نتایج جستجو برای: respectively. plants also showed highest amount of essential oil content (3.82%) and yield (8.5 gr.m
تعداد نتایج: 24117354 فیلتر نتایج به سال:
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...
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...
seasonal chenges in essential oil content, yield and composition of spearmint cultivated in shoshtar
spearmint (mentha spicata l.) is one of the most important mint family plants that has numerous applications in food, cosmetical, and pharmaceutical industries due to its valuable medicinal properties. in this research, the change in plant fresh and leaf dry weights, essential oil content, yield and composition during year as randomized complete block design with twelve treatments and three rep...
Dracocephalum moldavica L. is an annual species of Lamiacea family whose essential oil is widely used in medicinal, food, cosmetic and health industries. Drought stress is a major factor limiting plants growth and yield. The main objective of this study was to evaluate the influence of irrigation regime on essential oil content and composition of D. moldavica L. The Irrigation regimes were 100%...
a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...
anise hyssop is a prennial herb belonging to the lamiaceae family. essential oil of this plant is used in food, pharmaceuticals, cosmetics industries as well as flavoring liqueurs. since water stress affects the growth, productivity, as well influences the active principles governing medicinal plants, in this research the effect of different water deficit stresses on such morphological traits a...
background & aim: salvia hydrangea is one of the medicinal plants belonging to lamiaceae family. medicinal plants can be marketed as fresh or dried products; however aromatic plants are often dried before extraction to reduce moisture content. the aim of this study was to evaluate the impact of different drying methods on qualitative and quantitative changes in essential oil of sage. experiment...
بررسی تغییرات کمّی و کیفی اسانس مریم‌گلی اصفهانی (Salvia reuterana Boiss.) در شرایط رویشگاهی و زراعی
Salvia reuterana Boiss. is a herbaceous permanent plant, belongs to the family of Lamiaceae and is the endemic plant of Iran. The aim of this study was to evaluate changes in the essential oil content and composition of this species, appeared in field conditions (Karaj and Abhar) compared with wild condition (Aradan). The aerial parts of the plants were collected at the flowering stage and esse...
this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...
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