Measurement of nitrogen solubility in 304 stainless steel melt;
304不锈钢熔体氮溶解度的测定
A new thermodynamic model was developed to calculate the nitrogen solubility in molten stainless steel,in a wide range of system temperature,nitrogen partial pressure and alloying constituents by introducing an interaction coefficient expressing the effect of nitrogen partial pressure on nitrogen activity coefficient on the basis of experiments and other authors' earlier works.
在实验研究和前人研究工作的基础上,建立了一个新的不锈钢熔体中氮溶解度与体系温度、氮分压和合金成分的热力学计算模型,在该模型中引入了氮分压对氮活度系数的作用系数。
A theoretical method,which is based on chromium equivalent theory,to predict the nitrogen solubility in liquid ferroalloy is also given in the paper.
同时,提出了利用铬当量法预测铁合金中氮溶解度的理论方法。
Simulation of dissolved nitrogen pollution in Xiaojiang river basin of Three Gorges reservoir
三峡库区小江流域溶解态氮素污染模拟
Therefore, simulation of runoff from each land use or land cover type plays a very important part in estimated pollution load of dissolved nitrogen.
嘉陵江流域是三峡水库最大的支流,为研究嘉陵江流域非点源溶解态氮污染负荷的年际变化规律及其来源的空间分布情况,以流域土地利用类型为研究单元,通过引入具有物理机制的半分布式水文模型——SLURP水文模型,并推导溶解态氮的流域输移损失系数,建立了流域非点源溶解态氮污染年负荷模型。
Effect of DON on HABs in marine aquaculture zone;
海水养殖区溶解有机氮对有害藻水华的作用
The changes in microbial biomass carbon(MBC),microbial biomass nitrogen(MBN),dissolved organic carbon(DOC) and dissolved organic nitrogen(DON) were examined in order to assess the effect of surface layer soil(0～10 cm) under different land-use types after freshwater marshes tillage in the Sanjiang Plain Northeast China.
对三江平原天然沼泽湿地及湿地垦殖后的农田、弃耕还湿地、人工林地等不同土地利用方式下表层土壤(0~10 cm)的活性碳、氮组分:微生物量碳(MBC)、微生物量氮(MBN)、溶解有机碳(DOC)、溶解有机氮(DON)进行了研究。
The influence factors on the NSI were analyzed,such as RPC concentration,microwave power,modification time and pH value.
在单因素试验的基础上,采用L9(34)正交试验,以探讨pH值、菜籽浓缩蛋白质量分数、微波功率及改性时间对菜籽浓缩蛋白的氮溶解指数(NSI)的影响。
Dissolved inorganic nitrogen (DIN) , dissolved inorganic phosphorus (DIP) of surface water and other related environmental parameters (Salinity, DO, Chi a) were observed consecutively at two stations in the Xiamen Bay during No.
于1998年10号台风、2000年10号台风碧利斯和2000年6月厦门地区特大暴雨影响期间,在厦门港湾对表层海水溶解无机氮(DIN)、溶解无机磷(DIP)以及盐度、DO、Chl a等相关环境因子进行定点连续观测。
Based on the data collected in May 1996, this study summarizes the levels and distributions of dissolved inorganic nitrogen in Yalujiang estaury.
本文讨论了1996年5月鸭绿江溶解无机氮的含量和分布变化特征，并同其他一些河口作了比较。
Based on the investigation data from the project “Research on the Dynamic of Seawater Circulation and Mass Long Term Transportation”, which was implemented in May 1998, the distribution patterns of dissolved inorganic nitrogen (DIN) in the Southern Yellow Sea in May were discussed.
根据 1998年 5月的调查资料 ,分析并讨论了春季黄海南部海区溶解无机氮的分布特征。
determination of nitrate nitrogen,ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
使用氯化钙溶液作萃取剂测定干空气中的硝态氮、氮铵和总溶解氮含量
Contents, Dynamics and Leaching Characteriristics of Dissolved Organic Carbon and Niteogen in Soil;
土壤中溶解性有机碳、氮及其迁移淋溶特性研究
RADIATION INDUCED DEGRADATION AND MINERALIZATION OF AN AZO DYE CONGO RED IN AQUEOUS SOLUTION
偶氮类染料刚果红水溶液的辐射降解
Study on Nitrosation of High-Strength Ammonium Wastewater under Low DO Level
高氨氮废水低溶解氧条件下亚硝化试验研究
Effects of Dissolved Oxygen Concentration on Phosphorus and Nitrogen in the Sediments from Shallow Lakes;
浅水湖泊溶解氧变化对沉积物磷、氮的影响
Nitrogen Distribution in the Water of the Xiangshui River and Its Relationship with Water Dissloved Oxygen Levels;
响水河水体氮素分布特征及其与溶解氧的关系
Effect of dissolved oxygen on simultaneous nitrification and denitrification
溶解氧对同步硝化反硝化脱氮影响研究
Influence of Dissolved Oxygen on Nitrogen and Carbon Removal by Integral OCO Process with Biofilm and Activated Sludge
溶解氧对一体化膜泥法OCO工艺脱氮削碳的影响
Simulation of dissolved nitrogen pollution in Xiaojiang river basin of Three Gorges reservoir
三峡库区小江流域溶解态氮素污染模拟
PHOTODEGRADATION OF PHENOL SOLUTION WITH NANO-SIZED TiO_2 DOPED WITH NITROGEN
氮掺杂改性二氧化钛对苯酚溶液的光催化降解
The Seasonal Composition and Distribution Characteristics of Dissolved Inorganic Nitrogen of North Yellow Sea
北黄海溶解无机氮组成、分布及季节变化特征
EFFECT OF DO CONCENTRATION ON BIOLOGICAL NITROGEN AND PHOSPHORUS REMOVAL IN SPIRAL UP-FLOW REACTOR SYSTEM
溶解氧浓度对SUFR系统脱氮除磷性能影响
Simulation of Dissolved Nitrogen Load in Jialing River Basin
嘉陵江流域非点源溶解态氮污染负荷模拟研究
Seasonal Variations of Fluxes and Distributions of Dissolved N_2O in the North Yellow Sea
北黄海溶解氧化亚氮的分布与通量的季节变化
Distribution of Dissolved Organic Nitrogen in Atmospheric Aerosols at the Coastal Area of Qingdao;
青岛近岸大气气溶胶中溶解有机氮的分布特征研究
The original technology was largely based upon encapsulating soluble nitrogen in a less soluble or degradable substance to temporarily delay exposure to soil.
这种技术的基础主要是用不易溶解或降解的物质包裹可溶性氮来延缓与土壤的接触。
The difference between the two results is used to compensate the influence of dissolved air or nitrogen.
两个结果的差别可用来补偿溶解空气或氮气的影响。
A theoretical method, which is based on chromium equivalent theory, to predict the nitrogen solubility in liquid ferroalloy is also given in the paper.
同时,提出了利用铬当量法预测铁合金中氮溶解度的理论方法。