Chinese approaches to sustainable manufacturing

Part of: Seliger, Günther (Ed.): Innovative solutions : proceedings / 11th Global Conference on Sustainable Manufacturing, Berlin, Germany, 23rd - 25th September, 2013. - Berlin: Universitätsverlag der TU Berlin, 2013. - ISBN 978-3-7983-2609-5 (online). - http://nbn-resolving.de/urn:nbn:de:kobv:83-opus4-40276. - pp. 1–4.The balance of global economic power is shifting. Traditionally strong countries are stagnating and a new corps of hopefuls is waiting in the wings. These emerging countries are characterized by largely untapped natural resources and a wealth of latent human talent. At the same time, internet penetration and the revolution in speed of communication has laid the foundation for a new type of Industrial Revolution with sustainable manufacturing at its heart. China is at the forefront of this new group with a number of industries well-positioned to step forward onto the global stage. This paper discusses the current status and strategic plans of Shenyang Machine Tool, the largest machine tool manufacturer in the world. Sustainable manufacturing is only just entering the consciousness of the global machine tool industry. There is not only tremendous capacity for the implementation of sustainable manufacturing principles, the very future of the industry depends on them

Korelasi antara hasil tes seleksi dengan prestasi belajar mahasiswa IAIN SU T.A 2001/2002

Since the development of capsule endoscopcy technology, substantial progress were made in converting passive capsule endoscopes to robotic active capsule endoscopes which can be controlled by the doctor. However, robotic capsule endoscopy still has some challenges. In particular, the use of such devices to generate a precise and globally consistent three-dimensional (3D) map of the entire inner organ remains an unsolved problem. Such global 3D maps of inner organs would help doctors to detect the location and size of diseased areas more accurately, precisely, and intuitively, thus permitting more accurate and intuitive diagnoses. The proposed 3D reconstruction system is built in a modular fashion including preprocessing, frame stitching, and shading-based 3D reconstruction modules. We propose an efficient scheme to automatically select the key frames out of the huge quantity of raw endoscopic images. Together with a bundle fusion approach that aligns all the selected key frames jointly in a globally consistent way, a significant improvement of the mosaic and 3D map accuracy was reached. To the best of our knowledge, this framework is the first complete pipeline for an endoscopic capsule robot based 3D map reconstruction containing all of the necessary steps for a reliable and accurate endoscopic 3D map. For the qualitative evaluations, a real pig stomach is employed. Moreover, for the first time in literature, a detailed and comprehensive quantitative analysis of each proposed pipeline modules is performed using a non-rigid esophagus gastro duodenoscopy simulator, four different endoscopic cameras, a magnetically activated soft capsule robot (MASCE), a sub-millimeter precise optical motion tracker and a fine-scale 3D optical scanner.Comment: arXiv admin note: text overlap with arXiv:1705.0652

Short-term X-ray Results of Posterior Vertebral Column Resection in Severe Congenital Kyphosis, Scoliosis, and Kyphoscoliosis

