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Journal articles on the topic 'Vrram'

Author: Grafiati

Published: 19 July 2023

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1

Sun, Wookyung, Sujin Choi, Bokyung Kim, and Hyungsoon Shin. "Effect of Initial Synaptic State on Pattern Classification Accuracy of 3D Vertical Resistive Random Access Memory (VRRAM) Synapses." Journal of Nanoscience and Nanotechnology 20, no. 8 (2020): 4730–34. http://dx.doi.org/10.1166/jnn.2020.17798.

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Amidst the considerable attention artificial intelligence (AI) has attracted in recent years, a neuromorphic chip that mimics the biological neuron has emerged as a promising technology. Memristor or Resistive random-access memory (RRAM) is widely used to implement a synaptic device. Recently, 3D vertical RRAM (VRRAM) has become a promising candidate to reducing resistive memory bit cost. This study investigates the operation principle of synapse in 3D VRRAM architecture. In these devices, the classification response current through a vertical pillar is set by applying a training algorithm to

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Chen, Zhisheng, Renjun Song, Qiang Huo, et al. "Analysis of Leakage Current of HfO2/TaOx-Based 3-D Vertical Resistive Random Access Memory Array." Micromachines 12, no. 6 (2021): 614. http://dx.doi.org/10.3390/mi12060614.

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Three-dimensional vertical resistive random access memory (VRRAM) is proposed as a promising candidate for increasing resistive memory storage density, but the performance evaluation mechanism of 3-D VRRAM arrays is still not mature enough. The previous approach to evaluating the performance of 3-D VRRAM was based on the write and read margin. However, the leakage current (LC) of the 3-D VRRAM array is a concern as well. Excess leakage currents not only reduce the read/write tolerance and liability of the memory cell but also increase the power consumption of the entire array. In this article,

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Sun, Wookyung, Sujin Choi, Bokyung Kim, and Junhee Park. "Three-Dimensional (3D) Vertical Resistive Random-Access Memory (VRRAM) Synapses for Neural Network Systems." Materials 12, no. 20 (2019): 3451. http://dx.doi.org/10.3390/ma12203451.

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Memristor devices are generally suitable for incorporation in neuromorphic systems as synapses because they can be integrated into crossbar array circuits with high area efficiency. In the case of a two-dimensional (2D) crossbar array, however, the size of the array is proportional to the neural network’s depth and the number of its input and output nodes. This means that a 2D crossbar array is not suitable for a deep neural network. On the other hand, synapses that use a memristor with a 3D structure are suitable for implementing a neuromorphic chip for a multi-layered neural network. In this

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Alimkhanuly, Batyrbek, Sanghoek Kim, Lok-won Kim, and Seunghyun Lee. "Electromagnetic Analysis of Vertical Resistive Memory with a Sub-nm Thick Electrode." Nanomaterials 10, no. 9 (2020): 1634. http://dx.doi.org/10.3390/nano10091634.

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Resistive random access memories (RRAMs) are a type of resistive memory with two metal electrodes and a semi-insulating switching material in-between. As the persistent technology node downscaling continues in transistor technologies, RRAM designers also face similar device scaling challenges in simple cross-point arrays. For this reason, a cost-effective 3D vertical RRAM (VRRAM) structure which requires a single pivotal lithography step is attracting significant attention from both the scientific community and the industry. Integrating an extremely thin plane electrode to such a structure is

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Choi, Sujin, Wookyung Sun, and Hyungsoon Shin. "Analysis of Read Margin and Write Power Consumption of a 3-D Vertical RRAM (VRRAM) Crossbar Array." IEEE Journal of the Electron Devices Society 6 (2018): 1192–96. http://dx.doi.org/10.1109/jeds.2018.2873016.

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Wu, Min‐Ci, Yi‐Hsin Ting, Jui‐Yuan Chen, and Wen‐Wei Wu. "Low Power Consumption Nanofilamentary ECM and VCM Cells in a Single Sidewall of High‐Density VRRAM Arrays." Advanced Science 6, no. 24 (2019): 1902363. http://dx.doi.org/10.1002/advs.201902363.

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Choi, Sujin, Wookyung Sun, and Hyungsoon Shin. "Analysis of Cell Variability Impact on a 3-D Vertical RRAM (VRRAM) Crossbar Array Using a Modified Lumping Method." IEEE Transactions on Electron Devices 66, no. 1 (2019): 759–65. http://dx.doi.org/10.1109/ted.2018.2878440.

