搜索结果: 1-15 共查到“农学 COOLING”相关记录15条 . 查询时间(0.104 秒)
Global cooling event 4,200 years ago spurred rice's evolution, spread across Asia（图）
Global cooling event 4,200 years ago spurred rice evolution spread across Asia
2020/6/5
A major global cooling event that occurred 4,200 years ago may have led to the evolution of new rice varieties and the spread of rice into both northern and southern Asia, an international team of res...
Global cooling event 4,200 years ago spurred rice's evolution, spread across Asia（图）
Global cooling event 4,200 years ago spurred rice evolution spread across Asia
2020/5/29
A major global cooling event that occurred 4,200 years ago may have led to the evolution of new rice varieties and the spread of rice into both northern and southern Asia, an international team of res...
Nighttime Cooling Is an Effective Method for Improving Milk Production in Lactating Goats Exposed to Hot and Humid Environment
Milk Production Lactating Goats Circadian Rhythm Nighttime Cooling
2016/5/18
Heat production in ruminants follows a diurnal pattern over the course of a day peaking 3 hours following afternoon feeding and then gradually declining to its lowest point prior to morning feeding. I...
Effects of Cooling and Exogenous Bovine Somatotropin on Hematological and Biochemical Parameters at Different Stages of Lactation of Crossbred Holstein Friesian Cow in the Tropics
Cooling Recombinant Bovine Somatotropin Hematology Blood Chemistry Crossbred Holstein Freisian
2016/5/6
Effects of cooling and supplemental recombinant bovine somatotropin (rbST) on hemato-biochemical characteristics were studied at different stages of lactation of crossbred Holstein Friesian cows in a ...
真空预冷处理对青花菜贮藏期间生理活性的影响（Effect of Vacuum Pre-cooling on Physiological Activities of Broccoli during Storage）
青花菜 真空预冷 生理活性
2009/11/3
将真空预冷技术应用于冷藏保鲜青花菜的预处理中，研究了真空预冷处理对青花菜在5℃贮藏期间生理活性的影响。结果表明：与不进行预冷处理样品相比，真空预冷抑制了青花菜的呼吸速率、乙烯释放量，其中失重率减少了2.18%；改善了青花菜的感官品质，减少了叶绿素和维生素C的损失，并通过调节抗氧化酶的活性起到了延缓青花菜衰老的作用。
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:IV. Effects of the starting time of cooling, morning and evening, and the soil temperatures and the light conditions after cooling on the fertility
Cool temperature Diurnal variation Flowering stage Rice Sterility
2009/8/6
Effect of the starting time of cooling at the flowering stage together with the effects of water temperatures and light conditions after cooling on the fertility percentage were examined. The fertilit...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants : XXIX. The mechanism of enhancement in cool tolerance by raising water temperature before the critical stage
Cool injury Cool tolerance Microspore Pollen Rice Sterility Water temperature
2009/8/6
Potted rice plants were grown in the phytotron with different water temperatures in a range from 18 to 25°C during the period from the spikelet differentiation stage to just before the young microspor...
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:III. Establishment of a method of in vitro pollen germination
Boric acid Incubation temperature In vitro germination Pollen Rice
2009/8/6
Rice pollen grains germinated more than 80% with low variation (standard deviation less than 10%) and their pollen tubes elongated to more than 150μm within one hour with a simple medium composed of 1...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXX. Relation between fertilization and the number of engorged pollen grains among spikelets cooled at different pollen developmental stages
Anther Cool injury Cool temperature Microspore Pollen Rice Sterility
2009/8/6
Cooling treatments at different stages of pollen development lowered the percentage of fertilized spikelets through decreasing the number of engorged pollen grains per anther at anthesis. Cooling duri...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXXI. Four components participating in fertilization
Cooling injury Cooling tolerance Fertilization Microspore Pollen Rice
2009/8/5
We divided the developmental processes from microspore differentiation to fertilization into 4 phases and defined the component relating to fertilization in each phase. The percentage of fertilization...
Influence of Nitrogen Application on Anther Length, Anther Width and Number of Engorged Pollen Grains as Characters Related to Cooling Injury in Rice Plants
Anther legth Anther width Basally applied nitrogen Cooling injury Cooling tolerance Number of engorged pollen grains
2009/7/16
Anther length, anther width, and number of engorged pollens were reported to have a relationship to cooling injury of rice. The effects of nitrogen application on anther size and number of pollens wer...
The Cooling Performance of Wet Pads and Their Effect on Reduction of the Inside Temperature a Cage House
Wet Pads Reduction Inside Temperature Cage House
2009/1/14
This study was carried out in a cage house of the commercial egg company in the Konya Province. The cage house capacity was 36762 layers. Eight exhaust fans with a capacity of 40000 m 3 /h were instal...
Evaporative Cooling Efficiency of a Fogging System for Greenhouses
Greenhouse Fogging system Air flow rate Evaporation flow rate
2009/1/13
The objective of this study was to investigate the efficiency of fogging system (FS) for greenhouses. The experiments were carried out in a multi-span plastic greenhouse (PG), 105.6 m wide and 205 m ...
Preservation of mushroom in storage after vacuum cooling treatment
mushroom vacuum cooling storage conditions
2008/11/13
Vacuum cooling has been used as a rapid cooling method for mushrooms. In the current study, experiments were carried out to evaluate the effect of different storage conditions on weight loss, respirat...
Effect of Improved Cooling System on Reproduction and Lactation in Dairy Cows under Tropical Conditions
Evaporative Cooling Energy Balance Milk Production Ovarian Activity Tropical Condition Dairy Cows
2016/4/27
The effects of utilizing evaporative cooling system equipped with tunnel ventilation on postpartum ovarian activities, energy balance and milk production of early lactating dairy cows under hot and hu...