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extensive recent work in sociolinguistics has treated the matter of social dialects differences in language and language use that correlate with differences in social class.
کار اخیر گستردهای در زبانشناسی اجتماعی به موضوع تفاوتهای گویشهای اجتماعی در زبان و کاربرد زبان پرداخته است که با تفاوتهای طبقه اجتماعی مرتبط است.
Letzte Aktualisierung: 2021-12-31
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one of the advantages that laser rangefinders offer over other methods of computer vision is that the computer does not need to correlate features from two images to determine depth information as in stereoscopic methods.
یکی از مزیتهایی که فاصله سنجهای لیزری نسبت به سایر روشهای تصویر مجازی رایانهای دارند این است که رایانه نیازی به مرتبط کردن خصوصیات دو تصویر برای تعیین اطلاعات عمق (مثل روشهای برجسته بینی)ندارد.
Letzte Aktualisierung: 2016-03-03
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if you look at a cross-section of the human brain, looking from the top down, what you see is the human brain is actually broken into three major components that correlate perfectly with the golden circle.
اگر به یک مقطع از مغز انسان نگاه کنید، از بالا به پایین، می بینید که مغز انسان در حقیقت تقسیم شده به سه قسمت عمده که کاملا با دایره طلایی همخوانی دارد.
Letzte Aktualisierung: 2015-10-13
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abstract purpose:to monitor tumor blood flow noninvasively during photodynamic therapy (pdt) and to correlate flow responses with therapeutic efficacy. experimental design: diffuse correlation spectroscopy (dcs) was used to measure blood flow continuously in radiation-induced fibrosarcoma murine tumors during photofrin (5 mg/kg)/ pdt (75 mw/cm2 ,135 j/cm2 ). relative blood flow (rbf; i.e., normalized to preillumination values) was compared with tumor perfusion as determined by power doppler ultrasound and was correlated with treatment durability, defined as the time of tumor growth to a volume of 400 mm3 . broadband diffuse reflectance spectroscopy concurrently quantified tumor hemoglobin oxygen saturation (so2). results: dcs and power doppler ultrasound measured similar flow decreases in animals treated with identical protocols. dcs measurement of rbf during pdt revealed a series of pdt-induced peaks and declines dominated by an initial steep increase (average f se: 168.1 f 39.5%) and subsequent decrease (59.2 f 29.1%). the duration (interval time; range, 2.2-15.6 minutes) and slope (flow reduction rate; range, 4.4 -45.8% minute1 ) of the decrease correlated significantly (p = 0.0001 and 0.0002, r 2 = 0.79 and 0.67, respectively) with treatment durability. a positive, significant (p = 0.016, r 2 = 0.50) association between interval time and time-to-400 mm3 was also detected in animals with depressed pre-pdt blood flow due to hydralazine administration. at 3 hours after pdt, rbf and so2 were predictive (p v 0.015) of treatment durability. conclusion:these data suggest a role for dcs in real-time monitoring of pdt vascular response as an indicator of treatment efficacy
پایش غیرتهاجمی جریان خون تومور موش در طول و بعد از فتودینامیک تراپی ارزیابی اولیه اثربخشی درمانی را فراهم می کند.
Letzte Aktualisierung: 2022-04-29
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