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Yu, Jie, Woyu Zhang, Danian Dong, et al. "Long-Term Accuracy Enhancement of Binary Neural Networks Based on Optimized Three-Dimensional Memristor Array." Micromachines 13, no. 2 (2022): 308. http://dx.doi.org/10.3390/mi13020308.

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In embedded neuromorphic Internet of Things (IoT) systems, it is critical to improve the efficiency of neural network (NN) edge devices in inferring a pretrained NN. Meanwhile, in the paradigm of edge computing, device integration, data retention characteristics and power consumption are particularly important. In this paper, the self-selected device (SSD), which is the base cell for building the densest three-dimensional (3D) architecture, is used to store non-volatile weights in binary neural networks (BNN) for embedded NN applications. Considering that the prevailing issues in written data

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Lo, Shih-Che, and Hung-Hsu Tsai. "Design of 3D Virtual Reality in the Metaverse for Environmental Conservation Education Based on Cognitive Theory." Sensors 22, no. 21 (2022): 8329. http://dx.doi.org/10.3390/s22218329.

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Background: Climate change causes devastating impacts with extreme weather conditions, such as flooding, polar ice caps melting, sea level rise, and droughts. Environmental conservation education is an important and ongoing project nowadays for all governments in the world. In this paper, a novel 3D virtual reality architecture in the metaverse (VRAM) is proposed to foster water resources education using modern information technology. Methods: A quasi-experimental study was performed to observe a comparison between learning involving VRAM and learning without VRAM. The 3D VRAM multimedia conte

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Chaudhry, Arif, Jeremie D. Oliver, Krishna S. Vyas, et al. "Comparison of Outcomes in Oncoplastic Pelvic Reconstruction with VRAM versus Omental Flaps: A Large Cohort Analysis." Journal of Reconstructive Microsurgery 35, no. 06 (2019): 425–29. http://dx.doi.org/10.1055/s-0038-1677524.

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Background The purpose of this study is to describe our experience and outcomes in oncoplastic pelvic reconstruction for patients who underwent either vertical rectus abdominis musculocutaneous (VRAM) or omental flap following abdominoperineal resection (APR) at a single tertiary care institution. Methods All patients who underwent pelvic reconstruction following APR with either VRAM or omental flaps from January 1992 to January 2017 were retrospectively reviewed. Patient demographics and relevant comorbidities including chemotherapy and radiation therapy data were collected and analyzed. In a

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Preetha Rani, K., J. Satish Kumar, V. Singaravelu, and Fernandes Deyonna. "Gracilis Myocutaneous Flap: Adding to the Armamentarium of Complex Sacrococcygeal Defect Reconstruction." Indian Journal of Plastic Surgery 52, no. 02 (2019): 246–49. http://dx.doi.org/10.1055/s-0039-1696078.

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Abstract Background With increasing radicality of rectal cancer surgeries, the postoperative defects are becoming more complex. This demands an ideal reconstructive option with minimal morbidity to the patient. Although vertical rectus abdominis myocutaneous (VRAM) flap is the commonly used flap, gracilis myocutaneous flap is increasingly being performed to avoid morbidity associated with VRAM flap. Results We share our experience about two of our patients treated for rectal malignancy with pelvic exenteration who were reconstructed immediately with pedicled gracilis myocutaneous flap. Both th

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Stein, Michael, and Moein Momtazi. "Bladder Outlet Obstruction as a Cause for Late Total Flap Failure in Pelvic Reconstruction with a VRAM." Journal of Reconstructive Microsurgery Open 03, no. 02 (2018): e55-e57. http://dx.doi.org/10.1055/s-0038-1669453.

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Background A 67-year-old man presented with abrupt failure of a pedicled vertical rectus abdominus myocutaneous (VRAM) flap 13 days postoperatively. Methods The patient underwent pelvic reconstruction with a pedicled VRAM flap following sacral chordoma and abdominoperineal resection. The flap remained well perfused and viable until postoperative day 13, at which point the patient was noted to become systemically unwell with fever, chills, and abdominal pain. This clinically coincided with prompt arterial and venous insufficiency of the VRAM flap. Results Computed tomography of the abdomen was

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Hinojosa, Marcelo W., Dhavan A. Parikh, Raman Menon, Garrett A. Wirth, Michael J. Stamos, and Steven Mills. "Recent Experience with Abdominal Perineal Resection with Vertical Rectus Abdominis Myocutaneous Flap Reconstruction after Preoperative Pelvic Radiation." American Surgeon 75, no. 10 (2009): 995–99. http://dx.doi.org/10.1177/000313480907501029.

