Assimilative Lighting with High-pressure Sodium Lamps Reduces Freesia Quality

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Comparison of real street lighting with sodium lamps and LEDs

The paper presents the comparison of luminous and electrical properties of modern LED-based luminaires with properties of the conventional luminaires with high pressure sodium lamp. It collects available product information of compared luminaires with measured luminous and electrical properties of them to allow a reader to take a view of mentioned luminaire properties. The most important values...

متن کامل

Zinc and sodium high pressure lamps for curing composite resins.

Polymerisation characteristics of conventional units for curing composite resins are insufficient considering handling feasibilities particularly in the premolar and molar region. There is also hazardous ocular effect of near ultra-violet part of visible spectra. Sodium high pressure lamp technology has been applied to develop a new high pressure zinc lamp, which is for the first time used for ...

متن کامل

High Power Factor Electronic Ballast for High Pressure Sodium Lamps With Low Crest Factor

In this paper will be reported the study and implementation of a single stage High Power Factor (HPF) electronic ballast for High Pressure Sodium (HPS) lamps using a Half-Bridge Boost Rectifier integrated with an Electronic Ballast based in a LCC filter. In the recent years many authors are working to obtain single stage HPF electronic ballast for fluorescent lamps [1-3]. Normally to obtain HPF...

متن کامل

Vegetative Growth of Potato under High- pressure Sodium, High-pressure Sodium SON-Agro, and Metal Halide Lamps

Potato (Solanum tuberosum L. cvs. Norland and Denali) plants were grown under high-pressure sodium (HPS), metal halide (MH), and blue-light-enhanced SON-Agro high-pressure sodium (HPS-S) lamps to study the effects of lamp spectral quality on vegetative growth. All plants were initiated from in vitro nodal cultures and grown hydroponically for 35 days at 300 μmol•m–2•s–1 photosynthetic photon fl...

متن کامل

Electronic Ballast for High-pressure Sodium Lamps with Acoustic Resonance Detection

This digest presents the study, design and implementation of an electronic ballast for high-pressure sodium lamp. The main feature is the capacity to detect and avoid the phenomenon known as acoustic resonance. Several techniques are discussed to solve the problems related to resonance acoustic detection, what take to real time system solution chosen. Besides this, a high efficiency prototype i...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: HortScience

سال: 1992

ISSN: 0018-5345,2327-9834

DOI: 10.21273/hortsci.27.12.1267