein, a region rich in amino acids with a higher than average contribution to the UV optical absorption and protonation of amino g roups by electrospray ionization, leading ... dissociation in a low ion ic strength solution. Information was collected on the possible supramolecolar organization and how some types of environmental stress may interfere with i t. In low ionic ... sulfur- and nitrogen-deficient conditions contained less b-phycocyanin; this only had a marked effect on band 5, the heaviest one, consistent with th e idea that this band contains mainly b-phycocyanins....

Ngày tải lên: 08/03/2014, 16:20

... selection of on- line resources on risk communication Guidelines for scientists on communicating with the Media 15 A summary and checklist l All scientists have a professional responsibility ... more widespread divisions of opinion within medical circles – a misrepresentation that led many parents to withdraw their children from vaccination schemes. All scientists have a responsibility to present ... shown in Box 2. The guidelines on risk communication presented here are common to many of these and are ones that have been identified by contributors to the consultation process as the most significant. Voluntary...

Ngày tải lên: 08/03/2014, 19:20

... along ‘non- geometrically related’ generalized broken bicharacteristics continuing the afore- mentioned segment than along ‘geometrically related’ ones. Roughly, ‘geomet- rically related’ continuations ... localized version; i.e., u ∈ H 1 0 (X) if for all φ ∈ C ∞ c (X), φu ∈ H 1 0 (X). At the end of the introduction we also consider Neumann boundary conditions. The statement of the propagation of singularities ... related consequence of this estimate is that for microlocal solutions of P u = 0, u ∈ H 1 0 (X), WF 1,m b (u) agrees with the b-wave front set of u defined with respect to the more traditional L 2 space. Lemma...

Ngày tải lên: 15/03/2014, 09:20

... assumption that there is of necessity one thing, i.e. that we consider only models with non-empty universes. DET is a generalization of modus ponens. It allows to add (a variant of) the consequent ... truth of the conclusion in (17) depends on the fact that it is derived from the conditional. It, the- refore, must be treated as correlated with the conse- quent of the conditional under any ... also with respect to the consequence relation defined in Section 2 the- se rules (for the fragment without disjunction) will be discussed only briefly in Section 4. The change in the deduction...

Ngày tải lên: 18/03/2014, 02:20

... these papers is a discrete construction technique since the corresponding metrics constructed by continuous unit endo -deformations are isometric. This section is concluded by describing those ... the old one. Note that no restriction on dim(z) is imposed in this case. These deformations are of discrete type, however, which can be considered as the generalizations of defor- mations considered ... then, by the Reduction Theorem 4.1 of [Sz5], a σ-deformation is equivalent to the simpler deformation where one performs σ-deformation only on the anticommutator A. That is, only A is switched...

Ngày tải lên: 29/03/2014, 07:20

... profiler for smartphone apps. Compared to profiling the runtime of ap- plications running on conventional com puters, profiling en- ergy consumption of applications running on smartphones faces a unique ... eveloper in the app energy optimization cycle. 10. Conclusion This paper m akes three contributions towards answering the ultimate question faced by millions of smartphone users and developers today: ... per- sists beyond a progra m entity (e.g., a routine ); (c) Exotic components: Newer compone nts like camera and GPS start consumin g high power once switched on in one entity, and often continue till...

Ngày tải lên: 29/03/2014, 14:20

Ngày tải lên: 12/06/2014, 11:27

... NeuroEngineering and Rehabilitation Open Access Methodology A novel method for neck coordination exercise – a pilot study on persons with chronic non-specific neck pain Ulrik Röijezon* 1,2,3 , Martin Björklund 1,3 , ... most difficult condition and a successively reduced trial time on each condition during the intervention period. These results confirm that the design of the task and the progression of difficulty were ... the first two-three training sessions. Finally, on the open question about strategies used for the exercise task eight subjects men- tioned deep concentration on the task, six subjects to take...

Ngày tải lên: 19/06/2014, 08:20

... decomposition (EMD) technique has been developed recently with a view to analyze time- frequency distribution of nonlinear and nonstationary data. It is an adaptive decomposition with which any ... (1) where N is the number of IMFs, r N (t) is the residue which is a constant, a monotonic, or a function with only maxima and one minima from which no more IMF can be derived, and c j denotes IMF. We ... “Barrow sounding balloon data.” REFERENCES [1] N. E. Huang, Z. Shen, S. R. Long, et al., “The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis,”...

Ngày tải lên: 21/06/2014, 22:20

... Sections 3 and 4 present two construction schemes of Z-complementary sequences on the basis of orthogonal matrix expansion and interleaving operation, respectively. Some potential applications ... and the intergroup ZCCZ is 8. 4. Sequence Construction Based on Interleaving Ite ration According to Construction 1, the orthogonal matrix expan- sion method assures that the generated Z-complementary sequences ... Based on Sequences with Periodic and Aperiodic Zero Correlation Zone Zhenyu Zhang, 1, 2 Wei Chen, 1 Fanxin Zeng, 2 Hua Wu, 1 and Yuanhong Zhong 1 1 College of Communication Engineering, Chongqing...

Ngày tải lên: 21/06/2014, 23:20

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Ngày tải lên: 11/08/2014, 23:21

Ngày tải lên: 12/08/2014, 01:21