搜索结果: 1-15 共查到“农学 concentration”相关记录149条 . 查询时间(0.109 秒)
Biomass and Volume Modeling along with Carbon Concentration Variations of Short-Rotation Poplar Plantations
biomass additivity Populus spp quantifying carbon stock short-rotation coppice stem volume equations
font style='font-size:12px;'>
2024/1/22
Short-rotation forestry is of interest to provide biomass for bioenergy and act as a carbon sink to mitigate global warming. The Poplar tree (Populus × xiaohei) is a fast-growing and high-yielding tre...
Ensemble machine-learning-based framework for estimating total nitrogen concentration in water using drone-borne hyperspectral imagery of emergent plants: A case study in an arid oasis, NW China
Water resources Remote sensing Total nitrogen Hyperspectral imagery Machine learning Bootstrap
font style='font-size:12px;'>
2023/12/19
In arid and semi-arid regions, water-quality problems are crucial to local social demand and human well-being. However, the conventional remote sensing-based direct detection of water quality paramete...
Impacts of Change in Atmospheric CO2 Concentration on Larix gmelinii Forest Growth in Northeast China from 1950 to 2010
treegrowth CO2fertilization tree-ring dendrochronology InTECmodel
font style='font-size:12px;'>
2024/3/12
Although CO2 fertilization on plant growth has been repeatedly modeled to be the main reason for the current changes in the terrestrial carbon sink at the global scale, there have been controversial f...
RETRIEVAL AND MAPPING OF HEAVY METAL CONCENTRATION IN SOIL USING TIME SERIES LANDSAT 8 IMAGERY
Soil heavy metal Time series Remote sensing imagery Landsat Retrieval Model selection
font style='font-size:12px;'>
2018/5/14
Heavy metal pollution is a critical global environmental problem which has always been a concern. Traditional approach to obtain heavy metal concentration relying on field sampling and lab testing is ...
Effect of gibberellic acid concentration and number of treatments on yield components of “Einset Seedless” grapevine cultivar
cluster weight berry weighT soluble solids berry composition
font style='font-size:12px;'>
2018/3/6
Studies were conducted in the Faliszowice Vineyard (50°39'N; 21°34'E), Sandomierz Upland, Poland in 2011–2013. This
research aimed to assess the influence of gibberellic acid (GA3
) concentrations a...
Effects of erythromycin on milk yield, rumen contraction rate and blood beta-hydroxybutyrate concentration in dairy cows after laparoscopic reposition of the left displaced abomasum
cattle dislocatio abomasi endoscopy prokinetic drugs gastrointestinal mobility
font style='font-size:12px;'>
2016/9/1
The objective of this study was to evaluate the beneficial effects of erythromycin (Emy), a prokinetic drug active at the level of the abomasum, duodenum and proximal duodenum, in dairy cows undergoin...
Flue gases thermal emission concentration during waste biomass combustion in small combustion device with manual fuel supply
wheat straw wood chips molasses beet chips sludge carbon and nitrogen oxides flue gas temperature
font style='font-size:12px;'>
2016/4/5
The aim of the experiments is determination of emission concentrations in the observed substances produced in exhaust
gas during combustion of various mixtures of waste biomass compacted samples. Th...
Medium strength in inorganics and PVP concentration effects on cherry rootstocks in vitro rooting
antioxidants auxins callus formation plant tissue culture rhizogenesis
font style='font-size:12px;'>
2015/12/30
The effects of two strength media (full and half) in inorganics and five polyvinylpyrrolidone (PVP) concentrations combined with 1 mg/l indole-3-butyric acid on the in vitro rooting of the CAB-6P, Gis...
Effect of the first and second postpartum partial milking on blood serum calcium concentration in dairy cows
incomplete colostrum milking subclinical hypocalcemia milk fever
font style='font-size:12px;'>
2015/7/3
Parturient paresis and subclinical hypocalcemia are frequent metabolic disorders in dairy cows postpartum. The aim of this study was to determine the effect of postpartum partial milking in the first ...
Composition of major proteins in cow milk differing in mean protein concentration during the first 155 days of lactation and the influence of season as well as short-term restricted feeding in early and mid-lactation
dairy cattle casein feed restriction
font style='font-size:12px;'>
2015/7/3
A variety of proteins contributes greatly to the unique nutritional and functional quality of dairy cow milk. Particularly, milk casein content and composition have substantial influence on the proces...
Dietary linseed oil and selenate affect the concentration of fatty acids in selected tissues of sheep
selenium linseed oil fatty acid
font style='font-size:12px;'>
2015/6/23
Each group comprised 5 lambs with an average initial body weight of 25 ± 2 kg.
For 35 days the sheep were fed the control or experimental diets enriched with 5% LO, SeVI, or LO and SeVI
combined. ...
Influence of dietary selenium level on the concentration of conjugated linoleic acid isomers, other fatty acids and amino acids in the liver and femoral muscles of rats
selenised yeast conjugated linoleic acid isomers rats liver femoral muscles fatty acids amino acids minerals
font style='font-size:12px;'>
2015/6/9
The purpose of the present study was to determine the influence of diets containing conjugated linoleic acid isomers (CLAmix) with or without low (LSe) or high (HSe) concentration of selenised yeast (...
Effect of microclimate on the airborne dust and endotoxin concentration in a broiler house
broilers dust endotoxins ammonia carbon dioxide
font style='font-size:12px;'>
2015/6/5
Poultry farming is considered to be a notable source of bioaerosols. They can be a risk factor from the aspect of some diseases and for the environment. A study was conducted to assess the effect of m...
The effects of housing systems and age of hens on the weight and cholesterol concentration of the egg
conventional cages enriched cages litter system outdoor system yolk cholesterol egg weight
font style='font-size:12px;'>
2015/6/4
The effects of laying hen age and the housing of laying hens in conventional cages, enriched cages, litter system and outdoor system on egg weight and yolk and egg cholesterol concentration were studi...
LH secretion and 17ββ-estradiol concentration in the blood plasma and hypothalamus of goldfish (Carassius auratus gibelio B.) and common carp (Cyprinus carpio L.) treated with fadrozole (aromatase inhibitor) and GnRH analogues
aromatase inhibitor LH estradiol goldfish carp ovulation
font style='font-size:12px;'>
2015/6/4
Fadrozole – a non-steroidal aromatase inhibitor was applied to common carp and goldfish to examine its ability to potentiate the stimulatory action of GnRH analogues on LH secretion in vivo. The goal ...