نتایج جستجو برای: ssential oil
تعداد نتایج: 138743 فیلتر نتایج به سال:
E ssential oils (EO) are volatile odors obtained from various plants. Their usage dates from ancient India and Egypt, and they have been used for more than 5 thousand years. The EO can be produced by distillation, expression, and CO 2 high-pressure methods. Today, they are widely used for esthetic and therapeutic purposes by inhalation, oral administration, or through the skin. In the fields of...
In rational drug therapy, the oncurrent administration of two or ore antimicrobial agents is often ssential and sometimes mandatory in rder to achieve the desired erapeutic aim to treat co-existing iseases. However, drug interaction ay have different effects on the host s well as the infecting organism (1) nd can decrease potency, increase dverse effect or toxicity (2). reatment of mixed infect...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
By RALPH L. NACHMAN, HERBERT I. HoRowrrz AND RICHARD T. SILVER E SSENTIAL THROMBOCYTOSIS is a disorder of unknown etiology characterized by a marked increase in the number of circulating platelets, and max’ l)C related to the myeloproliferative diseases.1 In the course of this condition, many patients develop hemorrhagic and/or thrombotic complicalions, which may result from an abnormal number ...
the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
In the present study, the antioxidant and antimicrobial effects of essential oil (EO) and extract of Pimpinella affinis on the shelf life of rainbow trout during storage at refrigerator temperature based on three indicators of microbial, chemical and sensory quality parameters were evaluated. For this purpose, fish samples were stored in zein coatings containing 1.00% EO and 2.00% extr...
کرچک (ricinus communis l.) یکی از مهمترین گیاهان دارویی مورد استفاده در صنایع داروسازی، آرایشی و بهداشتی بیشتر کشورهای توسعه یافته است. روغن بدست آمده از دانه های این گیاه جزء با ارزش ترین مواد مسهل و ملین در پزشکی می باشد. فاکتورهای اقلیمی بویژه عرض جغرافیایی، ارتفاع محل، درجه حرارت، شدت نور، بارندگی و خصوصیات خاک، تاثیر عمده ای بر کمیت و کیفیت مواد موثره می گذارد. به منظور مطالعه تاثیر اقلیم ...
in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...
به منظور مطالعه تاثیر تاریخ کاشت بر صفات مورفولوژیکی، رشدی و کمیت و کیفیت مواد موثره بذر کرچک، آزمایشی با شش تاریخ کاشت (15 فروردین، 30 فروردین، 15 اردیبهشت، 30 اردیبهشت، 15 خرداد و 30خرداد) در قالب طرح بلوک کامل تصادفی در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه تربیت مدرس در سال 1390-1389 انجام گردید. در طول این تحقیق مراحل فنولوژیکی، فاکتورهای رشدی و مورفولوژیکی، فاکتورهای عملکردی، فاکتورهای ف...
T C a r t t h m t E i m e t q m t m i k s W v g s a n today’s economy, employers are looking to maximize efficiency and employees are doing everything hey can to demonstrate their value. hese complementary interests crete the fertile ground from which sucessful mentoring, whether an orgaizational program or an individual elationship, can grow. Those individals who take greater personal reponsib...
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