搜索结果: 1-11 共查到“农业基础学科 extraction”相关记录11条 . 查询时间(0.125 秒)
Volatile Profiles of Toxigenic and Non-to xigenic Aspergillus flavus Using SPME for Solid Phase Extraction
Aspergillus flavus secondary metabolic volatiles aflatoxin maize
2010/12/22
Toxigenic and atoxigenic strains of Aspergillus flavus were grown on potato dextrose agar (PDA) and wetted (23% moisture) sterile, cracked corn for 14 and 21 days,respectively.
An Improved Method for Light Microscopy Using Extraction Techniques of Spurr's Resin Sections
Oryza sativa Resin removal Spurr's resin
2009/7/31
An Improved Method for Light Microscopy Using Extraction Techniques of Spurr's Resin Sections.
Root Growth and Water Extraction Response of Doubled-Haploid Rice Lines to Drought and Rewatering during the Vegetative Stage
Critical RLD Drought Rainfed lowland Rice Root traits Water extraction
2009/7/27
Doubled haploid lines (DHLs) of rice (Oryza sativa L.) were used to examine responses to drought and rewatering in controlled rainfed lowland conditions, in order to determine whether confounding by u...
Extraction of CSVd-RNA by Boiling for Dot Blot Hybridization
Hybridization CSVd-RNA Extraction
2009/7/13
A new and simple boiling method for extracting chrysanthemum stunt viroid (CSVd) RnA is described. Fresh leaves of CSVd-infected chrysanthemum were homogenized in an equal volume of CTAB buffer then c...
青钱柳叶总黄酮超声辅助提取工艺优化（Technology Optimization of Total Flavonoids Extraction from Cyclocarya Paliurus Leaves by Ultrasonic Assistance）
青钱柳叶 总黄酮 超声
2009/5/22
为研究以乙醇为溶剂超声波辅助提取青钱柳叶总黄酮的工艺，在单因素试验的基础上，采用四因素二次回归正交旋转组合设计，以液料比、超声处理时间、超声功率、溶剂体积分数为考察因素，优选了超声波辅助提取青钱柳叶总黄酮的最佳工艺。结果表明各因素对提取率的影响大小依次为：超声处理时间、溶剂体积分数、液料比、超声功率。最佳工艺条件为液料比55mL/g，超声处理时间34min，超声功率720W，溶剂体积分数60%，在...
Dry matter extraction from valerian roots (Valeriana officinalis L.) with the help of pulsed acoustic field
pulsed ultrasonic field extraction dry matter valerian
2008/11/26
The paper presents results concerning ultrasonically assisted extraction of bioactive compounds from roots of valerian. Pulsed ultrasonic field was applied. The investigation was accomplished by varyi...
Some physical parameters in relation to water extraction by roots of two pigeonpea genotypes
physical parameters pigeonpea
2008/11/24
In modeling water extraction by roots and in whole crop modeling, careful selection of the factors for their parameterization which could differ from genotype to genotype is a prerequisite. Some physi...
Extraction and characterization of seed oils
seed oils iodine value saponification value peroxide value storage
2008/11/21
All the seeds examined in this project have been shown to contain varying levels of oils, mainly in the range of 26-42%, with the exception of Detarium microcarpum which contains about 7% of oils. Cha...
Evaluation of some water extraction models in predicting water uptake of pigeonpea
water extraction model pigeonpea
2008/11/19
There is the need to have model(s) that best describe water uptake for pigeonpea. Three water extraction models published in the literature and one suggested by this author were examined for two pigeo...
Assessment of the agrochemical properties of the soil using the extraction solution Mehlich 3 in Estonia
fertiliser requirement available phosphorus potassium calcium magnesium copper manganese double lactate extraction ammonium lactate extraction
2010/1/13
To determine the requirement of macro- and microelements, seven extraction solutions have been employed in Estonian practice. Double lactate (DL) extraction has been used for determination of the phos...
IMPORTANCE OF SAMPLING, EXTRACTION AND PRESERVATION FOR THE QUANTITATION OF BIOLOGICALLY ACTIVE ENDOTOXIN
endotoxin air sampling filter media extraction preservation
2010/12/27
The influence of filter media, extraction solution and preservation method on detection of biologically active endotoxin in the LAL assay was studied with air samples collected from wastewater treatme...