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Abdominoperineal resection (APR) after pelvic radiation can be complicated by an increased rate of difficult to treat perineal wound complications. In an effort to improve postoperative morbidity after APR, myocutaneous flap reconstructions have been used. We review our recent experience with APR with vertical rectus abdominis myocutaneous flap reconstruction (VRAM) after preoperative pelvic radiation. A retrospective review of patients who underwent APR with VRAM reconstruction after pelvic radiation from December 2004 to July 2008 was conducted. Outcome measures included demographics, comorb

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Tóth, Bence, János Vad, and Gábor Kotán. "Comparison of the Rotating Source Identifier and the Virtual Rotating Array Method." Periodica Polytechnica Mechanical Engineering 62, no. 4 (2018): 261–68. http://dx.doi.org/10.3311/ppme.11194.

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The aim of this paper is to present two acoustic beamforming methods developed for rotating sources, namely the Rotating Source Identifier (ROSI) and the Virtual Rotating Array method (VRAM). These were applied onto a series of simulated test cases, and their behaviour was analysed. Both methods were able to localise the source reliably. However, the source strength was found to depend on the number or microphones when VRAM was applied. This phenomenon was quantified and an approximate formula was given providing the minimum number of microphones required to reach a certain amplitude error. Be

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Khalil, Haitham H., Ahmed El-Ghoneimy, Yasser Farid, et al. "Modified Vertical Rectus Abdominis Musculocutaneous Flap for Limb Salvage Procedures in Proximal Lower Limb Musculoskeletal Sarcomas." Sarcoma 2008 (2008): 1–6. http://dx.doi.org/10.1155/2008/781408.

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Introduction and aim. Management of complicated wounds after tumor extipiration of pelvic and proximal lower limb musculoskeletal sarcoma represents an essential component in the outcome of these patients. The authors present modified vertical rectus abdominis musculocutaneous (VRAM) flap techniques to reconstruct extensive defects after debridment of these complicated wounds.Material and Methods. Over a period of 4 years (2002–2005), 5 men and 2 women were managed. Median age was 21 years (range 15–49). The patients were managed for complicated lower trunk, groin, and upper thigh wounds after

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Ainge, David J. "Upper Primary Students Constructing and Exploring Three Dimensional Shapes: A Comparison of Virtual Reality with Card Nets." Journal of Educational Computing Research 14, no. 4 (1996): 345–69. http://dx.doi.org/10.2190/kr4e-tunn-gyvd-jr9u.

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A grade six/seven class which constructed and explored 3D shapes worlds with the VREAM program was compared with a grade five/six/seven control group which constructed and examined shapes from card nets. Students were tested on visualizing appearance of shapes from alternative viewpoints, recognition of shapes in the environment, and writing shape names, before and after the learning phase. Ease of using Virtual Reality (VR), and student engagement with VR were observed informally. VR had little impact on shape visualization and name writing, but strongly enhanced recognition. Students had no

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Eseme, Ebai A., Matteo Scampa, Juan A. Viscardi, Myriam Ebai, Daniel F. Kalbermatten, and Carlo M. Oranges. "Surgical Outcomes of VRAM vs. Gracilis Flaps in Vulvo-Perineal Reconstruction following Oncologic Resection: A Proportional Meta-Analysis." Cancers 14, no. 17 (2022): 4300. http://dx.doi.org/10.3390/cancers14174300.

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Pelvic exenteration and abdominoperineal resection are radical techniques commonly used for locally advanced or recurrent pelvic malignancy with high morbidity due to large pelvic defects. Flaps can help provide healthy, well-vascularized, non-irradiated tissues to fill pelvic dead space. We conducted a proportional meta-analysis to compare surgical outcomes of vertical rectus abdominus myocutaneous flap (VRAM) vs. gracilis flap for vulvo-perineal reconstruction following oncologic resection. A comprehensive literature search was conducted in the MEDLINE, PubMed, Embase, Google Scholar, and Co

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Soper, J. T., L. J. Havrilesky, A. A. Secord, A. Berchuck, and D. L. Clarke-Pearson. "Rectus abdominis myocutaneous flaps for neovaginal reconstruction after radical pelvic surgery." International Journal of Gynecologic Cancer 15, no. 3 (2005): 542–48. http://dx.doi.org/10.1136/ijgc-00009577-200505000-00021.