WOS: 000304364800017PubMed ID: 22024907Study Design. Retrospective case series. Objective. To analyze the efficacy and safety of posterior vertebral column resection performed on a consecutive series of patients with severe congenital spinal deformity. Summary of Background Data. The treatment of severe congenital spinal deformities is a demanding and difficult surgical challenge. Conventional procedures, such as posterior and anterior instrumentation or combined anteroposterior instrumentation provide limited correction in rigid neglected or maltreated (fused) deformities. Methods. Forty-four patients with severe deformity and managed by posterior vertebral column resection between years 1997 and 2007 having more than 2 years of follow-up were included. Mean age was 8 (range, 2-28) years at the time of operation. The hospital charts were reviewed for demographic data and etiology of deformity. Measurements of curve magnitude and balance were made on 36-in. standing anteroposterior and lateral radiographs obtained before surgery and at most recent follow-up to assess deformity correction, spinal balance, complications related to the instrumentation, and any evidence of pseudarthrosis. Results. Preoperative coronal plane major curve of 106 degrees (range, 90 degrees-132 degrees) with flexibility of less than 30% was corrected to 41.4 degrees (range, 20 degrees-72 degrees), showing a 61% scoliosis correction at the final follow-up. Coronal imbalance was improved by 79% at the most recent follow-up assessment. Preoperative thoracic kyphosis of 87 degrees (range, 67 degrees-103 degrees) in patients with kyphosis was corrected to 36 degrees range, 25 degrees-48 degrees) at the most recent follow-up evaluation. Lumbar lordosis of 27 degrees (range, 8 degrees-35 degrees) in patients with hypolordotic deformity was corrected to 45 degrees. Complications included postoperative infection in 2 patients, dural laceration in 2 patients, and hemopneumothorax in 1 patient. Conclusion. Posterior vertebral column resection is an effective technique providing a successful correction of stiff complex congenital deformities. However, it is a technically demanding procedure, with possible risks for major complications

Primary myxoid-type mediastinal liposarcoma

In this paper we present a case of primary mediastinal liposarcoma and describe CT findings of this malignant tumor. In light of the literature we also discussed the mediastinal fatty masses

Pseudomeningocele in communication with the facet joint: demonstration by computerized tomography-arthrography

WOS: 000257383700011PubMed ID: 18461322Pseudomeningocele is an uncommon but well-known complication of lumbar spine operations. Although it is mostly asymptomatic and managed conservatively in most cases, it is claimed as a causative factor of failed back surgery syndrome and requires surgery in some cases. Usually, its diagnosis is confidently done with imaging modalities such as magnetic resonance imaging, computed tomography and myelography. In this report, we describe a case of pseudomeningocele that communicated with a facet joint. The diagnostic approach for this unusual lesion and its probable causes are discussed

Posterior Vertebral Column Resection in Severe Spinal Deformities A Total of 102 Cases

WOS: 000287446300008PubMed ID: 21325930Study Design. Retrospective case series. Objective. To analyze the efficacy and safety of posterior vertebral column resection (PVCR) performed to a consecutive series of patients with severe spinal deformity and managed by PVCR. Summary of Background Data. The treatment of severe spinal deformities is a demanding and difficult surgical challenge. Conventional procedures such as posterior and anterior instrumentation or combined anteroposterior instrumentation afford limited correction in rigid neglected or maltreated (fused) deformities. Methods. A total of 102 consecutive patients with severe deformity and managed by PVCR between years 1996 and 2007 having more than 2 years follow-up were included. Mean age was 37.6 (range = 2-84 years) years at the time of operation. The hospital charts were reviewed for demographic data and etiology of deformity. Measurements of curve magnitude and balance were made on 36-inch standing anteroposterior and lateral radiographs taken before surgery and at most recent follow-up to assess deformity correction, spinal balance, complications related to the instrumentation, and any evidence of pseudarthrosis. Results. Preoperative coronal plane major curve of 102 degrees (range = 80 degrees-29 degrees) with flexibility of less than 30% was corrected to 38.3 degrees (range = 20 degrees-72 degrees) showing a 62% scoliosis correction at the final follow-up. Coronal imbalance was improved 72% at the most recent follow-up assessment. Preoperative thoracic kyphosis of 83 degrees (range = 65 degrees-104 degrees) in patients with kyphosis was corrected to 36 degrees (range = 25 degrees-48 degrees) at the most recent follow-up evaluation. Lumbar lordosis of 25 degrees (range = 8 degrees-35 degrees) in patients with hypolordotic deformity was corrected to 42 degrees. Two patients had nerve root palsies not identified during the surgery and healed completely in 6 months after surgery. Conclusion. PVCR is an effective technique because it is a spinal column shortening procedure and it allows to do correction in same session. However, it is a technically demanding procedure with possible risks for major complications