نتایج جستجو برای: chiral omega
تعداد نتایج: 64449 فیلتر نتایج به سال:
an important property of electromagnetic fields, which arises from the interaction between fields and chiral molecules, is called optical chirality. by enhancing this field property, while maintaining constant input power, we are able to increase absorption of circularly polarized light by chiral molecules of a certain handedness. this enhancement is achieved through the use of achiral plasmoni...
در این پایان نامه به بررسی نامساوی های نیمه تغییراتی- تغییراتی با شرایط مرزی نیومن ناهمگن خواهیم پرداخت. فصل اول شامل تعاریف، مفاهیم و قضایای مقدماتی است و فصل دوم به بیان و بررسی قضیه نقاط بحرانی که در فصل های بعدی کاربرد زیادی دارد، اختصاص یافته است. در فصل سوم با استفاده از قضیه نقاط بحرانی، وجود دنباله ای بی کران از جواب های ضعیف، برای معادلات بیضوی شاملp - لاپلاس را بررسی خواهیم کرد. در فص...
A common approach in resolving enantiomers of chiral basic drugs by capillary electrophoresis (CE) is to use cyclodextrins (especially their anionic derivatives) as chiral selector in the acidic buffer (pH ≤ 3) in normal or reversed (carrier) mode. Then, some organic modifiers are added to the buffer solution if the resolution is not satisfactory. In case of cetirizine (CTN), applying the same ...
In the present paper, the expressions for scalar and vector potentials in lossless isotropic chiral media are analyzed. Propagating eigenvalues of these potentials are then obtained. Furthermore by decomposition of sources and fields in a chiral medium, we introduce the auxiliary right-and left-handed potentials and find the associated fields. These potentials are used to solve the problem of a...
در این پایان نامه با هدف نهایی تعیین بار فرمیونی سالیتونها، جفت شدگی میدانهای فرمیونی و سالیتونی در نظر گرفته شده است . در فصل اول مفاهیم سالیتون و امواج سالیتاری مورد بررسی قرار گرفته، و در این راستا چنین امواجی با مثالهایی در 1+1 و 1+2 بعد توصیف گردیده اند. در فصل دوم قطبیده شدن خلاء فرمیون (vacuum polarization: vp) در حضور میدان سالیتونی مورد بررسی قرار گرفته. در این زمینه در سال 1994 گوشه و...
In the context of holographic QCD we analyze Sakai-Sugimoto’s chiral model at finite baryon density and zero temperature. The baryon number density is introduced through compact D4 wrapping S4 at the tip of D8-D8. Each baryon acts as a chiral point-like source distributed uniformly over R3, and leads a non-vanishing U(1)V potential on the brane. For fixed baryon charge density nB we analyze the...
A common approach in resolving enantiomers of chiral basic drugs by capillary electrophoresis (CE) is to use cyclodextrins (especially their anionic derivatives) as chiral selector in the acidic buffer (pH ≤ 3) in normal or reversed (carrier) mode. Then, some organic modifiers are added to the buffer solution if the resolution is not satisfactory. In case of cetirizine (CTN), applying the same ...
the biological effects of omega-3 and omega-6 fatty acids are determined by their mutual interactions. this interaction extremely affects various functions. lower consumption of omega-3 during gestation leads to various disorders, even in hearing. we aimed to assess the effect of low omega-3/omega-6 ratios on auditory nerve conduction. in this experimental study, the auditory brainstem response...
the aim of this study is investigating the transport mechanism of ibuprofen chiral isomers inside singlewall carbon nano tube (swcnt) using mathematical modeling. to achieve this goal, molecular dynamicssimulation has been performed to evaluate the interactions of ibuprofen isomers with swcnt in an aqueoussolution. results show that both chiral forms of ibuprofen molecules enter and remain insi...
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