نتایج جستجو برای: value method and economic value
تعداد نتایج: 17144118 فیلتر نتایج به سال:
چکیده ندارد.
Examining the economic value of carbon sequestration in forests is essential, given the risk of global climate change, which has posed a profound challenge to societies internationally. The present study investigates the amount of carbon sequestration and its economic value in the oak forests (Quercus brantii L.) of Pahnus forest habitat with an area of 990 ha, located in Chaharmahal va Bakhtia...
in this paper, we use modified laplace decomposition method to solving initial value problems (ivp) of the second order ordinary differential equations. theproposed method can be applied to linear and nonlinearproblems
fc تشنجی است که بین 6 ماه تا 60 ماه در کودکان، همراه با تب 38 درجه و بالاتر در عدم حضور عفونت دستگاه اعصاب مرکزی، اختلالات متابولیکی و سابقه ای از تشنج afebrile رخ می دهد. تشنج های همراه با تب می تواند به دلیل مننژیت، آبسه مغزی، انسفالیت، صرع تشخیص داده نشده ای که با تب بروز می کند و یا fc باشد. با توجه به تفاوت شیوع fc در جمعیت های مختلف و اختلاف نوع فاکتور هایی که شاید با ابتلا به fc ارتباط د...
چکیده فارسی عنوان : تأثیر نوع پوشک بر فراوانی عفونت مجدد ادراری در شیرخواران و کودکان اساتید راهنما : دکتر پارسا یوسفی، فوق تخصص نفرولوژی کودکان، دانشیار دانشگاه دکتر منیژه کهبازی، فوق تخصص عفونی کودکان، دانشیار دانشگاه اساتید مشاور: دکتر محمد رفیعی، دکترای آمار حیاتی، دانشیار دانشگاه دکترحسن طاهر احمدی، متخصص کودکان، استادیار دانشگاه نگارش و پژوهش : فاطمه معتمد مقدمه : عفونت دستگاه...
this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...
3 The distinction between forecast quality and economic value in a cost-loss 4 formulation is well known. Also well-known is their complex relationship, even 5 with some instances of a reversal between the two, where higher quality is 6 associated with lower economic value, and vice versa. It is reasonable to expect 7 such counter-intuitive results when forecast quality and economic value both,...
introduCtion ELEPHANTS PLAY a huge role within any landscape where they occur. They are habitat engineers. As charismatic species they awaken emotions among people like few others. As keystone species, they contribute significantly to the integrity of ecosystems and must be very carefully managed. From an economic perspective, they are also value generators. In this broad context, we first cons...
This paper describes ways to evaluate the value of walking (the activity) and walkability (the quality of walking conditions, including safety, comfort and convenience). Walking and walkability provide a variety of benefits, including basic mobility, consumer cost savings, cost savings (reduced external costs), efficient land use, community livability, improved fitness and public health, econom...
Water, as the most valuable component of natural resources, is badly needed by humanbeing for various perposes. Understanding of water conservation role of different types of rangeland ecosystems, increases the accuracy of monetary value estimation and prevents underestimation its value by consumers. This study focuses on the role of vegetation to increase water storage. For that, the runoff ...
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