نتایج جستجو برای: toxic level
تعداد نتایج: 1149508 فیلتر نتایج به سال:
BACKGROUND:Uncontrolled application of diazinon (DZN)can cause environmental contamination and adverse healtheffects on humans or animals. OBJECTIVES:This study aimed toinvestigate the toxic effects and the level of DZN in serum andtissues of rabbits following a sub acute dermal exposure totoxicant. METHODS:Different doses of DZN were applied dailyto New Zealand rabbits through the ear skin in ...
background: metals such as iron, zinc, and copper are critical and necessary for the survival of all living organisms, whereas xenobiotic metals such as lead, cadmium, mercury, and arsenic have no known biologic role. any metals in high doses can have toxic effects. the aim of this work was to evaluate the hematological changes induced by lead as a toxic metal and characterize the potential eff...
Workplace toxic exposures involving adolescents aged 14 to 19 years: one poison center's experience.
BACKGROUND While many previous reports describe injuries to adolescents in the workplace, few focus on toxic substance exposures among such injuries. Yet low-skill, entry-level jobs pose a particular hazard of toxic exposure owing to the frequent use of cleaning agents, solvents, and/or other chemicals in carrying out assigned tasks. OBJECTIVE To analyze the types and severity of adolescent o...
مرحله گذارقطع یک راهکار بسیارسودمند جهت تجزیه وتحلیل سری های زمانی تصادفی است. مادراین پایان نامه با معرفی این روش به تحقیق در مورد سری های زمانی فواصل ضربان قلب و سری زمانی شاخص بورس سهام چندشرکت وزبری سطح دررشد لایه های نازک می پردازیم. دراین روش می توان بااستفاده از تابع توزیع چگالی احتمال ?_?^+ نسبت به ? وهمچنین تابع توزیع چگالی احتمال بیشترین نقاط برخورد نسبت به مقدار شیب، تمایز قلب سالم و...
This study employs latent trajectory models measuring the level of toxic waste over a decade in the cities of six highly populated, ethnically diverse, counties in southern California from 1990 to 2000 in 3001 tracts. We find that tracts with 15% more Latinos are exposed to 84.3% more toxic waste than an average tract over this time period and tracts with 15% more Asians are exposed to 33.7% mo...
Social media platforms provide an environment where people can freely engage in discussions. Unfortunately, they also enable several problems, such as online harassment. Recently, Google and Jigsaw started a project called Perspective, which uses machine learning to automatically detect toxic language. A demonstration website has been also launched, which allows anyone to type a phrase in the i...
Experimental research was conducted on the study of the relationship of the general toxic and gonadotoxic effects of cadmium and boron under conditions of subacute and chronic oral intoxication on white random-bred rats, by use of biochemical, physiological, cytological, and pathomorphological methods. It is shown that the gonadotoxic effect of cadmium is manifested on the same level (3 mg/kg o...
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