颗粒氮的分布主要受生物活动及陆源输入共同控制。
The distributions of particulate nitrogen were controlled by both biological activities and continental input.
利用顺磁共振、紫外-可见吸收光谱和红外吸收光谱研究了湖南砂矿金刚石中杂质氮的存在形式和孤氮的分布特点。
Existing forms of nitrogen impurity and distributional characteristics ofisolated nitrogen in Hunan placer diamonds have been studied by means of EPR, violet-visible and IR spectroscopy.
生物质锅炉除尘器生物质燃料是可再生的碳源，具产量巨大、分布广泛、低硫、低氮、生长快、二氧化碳排放低的特点。
Biomass biomass boiler precipitator fuel is a renewable source of carbon, with great production, wide distribution, low sulfur, low nitrogen, fast growth, low carbon dioxide emissions.
讨论了影响硼皮含氮人造金刚石实验效果。 硼在晶体中分布特征及其性质的因素。
The effect factors on the experiment result of boron coating artificial diamond with nitrogen preparing distribution characteristic of boron in the crystal and its characters.
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
The distributions and functions of various forms of nitrogen in the biogeochemical cycling in the southern Yellow Sea surface sediments were investigated.
由于干流顶托作用，氮磷呈现具峰值的空间分布特征。
Due to the main stream top support action, N, P expressed possessing space distribution character of peak value.
化学分析表明，氮在样品中的分布是近似均匀的。
Chemical analysis suggested that nitrogen atoms were well distributed in the bulk of samples.
模拟结果表明：氮在铝基体中呈现高斯分布，与AES的分析结果基本吻合。
The results showed that the content of nitrogen in Al matrix presented gaussian-like distribution, in good agreement with AES depth profile.
通过大型静态土柱模拟实验，研究氮在上覆水和孔隙水中的分布特性和释放特性。
The nitrogen distribution and release to the overlying water and interstitial water through a series of large static simulating experiments were probed into.
结果表明：由渗氮试样的碳浓度分布曲线可精确确定渗氮层深。
The results show that the nitriding depth was determined accurately by the carbon concentration profiles.
利用X射线光电子能谱（XPS）研究了注氮层中元素的深度分布和化学结构；
The composition depth profile and chemical states of nitrogen-implanted layers were determined using X-ray photoelectron spectroscopy (XPS).
碳氮比随海拔升高而升高，在土壤剖面中的分布随植被类型不同而有所差异。
The soil C:N increased with the increase of the elevation, but its vertical distribution in the soil profile varied with different vegetation types.
研究了面包小麦各组织器官干物质、组织氮和组织果糖的动态分布。
The dynamic accumulation of dry matter, tissue nitrogen and fructan in vegetative parts of bread wheat were studied.
研究氨气和氮气混合气氛的成分对渗氮速率的影响，测定了渗氮层的显微组织、渗氮层氮浓度分布及有关力学性能。
Effect of nitrogen and ammonia content on the nitriding rate, the microstructure, nitrogen concentration and hardness distribution of the nitriding case were studied.
本文发表了在太阳高能粒子事件中，元素氦、碳、氮、氧、氖、镁、硅、硫和铁的离子电荷态的分布。
A possible ionic charge state distributions of He, c, n, o, ne, Mg, si, s and Fe in solar energetic particle events is presented in this paper.
全氮和有机质含量的分布格局基本一致，具有北部高、中部和南部低的分布特征。
Total nitrogen and organic matter contents had the same distributed patterns, which were higher in the north, but lower in the middle and south part.
研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
在试验的基础上，分析讨论了温室滴灌条件下尿素氮运移分布和转化规律。
Based on experiments, we analyzed and discussed the principles of Urea-N transformation and transport under drip-irrigation in the greenhouse.
本文探讨了北海湾COD值的分布特征及其与水文、生物要素及不同形态氮、磷含量的关系。
This paper deals with the distributive characteristics of COD in Beihai Bay, and its relationship with hydrological and biological elements, states of nitrate and phosphate.
研究了黄河口新生湿地土壤中氮磷的分布特征，并进行了初步环境效应评价。
This paper studies the distribution characteristic of soil nitrogen and phosphorus in the new-born wetland of the Yellow river estuary, and carries on the preliminary environmental impact assessment.
根据环境因子与排序轴的相关系数，认为影响这一海区浮游植物分布的主要环境因子依次为总无机氮、水温和透明度。
The result showed that total inorganic nitrogen, water temperature and transparency were the most important factors influencing the distribution of phytoplankton species.
含硼钢渗碳和碳氮共渗时，由于硼与氮及碳之间的相互作用，硼在整个渗层范围内发生明显的再分布。
The B is obviously redistributed in B steel within the whole carbonized and carbonitrided case because of the interaction between B with N and C during carbonizing and carbonitriding.
研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
The distribution of organic carbon and labile organic carbon along soil profile in swamp soil and peat soil in Ruoergai alpine wetland were studied.
采用有限元方法分析氮铝钛涂层的残余热应力，研究不同的基体及过渡层对残余热应力分布的影响。
Thermal residual stresses in TiAlN coatings were calculated using the finite element method. Effects of different substrates and interlayer bonding on residual stress field were investigated.
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
Accumulation and distribution of arsenic in surface sediments and cultured shellfish from maricultural areas along Fujian coast;
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
Accumulation and distribution of arsenic in surface sediments and cultured shellfish from maricultural areas along Fujian coast;
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