Abstract To increase nitrogen (N) use efficiency and reduce water pollution from vegetable production, it is necessary to optimize N management. Fluorescence-based optical sensors are devices that can improve fertilization through non-destructive field monitoring of crop variables. The aim this work was compare the performance five fluorescence indices (SFR-R, SFR-G, FLAV, NBI-R, NBI-G) predict...

cancer is the second most common cancer in Ko-rea, but mortality due to gastric cancer is decreasing. This phenomenon is probably a result of the National Cancer Screening Program, which provides biennial endoscopic screening and facilitates early detection of gastric cancer that can be cured by endoscopic treatment or minimally invasive surgery. 1 During the endoscopic screening, precancerous ...

controlled vocabularies have been frequently used in information retrieval systems. control of the vocabularies and evaluating the utility of their terms are two critical questions. this research aims at the development of persian subject headings through statistical analyses. the current research was conducted on more than 450,000 records extracted from the electronic version of national bibli...

Abstract. Paper reports observation of the LH transition at very low density in the experiments on countercurrent Neutral Beam Injection (NBI) in the TUMAN-3M tokamak. The transition has been found at target average density as low as 0.5⋅10 m. Low input power in these experiments should be noticed: Pinput ≈ 1.3POHM < 240 kW. Contrary, in the case of co-current NBI the LH transition is difficult...

BACKGROUND Narrow band imaging (NBI) features of normal and early nasopharyngeal carcinoma (NPC) have not been clearly described. The main purpose of this study was to define NBI features in the nasopharynx in the detection of early NPC. METHODS We conducted a prospective cohort study of 53 patients who underwent NBI endoscopy to describe its specific features. RESULTS Among 19 normal patie...

OBJECTIVES To determine the value of narrowband imaging (NBI) screening for the early detection of head and neck squamous cell carcinoma (HNSCC) in patients who have received treatment and to assess the impact of radiotherapy on detection rates. DESIGN Cross-sectional study. SETTING Tertiary referral center. PATIENTS From July 1, 2007, through February 28, 2008, a total of 206 patients wi...

نخستین گام در راستای تحلیل و ارزیابی ریسک‌های زنجیره تأمین شناسایی این ریسک‌ها است. روش‌های مرسوم بر اساس فیلترهای دستی یا خودکار داده‌­محور ارائه شده فیلتر به‌­دلیل محدودیت‌های نمونه‌گیری دارای مشکلات اعتبارسنجی هستند از طرف دیگر مبتنی داده، داده‌های ریسک که پیچیده مبهم هستند، عملکرد ضعیفی دارند. برای پرکرده خلل پژوهشی، پژوهش، چارچوبی تعاملی بین تحلیل‌­گر ماشین حجم وسیعی حوزه مواد غذایی با است...