siêu âm doppler tim là phương pháp rất có giá trị trong chẩn đoán cũng như tiên lượng bệnh
Multi-Threaded Game Engine Design phần 1 pptx
... it’s not very useful yet without timing data, nor would we notice any improvement with just a single function call—you must call a function thousands of times in a timed loop to get real performance ... #include #include boost::mutex mutex; boost::timer timer; const long MIL = 1000000; long MAX = * MIL; int counter = 0; ... ( std::endl; timer.restart(); boost::thread_group thrds; for (int n=0; n
- 60
- 399
- 0
USEPA REGION 9 TECHNICAL GUIDELINES FOR ACCURATELY DETERMINING VOLATILE ORGANIC COMPOUND (VOC) CONCENTRATIONS IN SOIL AND SOLID MATRICES potx
... over time periods greater than 48 hours Holding time guidelines for VOCs are given in SW846, Method 5035A, Appendix A, Table A.1 “Recommended VOC Sample Preservation Techniques and Holding Times.” ... Sample Preservation Techniques and Holding Times.” The holding time for preserved soil samples should be interpreted as 14 days from the time of sample collection (stored at 4±2oC) Due to potential ... volatilization and biodegradation losses from the sample media These in turn may have lead to an underestimate of the risk posed by VOC contaminants to public health December 2005 -5- EPA Region Technical...
- 10
- 468
- 0
Báo cáo khoa học: "Dependency Parsing and Projection Based on Word-Pair Classification" ppt
... with the current state-of-the-art models For example, r = means we reserve negative instances two times as many as the positive ones The MaxEnt toolkit by Zhang is adopted to train the ME classifier ... baseline 2nd-ordered MST parsers trained on CTB 1.0 and CTB 5.0, respectively due to the local optimization of the training procedure Given complete trees as training data, it is easy for previous...
- 9
- 328
- 0
ARGENTINA FROM A BRITISH POINT OF VIEW AND NOTES ON ARGENTINE LIFE docx
... have built a railway from a point north of Vera running into their forests, and extend it from time to time as the development of the wood industry demands They further own a line from Margarita ... fattened before passing on to the markets At the same time the Company continued the sowing of alfalfa which had been begun by the proprietor, and ultimately decided to buy the camp and use it as an ... deal of attention is paid to the preparing of the land, and thought and care are given to the seed time, the growing, and the harvest When it is found desirable to rest the land after crops of wheat...
- 213
- 379
- 0
gray - toeplitz and circulant matrices
... stochastic time series and matrix representations of linear time-invariant discrete time filters There are numerous other applications in mathematics, physics, information theory, estimation theory, ... random variables Wk with variance σ through a linear time invariant discrete time filtered to obtain the desired process The process Wk is discrete time “white” 5.1 MOVING AVERAGE SOURCES 49 noise ... convergence of individual entries in the matrix In certain cases stronger results on a type of elementwise convergence are possible using the stronger norm of Baxter [7, 8] Baxter’s results are beyond...
- 62
- 192
- 0
carbon nanotube reinforced composites. metal and ceramic matrices, 2009, p.243
... be carried out simply by dipping nanotubes into strong acids such as concentrated HNO3, H2SO4, mixed : solution of H2SO4 and HNO3, or other strong oxidizing agents such as KMnO4, HClO4 and H2O2 ... milling time Pierrad et al demonstrated that ball milling is a good method to obtain short MWNTs (below mm) with open tips [118] The length of MWNTs decreases markedly with increasing milling time ... be one of the strongest in solid materials Thus, a rolled-up CNT in which all the basal planes run parallel to the tube axis is expected to yield exceptionally high stiff and strong mechanical...
- 243
- 374
- 0
Báo cáo toán học: " Automated target tracking and recognition using coupled view and identity manifolds for shape representation" pot
... one during sequential estimation There are two possible future improvements to make this approach more efficient One is to add an annealing treatment to reduce σα over time and the other is to ... performance is evaluated based on the errors in the estimated 3D position and aspect orientation 5.2.1 Tracking Evaluation We computed the errors in estimated 3D target positions along the x (horizon) ... were estimated by making use of the camera calibration information, and one was a real-world surveillance video (the cargo van) for which camera calibration is not available and only pose estimation...
- 17
- 323
- 0
Báo cáo hóa học: " FTIR and Raman Spectroscopy of Carbon Nanoparticles in SiO2, ZnO and NiO Matrices" pdf
... thermal emittance by samples with low SUC content It was thus clear that an optimum of SUC content had to be sought The optimum for samples with high absorptance and low emittance was observed to ... spectra and those of previous experiments on C-SiO2 selective absorbers [6] is the absence of strong absorption between 2.5 and 20 lm, which signifies a great improvement in emittance characteristics ... d is the carbon cluster size, q is the wave Table Calculations of Raman shifts and grain size estimations for the C–SiO2, C–ZnO and C–NiO samples Sample xD (cm-1) xG (cm-1) ID IG xDD (cm-1) xDG...