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The objective of this article is to compare the flap-specific complications associated with vertical (VRAM) and transverse (TRAM) rectus abdominis myocutaneous flap vaginal reconstructions performed during radical pelvic procedures. A retrospective chart review was performed to identify all patients who underwent VRAM and TRAM neovaginal reconstructions performed on the Gynecologic Oncology Service at Duke University Medical Center. Flap-specific complications were compared between the two techniques. From 1988 to 2003, 14 VRAM and 18 TRAM flap neovaginal reconstructions were performed on 32 w

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Alfadz Kholifah Akbar, Muhammad Pratama Mandala Putra, and Denny Irwansyah. "The Vertical Rectus Abdominis Myocutaneous Flap for Complex Abdominal Wall Reconstruction on a Relapse Case of Monophasic Synovial Sarcoma." Asian Journal of Health Research 2, no. 1 (2023): 56–60. http://dx.doi.org/10.55561/ajhr.v2i1.70.

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Introduction: Vertical Rectus Abdominis Myocutaneous (VRAM) flap is a chosen method for a large wound closure instead of Anterolateral Thigh (ALT) flap. Both versatile and highly vascularized flaps share almost similar advantages for large wound closure. In our case, the site and size of the wound are the points of consideration. Case Presentation: A 16-year-old girl with a chief complaint of a large progressive lower abdominal mass enlarged since January 2021 that has grown back from the same site. Abdominal CT-Scan shows a tumor in the right lower abdomen infiltrated to the pelvic cavity and

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Baruah, Upasana, Apoorva Tak, Debabrata Barmon, and Dimpy Begum. "Vulvar reconstruction in post-RT case using the versatile VRAM flap: reporting the rare extrapelvic approach." BMJ Case Reports 16, no. 4 (2023): e254773. http://dx.doi.org/10.1136/bcr-2023-254773.

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Although primary vulvovaginal reconstruction following vulvectomy has a significant chance of improving patient outcomes, flap reconstruction is not a recognised component of the accepted standard of care for vulvar cancer. We provide a case of a patient who underwent successful vulvar reconstruction using the extrapelvic vertical rectus abdominis myocutaneous (VRAM) flap. This musculocutaneous flap offers adequate coverage and bulk to the perineal defect after excision in post-irradiated vulvar cancer.To proceed with sphincter-saving surgery, she was scheduled for neoadjuvant chemoradiation,

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Yeo, Hyun-Dong, Jae-Ho Chung, Seung-Ha Park, Byung-Il Lee, and Eul-Sik Yoon. "Vertical Rectus Abdominis Myocutaneous-Pedicled Island Flap for Covering Defect of the Suprapubic Area: A Case Report." Journal of Wound Management and Research 17, no. 2 (2021): 154–57. http://dx.doi.org/10.22467/jwmr.2021.01564.

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Immediate reconstruction of defects in the lower abdomen is challenging. We present a successful reconstruction case using a vertical rectus abdominis myocutaneous (VRAM) flap for a radiation ulcer on the suprapubic area following radiation therapy for recurred malignant melanoma. Before flap elevation, we conducted sufficient debridement until pliable healthy tissue was revealed. Afterwards, a 15×9 cm VRAM flap was elevated. We then inserted the flap through a suprafascial tunnel. At 6 months postoperatively, a completely healed aesthetic flap was achieved. This case is meaningful in that it

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Horch, Raymund E., Ingo Ludolph, Andreas Arkudas, and Aijia Cai. "Personalized Reconstruction of Genital Defects in Complicated Wounds with Vertical Rectus Abdominis Myocutaneous Flaps including Urethral Neo-Orifice." Journal of Personalized Medicine 11, no. 11 (2021): 1076. http://dx.doi.org/10.3390/jpm11111076.

