نتایج جستجو برای: improvement of formability

تعداد نتایج: 21177662  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان 1386

چکیده ندارد.

2016
R. L. Weaber J. E. Beever H. C. Freetly D. J. Garrick S. L. Hansen K. A. Johnson M. S. Kerley D. D. Loy J. F. Taylor E. Marques H. L. Neibergs

Results of survey of stakeholders regarding knowledge of and attitudes towards feed intake, efficiency and genetic improvement concepts" (2016).

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی 1391

هدف اصلی تحقیق حاضر تبیین تاثیر برنامه ریزی پیش از انجام تکلیف بر بهبود مهارت نوشتاری زبان آموزان ایرانی در آموزش زبان تکلیف محور می باشد. به بیانی دیگر، این مطالعه رابطه بین برنامه ریزی پیش از انجام تکلیف و دو ویژگی زبانی در عملکرد نوشتاری یعنی پیچیدگی و دقت در مهارت نوشتاری را در سی یادگیرنده زبان در دو بخش عمده بررسی می کند. ابزارهای مورد استفاده برای جمع آوری داده ها در مطالعه حاضر شامل آزم...

2016
Nurul Fazita M. R. Krishnan Jayaraman Debes Bhattacharyya

Poly (lactic) acid (PLA) composites have made their way into various applications that may require thermoforming to produce 3D shapes. Wrinkles are common in many forming processes and identification of the forming parameters to prevent them in the useful part of the mechanical component is a key consideration. Better prediction of such defects helps to significantly reduce the time required fo...

Journal: :Physical review letters 2013
Matthew Warkentin James P Sethna Robert E Thorne

When pure water is cooled at ~10(6) K / s, it forms an amorphous solid (glass) instead of the more familiar crystalline phase. The presence of solutes can reduce this required (or "critical") cooling rate by orders of magnitude. Here, we present critical cooling rates for a variety of solutes as a function of concentration and a theoretical framework for understanding these rates. For all solut...

Journal: :Acta crystallographica. Section B, Structural science 2007
Huan Zhang Na Li Keyan Li Dongfeng Xue

On the basis of the bond-valence model (BVM) and structure-map technology, the structural stability and formability of ABO(3)-type perovskite compounds were investigated in 376 ABO(3)-type compounds. A new criterion of structural stability for ABO(3)-type perovskite compounds has been established by the bond-valence calculated tolerance factors, which are in the range 0.822-1.139. All global in...

Journal: :Journal of the Ceramic Society of Japan 2021

All-solid-state batteries using oxide electrolytes are regarded as safe batteries. However, most crystalline solid require high-temperature sintering for densification. Oxide with high formability, which enable the construction of high-performance batteries, thus required. In this study, Li4SiO4–Li2SO4 glasses and glass-ceramics were prepared by mechanochemical treatment subsequent heat at 270 ...

Journal: :Crystals 2022

The application of magnesium flat products is affected by the limited formability at room temperature and anisotropy mechanical properties. main reason for this underlying hexagonal crystal structure development strong crystallographic textures during massive forming processes with distinct alignment basal planes. For an improvement in properties semi-finished products, detailed knowledge influ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

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