نتایج جستجو برای: tct

تعداد نتایج: 6884  

Journal: :The Annals of thoracic surgery 2001
M E Deeb C J Brinster J Kucharzuk J B Shrager L R Kaiser

BACKGROUND Transcervical thymectomy (TCT) is an accepted though controversial approach for thymectomy in myasthenia gravis (MG). The suggestion of thymoma on computed tomography (CT) has been considered a contraindication to TCT. We sought to determine whether the indications for TCT could be safely expanded to include selected patients with thymomas as well as other types of anterior mediastin...

Journal: :Ocean Engineering 2021

The monopile foundations of offshore wind turbines in shallow waters are susceptible to be affected by tidal scour, which takes away the sand and soil around monopiles poses a serious threat safety turbines. To mitigate this issue, much effort has been made previously. However, all existing protective measures do not have added value other than scouring mitigation. In view this, new scour mitig...

Journal: :Bioresources 2021

The extraction of bayberry tannins has potential to maximize the utilization a forest waste. This study employed four-level central composite design through response surface methodology optimize tannin from barks ultrasound-assisted (UAE). effects solute solvent ratio (STSR), concentration (SC), time (ET), and sonication temperature (ST) on total yield condensed (TCT yield) phenolic content (TP...

Journal: :Sustainability 2022

Traffic conflict technology (TCT) is widely used to assess the safety of work zones. The current TCT temporal and (or) spatial proximity defined based, which can only detect two-vehicle or multi-vehicle conflicts, not competent for single-vehicle conflicts. However, accidents in zones are also severe. This study proposes a detection method all types traffic conflicts Based on vehicle micro-beha...

2012
Dongchen Li Xihong Wu

A key observation is that concept compound constituent labels are detrimental to parsing performance. We use a PCFG parsing algorithm that uses a multilevel coarse-to-fine scheme. Our approach requires a sequence of nested partitions or equivalence classes of the PCFG nonterminals, where the nonterminals of each PCFG are clusters of nonterminals of the finer PCFG. We use the results of parsing ...

با توجه به وجود ناهمگنی زیاد در خصوصیات سطح زمین ازجمله تنوع در نوع پوشش سطح، شرایط توپوگرافی متنوع و قرارگیری در موقعیت­های جغرافیایی مختلف، بررسی ارتباط دما و شار تابش خالص سطح با خصوصیات ذکرشده از اهمیت بالایی برخوردار است. هدف از مطالعه حاضر، بررسی ارتباط بین دما، تابش خالص سطح با خصوصیات بیوفیزیکی و کاربری اراضی منطقه می­باشد. برای این منظور، از تصویر ماهواره­ای لندست 8، محصول بخارآب مودیس...

Journal: :Journal La Edusci 2022

The purpose of this research is to analyze and evaluate the Teacher Competency Test (TCT) implementation in Makassar, South Sulawesi, Indonesia. In addition, analyzed perspectives instructors, officer representatives, academics on TCT Objective Implementation, as well Program's Effectiveness Efficiency. This used a qualitative approach in-depth interviews. results imply that current does not ac...

Journal: :Obrabotka metallov 2023

Introduction. Borocoppering is one of the methods thermochemical treatment (TCT) aimed at forming diffusion layers with high physical and mechanical properties on surface carbon alloy steels. The thickness layer most important characteristic TCT, which determines depth hardening. Consequently, intensity main characteristics TCT (layer thickness, alloying element concentration profile) depend pr...

ژورنال: :سنجش از دور و سامانه اطلاعات جغرافیایی در منابع طبیعی 0
محمد کریمی فیروزجایی دانشجوی کارشناسی ارشد سنجش از دور و سیستم اطلاعات جغرافیایی، دانشگاه تهران مجید کیاورز مقدم استادیار دانشکده جغرافیا، دانشگاه تهران

با توجه به وجود ناهمگنی زیاد در خصوصیات سطح زمین ازجمله تنوع در نوع پوشش سطح، شرایط توپوگرافی متنوع و قرارگیری در موقعیت­های جغرافیایی مختلف، بررسی ارتباط دما و شار تابش خالص سطح با خصوصیات ذکرشده از اهمیت بالایی برخوردار است. هدف از مطالعه حاضر، بررسی ارتباط بین دما، تابش خالص سطح با خصوصیات بیوفیزیکی و کاربری اراضی منطقه می­باشد. برای این منظور، از تصویر ماهواره­ای لندست 8، محصول بخارآب مودیس...

Journal: :Metals 2021

In this study, the effect of intermetallic compound (IMC) bridging on cracking resistance microbumps with two different under bump metallization (UBM) systems, Cu/solder/Cu and Cu/solder/Ni, a thermal cycling test (TCT) is investigated. The height Sn2.3Ag solders was ~10 µm, which resembles that most commonly used microbumps. We adjusted reflow time to control IMC level. samples levels were tes...

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