نتایج جستجو برای: مدل air

تعداد نتایج: 325541  

2009
K. K. Jain

HBO is the most effectivetreatment of air embolism; it reduces the size of air bubbles and counteracts the secondary etTects. This chapter on cerebral air embolism examines: Causes .

2013
Esben Meulengracht Flachs Jan Sørensen Jakob Bønløkke Henrik Brønnum-Hansen

OBJECTIVE To explore how three different assumptions on demographics affect the health impact of Danish emitted air pollution in Denmark from 2005 to 2030, with health impact modeled from 2005 to 2050. METHODS Modeled air pollution from Danish sources was used as exposure in a newly developed health impact assessment model, which models four major diseases and mortality causes in addition to ...

2007
Richard L. Smith

This article reviews the literature on health effects of air pollution, with a primary focus on time series studies but also covering prospective studies and case-crossover designs. It also covers some of the controversies created by these studies and concludes with a brief review of air pollution standards in the U.S.

Journal: : 2022

به دلیل عدم قطعیت‌های شناختی، تصادفی و محدودیت‌های انعطاف پذیر، در این مطالعه مدل جدیدی از برنامه‌ریزی محدودیت شانس انعطاف‌پذیر، امکانی، استوار مختلط بر مبنای تئوری اعتبار برای طراحی شبکه زنجیره تامین حلقه بسته توسعه داده شد. نگرش‌های متفاوت تصمیم‌گیرندگان با اندازه‌گیری انعطاف‌پذیرتر پارامترهای خوش‌بینانه بدبینانه قالب معیار پاسخ حداقل سطح رضایت انعطاف‌پذیر حل بهینه گردید. پیشنهادی، قادر کاهش ...

Journal: : 2022

امروزه به­ دلیل شتاب روزافزون روند جهانی‌سازی در سراسر دنیا زنجیره تأمین ابعاد جدید به خود گرفته و بسیار پیچیده‌تر از قبل شده است. هوشمند باید طریق فناوری‌های مختلف به­خصوص اینترنت بتواند امکان تبادل اطلاعات سریع کل زنجیره‌ را فراهم کند. پژوهش حاضر یک مطالعه کیفی به­منظور ارائه مدل برای خدمات صندوق کارآفرینی امید صورت این روش داده‌بنیاد اشتراوس کوربین (1998)، استفاده تا اشباع نظری مصاحبه‌شوندگا...

Journal: :International journal of occupational medicine and environmental health 2011
Ulla-Maija Hellgren Markku Hyvärinen Rauno Holopainen Kari Reijula

OBJECTIVES Good ventilation is more important in hospitals than in many other buildings. The objective of this study was to evaluate the effect of the condition, performance and modernity of ventilation systems on the perceived indoor air quality (IAQ) and the indoor air-related symptoms of hospital personnel. MATERIALS AND METHODS An inspection and evaluation graded on a 1 to 3 scale of the ...

2010
Kui Yin Cheung

The rapid economic development and motorization in the last three decades in Beijing has resulted in the deterioration of Beijing’s air quality. Since 1998, the Beijing municipal government has made a great effort to improve Beijing’s air quality, resulting in significant progress in reducing air pollution in Beijing. However, the air quality is still below the international health standard, es...

2012
Jason Johnston

INTRO DUCTIO N .................................................................................... 1122 I. RISK ASSESSMENT: A PRIMER ........................................................... 1133 A . H istory and Structure ................................................................ 1133 B. What Is Risk? The Frequentist Answer .................................... 1142 II. RISK REGULATION...

Journal: :journal of ornamental plants 2015
a. abed esfahani h. amini n. samadi s. kar m. hoodaji

development of a green belt with suitable plant species around the source of emission can mitigate the atmospheric contamination. selection of such plant species are required to combat air pollution based on their tolerance level. present study was undertaken to evaluate the tolerance level of higher plants in east of esfahan city, iran, during 2011 in terms of assessing air pollution tolerance...

Journal: :Clinical Case Reports 2020

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید