搜索结果: 1-15 共查到“acidity”相关记录47条 . 查询时间(0.046 秒)
【高端论坛】第53期：From Acidity to Equilibrium: Harnessing Liming to Curtail N2O Emissions and Fortify Soil Health（图）
高端论坛 第53期 Acidity Equilibrium Lime N2O 土壤 Soil Health
2024/4/28
【高端论坛】第53期：From Acidity to Equilibrium: Harnessing Liming to Curtail N2O Emissions and Fortify Soil Health。
Atmospheric acidity impacts oceanic ecology
ecological balance atmospheric acidity carbon dioxide
2021/8/5
Increased acidity in the atmosphere is disrupting the ecological balance of the oceans, according to new research. The study looks at acidity's impact on nutrient transport to the ocean and demonstrat...
Atmospheric deposition of nitrogen and sulphur in relation to critical loads of nitrogen and acidity in the Czech Republic
acidity atmospheric deposition
2015/3/3
Estimates of dry and wet deposition of sulphur and nitrogen were compared with critical loads of sulphur
and nitrogen in the Czech Republic on 1 ×1 km grid. Deposition was estimated from monitored a...
Problems of the statistical evidence of feedbacks between forest herb phytocoenoses and soil acidity at pollution load
substitute stands phytocoenosis bioindication trophic series soil acidity
2015/2/2
Emissions and ecological factors are evident in changes of dynamics of global forest ecosystems. Specific develop-ment takes place in these substitute stands on contaminated and devastated plots. The ...
Research shows declining levels of acidity in Sierra Nevada lakes
Sierra Nevada lakes declining levels
2014/9/12
RIVERSIDE, Calif. — California’s water supply depends on a clean snow pack and healthy mountain lakes. The lakes receive a large amount of runoff in the spring from the melting snowpack. If the snow...
Effect of thickening agents on perceived viscosity and acidity of model beverages
sensory evaluation acid taste cellulose derivatives model samples viscosimeter
2014/2/25
The effect of thickening agents – methyl cellulose, hydroxyethyl cellulose, sodium carboxymethyl cellulose, and xanthan gum – solutions on the sensory viscosity was investigated in the concentration r...
Synthesis and spectrophotometric determination of acidity constants of 2,3,4,6'-tetrahydroxy-3'-sulfoazobenzene and their use in determination of aluminum
Azo dye acidity constants aluminum spectrophotometric determination
2011/4/6
A novel azo derivative, 2,3,4,6'-tetrahydroxy-3'-sulfoazobenzene (THSA), was synthesized by using pyrogallol. The acid dissociation constants, or Ka values, of THSA were determined by the UV-visible s...
Impact of the East Asian summer monsoon on long-term variations in the acidity of summer precipitation in Central China
the East Asian summer monsoon long-term variations the acidity of summer precipitation Central China
2011/2/25
The acidity of precipitation has been observed at stations of the Acid Rain Monitoring Network run by the China Meteorological Administration (CMA-ARMN) since 1992. Previous studies have shown that di...
Effect of Turning Beans and Fermentation Method on the Acidity and Physical Quality of Raw Cocoa Beans
Beans cocoa fermentation quality
2010/9/30
This study concerns the influence of turning and fermentation method on quality of raw cocoa.
Fermentation trials were conducted in wooden box, plastic box and in heaps with or not turning. Cocoa fer...
Pore structure and surface acidity evaluation of Fe-PILCs
Pillared clays delaminated clays characterisation surface area surface acidity
2010/4/8
Fe-PILCs via different conditions using smectites from Hancili (Turkey) and Wyoming (USA) were synthesised. Presaturation had little effects on the basal spacing values while it had important effects ...
华南理工大学食品分析课件Chapter5 Acidity。
Relationships between Precipitation Chemistry,Hydrology,and Runoff Acidity
Relationships Precipitation Chemistry Hydrology Runoff Acidity
2009/10/28
High precipitation amounts of strongly varying ionic composition make the
western parts of southern Norway well-suited for studies of certain relationships
between precipitation chemistry, hydrology...
Modelling the Effects of Acid Sulphate Soils on River Acidity in Finland
Effects of Acid Sulphate Soils River Acidity
2009/10/26
Acid sulphate (AS) soils cover extensive areas of the coastal plains in western
Finland. These soils constitute an environmental hazard due to their ability to
relcase acidity when exposed to atmosp...
Combined Method of Ammonia IRMS-TPD Experiment and DFT Calculation to Characterize Zeolite Acidity
Zeolite Acidity Temperature programmed desorption Infrared spectroscopy Density functional theory Catalytic cracking
2010/9/8
Our recently developed potential characterization method for studying the zeolite acidity is reviewed. In this method, ammonia TPD is a principle technique and first the principle of the method was ex...
基于色调分形维数的柑橘糖度和有效酸度检测（Sugar Content and the Valid Acidity Test of the Citrus Based on the Fractal Dimensions of Hue）
柑橘 糖度 有效酸度 机器视觉 无损检测 色调 分形维数
2010/4/1
研究了宫川温州蜜柑糖度及有效酸度的机器视觉检测技术及影响检测精度的因素。对机器视觉系统采集的柑橘图像进行图像裁切、亮度法去图像背景和RGB空间至HSI空间的转换，将柑橘色调范围分割为0°～20°、20°～40°、40°～60°、60°～80°、80°～100°和100°～120°共6个区域，提取各区域色调分形维数，以此作为BP神经网络输入，无损检测宫川温州蜜柑糖度及有效酸度。167个测试样本的检测...