Through two groups of orthogonal tests(electrochemical corrosion current test and weight loss test),the order of water-quality factors which affect the corrosion behavior of A3 steel in eutrophic lakes is:pH > organic content(CODcr)>total phosphorus content > total nitrogen content.
以A3钢为研究对象、富营养化东湖水为研究介质,进行的两组正交实验(电化学腐蚀电流测量和失重实验)结果表明,影响A3钢腐蚀的富营养化湖泊水质因素排序为:pH(有机物质含量(CODcr)(总磷含量(总氮含量;随着pH、CODcr、总磷含量、总氮含量的增大,A3钢的腐蚀速度皆减缓。
Adopting the principal component analysis(PCA) method,we have established the synthetic model to assess those geological factors affecting surface subsidence and deformation.
在综合分析影响地表沉陷地质因素的基础上,采用主成分分析(PCA)的方法,建立了非充分采动条件下,基于地表沉陷变形地质影响因素的综合评价模型,并以所构造的主成分作为评价地表沉陷的基本指标,确定了不同沉陷形式主成分值的范围。
The geological factors that cause unsuccessful drilling in different oil-bearing formations,different structural belts and different trap types are classified.
根据含油层系、构造带和圈闭类型等不同石油地质条件,研究了各种导致探井失利的地质因素的分布特点,分析了济阳坳陷圈闭地质风险的成因及主控因素。
In order to predict gas correctly,the relation of gas content and geological factors in Qinsui Coal Field is studied,the gas preserving rule is analysed.
为确实做好瓦斯的测报工作 ,研究了沁水煤田地质因素与瓦斯含量的关系 ,辩证地分析了瓦斯的赋存规
Strata quality factor (Q) and attenuation factor ( β ) especially these of near surface, are studied.
对松辽盆地南部的地层品质因素和地层衰减系数、尤其是近地表的地层品质因素和地层衰减系数进行研究 ,进而研究了野外地震采集的激发和接受等各个因素。
Simulation results show that better performance with smaller quality factor(Q) and boarder source moving range,and all these conclusions are obtained from viewpoints of the field uniformity and the probability density function(PDF).
利用格林函数法求解电振子激励下源搅拌混响室二维模型中的电场强度,并据此从场均匀性和统计特性的角度分析了2种因素对源搅拌混响室性能的影响,即腔体品质因素的降低和激励元移动范围的扩大能改善混响室性能。
Owing to the demand of oil and gas exploration and engineering prospecting,the research on acoustic attenuation of rocks is very active and quality factor Q is an important research field.
品质因素Q是一个重要的研究领域。
Impact of Jixi Basin coalbed methane occurrence of geological factors
影响鸡西盆地煤层气赋存的地质因素
Analysis on Geological Factors of Coal and Gas Outburst Zhongmacun Coal Mine
中马村矿煤与瓦斯突出地质因素分析
This paper systematically analyzes the factors of ecological geology influencing the Chinese date quality.
系统分析了影响大枣品质的生态地质因素。
Analysis of the coal bed methane(CBM) resources condition and gas-controlling geologic factors in Tiara basin
铁法盆地煤层气资源条件及控气地质因素分析
Study on Main Geological Factors of Influencing Bear Capacity of Geological Environment in Coal-mining Area;
影响煤矿区地质环境承载能力的主要地质因素研究
Geological Features and Ore-Controlling Factors of the Yangshan Gold Field in Wen County,Gansu Province
甘肃文县阳山金矿田地质特征及控矿地质因素分析
Fault gouge is an important factor which influences fault movement.
断层泥是影响断层运动的重要地质因素。
A Study of the Geological Factors of Shangnan Shaanxi Forsterite Deposit for Mining and Concentrating Technology
商南镁橄榄石矿床采选工艺地质因素的研究
Geological Factors Study on a Large Scale of the N_2 Bottom Layer Casing Damage in Daqing Oil Field;
大庆油田嫩二段底部成片套损地质因素研究
Analysis to Geo-environmental Factors in Land Use Planning;
土地利用规划中的地质环境因素分析
Main Factors Affecting Undergroud Waterproof Concrete;
影响地下防水混凝土质量的主要因素
The Impacts of Geo-Environmental Factors on the Land Use Planning in Chengdu;
地质环境因素对成都市土地利用规划的影响
Natural Gas Accumulation Conditions and Controlled Factors in Turpan-Hami Basin
吐哈盆地天然气成藏地质条件与富集因素分析
The Contributing Ratio of Natural Factor and Socio-economic Factor to the Quality of Cultivated Land;
自然因素与社会经济因素对耕地质量的贡献率研究
The Contributing Ratio of Natural and Social-economic Factors to the Quality of Cultivated Land;
自然因素与社会经济因素对耕地质量贡献率研究
Saline and soil character were the main factors that influenced the AMF infection of mangrove.
海水和土壤质地是影响菌根侵染率的主要因素。
The main advantages are due principally to the lack of interference in geological samples.
主要优点在于地质样品不会有干扰因素。
BASIC THEORY ON STUDY OF GEOLOGICAL CALAMITIES--THEORY OF ENVIRONMENTAL FACTORS CONTROL
地质灾害研究的基础理论——环境因素控制论