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Non-healing extensive wounds in the perineal region can lead to severe soft tissue infections and disastrous complications, which are not manageable with conservative measures. Specifically in recurrent or advanced pelvic malignancies, irradiation often leads to extensive scarring and wound breakdown, resulting in significant soft tissue defects during surgical tumor excision. Among several surgical options to reconstruct the perineum, the transpelvic vertical rectus abdominis myocutaneous (VRAM) flap has proven to be one of the most reliable methods. Specific modifications of this flap allow

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Nakagawa, Tsuyoshi, Goshi Oda, Hiroki Mori, et al. "Laparoscopic Abdominal Surgery after Primary Breast Reconstruction Using an Abdominal Flap." Medicina 57, no. 9 (2021): 952. http://dx.doi.org/10.3390/medicina57090952.

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Background and objectives: Our department has been performing primary breast reconstruction for breast cancer surgery, incorporating a transverse rectus abdominis myocutaneous flap (TRAM)/vertical rectus abdominis myocutaneous flap (VRAM) since 1998 and a deep inferior epigastric artery perforator flap (DIEP) since 2008. Currently, most gastrointestinal operations in abdominal surgery are performed laparoscopically or are robot-assisted. Cases in which abdominal surgery was performed after breast reconstruction using an abdominal flap were reviewed. Method: A total of 119 cases of primary brea

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Schellerer, Vera S., Lenka Bartholomé, Melanie C. Langheinrich, et al. "Donor Site Morbidity of Patients Receiving Vertical Rectus Abdominis Myocutaneous Flap for Perineal, Vaginal or Inguinal Reconstruction." World Journal of Surgery 45, no. 1 (2020): 132–40. http://dx.doi.org/10.1007/s00268-020-05788-5.

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Abstract Background Management of donor site closure after harvesting a vertical rectus abdominis myocutaneous (VRAM) flap is discussed heterogeneously in the literature. We aim to analyze the postoperative complications of the donor site depending on the closure technique. Methods During a 12-year period (2003–2015), 192 patients in our department received transpelvic VRAM flap reconstruction. Prospectively collected data were analyzed retrospectively. Results 182 patients received a VRAM flap reconstruction for malignant, 10 patients for benign disease. The median age of patients was 62 year

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Wamalwa, A. O., and S. O. Khainga. "VRAM flap for an above knee amputation stump." JPRAS Open 23 (March 2020): 11–18. http://dx.doi.org/10.1016/j.jpra.2019.11.002.

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Mir, Mushtaq, Muddassir Shahdhar, Khurshid Ganaie, and Quibtiya Syed. "Oncological safety of immediate rectus abdominis myocutaneous breast reconstruction in patients with locally advanced disease (stage IIb and III)." South Asian Journal of Cancer 02, no. 04 (2013): 239–42. http://dx.doi.org/10.4103/2278-330x.119921.

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Abstract Background: The management of locally advanced (Stage IIb and III) breast cancer is challenging. It often includes multimodal treatment with systemic therapy and/or radiation therapy and surgery. Immediate breast reconstruction has not traditionally been performed in these patients. We review the results of immediate rectus abdominis musculo-cutaneous (TRAM/VRAM) flap in 60 patients treated for Stage IIb and III breast cancer. Materials and Methods: Data were collected prospectively on 60 patients diagnosed with Stage IIb (32 patients) and Stage III (28 patients) breast cancer between

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Tokmakov, I. V., L. V. Moskaleva, and M. C. Lin. "Quantum chemical/vRRKM study on the thermal decomposition of cyclopentadiene." International Journal of Chemical Kinetics 36, no. 3 (2004): 139–51. http://dx.doi.org/10.1002/kin.10180.

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Adrian, Yosef, Rachel Caroline Lesmana, and Sudimanto. "Analisis Performa pada Video Graphic Array (VGA) Nvidia GTX 950M DDR3 dan Nvidia GTX 950M GDDR5." Media Informatika 20, no. 2 (2021): 91–96. http://dx.doi.org/10.37595/mediainfo.v20i2.74.

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Video Graphic Array card (VGA) berfungsi untuk memproses data grafik atau sinyal digital pada komputer lalu kemudian sinyal grafik tersebut ditransfer ke layar monitor. VGA card yang dipakai untuk benchmark adalah NVIDIA GTX 950M GDDR5 dan NVIDIA GTX 950M DDR3. VGA card ini cukup diminati karena harga yang terjangkau serta performa yang tinggi dimana kartu grafis ini sudah mempunyai lebar jalur data (bus width) sebesar 128 bit serta terdiri dari varian DDR3 dan GDDR5. Pengambilan data spesifikasi dan performa diambil dari situs Jagat Review Gatot Tri [9] dan Notebookcheck Otshoff [8] yang mana

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Young, S., N. Pantelide, and S. Iyer. "VRAM steal syndrome – a unique cause of flap necrosis in chest wall reconstruction." Annals of The Royal College of Surgeons of England 100, no. 3 (2018): e64-e65. http://dx.doi.org/10.1308/rcsann.2017.0228.

