81 research outputs found

    Rehabilitation of Low rise RCC Structure along 9m High Retaining wall

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    Mumbai is the financial, commercial and entertainment capital of India, facing bigger challenges in accommodating its over growing population day by day. The Mumbai City has population of 18.4 million over its 634 km2 area, ie. Almost 350 ft2/person. This enormous rise in population density has restricted the development to expand vertically. This also, results in growth of major slums, which is almost 62% of the population dwelling in slums. Subsequently, the authorities is in need of a large scaled Slum Sanitation Program, which utilize the scarcely available land for construction of Community Toilet Blocks with involvement of NGO’s and social experts like Tata Institute of Social Sciences. In this paper an attempt has been made to rehabilitate a G+2 public Toilet Block constructed in very densely populated slum along the hill side of Eastern Mumbai Suburb. The structure is recently constructed on the top of 9 m high retaining wall which has faced an incident of failure of old rubble retaining wall, during course of heavy rains at a rate 100mm in an hour. It caused the soil below the foundation to slip off partially. It was indeed a challenging job to retrofit and stabilize the Structure with best possible technology in the critical site as well as climatic conditions. The short-term as well as long term solution was recommended with the limitation of time and the availability of space. The paper presents, the approach to achieve, durable, sustainable - Structural and Geotechnical Solutions, for Rehabilitating the said (G+2) Structure and the 9m high retaining wall

    多様な管理・環境条件でのイネ遺伝子型の生産のための効率的な水利用に関する生理・生態学的研究

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    学位の種別: 課程博士審査委員会委員 : (主査)東京大学准教授 鴨下 顕彦, 東京大学教授 山岸 順子, 東京大学教授 岡田 謙介, 東京大学客員教授 深井 周, 東京大学客員教授 ランガナサン チャンドラバブUniversity of Tokyo(東京大学

    Ethyl 3-[(6-chloro­pyridin-3-yl)meth­yl]-2-oxoimidazolidine-1-carboxyl­ate

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    In the title compound, C12H14ClN3O3, the imidazole ring adopts a half-chair conformation. The dihedral angle between the pyridine and imidazole rings is 70.0 (1)°. In the crystal, the molecules are linked by C—H⋯O inter­actions, forming chains parallel to the c axis

    1-[(6-Chloro­pyridin-3-yl)meth­yl]imidazolidin-2-iminium chloride

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    The title compound, C9H12ClN4 +·Cl−, is a natural metabolic product of imidacloprid [systematic name: (E)-1-(6-chloro-3-pyridyl­meth­yl)-N-nitro­imidazolidin-2-yl­idene­amine] and was obtained by the reduction of the latter using Fe in HCl. The dihedral angle between the pyridine and imidazole rings is 62.09 (12)°. The crystal structure is stabilized by N—H⋯Cl and C—H⋯Cl inter­actions involving the chloride anion. The pyridine N and the chloride atoms are not involved in inter­molecular inter­actions

    Interhospital Transfer Before Thrombectomy Is Associated With Delayed Treatment and Worse Outcome in the STRATIS Registry (Systematic Evaluation of Patients Treated With Neurothrombectomy Devices for Acute Ischemic Stroke).

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    BACKGROUND: Endovascular treatment with mechanical thrombectomy (MT) is beneficial for patients with acute stroke suffering a large-vessel occlusion, although treatment efficacy is highly time-dependent. We hypothesized that interhospital transfer to endovascular-capable centers would result in treatment delays and worse clinical outcomes compared with direct presentation. METHODS: STRATIS (Systematic Evaluation of Patients Treated With Neurothrombectomy Devices for Acute Ischemic Stroke) was a prospective, multicenter, observational, single-arm study of real-world MT for acute stroke because of anterior-circulation large-vessel occlusion performed at 55 sites over 2 years, including 1000 patients with severe stroke and treated within 8 hours. Patients underwent MT with or without intravenous tissue plasminogen activator and were admitted to endovascular-capable centers via either interhospital transfer or direct presentation. The primary clinical outcome was functional independence (modified Rankin Score 0-2) at 90 days. We assessed (1) real-world time metrics of stroke care delivery, (2) outcome differences between direct and transfer patients undergoing MT, and (3) the potential impact of local hospital bypass. RESULTS: A total of 984 patients were analyzed. Median onset-to-revascularization time was 202.0 minutes for direct versus 311.5 minutes for transfer patients ( CONCLUSIONS: In this large, real-world study, interhospital transfer was associated with significant treatment delays and lower chance of good outcome. Strategies to facilitate more rapid identification of large-vessel occlusion and direct routing to endovascular-capable centers for patients with severe stroke may improve outcomes. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02239640
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