- 6
- 534
- 2
Báo cáo hóa học: " Research Article Demosaicking Based on Optimization and Projection in Different Frequency Bands" pdf
... components of the corresponding known values; (iii) low-frequency band optimization: the low-frequency band components are enhanced by optimizing the weighted L2 -norm of the chrominance, and highfrequency ... green channel; (iv) postprocessing: the estimated color values at the locations of the known color values are replaced by the observed color values, and the estimated color values at locations of ... Postprocessing After K iterations of the optimization step, the cost function converges The full-color channels are then reconstructed using the optimized low-frequency band and the projected...
- 14
- 354
- 0
Báo cáo toán học: "Double crystals of binary and integral matrices" pot
... columns; this interpretation will reappear all the time All the same it is important that we are not forced to take this point of view: sometimes it is clearest to consider matrices just as matrices ... Mi,j ) = ni (M ) − 1; by induction ei can be applied precisely that many times to M , and so it can be applied n↑ (M ) times to M as i → claimed The statements for e← , fi↓ , and fj follow from ... i, j ∈ N; then ej (M ) = ei (M ) The same ← → holds when e↑ is replaced both times by fi↓ and/or ej is replaced both times by fj i ↑ ← Proof Note that the expressions e← (M ) and ei (M ) are defined...
- 93
- 276
- 0
Báo cáo toán học: "Permutations without long decreasing subsequences and random matrices" doc
... Brownian motion conditioned to be zero at time 1, it follows that its eigenvalues form Brownian motions conditioned not to collide and to be zero at time 1; in other words these eigenvalues form ... matrix; for this reason (up to a simple scaling factor) it can be viewed as a value at some fixed time of a matrix-valued Brownian bridge It is known [Dys62, Gra99] that the eigenvalues of a matrix-valued...
- 9
- 165
- 0
1 acoustic modelling of exhaust devices with nonconforming finite element meshes and transfer matrices
... the FE modelling of complex mufflers with perforated ducts [16] the discretization technique is time consuming and tedious, since two identical overlapped grids with duplicated nodes must be generated ... Case I; —+—, nonconforming meshes, Case II; —o—, conforming meshes Table Comparison of computation time between conforming and nonconforming approaches Node searching algorithm and mesh generation ... the element shape functions increase in degree Table shows a comparison between the computation time associated with the conforming and nonconforming approaches In particular, node searching algorithm...
- 10
- 320
- 0
Interfacial effects between the structured nanofillers and nafion matrices on the performance of h2 PEM fuel cell
... advice, patience and painstaking revisions of my manuscripts and this thesis are indispensable to the timely completion of this thesis I am also grateful to Dr Liu Zhaolin for his immense background ... capability of the membranes under 10% RH: the effect of temperature (a) and the effect of exposing time at 20 oC (b)…….166 Figure Comparison of the polarization curves of H2-PEMFC loaded with the ... structural drawbacks, such as weak moisture-keeping capability at elevated temperatures At the same time, by changing the nature of the nanofillers and the processing conditions, some of the physical...
- 221
- 389
- 0
Knowledge management capability a resource based view and comparison of public and private organizations
... KM-organizational strategy alignment is strong, the positive effect of KM technology support on KM capability is enhanced H3b: When KM-organizational strategy alignment is strong, the positive effect of ... have invested in similar physical resources, the organization with stronger senior management championship is likely to develop stronger KM capability because 40 ... favorable opportunities and mitigate negative shocks by proactively confronting uncertainty over time in a flexible fashion rather than by attempting to avoid uncertainty (Myers 1977); Transaction...
- 203
- 298
- 0
Automatic microassembly system for tissue engineering assisted with top view and force control
... micro Newton or sub micro Newton ranges and are suitable for real-time measurement, but this also leads to one disadvantage: time dependency of the measurement, which means it is not suitable ... the tissue while secreting the extracellular matrix components required to create the tissue In time the scaffold will degrade and be absorbed Chapter Introduction by the growing cells as nutrition ... changes the genetic information of an organism), non-antigenic (not producing substances that stimulate immune response), non-carcinogenic (not causing cancer), non-toxic and non-teratogenic...
- 127
- 345
- 0
Interlacing patterns in exclusion processes and random matrices
... in the boarding time tn , i e., the time it takes until all passengers are seated If the travelers are queuing in the same order as the order of their seats, then the boarding time is minimal ... (b) PNG droplet 2.2.2 Continuous time TASEP The totally asymmetric simple exclusion process on Z in continuous time is an interacting particle system For all times t, at most one particle can ... the extended (τ, x; τ , x ) for τ = τ = This is why Ktime K GUE (x, x ) = Ktime Hermite kernel 3.2.2 GUE minor process Let us forget about the time evolution for a moment and focus on the GUE minor...
- 123
- 147
- 0
Báo cáo y học: " Efficacy of the Valsalva Maneuver on Needle Projection Pain and Hemodynamic Responses During Spinal Puncture"
... control and the ball groups (p=0.001) (Table 2) The mean arterial pressure (MAP) throughout the time intervals of prespinal procedure to the third minutes after that were statistically different ... third minutes after spinal anesthesia (p=0.007) (Fig 1) The mean heart rate (HR) throughout the time http://www.medsci.org Int J Med Sci 2011, 158 intervals of prespinal to the third minutes after...
- 5
- 514
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008