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The pedicled vertical rectus abdominis myocutaneous (VRAM) flap is a robust flap, which is considered to be a ‘workhorse’ regional option for chest wall reconstruction. We describe a previously unreported complication of partial flap loss due to ‘steal syndrome’, whereby arterial supply was diverted away from the flap due to dialysis from an ipsilateral arteriovenous fistula.

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Kim, Bum Sik, Dowon Kim, Soo A. Lim, Su Rak Eo, Yea Sik Han, and Jung Soo Yoon. "Successful Reconstruction of a Lower Chest Wall Defect with Delayed Fungal Deep Sternal Wound Infection following a Blast Injury in South Korea: A Case Report." Journal of Wound Management and Research 18, no. 1 (2022): 62–66. http://dx.doi.org/10.22467/jwmr.2021.01879.

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Although blast injuries have been considered a problem unique to military practice or warfare, accidental civilian blast-related injuries due to misplaced landmines have been reported in South Korea. A 71-year-old man was admitted to the emergency room due to multiple severe blast injuries after the detonation of an unknown explosive device. After shrapnel that penetrated the pericardium was removed via median sternotomy in an emergency operation, an extensive defect remained on the lower third of the anterior chest wall. After debriding the contaminated wound several times, chest wall reconst

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Haddock, Nicholas T., Mark D. DeLacure, and Pierre B. Saadeh. "Less Is More: VRAM Inset Modification in Glossectomy Reconstruction." Plastic and Reconstructive Surgery 122, no. 2 (2008): 70e—72e. http://dx.doi.org/10.1097/prs.0b013e31817d5f12.

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Boccara, David, Kevin Serror, Samuel Levy, Maurice Mimoun, and Marc Chaouat. "Post-operative care of VRAM flaps for perineal reconstruction." Journal of Plastic, Reconstructive & Aesthetic Surgery 71, no. 3 (2018): 446–47. http://dx.doi.org/10.1016/j.bjps.2017.11.009.

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Kim, Jennifer E., John Pang, Joani M. Christensen, et al. "Soft-tissue reconstruction after total en bloc sacrectomy." Journal of Neurosurgery: Spine 22, no. 6 (2015): 571–81. http://dx.doi.org/10.3171/2014.10.spine14114.

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OBJECT Total en bloc sacrectomy is a dramatic procedure that results in extensive sacral defects. The authors present a series of patients who underwent flap reconstruction after total sacrectomy, report clinical outcomes, and provide a treatment algorithm to guide surgical care of this unique patient population. METHODS After institutional review board approval, data were collected for all patients who underwent total sacrectomy between 2002 and 2012 at The Johns Hopkins Hospital. Variables included demographic data, medical history, tumor characteristics, surgical details, postoperative comp

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Korotkov, V. A., L. O. Petrov, M. R. Kasymov, et al. "Surgical treatment of vulvar cancer with perineal defect reconstruction using a VRAM flap. Clinical case." Andrology and Genital Surgery 23, no. 4 (2023): 103–9. http://dx.doi.org/10.17650/2070-9781-2022-23-4-103-109.

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The article presents a clinical case of perineal defect reconstruction using a VRAM flap in a patient with vulvar cancer. Stepwise surgical treatment method is described. A multidisciplinary meeting allows to realize a plan of surgical help for such patients with the goal of treating oncological process and its complications.We have proposed a variant of perineal defect reconstruction through transfer of a vertical rectus abdominis musculocutaneous flap with a vascular pedicle.

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Lee, Dawoon, and Wookeen Chung. "Improving the memory efficiency of RTM using both Nyquist sampling and DCT based on GPU." Journal of Geophysics and Engineering 19, no. 4 (2022): 706–23. http://dx.doi.org/10.1093/jge/gxac045.

