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Description
sansi grow light bulbs SANSI BR30 36W LED Grow Light Bulb, Perfect for Home and Greenhouse. JP E26 / 3-packKey Features : 4000K Daylight: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm 780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality. Secondary Optical Design: PPF: 65. 6 umol s, PPFD: 265. 58 mol s @
Key Features :
- 4000K Daylight: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
- Secondary Optical Design: PPF: 65.6 umol/s, PPFD: 265.58 μmol/s/㎡ @ 1ft. Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve light bulb lifespan to 25,000 hours.
- Patented COC Technology: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency.
- Safe & Reliable: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable; low IR, less heat radiation, avoiding close Distance exposure burns plants.
- Guarantees: ETL listed, quality and safety verified, 5-year protection plan.
Specifications :
Item Model Number: C21GL-CE26-36W
Wattage: 36W
Voltage: AC 120V 60Hz, 220V ship to EU/UK
Replacement Wattage: 400W Incandescent Bulb
Beam Angle: 60°
PPF: 65.6 μmol/s
Product Size: Φ116mm*H136mm
Weight: 0.836 lb
Tips :
1. Indoor use only.
2. Please do not use it in dimmable fixtures.
3. Please do not use it in totally enclosed fixtures.
4. The hanging distance between the luminous surface of the light and the plant is 30-50cm.
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4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
A concise, readable history of European developments prior to W.W. i.
Format: Paperback
This is part of a 4 volume series on (primarily) European history covering the development of the French and Industrial revolution(s) with particular emphasis on the Belle Epoque that marked the end of nearly 100 years of peace among the European Powers. It covers a variety of topics ranging from the emergence of the working classes; the role of the middle class; industrial capitalism; nationalism; the sciences and the arts; and, even a chapter on the "New Woman". Quite encompassing in its treatment and its analysis of the a period that serves as a background to the twentieth century.
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Reviewed in the United States on August 3, 2018
★★★★★ 5
Un comentario
Format: Paperback
El mundo burgués generó desarrollos muy importantes para los habitantes de Europa Occidental particularmente; incrementó de manera importante los niveles de vida de una porción significativa de la sociedad, introdujo innovaciones claras en las ciencias, en lo educativo, en el comercio global y en el intercambio entre diferentes culturas. Mejoró la productividad, las comunicaciones, la alimentación......Pero también incorporó consigo tendencias negativas y difíciles que cambiaron para siempre la interrelación entre pares al crearse una diferencia significativa de clases, la alta, burguesa y la trabajadora y proletaria, continuó la discriminación sobre la campesina, estableció el concepto forzado de nacionalismo, transformó a los países mas desarrollados en imperios con ansias de crecimiento y de dominio de los menos preparados, se evidenció la explotación del tercer mundo, se inició el armamentismo y la instigación a la guerra que culminó con la desastrosa confrontación de 1914. El mundo, a partir de ese momento no volverá a ser igual.
Todos estos conceptos, esta historia, están amenamente descritos por el autor, con un gran conocimiento de la época y con una inteligente asociación de los acontecimientos para hacer entender al lector sus grandes transformaciones e implicaciones.
Como los otros tres libros de la serie, lo recomiendo ampliamente. Permite entender todo la evolución de nuestra civilización en los dos últimos siglos así como la influencia generada por los grandes imperios de la época y sus pensadores
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Reviewed in the United States on November 28, 2011
★★★★★ 5
This is a good book to read and understand how the European nations ...
Format: Paperback
This is a good book to read and understand how the European nations deployed their armies around the world to extract natural resources from other nations. Now, we have developing and underdeveloped nations.
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Reviewed in the United States on October 1, 2017
★★★★★ 4
Interesting book, dull period
Format: Paperback
As a Marxist historian, Hobsbawm sees the world at this time, as well as the modern world, as a playground for the forces of capitalism. He apologizes for taking a eurocentric approach to world history, while acknowledging that Europe largely determined the course of world events during this period. In spite of the title, there actually isn't much discussion of colonial empires; Hobsbawm seems more interested in how the Age of Empire affected the rulers more than the ruled. His Marxist sympathies are in evidence and at times make his conclusions a bit predictable, but some of his cultural critiques are quite brilliant. The chapter on the dilemmas posed by modern science is exceptional. Reading a book like this seems to me much more interesting than actually living in this period would have been.
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Reviewed in the United States on May 23, 2014
★★★★★ 5
is incredibly informative and wonderfully written. But it is not an easy read
Format: Paperback
This series of books by Hobsbawm, The Age of Revolution, The Age of Capital, The Age of Empire, The Age of Extremes, is incredibly informative and wonderfully written. But it is not an easy read.
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Reviewed in the United States on March 9, 2016
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