1 single phase contrast enhanced dual energy acquisition with first generation dual source ct
Báo cáo y học: " Enhanced protein-energy provision via the enteral route in critically ill patients: a single center feasibility trial of the PEP uP protoco" ppsx
... energy and protein received during the early stages of ICU admission impacts on patient mortality [4] A review of current practice in ICU patients worldwide shows that the actual amounts of energy ... protocol, "The Enhanced Protein -Energy Provision via the Enteral Route in Critically Ill Patients: The PEP uP Protocol." Materials and methods This is a prospective before and after study conducted in ... Susan Fleury, research personnel associated with and funded by Queen's University, for their assistance in conducting this project The funding for this project was provided by Faculty of Heath Sciences...
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Single phase uninterruptible power supply based on z source inverter
... switches at the same phase leg These zero vectors are allowed in the Z -source inverter, whereas they are forbidden in the voltage source inverter Because of this unique feature of the Z -source inverter, ... Zero-Vector Control As mentioned earlier, the shoot-through zero vectors are allowed in the Z -source inverter These zero vectors can be controlled to boost the capacitor voltage in the Z -source ... shows the output voltages for both the traditional UPS with the voltage source inverter and the proposed UPS with the Z -source inverter, respectively, when the battery bank voltage declines by 20%...
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Chapter 9 unbalanced operation and single phase induction machines
... SINGLE -PHASE INDUCTION MACHINES out of phase when the phases are connected to the same single -phase source This provides a starting torque, and the start winding is generally mechanically disconnected ... twophase induction machine to be out of phase To accomplish this the impedances of the stator windings are made unequal For example, the split -phase machine is a two -phase induction motor with ... Operating Characteristics of Single -Phase Induction Motors The steady-state torque versus speed characteristics are shown in Figure 9.8-2 for a symmetrical two -phase induction motor with rated voltage...
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Single phase fully controlled rectifier
... single phase half wave controlled converter always operates in the conduction mode The voltage form factor of a single phase fully controlled half wave converter with a resistive inductive ... converter with a resistive load The load current form factor of a single phase fully controlled half wave converter with a resistive inductive load is _ compared to the same converter with a ... continuous conduction for α < π/2 without making any modification to the converter or load connection To supply power, the load EMF source can be utilized However the connection of this source in Fig...
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Single phase uncontrolled rectifier
... Single phase uncontrolled full wave rectifier have higher average output voltage and improved ripple factor compared to a half wave rectifier with resistive and inductive load • With highly inductive ... Kharagpur Displacement Factor of a Rectifier (DPF): If vi and ii are the per phase input voltage and input current of a rectifier respectively, then the Displacement Factor of a rectifier is defined ... Input “power factor” of a rectifier is given by the product of the _ factor and the factor The sum of “firing angle”, “Extinction angle” and “overlap angle” of a controlled rectifier is...
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Báo cáo hóa học: " Glycerol conversion to 1, 3-Propanediol is enhanced by the expression of a heterologous alcohol dehydrogenase gene in Lactobacillus reuteri" ppt
... / product formation (g/g h) PDOR), with increased ethanol production A similar diminishing activity of the native 1, PDOR is perceived in L reuteri HR2, along with elevated rates of lactate and ... 5’-CATG CCATGG ACAACAACTTTAATCTGCACACC-3’ yqhDR (Reverse) 5’-CCG CTCGAG TTAGCGGGCGGCTTC-3’ PorfXF (Forward) SppIP 5’-TGAAAATTGATATTAGCG-3’ MAGNSSNFIHKIKQIFTHR The restriction sites in the primers ... uptake, product and byproduct formation rates significantly (Figure 5) The specific production rate of 1.38 g/g h for 1, 3-PD in the recombinant strain achieved during the log phase after induction,...
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Báo cáo hóa học: " Automatic Characterization of Myocardial Perfusion in Contrast Enhanced MRI" pptx
... Characterization of Myocardial Perfusion in Contrast Enhanced MRI 415 H(Q) = − ROI selection Registration M N log i=1 HisQ (i) · HisQ (i) M As well, the joint entropy of two images Q and K with ... defined to be a vector field v(x) that minimizes the following functional: ε= µ|∇v|2 + |∇I |2 |v − ∇I |2 dx (9) Automatic Characterization of Myocardial Perfusion in Contrast Enhanced MRI The optimal ... as absolute values and as relative values with respect to the input function for both original and normalized T/I curves Manual correction of the ERF function is available: the user can manually...
