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1.


   
    EFFECT OF MONOMOLECULAR LAYER OF FATTY-ACID ON TEMPERATURE OF SURFACE-WATER FILM [Текст] / M. I. GLADYSHEV, N. N. SUSHCHIK // Izv. Akad. Nauk. Fiz. Atmos. Okean. Biol. - 1994. - Vol. 30, Is. 1. - С. 74-78. - Cited References: 16 . - ISSN 0002-3515
РУБ Meteorology & Atmospheric Sciences + Oceanography
Рубрики:
GAS-EXCHANGE
Аннотация: Effect of condensed monolayer of stearic acid on temperature of surface water film was investigated using an experimental cell for various ratios of water and air temperatures. When the temperature of air was higher than that of water (positive convective flux), spreading of the acid monolayer provided increasing of temperature of the surface water film. Under inverse relation between the air and the water temperatures (negative convective flux) the temperature of the surface water film was decreased by the acid monolayer. The effect observed could be explained by stabilization of the surface water layer in presence of the acid monolayer. This results in suppression of the convective exchange between the surface film and the bulk of the water.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
GLADYSHEV, M.I.; SUSHCHIK, N.N.

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2.


   
    Interaction effects of light intensity and nitrogen concentration on growth, photosynthetic characteristics and quality of lettuce (Lactuca sativa L. Var. youmaicai) / Y. M. Fu [et al.] // Sci. Hortic. - 2017. - Vol. 214. - P51-57, DOI 10.1016/j.scienta.2016.11.020. - Cited References:43. - This work was supported by the Ministry of Science and Technology of China (No. 2013AA103004) and National Natural Science Foundation of China (No. 31301706). . - ISSN 0304-4238. - ISSN 1879-1018
РУБ Horticulture
Рубрики:
WATER-USE EFFICIENCY
   LIFE-SUPPORT-SYSTEM

   GAS-EXCHANGE

   BLUE-LIGHT

Кл.слова (ненормированные):
Light intensity -- Nitrogen concentration -- Vitamin C -- Vegetable quality -- Facility agriculture
Аннотация: Light intensity and nitrogen concentration of nutrient solution are considered crucial for the contents of vitamin C and nitrate in cultivated leaf vegetables. We here investigated the effects of various combinations of light intensity (60,140 and 220 mu mol m(-2) s(-1)) and nitrogen concentration (7,15 and 23 mmol L-1) of the solution on the growth, photosynthetic characteristics, vitamin C and nitrate content of lettuce. Our results demonstrate that the lettuce had the largest dry biomass at the high illumination of 220 mu mol m(-2) s(-1) and low nitrogen of 7 mmol L-1. The higher light and low nitrogen also contributed to the accumulation of vitamin C and decrease of nitrate in lettuce leaves. The effect of nitrogen supply on chlorophyll concentrations was more efficient under low light than high illumination. Our results reveal that there was an obvious interaction between light intensity and nitrogen available for the photosynthesis, yield and quality of lettuce. This study provides valuable insights into the combinational regulation of light intensity and nitrogen supply for improving growth and nutritional quality of vegetables grown in greenhouse and plant factory. (C) 2016 Elsevier B.V. All rights reserved.

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Держатели документа:
Beihang Univ, Sch Biol Sci & Med Engn, Beijing 100191, Peoples R China.
Beihang Univ, Inst Environm Biol & Life Support Technol, Beijing 100191, Peoples R China.
Beihang Univ, Int Joint Res Ctr Aerosp Biotechnol & Med Engn, Beijing 100191, Peoples R China.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia.

Доп.точки доступа:
Fu, Yuming; Li, HongYan; Yu, Juan; Liu, Hui; Cao, ZeYu; Manukovsky, N. S.; Ministry of Science and Technology of China [2013AA103004]; National Natural Science Foundation of China [31301706]

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