搜索结果: 31-45 共查到“Quantitative analysis”相关记录72条 . 查询时间(0.094 秒)
数字图像处理在SEM空蚀图像定量分析中的应用（Quantitative Analysis of Cavitation Erosion Based on Image Processing）
空蚀 翼型 图像处理 模糊增强
2009/8/11
针对收缩－扩散型水洞中进行铝制翼型空蚀破坏试验时，传统度量不能准确量化翼型表面不 同位置的空蚀程度，提出了数字图像检测的方法。获取试验翼型表面SEM空蚀图像,然后对图像进行模糊增强，并进行类间方差最大阈值分割，用二值形态学方法处理边缘，最后由统计特性计算出空蚀破坏表面积、蚀坑数量等。图像测量可得到空蚀对翼型表面破坏数值的定量结果。
Rapid Quantitative Analysis Method for Products of Gas Phase Oxidation of Propylene
Rapid quantitative analysis Gas chromatograph system Propylene oxidation
2009/7/27
A rapid quantitative analysis method for the oxidation products of propylene was established. The analysis system consists of a gas chromatograph equipped with two detectors. Many products from the o...
A Comparison between Extractant Solvents in the Quantitative Analysis of Total Petroleum Hydrocarbons in Soil Samples
Total petroleum hydrocarbon Contaminated soil Extractant solvent
2009/7/24
Any given method for the analysis of semi-volatile total petroleum hydrocarbons (TPH, C10-C36) in contaminated soil is made up of a number of procedures, each of which may be subject to improvement o...
Sensory Test for Aroma and Quantitative Analysis of 2-Acetyl-1-Pyrroline in Asian Aromatic Rice Varieties
2-acetyl-1-pyrroline (2-AP) Aromatic rice Quantitative analysis Sensory test
2009/7/24
Sensory Test for Aroma and Quantitative Analysis of 2-Acetyl-1-Pyrroline in Asian Aromatic Rice Varieties.
Quantitative Analysis of Cell Division and Cell Death in Seminal Root of Rye under Salt Stress
Cell death Cell division Root elongation Rye (Secale cereale L.) Salt stress
2009/7/23
Cell division and cell death in the cell division zone of the roots of rye seedlings under salt stress were analyzed quantitatively. Cell division was examined by immunological staining with anti-5-br...
Quantitative Analysis of the Architecture of Seminal Root System of Rice (Oryza sativa L.) Grown under Different Soil Moisture Conditions
Cultivar variation Fractal dimension Lateral root Link length
2009/7/23
We analyzed and compared the development of the seminal root systems (seminal root axis and lateral roots) of seven rice cultivars grown under two different soil moisture conditions (upland and paddy...
Uncertainty in river discharge observations：a quantitative analysis
river discharge quantitative analysis
2009/7/22
This study proposes a framework for analysing and quantifying the uncertainty of river flow data. Such uncertainty is often considered to be negligible with respect to other approximations affecting h...
A New Approach to Crop Root Systems with Quantitative Analysis of the Root Depth
Crop Root Systems Quantitative Analysis Root Depth
2009/7/21
A New Approach to Crop Root Systems with Quantitative Analysis of the Root Depth.
Rapid Quantitative Analysis of the Major Components in Soymilk Using Fourier-Transform Infrared Spectroscopy（FT-IR）
FT-IR ATR soymilk
2009/6/18
Fourier-transform infrared spectroscopy (FT-IR) on attenuated total reflectance (ATR) sampling was used for the quantitative analysis of the major components (protein, lipid, and sugar) in soymilk. Si...
Comfortability of the Bulletproof Vest: Quantitative Analysis by Heart Rate Variability
autonomic nervous system (ANS) quantitative analysis heart rate variability
2009/6/16
A verification of regressive models based on artificial neural networks and multiple regres-
This paper provides an effective quantitative analysis system and verifies it. The system of
heart rate v...
Quantitative Analysis of the P65 Gene Expression in Patients with Coloroctal Cancer
colon cancer P65 gene real-time PCR
2009/4/20
P65 gene expression level was determined in colon cancer cases by means of real-time PCR. 51 cases of colorectal carcinomas showing positive RT-PCR signals for P65 gene expression selected from 109 fr...
A quantitative analysis of grid-related systematic errors in oxidising capacity and ozone production rates in chemistry transport models
grid-related systematic errors oxidising capacity ozone production rates chemistry transport models
2009/3/5
Limited resolution in chemistry transport models (CTMs) is necessarily associated with systematic errors in the calculated chemistry, due to the artificial mixing of species on the scale of the model ...
QUANTITATIVE ANALYSIS ON DETERIORATION AND REMAINING LIFE OF STEEL BRIDGE PAINTING BASED ON FIELD DATA
steel bridge paint film deterioration ratio image processing system
2009/1/4
With the results of field investigations and outdoor exposure experiments of painted specimens, time-lapse deterioration of paintings was statistically analyzed by using “Automatic Evaluation System ...
QUANTITATIVE ANALYSIS ON DETERIORATION AND REMAINING LIFE OF STEEL BRIDGE PAINTING BASED ON FIELD DATA
steel bridge aint film deterioration ratio image processing system
2008/12/31
With the results of field investigations and outdoor exposure experiments of painted specimens, time-lapse deterioration of paintings was statistically analyzed by using “Automatic Evaluation System ...
Quantitative Analysis of the Adhesion of Cariogenic Streptococci to Orthodontic Metal Brackets
Adhesion Cariogenic streptococci Orthodontic metal bracket
2008/12/1
The aim of this study was to analyze the adhesion of cariogenic streptococci to orthodontic metal brackets in terms of the type of bacterial strains, the incubation time, and saliva coating. Two s...