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Single Phase Motors pptx
... Torque in Single phase motor Split Phase Principle • To produce a starting torque a rotating magnetic field must be produced • This is done by including the Aux winding • When an AC source is applied ... the Aux wndg produces a flux Φa Since the angles are out of phase a resultant rotating field is created • A centrifugal switch disconnects the Aux wndg from the supply after it has run up to 75%...
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Single Phase AC Motors pot
... diameter wire This creates an inductive reactance causing the current to lag Split Phase Motor A split phase motor has windings: Run winding Start winding Split Phase Motor The two windings ... inductive reactance of each This mimics the effect of a changing magnetic field Once started, the switch cuts out to stop burning out Split Phase Motor Can be reversed by changing connections ... Motor Similar in effect to the split phase motor Capacitor causes current in start winding to lead voltage Start and Run windings are approximately 90° out of phase Capacitor Start Motor...
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Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc
... to ⎜ ⎟ = ⎝ dL ⎠ acc g c dL convection In case of vertical flow in the pipeline, the loss of energy is essential due to friction and changing of kinetic energy With assumption of isothermal stable ... change of potential energy ⎜ ⎟ = ⎝ dL ⎠ el g c fρυ ⎛ dp ⎞ - component concerning the effect of friction ⎜ ⎟ = ⎝ dL ⎠ f 2g c d ρυdυ ⎛ dp ⎞ - component concerning the change of kinetic energy due to ... f: Moody friction coefficient • L: pipeline length, m Friction coefficient varies in a wide range with Reynolds number (over 2000) and interface roughness rate, so a suitable friction coefficient...
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Báo cáo toán học: "Contrast-Enhanced Ultrasonograpic Findings in Pancreatic Tumors Chiara RECALDINI, Gianpaolo CARRAFIELLO, Elena BERTOLOTTI, Maria Gloria ANGERETTI, Carlo FUGAZZOLA" ppsx
... positive predictive value of 91.2%, negative predictive value of 97.1% and accuracy of 96% b) Islet cell tumors- functioning or nonfunctioning – are usually hyperechoic in the arterial phase (enhancement ... venous phase [8] Sometimes, enhancement is more important in the portal phase (Fig 3), similarly to what has been reported for dynamic studies performed with CT [9] In addition, in huge nonfunctioning ... Intraductal papillary mucinous tumors of the pancreas: spectrum of CT and MR findings with pathologic correlation Eur Radiol 2001; 11:1939-51 Procacci C, Carbognin G, Accordini S, et al CT features...
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Báo cáo khoa học: " A case report of pseudoprogression followed by complete remission after proton-beam irradiation for a low-grade glioma in a teenager: the value of dynamic contrast-enhanced MRI" pptx
... in regard of the strong contrast enhancement [B] The superimposed Permeability map with a strong microvascular leakage (yellow arrow) strictly corresponding with the enhanced area in the T1-weighted ... six months after the end of irradiation (54 Gy), showing a strong contrast enhancement with a subtle mass effect (yellow arrow) without concomitant or sequential use of chemotherapy [1,12-14] In ... of a new lesion with an important contrast enhancement and mass effect on the third ventricle (Figure 2), however the patient remained asymptomatic Conventional and Dynamic MRI with Permeability...
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Báo cáo y học: "Phase delaying the human circadian clock with a single light pulse and moderate delay of the sleep/dark episode: no influence of iris color" potx
... practical for most individuals trying to phase shift their circadian rhythms at home When a phase- delaying evening light pulse is used in the field, it may be most practical to combine it with ... subjects were 3806 ± 260 and 3901 ± 155 lux, respectively Circadian Phase Assessments The time of the phase assessments relative to subjects' baseline sleep schedules are shown in Fig Details of phase ... subjects with blue vs brown irises a Measured from dimensions of the RGB color system b Positive correlations indicate that subjects with darker irises had larger phase delays sode have reported phase...
