查询词典 densities

Mongolia has one of the world's lowest population densities and is now being threatened demographically by an urban Chinese civilization next door.

新疆和西藏处于中国的合法边界之内，但中国政府与这两个省的人民之间的紧张关系表明，北京要超越汉族核心地区来扩张其影响力，势必会遇到阻力。

The invention discloses a disposing method of ammonia nitrogen waste water in the effluent disposal technological domain, which is characterized by the following: sieving heterotrophic nitrobacteria and aerobic denitrobacteria with stronger environment adaptive ability to nitrate and denitrate simultaneously; constructing mud nitrated and denitrated system to dispose waste water with nitrogen simultaneously to satisfy different DO densities.

为了解决同步硝化反硝化过程中菌种来源不明，调控困难，硝化和反硝化对DO浓度要求不同，在实际工程中难以实现同步硝化反硝化，本发明筛选出对环境有较强适应能力的异养硝化细菌和好氧反硝化细菌，采用异养硝化细菌和好氧反硝化细菌构建同步硝化反硝化污泥体系处理含氮废水，具有投资少，费用低，处理效果好，不仅去除废水中的氨氮，而且对总氮也有较高的去除率。

There were no significant differences in the re-allocation of N and K in F. denudate leaves at the three densities, but the P re-allocation and the Ca and Mg accumulation increased with increasing density.

不同密度缺苞箭竹叶N和K的再分配能力无显著差异，P的再分配能力随密度的增大而增强，Ca、Mg则显著积累。

Denudate litterfall production, nutrient return, and nutrient use efficiency showed that at the densities of D1, D2 and D3, the annual litterfall production was 793.2, 1135.7 and 1458.5 kghm^(-2), carbon return was 370.7, 516.2 and 671.5 kghm^(-2), and the total return of N, P, K, Ca and Mg was 16.3, 22.9 and 29.3 kghm^(-2), respectively.

结果表明：3个密度缺苞箭竹的年凋落物量分别为793.2、1135.7和1458.5 kghm^(-2)，C归还量分别为370.7、516.2和671.5 kghm^(-2)，5种主要养分归还量分别为16.3、22.9和29.3 kghm^(-2)，均随密度的增大而增加。

The peaks of litterfall production and nutrients return at the three densities were appeared in October (by the end of F. denudate growth season), and another peak at D3 was observed in August.

除高密度(D3)缺苞箭竹在8月有一个凋落与养分归还小峰外，10月生长季末是各密度缺苞箭竹凋落及养分归还高峰期。

A two-year study on the effects of three densities D1, 80±5 stemsm^(-2; D2, 140±8 stemsm^(-2); and D3, 220±11 stemsm^(-2) of Fargesia denudate in a F. denudata-Picea purpurea natural forest on the F.

在缺苞箭竹－紫果云杉原始林下，选取3个密度(D1、D2、D3)的缺苞箭竹，研究了密度对缺苞箭竹凋落物量、养分归还量及养分利用效率的影响。

Field experiments were conducted to investigate effects of three density treatments including high(160000 plant/hm2),middle(120000 plant/hm2)and low(80000 plant/hm2)densities on carbon-nitrogen metabolism,yield of Desmodium styracifolium.

采用田间试验研究了高(160000株/hm2)、中(120000株/hm2)、低(80000株/hm2)3个密度处理对广金钱草碳氮代谢、单株产量和单位面积产量的影响。

Ccording to different current densities, the decolorization mechanism is specified into three processes as electrooxidation, electroreduction and adsorption.

CF对苋菜红的脱色机制因电流密度的不同，明显地分为电氧化、电还原和吸附脱色三种过程。

Both qualitative and quantitative histology of the regenerated nerves revealed a more mature ultrastruc-tural organization with significantly higher numbers of myelinated axon s, larger endoneurial areas, higher axon densities and a larger percentage of ax

但由于取得捐赠神经相当默难和为了避免在手术取得捐赠神经的过程中生成危险，于是利用人造神经管来修补断裂神经成为另一选择。

The leaves were transported to the laboratory where densities of Phytoseiidae and of the most common mite families (e.g., Tetranychidae, Tenuipalpidae, Eriophyidae, Tydeidae, Winterschmidtiidae) were evaluated under a binocular microscope.

每次取样，每两个相同的样品需要收集10片叶子，采样得到的叶子将被送往实验室，在双筒显微镜下，可以对植缨螨科，以及最常见的螨科（如叶螨科，细须螨科，瘿螨科）的密度进行评估。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。