نتایج جستجو برای: protection
تعداد نتایج: 179842 فیلتر نتایج به سال:
steel pipelines are susceptible to corrosion by the action of corrosive substance in the environment and one of the most common failure modes in buried pipeline coatingis cathodic disbondment. consequently, electrochemical impedance spectroscopy (eis) was used to assess the effect of three important parameters, the thickness of coating, the artificial defect and electrolyte type, on cathodic di...
background: the accidents are the leading cause of morbidity and mortality among children in in the world. the aim of this study was to determine the effect of educational intervention on promotion of prevention behaviors of home accidents in mothers with children less than 5- year based on protection motivation theory (pmt) in 2015. materials and methods: in this controlled interventional stud...
background: accidents are the first cause of death in children under 5- year, especially in low- and middle-income countries. the aim of this study was to identify the determinants of prevention behavior of domestic accidents in mothers of children fewer than 5 years old based on protection motivation theory )pmt(. materials and methods: in this cross-sectional descriptive-analytic study, 190 m...
an oil adjuvant vaccine (oav) was prepared from a local strain of pasteurella multocida. strain 6:b was cultured and inactivated by formalin. bacterial pellet was prepared by centrifugation and subsequently adjuvanted by montannide oil isa-70. a dose of prepared vaccine containing 3ml (2mg dry weight/ml) was injected into five calves by im route. animals were bled before and at 24, 90, 150, and...
the objective of this study was to assess the level of knowledge of the turkish farmers with regard to fertilizer usage. farmers in the kazova district of turkey's tokat province were interviewed regarding their soil maintenance practices. the interview was based on a standardized questionnaire the answers being recorded at the time of interview. simple random sampling method was used to de...
this paper aims to analyze tariff protection policies in the agricultural sector of developing countries. the agricultural tariff structure in developing countries is characterized by: i) high average tariffs, ii) the existence of tariff escalation, iii) dispersion of nominal tariffs across tariff lines, and iv) a wide gap between average nominal tariffs and import-weighted average tariffs. con...
cesium content and some other more radiologically important mineral elements were measuredby nuclear and non-nuclear analytical methods in iranian daily diets.this study was extended to a few moresimilar functioning elements such as sr, rb, i, k, mg and ca as well. though the 137cs and otherradionuclieds were not measured in these diets under planned regular investigation in this work, but inco...
the objective of this study was to investigate the effects of saffron as a natural sunscreen and moisturizer. the pollens of the saffron were dried and powdered in a grinder. the experimental formulations included a homosalate (8%) lotion reference, lotions with 2, 4 and 8% of grinded saffron, and the control lotion base without saffron. the lotions containing saffron were prepared like homosal...
in this work, polypyrrole/ceo2 nanocomposite (nc) was synthesized in the presence of methylorange as a reactive self-degraded soft template. the field emission scanning electron microscopy(fesem) images indicate that the ceo2 nps have a nucleus effect and cause a homogenous ppycore–shell type morphology with an encapsulation of the ceo2 core by the ppy shell. the effect ofnc on acrylic waterbor...
introduction: the existence of standard tools is one of the basic needs of scientists of healthy behavior for predicting health-related behaviors. the aim of the present study was to design a psychometrically sound instrument to measure the protection motivation theory constructs regarding self-medication for elderly iranians. methods: the study was conducted in spring 2016. the sample consiste...
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