نتایج جستجو برای: a ir pollution
تعداد نتایج: 13473904 فیلتر نتایج به سال:
recently, the role of myostatin (mstn) in controlling insulin resistance (ir( has been known. the aim of this study was to determine acute and delayed response of mstn and ir to circuit resistance exercise. for this purpose, 12 healthy men volunteered and participated in 2 sessions of the resistance exercise and control with one-week interval. after a session to instruct how to perform resistan...
the centralization of human activities is associated with different pollutants which enter into environment easily and cause the urban environment more vulnerable. regarding the importance of air pollution issue for tehran metropolis, many plans and regulations have been developed. however, most of them failed to decline the pollution. the purpose of this study was to pathologically analyze air...
The insect repellents 3535 (ethyl butylacetylaminopropionate or IR3535) and deet (N,N-diethyl-3-methylbenzamide) were prepared as 20% solutions in absolute ethanol and evaluated for repellency against many mosquito species in Thailand under laboratory and field conditions using human subjects. In the laboratory, 0.1 ml was applied per 30-cm2 of exposed area on a volunteer's forearm (0.66-0.67 m...
background and aims: air pollution is one of the health problems worldwide. previous epidemiological studies have investigated the impacts of air pollution on respiratory and cardiovascular diseases. the aim of this study was to determine the associations between air pollution levels and different health indicators among world countries. methods: this ecological study was performed in 2013 by u...
Abstract Olive oil mill wastewater (OMW), a by-product of the olive industry, each year is generated millions tons all over Mediterranean countries. Uncontrolled disposal OMW leads to massive environmental problems including soil and water pollution. In this experimental study, was used partly replace clean for getting prepared formaldehyde solution. Then, phenol solutions were synthesized unde...
background and objectives: attenuated total reflectance-inferared (atr-ir) spectra can be used as a non-invasive fingerprinting approach in quality control of herbal samples. methods: twenty versatile herbal samples were subjected to attenuated total reflectance-inferared (atr-ir) spectroscopy followed by different clustering methods in order to determine by which method more reasonable classif...
یک واکنش دو جزئی بین مشتقات الکترون خواه بنزالدهید و سیلکو هگزان ایزوسیانید به طور موثری مشتقات a- هیدروکسی آمیدها را در حضور نانو سیلیکای اسیدی در شرایط بدون حلال و به صورت یک مرحله ای فراهم می کند. ساختار چنین ترکیباتی با اسپکتروسکوپی ir,1hnmr.13cnmrوx-ray تعیین شده اند.
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