搜索结果: 1-15 共查到“农学总论 Temperature”相关记录43条 . 查询时间(0.118 秒)
Impact of water temperature and structural parameters on the hydraulic labyrinth-channel emitter performance
manufacturer’s coefficient of variation emission uniformity
<
2014/10/28
The effects of water temperature and structural parameters of a labyrinth emitter on drip irrigation hydraulic performance were investigated. The inside structural parameters of the trapezoidal labyri...
Robust and cost-effective system for measuring and logging of data on soil water content and soil temperature profile
Data-Logger Soil Temperature Soil Water Content Microcontrollers Sensors
<
2013/3/4
The paper describes the system for measuring and logging of data on soil water content and soil temperature profile. The system was tested in a field and shows great potential for performing continuou...
Bud and spear development of asparagus under constant temperature
Asparagus Officinalis Model Yield Physiology “Backlim” “Gijnlim”
<
2013/2/28
Objectives of our study were to quantify the effects of apical dominance and bud cluster activity on asparagus yield patterns and to collect data for process-oriented modeling of the asparagus crop. P...
Photo-temperature response of ramie (Boehmeria nivea (L.) Gaud.) male sterile lines
lower Budding Acceleration Photoperiod Sensitivity
<
2013/3/4
Six male sterile lines (MSLs) of ramie (Boeh-meria nivea (L.) Gaud.) were grown in dark rooms under the photoperiods of 9.5h, 11h or 12.5h d-1 in spring and summer seasons (dif-ferent environmental te...
Study on the Effect of Temperature Requirements on Samany and Zaghloul Date Palms Performance under Three Different Conditions
Date palm heat requirements yield and fruit quality
<
2010/11/15
The experiment aimed to study the effect of temperature requirements on fruit physical and
chemical properties of Samany and Zaghloul date palm cultivars grown at Aswan, Giza and El-Kalubiya Governor...
Temperature dependent development of the egg-larval parasitoid Chelonus oculator on the factitious host, Ephestia cautella
Chelonus oculator development egg-larval parasitoid Ephestia cautella temperature
<
2010/10/29
Development, fecundity, and longevity of the egg-larval parasitoid Chelonus oculator Panzer (Hymenoptera: Braconidae) were studied on the factitious host, Ephestia cautella (Walker) (Lepidoptera: Pyra...
Leaf Litter Decomposition of Mediterranean Tree Species in Relation to Temperature and Initial Water Imbibition under Microcosm Experiments
Litter decomposition Microcosm temperature water imbibition Mediterranean tree species
<
2010/11/15
Four leaf litter types belonging to mediterranean tree species (sweet chestnut, Castanea sativa; downy oak, Quercus pubescens; holm oak, Quercus ilex; and Aleppo pine, Pinus halepensis) were incubated...
THE RELATION BETWEEN THE BIOLOGICAL ACTIVITY AND THE LAND SURFACE TEMPERATURE IN BUDAPEST
Green surface land surface temperature satellite image land use urban heat island human comfort vegetation remote sensing
<
2010/3/26
The aim of our investigation was to study in detail the relationship between the spatial structure of the urban green surface and land surface temperatures. The research was carried out to support the...
EFFECT OF FRUIT SIZE AND TEMPERATURE ON THE SHELF LIFE AND QUALITY OF RIPE BANANA FRUIT
Bananas temperature ethylene keeping quality Great Britain
<
2009/9/30
A study was undertaken at Cranfield University, Silso College, UK during 1999. The
objective was to investigate the effect of fruit size, ethylene and ripening temperature on
the shelf life and qu...
微波频率和温度对食用植物油介电特性的影响（Effect of Frequency and Temperature on Microwave Dielectric Properties of Edible Vegetable）
食用植物油 介电特性 温度
<
2009/9/11
采用同轴探头技术研究了20～90℃、200～4500MHz内菜籽油、大豆油、花生油、玉米油、调和油的介电特性，分析了介电参数值随频率和温度变化的原因。结果表明：同频率下，菜籽油具有最大的相对介电常数和最小的介质损耗因数，而玉米油则相反。在500～4000MHz间，介电参数与食用油中的饱和与不饱和脂肪酸含量间具有较好的线性相关性。相对介电常数随温度升高线性减小，但介质损耗因数则线性增大。菜籽油的介电...
Seasonal temperature-based models for reference evapotranspiration estimation under semi-arid condition of Malawi
Irrigation agricultural water management crop water requirement wind effect modeling
<
2010/9/10
The importance of evapotranspiration in agricultural water management has been widely reported without doubt. The FAO Penman Monteith (FPM) equation is the sole recommended estimation method of refere...
Effect of Storage Temperature on Weight Loss, Chemical Composition, Microbiological Properties and Sensory Characteristics of White Cheese (Gibna Bayda)
Gibna Bayda storage temperature weight loss chemical composition microbial properties
<
2010/11/12
Effect of storage temperature on weight loss, chemical composition, microbiological properties
and sensory characteristics was studied. The cheese was made from fresh raw cow’s milk with 6 % salt kep...
Temperature Response of Photosynthesis and Activities of Phosphoenolpyruvate Carboxylase and Ribulose 1, 5-bisphosphate Carboxylase in Greened Calli Induced from Iceplant, Mesembryanthemum crystallinum L., Leaves
Crassulacean acid metabolism Greened callus Mesembryanthemum crystallinum L Phosphoenolpyruvate carboxylase
<
2009/7/23
Iceplant is a halophyte with two different photosynthetic modes of C3 and crassulacean acid metabolism (CAM). Environmental stress, such as a high salinity condition, is known as a trigger for shiftin...
Changes in the Coloration and Activities of Enzymes Involved in Anthocyanin Synthesis of ‘Kokuo’ Grapes Grown under Different Temperature Conditions During Ripening
Grapes Grown Temperature Conditions Ripening
<
2009/7/13
To clarify the mechanism regulating anthocyanin biosynthesis in ‘Kokuo’ grapes grown under high night temperatures, we examined flavonoid accumulation and the activities of related enzymes in the grap...
Influence of Environmental Temperature during the Ripening Period on the Amylose Content and Whiteness of Low-amylose Rice
Amylose content Dull endosperm Environmental temperature during the ripening period Low-amylose rice Paddy rice Whiteness values
<
2009/7/10
We examined the effects of environmental temperature (ET) during the ripening period on the amylose content and the whiteness values (an indicator of dull endosperm), in seven low-amylose rice cultiva...