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Abstract Reverse time migration (RTM) is used to obtain complex structural images of subsurface media. The RTM can be expressed as a zero-lag cross-correlation between the source and receiver wave fields. As imaging conditions can be calculated based on the pre-stored source wavefield and the received wavefield generated during backward modelling, only the source wavefield must be stored in the memory (or disc). Therefore, reducing source-wavefield storage requirements can improve memory efficiency. High-performance computing based on graphic processing units (GPUs) is being developed to reduc

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Tran, Nho V., Franklin H. Sim, David G. Lewallen, and Stephen W. Carmichael. "Case Reports: Transsciatic Foramen Pedicle VRAM Coverage of Gluteal Defects." Clinical Orthopaedics and Related Research 452 (November 2006): 270–73. http://dx.doi.org/10.1097/01.blo.0000229303.59771.6d.

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Zimman, Oscar A., Pedro H. Bistoletti, Teresita Cravino, and Arturo Figueroa. "P86: The Use of the VRAM Flap in Thoracic Reconstruction." Plastic and Reconstructive Surgery 118, Supplement (2006): 166–67. http://dx.doi.org/10.1097/00006534-200609151-00183.

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Ruppert, R. "100 Patienten mit VRAM-Flap zur Beckenbodenrekonstruktion nach Becken-Exenteration." coloproctology 37, no. 3 (2015): 213–14. http://dx.doi.org/10.1007/s00053-015-0012-0.

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Touny, Ahmed, Haitham Othman, Sherif Maamoon, Samy Ramzy, and Hamdy Elmarakby. "Perineal reconstruction using pedicled vertical rectus abdominis myocutaneous flap (VRAM)." Journal of Surgical Oncology 110, no. 6 (2014): 752–57. http://dx.doi.org/10.1002/jso.23692.

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Kramer, Erik J., James Dodington, Ava Hunt, et al. "Violent reinjury risk assessment instrument (VRRAI) for hospital-based violence intervention programs." Journal of Surgical Research 217 (September 2017): 177–86. http://dx.doi.org/10.1016/j.jss.2017.05.023.

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Rouzbehani, Behnam, Luis M. Correia, and Luísa Caeiro. "A Service-Oriented Approach for Radio Resource Management in Virtual RANs." Wireless Communications and Mobile Computing 2018 (July 10, 2018): 1–13. http://dx.doi.org/10.1155/2018/4163612.

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Virtualisation, as a key role player of future mobile communications, promotes the idea of service-oriented architectures. This paper proposes a model of Radio Resource Management (RRM) for emerging Virtual Radio Access Networks, based on the interaction between two separated management entities: Common-RRM (CRRM) to coordinate the radio resources among the Radio Access Technologies (RATs) and a centralised virtualisation platform on top of it, called Virtual-RRM (VRRM), which is responsible for service orchestration among Virtual Network Operators, enabling the definition of various services

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Krautz, Christian, Klaus Weber, Roland Croner, et al. "Zylindrische abdominoperineale Rektumexstirpation mit partieller Vulva- und Vaginaresektion sowie perinealer und vaginaler Defektrekonstruktion durch einen vertikalen Rectus-abdominis-Muskel-Haut-Lappen (VRAM-Lappen)." Zentralblatt für Chirurgie - Zeitschrift für Allgemeine, Viszeral-, Thorax- und Gefäßchirurgie 142, no. 06 (2017): 543–47. http://dx.doi.org/10.1055/s-0043-117172.

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Zusammenfassung Einleitung Patienten mit sehr tief sitzenden Rektum- oder Analkarzinomen, bei denen eine abdominoperineale Rektumexstirpation (APE) durchgeführt werden muss, profitieren von einer Erweiterung der Resektion und der damit verbundenen Vermeidung des sog. „Coning“ im Levatorenbereich. Diese von T. Holm entwickelte Technik der zylindrischen APE hat zu einer deutlichen Reduktion der Rate an intraoperativen Tumorperforationen sowie der positiven zirkumferenziellen Resektionsränder und konsekutiv zu einer erniedrigten Lokalrezidivrate geführt. Aufgrund des Auftretens von Wundheilungsst

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Bognár, Gábor, András Novák, Gábor István, Zoltán Lóderer, György Ledniczky, and Pál Ondrejka. "Kiterjesztett abdominoperinealis rectumexstirpatiót követő gáttájéki rekonstrukció verticalis rectus abdominis myocutan (VRAM) lebennyel." Magyar Sebészet 65, no. 5 (2012): 388–95. http://dx.doi.org/10.1556/maseb.65.2012.5.10.

