نتایج جستجو برای: عدد spad

تعداد نتایج: 16996  

ژورنال: :تولیدات گیاهی 2014
سمانه حبیبی موسی مسکرباشی معصومه فرزانه

به منظور بررسی تأثیر قارچ های میکوریزا آربوسکولار بر شاخص های فیزیولوژیکی گیاه گندم، رقم چمران، تحت تنش شوری آزمایشی گلدانی در مزرعه تحقیقاتی دانشگاه شهید چمران اهواز به صورت یک بار خرد شده ی فاکتوریل در قالب طرح بلوک های کامل تصادفی با سه تکرار در سال زراعی 91-1390 به اجرا در آمد. فاکتورهای مورد آزمایش شامل فاکتور اول، شوری آب (کیفیت آب) در چهار سطح آب تصفیه (ds m-1 1 ≥ec)، آب شهری (ds m-1 3-7...

2015
Shen Yuan Yong Li Shaobing Peng Keqiang Wu

Leaf lateral asymmetry in width and thickness has been reported previously in rice. However, the differences between the wide and narrow sides of leaf blade in other leaf morphological and physiological traits were not known. This study was conducted to quantify leaf lateral asymmetry in leaf width, leaf thickness, specific leaf weight (SLW), leaf nitrogen (N) concentration based on dry weight ...

1996
Michael J. Lewis Andrew S. Grimshaw

Wide area distributed object systems will require mechanisms for creating, describing, and managing objects. The mechanisms must be scalable and must not mandate particular policies or algorithms because users will have different cost, security, performance, and functionality demands. Legion is a wide area distributed object system that supports this requirement using a first-class active class...

2015
Vojtech Michálek Ivan Procházka Josef Blazej

During last two decades, several photon counting detectors have been developed in our laboratory. One of the most promising detector coming from our group silicon K14 Single Photon Avalanche Diode (SPAD) is presented with its valuable features and space applications. Based on the control electronics, it can be operated in both gated and non-gated mode. Although it was designed for photon counti...

2017
Samuel Burri Claudio Bruschini Edoardo Charbon

The LinoSPAD camera system is a modular, compact and versatile time-resolved camera system, combining a linear 256 high fill factor pixel CMOS SPAD (single-photon avalanche diode) sensor with an FPGA (field-programmable gate array) and USB 3.0 transceiver board. This modularization permits the separate optimization or exchange of either the sensor front-end or the processing back-end, depending...

Journal: :The Review of scientific instruments 2007
Hod Finkelstein Mark J Hsu Sanja Zlatanovic Sadik Esener

Single-photon avalanche diodes (SPADs) provide photons' time of arrival for various applications. In recent years, attempts have been made to miniaturize SPADs in order to facilitate large-array integration and in order to reduce the dead time of the device. We investigate the benefits and drawbacks of device miniaturization by characterizing a new fast SPAD in a commercial 0.18 microm compleme...

2008
Simona Privitera Salvatore Tudisco Luca Lanzanò Francesco Musumeci Alessandro Pluchino Agata Scordino Angelo Campisi Luigi Cosentino Paolo Finocchiaro Giovanni Condorelli Massimo Mazzillo Salvo Lombardo Emilio Sciacca

Single photon detection is one of the most challenging goals of photonics. In recent years, the study of ultra-fast and/or low-intensity phenomena has received renewed attention from the academic and industrial communities. Intense research activity has been focused on bio-imaging applications, bio-luminescence, bio-scattering methods, and, more in general, on several applications requiring hig...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده کشاورزی 1390

به منظور بررسی اثر تنش کمبود آب بر عملکرد و اجزای عملکرد و صفات فیزیولوژیک لوبیا بومی گیلان آزمایش گلخانه ای به صورت فاکتوریل در قالب طرح کاملا تصادفی با 4 تکرار در سال زراعی 1388 در گلخانه پژوهشی دانشگاه گیلان انجام گردید. در این پژوهش دو ژنوتیپ لوبیا بومی گیلان( رگه قرمز و رگه مشکی) در چهار سطح رطوبتی (آبیاری پس از 25، 50، 75 و 100 درصد تخلیه مجاز) مورد بررسی قرار گرفتند. نتایج حاصل نشان داد ...

Journal: :Optics express 2009
D L Boiko N J Gunther N Brauer M Sergio C Niclass G B Beretta E Charbon

It is not widely appreciated that many subtleties are involved in the accurate measurement of intensity-correlated photons; even for the original experiments of Hanbury Brown and Twiss (HBT). Using a monolithic 4 x 4 array of single-photon avalanche diodes (SPADs), together with an off-chip algorithm for processing streaming data, we investigate the difficulties of measuring second-order photon...

2012
D. Bronzi F. Villa S. Bellisai S. Tisa G. Ripamonti S. Weyers U. Paschen

We designed and characterized Silicon Single-Photon Avalanche Diodes (SPADs) fabricated in a high-voltage 0.35 μm CMOS technology, achieving state-of-the-art low Dark Counting Rate (DCR), very large diameter, and extended Photon Detection Efficiency (PDE) in the Near Ultraviolet. So far, different groups fabricated CMOS SPADs in scaled technologies, but with many drawbacks in active area dimens...

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