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Báo cáo khoa hoc:" The contrast-enhanced Doppler ultrasound with perfluorocarbon exposed sonicated albumin does not improve the diagnosis of renal artery stenosis compared with angiography" pptx
... obtained with non -enhanced or enhanced with PESDA ultrassonography in the ostium of renal arteries Non -enhanced Enhanced p Arteries without stenosis n = 37 PSV (cm/s) PDV (cm/s) RRA RI PI Arteries with ... values of Doppler indexes obtained with non -enhanced or enhanced with PESDA ultrassonography in the proximal portion of renal arteries Non -enhanced Enhanced p Arteries without stenosis n = 37 PSV (cm/s) ... higher in arteries with stenosis, in either enhanced or nonenhanced US In the proximal segment, only RAR values were higher in arteries with stenosis, in both enhanced and non -enhanced US The sensitivity,...
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Báo cáo y học: "Detection of vascularity in wrist tenosynovitis: power doppler ultrasound compared with contrast-enhanced grey-scale ultrasound" pdf
... detection of vascularity in comparison with contrast- enhanced (CE) MRI in examining patients with knee osteoarthritis [16] To our knowledge, only one study has been published using CEUS to detect ... of inactive and active tenosynovitis Modified accordingly the OMERACT criteria [21], active tenosynovitis was defined as thickening of the synovium within the tendon sheath that exhibits contrast ... Newer contrast- specific US modes based on the higher harmonic emission capabilities of second -generation contrast agents allow imaging with grey-scale US and the use of a lower, nondestructive...
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Magnetic resonance imaging techniques for contrast enhanced cellular and molecular imaging
... White-Marker, UTE and ZUTE imaging 3.25 (A) Contrast- to-noise ratio depicting the gradual increase in positive contrast as phase within excited slice is compensated with ZUTE (B) UTE image at = and ... robust positive contrast with high temporal efficiency to advance cellular tracking technology The physical principles of positive contrast sensing and factors affecting detection sensitivity ... input function ADP adenosine 5’-diphosphate ATP adenosine 5’-triphosphate BMSC bone marrow stem cells CE contrast enhancement CEsubtract contrast enhancement in subtracted image CNR contrast- to-noise...
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4D non rigid registration of renal dynamic contrast enhanced MRI data
... (left) with the background seeds (marked with * in red) and object seeds (marked with o in green), (right) with the kidney boundary obtained by grow-cut segmentation 24 Fig.3.4 (left) ROI with ... the x and y directions, respectively Gx , Gy Edge magnitude of the floating image in the x and y directions, respectively Voxel position within an image Bp Set of all voxels within node p Sp ... Fig.3.3.A sample slice of the kidney: (left) with the background seeds (marked with * in red) and object seeds (marked with o in green), (right) with the kidney boundary obtained by grow-cut...
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Control of high performance single phase DC AC inverter
... conditioning of electric energy by using static power semiconductor devices Thus the power electronics converter process the raw electrical energy and converts it into the desired electrical output ... that must track a periodic trajectory or reject periodic disturbances with the explicit use of the periodic nature of the trajectory or disturbances Owing to the fact that low frequency harmonics ... electrical form into the desired electrical output form as required by the load In recent years, power electronic technology has grown dramatically due to the introduction of power semiconductor...
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Fast registration of contrast enhanced magnetic resonance images of the breast
... probability function, we model the conditional probability density function between image voxel pairs contributed by the non -enhanced structures by a Gaussian For the enhanced structures, we expect the ... Maximum Intensity Projection (MIP) subtraction (before registration), MIP subtraction (rigid NMI), MIP subtraction (rigid NMISSD), MIP subtraction (nonrigid NMI), MIP subtraction (nonrigid NMISSD) ... Maximum Intensity Projection (MIP) subtraction (before registration), MIP subtraction (rigid NMI), MIP subtraction (rigid NMISSD), MIP subtraction (nonrigid NMI), MIP subtraction (nonrigid NMISSD)...
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Tìm thêm: 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 xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ 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 hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 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 chỉ tiêu chất lượng 9 tr 25