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Absztrakt Az anorectalis régió daganatai miatt végzett abdominoperinealis exstirpatiót (APE) követő perinealis sebgyógyulási zavarok komoly kihívást jelentenek a sebész számára. A sebgyógyulás körüli szövődmények csökkentését célzó sebészi lehetőségek közé tartozik a myocutan lebennyel való perinealis rekonstrukció is. Cikkünk irodalmi áttekintést nyújt az abdominoperinealis exstripatiót követő verticalis rectus abdominis myocutan (VRAM) lebennyel végzett perinealis rekonstrukciók eredményeiről. A kombinált neoadjuváns radio-kemoterápia elterjedése és a sebészi radikalitás kiterjesztésének leh

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Hasen, Kent V., Jerome D. Chao, and Neil A. Fine. "USE OF THE VRAM AFTER ABDOMINOPLASTY— CAN IT BE DONE SAFELY?" Plastic and Reconstructive Surgery 110, no. 2 (2002): 706. http://dx.doi.org/10.1097/00006534-200208000-00064.

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Ribuffo, Diego, Massimiliano Marcellino, Geoffrey R. Barnett, Nicholas D. Houseman, and Nicolò Scuderi. "USE OF THE VRAM AFTER ABDOMINOPLASTY— CAN IT BE DONE SAFELY?" Plastic and Reconstructive Surgery 110, no. 2 (2002): 706–7. http://dx.doi.org/10.1097/00006534-200208000-00065.

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Suzman, Michael S. "The ???Sideways??? VRAM Flap for Broad Soft-Tissue Chest Wall Coverage." Plastic and Reconstructive Surgery 117, no. 7 (2006): 2526–27. http://dx.doi.org/10.1097/01.prs.0000220018.96254.38.

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Song, Tianyan, Dharmesh Sabharwal, and Sun Nyunt Wai. "VrrA Mediates Hfq-Dependent Regulation of OmpT Synthesis in Vibrio cholerae." Journal of Molecular Biology 400, no. 4 (2010): 682–88. http://dx.doi.org/10.1016/j.jmb.2010.05.061.

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Ghadimi, Mehdi, Alireza Sirousmehr, Mohammad Hossein Ansari, and Ahmad Ghanbari. "Organic soil amendments using vermicomposts under inoculation of N2-fixing bacteria for sustainable rice production." PeerJ 9 (September 2, 2021): e10833. http://dx.doi.org/10.7717/peerj.10833.

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Organic and biological fertilizers are considered as a very important source of plant nutrients. A field experiment was conducted during 2017−2018 in paddy soil to investigate the effect of vermicomposting of cattle manure mixture with Azolla and rice straw on soil microbial activity, nutrient uptake, and grain yield under inoculation of N2-fixing bacteria. Experimental factors consisted of organic amendments at six levels (vermicomposts prepared from manure (VM); manure + rice straw (VRM); manure + Azolla mixture (VAM); manure + rice straw + Azolla mixture (VRAM); raw manure without vermicomp

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Fischlin, Claudia, Zacharia Mbaidjol, Radu Olariu, Mihai Constantinescu, and Jonathan Leckenby. "Focused Arterial Anastomotic Assessment in a Novel Univariate Design of a Vertical Rectus Abdominis Muscle Flap in a Pig Model." Journal of Reconstructive Microsurgery Open 02, no. 01 (2017): e52-e57. http://dx.doi.org/10.1055/s-0037-1602817.

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Background Microsurgical anastomosis is the basis for free tissue transfer. The goal of this study was to create an animal model that mimics free tissue transfer but would focus on the arterial anastomotic assessment alone, without additional bias of a venous anastomosis. Methods A vertical rectus abdominis musculocutaneous (VRAM) flap based on the left deep superior epigastric artery (DSEA) was raised in six large white pigs. The right DSEA was raised and used as the donor vessel. An arterial end-to-end microsurgical anastomosis was then performed between the right and the left SEA artery. Th

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Kozan, Andrei A., Adrian M. Smith, David W. Ilsley, and Nicholas Rhodes. "First case of penile metastasis following abdominoperineal resection with VRAM flap reconstruction." Journal of Surgical Case Reports 2016, no. 11 (2016): rjw182. http://dx.doi.org/10.1093/jscr/rjw182.

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