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- Keywords different trophic level;lake sediment;grain size fraction;transferable nitrogen;nitrogen forms; 污染程度;湖泊沉积物;粒级;可转化态氮;氮形态;
- soil grain size fraction 土壤粒度组成
- grain size fraction 粒级
- There is a general decrease in grain size upward. 粒度一般是向上递减的。
- Rough and loose structure for rough grain size. 接触面积大时用粗松的组织。
- Fine grain size for the smaller contact area. 接触面积小时用细的粒度。
- Coarse grain size for the larger contact area. 接触面积大时用粗的粒度。
- Grain size of the sample had been measured. 降尘量和粒度参数值在尘暴前期和后期都呈现不同特征。
- The grain size distribution was bimodal as a whole. 尘暴降尘的粒度基本呈双峰态分布。
- The result also shows that the stability photoconductivity of the films is related to the crystalline fraction and the grain size of the films. 实验结果表明,所制备的多晶硅薄膜具有类稳恒光电导效应,而且薄膜的稳恒光电导特性依赖于薄膜的晶化率和晶粒尺寸,随晶化率的增加和晶粒尺寸的增大而增大。
- Its equidimensional grain size tends to mask the laminae. 它的粒度的均一往往会掩盖了纹层层理。
- The attributes existing in a composite such as a different volume fraction, grain size, contiguity or porosity, etc. determine a thermal conductivity of composite. 存在复合材料的属性例如不同的体积比，晶粒大小，接触度或空孔等，可能对于材料的热导有所影响。
- In the case of the identical mass fraction of the oxide, the grain size of the ceria doped molybdenum alloys was smaller than that of the oxide lanthanum doped molybdenum alloys. 钼合金丝直径相同的条件下，氧化铈掺杂钼合金丝的晶粒尺寸要小于氧化镧掺杂钼合金丝的晶粒尺寸。
- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- Type O steel shall be supplied without specific grain size control. 0类型的钢没有特殊的颗粒尺寸控制。
- The metallogenic elements decrease rapidly in quantity, and are concentrated in the fine size fraction, mainly in the form of sulfide facies. 由于草甸发育，颗粒物质迁移受到抑止，水系碎屑沉积物仅出现在2~3级水系。
- Fine-grain (grain size <0.5 mm) aluminosilicate concrete. 细颗粒（粒度小于0.;5毫米）的硅铝酸盐混凝土。
- The best rubbing time and grain size are given in the paper. 文中给出了最佳的样品研磨时间及粒度。
- Environmental Change Inferred from Distribution of Rb and Sr in Different Grain Size Fractions from Lacustrine Sediments in Huangqihai Lake, Inner Mongolia 内蒙古黄旗海不同粒级湖泊沉积物Rb、Sr组成与环境变化
- The Grain Size Fractions Distribution Characteristics and Their Significance of the Surface Sediments on the Adjacent Sea Area off the Changjiang Estuary 长江口外近海表层沉积物粒度的级配特性及其意义
