نتایج جستجو برای: ppp projects

تعداد نتایج: 91709  

Journal: :Sustainability 2022

The inadequate risk management of public–private partnership (PPP) projects is a principal cause project distress or failure. This research seeks to identify and empirically validate measures effective (ERM) in the context PPPs developing country, subject that has received scant attention extant literature. based on comprehensive literature review, expert interviews questionnaire survey. Mean s...

Journal: :Central Asian economic review 2023

The purpose of the study to determine main stages development functioning public-private partnership (hereinafter – PPP) in Kazakhstan and assess PPP based on analysis experience Kazakh model. Methodology. scientific article uses works foreign domestic scientists, regulatory legal acts other official sources. a systematic approach method comparative analysis. Originality / value research. resea...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده فنی 1393

چکیده: در ژئودزی هندسی ماهواره ای پیشرفته یکی از روش های تعیین موقعیت، تعیین موقعیت نقطه ای دقیق (precise point positioning) یا تعیین موقعیت مطلق(ppp) می باشد که با استفاده از افمریزهای دقیق ماهواره ای (precise ephemerides) انجام می شود.از مزایای این روش این است که می توان با یک دستگاه گیرنده gps و بدون نیاز به نقطه رفرانس، موقعیت مطلق ایستگاه را تعیین کرد و به سطح دقت یک سانتیمتر رسید و مزیت ...

Journal: :International Journal of Strategic Property Management 2020

Journal: :Sustainability 2022

To alleviate project financial pressure and improve performance, the public-private partnership (PPP) arrangement was introduced by central government of China to facilitate sustainable development infrastructure. However, arising credit crisis from PPP may damage both private’s public’s interests, affect performance projects consequently. In order understand influence between we constructed a ...

Journal: :Molecules 2018
Yujing Qin Qingxia Yuan Yuexing Zhang Jialu Li Xinjiao Zhu Lingling Zhao Jing Wen Jikai Liu Longyan Zhao Jinhua Zhao

Enzyme-assisted extraction optimization, characterization and in vitro antioxidant activity of polysaccharides from sea cucumber Phyllophorus proteus (PPP) were investigated in the present study. The optimal extraction conditions with a yield of 6.44 ± 0.06% for PPP were determined as follows: Extraction time of 2.89 h, ratio of extraction solvent to raw material of 16.26 mL/g, extraction pH of...

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