نتایج جستجو برای: it is necessary to take safety precautions

تعداد نتایج: 11504296  

2001
Vern R. Walker

Precautionary Principle: A Critique of Food Safety Regulation in the United States by Vern R. Walker A more substantive precautionary principle of international law is evolving as new treaties articulate new measures of precaution in different contexts. Although there is considerable controversy over how to articulate or define a precautionary “principle” of law, the goal is to ensure that the ...

Journal: :Indian Journal of Ophthalmology 2018

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده ادبیات و علوم انسانی 1392

when we return to the concept of poetry and the age-old discussion about the uselessness or the usefulness of the poets to the private and public state of human beings, originating from plato and aristotles views about poets respectively, there emerges the question of the role of poetry in human beings lives. in the same manner, with the advance of technology and the daily progress and improvem...

ژورنال: مدیریت پرستاری 2022

Background : Standard precautions aimed at protecting members of the treatment team from the occupational hazards they face on a daily basis have been recommended to members of the treatment team in recent years, but evidence indicates that these guidelines are not fully followed. The purpose of this study is to provide a clear of the challenges related to non-compliance with standard precautio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1392

this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...

پایان نامه :0 1375

to explore the idea the investingation proposed, aimed at finding whether the performances of the population of iranians students studying english in an efl context are consistent in l1 and l2 writing taks and whether there is a cross-linguistic transfer in this respect. in this regard the subjects were instructed to write four compositions-two in english and two in farsi-which consisted of an ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1390

abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...

آرتیمانی, طیبه , امیدی, زهرا , خداویسی, مسعود, سلطانی, فرزانه,

  Background: Blood borne diseases threaten the health and safety of patients and health care workers worldwide. To prevent from these diseases, compliance with standard precautions is essential. The purpose of this study was to determine the level of compliance with standard precautions in midwives, midwifery students & helper staff of 3 birth centers in Hamadan.   Methods: This cross-sectiona...

Journal: :محیط زیست طبیعی 0
زهره احمدی کردستانی دانشگاه تهران، دانشجوی کارشناسی ارشد مهندسی محیط زیست امیرحسین حمیدیان - استادیار دانشگاه تهران، دکترای مهندسی محیط زیست- سید ولی حسینی - دانشگاه تهران، دکترای مهندسی شیلات سهراب اشرفی - دانشگاه تهران، دکترای مهندسی محیط زیست

: heavy metals are chemical pollutants characterized by their toxicity, stability, bioaccumulation and biomagnification. they might accumulate in aquatic organisms, transfer through food chain and enter into human body. therefore, the study of their accumulation in the edible aquatic species has been a very important part of ecological and monitoring investigations. astacus leptodactylus is a b...

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