查询词典 nitrogen

Nitrogen use efficiencyⅠandⅡof Bromus inermis,Festuca arundinacea, Dactylis glomerata were higher, and they utilized nitrogen efficiently, and accumulated more nitrogen.

在低氮条件下，无芒雀麦、苇状羊茅、鸭茅氮效率Ⅰ和氮效率Ⅱ较高，其氮素利用效率较高，每天的氮素积累量较多。

Results showed that aquatic plants such as Ceratophyllum demersum,Vallisneria spiralis,Ipomoea aquatica,Lemna minor and Potamogetom crispus Linn had the great ability to remove total nitrogen,total phosphorus,nitrate nitrogen and ammonia nitrogen in eutrophicated water.

结果表明：金鱼藻、苦草、空心菜、浮萍和菹草对富营养化水体中总氮、总磷、硝态氮、氨氮都有较好的去除作用，其中以空心菜和金鱼藻效果最好。

The naturally regenerated chamaecyparis stand result indicated that both nitrogen and phosphorus fertilizers have increased chamaecyparis growth. Within the applied dosage range of this experiment, nitrogen fertilizer has curve effect, phosphorus fertilizer has linear effect, the interactive effect of nitrogen and phosphorus is positive, and the interactive effect of potassium and phosphorus fertilize is negative.

栖兰山桧木林地施肥试验结果显示，氮肥和磷肥皆会增加桧木生长量，在本研究的施用量范围内，氮肥会有曲线效应，磷肥为直线效应，氮肥和磷肥的交互影响为正效应，而钾肥与磷肥的交互影响为负效应。

Inoculating nitrogen fixing bacteria (2＃, 12＃, 14＃, 7＃,and mixing bacteria species) to tissue culture you nglings of Dendrocalamus latiflorus, it is shown that inoculating nitrogen fixing bacteria can promot younglings survival rate and plant nitrogen content.

用2＃、12＃、14 ＃、7＃菌及混合菌液对麻竹组培苗进行接种显示，接种固氮菌可提高苗木成活率和植株含氮量，14＃、7＃菌和混合菌接种可显著提高麻竹组培苗生物量。

With the soil planted the konjac as the investigation and study object and planted corn as CK, the soil organic carbon, soil active organic matter, soil entire nitrogen, edaphon quantity and edaphon community structure was determined. The change of soil carbon nitrogen, edaphon carbon nitrogen and edaphon bacterium and fungus was analyzed.

方法］以种植魔芋地的土壤作为调查研究对象，用种植玉米的土壤作为对照，测定土壤有机碳、土壤活性有机质、土壤全氮、土壤微生物量和土壤微生物群落结构，分析土壤碳氮、土壤微生物碳氮和土壤微生物细菌和真菌的变化。

Research on the characteristics of ammonium, nitrate and organic nitrogen utilization by ericoid mycorrhizal fungi and impacts on growth in vitro of Rhododendron fortunei was carried out to determine the suitable nitrogen sources in ericoid mycorrhizal fungal cultivation and test the effects of ERM on host plant growth in substrate with different nitrogen sources.

研究从云锦杜鹃根系分离的欧石南菌根(eriocoid mycorrhiza， ERM)真菌对铵态氮、硝态氮和无机氮吸收特性及其接种效应，检测ERM菌株吸收利用不同氮源能力及筛选培养菌株适宜的氮源，并分析ERM对寄主植物氮源吸收的影响。

Through experiment of 15N microplot showed that: gaseous losses of fertilizer nitrogen was 1.259g·m~(-2), soil residued nitrogen was 1.023g·m~(-2) in Ecological Balanced Fertilization plot, monitored at the same time that chemical nitrogen fertilizer was almost no leakage because there was illuvial layer in the depth of 100～120cm in this area.

通过15N微区试验测得草甸黑土生态平衡施肥区肥料氮气态损失为1.259g·m~(-2)，土壤残留为1.023g·m~(-2)，同时监测到，在该地区100～120cm土层处由于有淀积层的存在，化学氮肥几乎没有渗漏。通过设置不同施氮水平试验，结果显示：大豆播种后，田间土壤氨挥发累积量随氮肥用量增加而增大。

In this assessment, two groups of evaluation factors were used: one group is stipulated in "Environment quality standards for surface water (GB3838-2002)"; the other factors included main pollutants of Jinhe River, such as kjeldahl nitrogen, nitrite nitrogen, nitrate nitrogen and chlorophyll a, and the standards of some of them were given by the author on the basis of relative data.

在此评价中，采用了两组评价因子，一组是地表水环境质量标准(GB3838-2002)内的因子，一组除了标准内的水质因子，还包括了津河的主要污染物凯氏氮、亚硝酸盐氮、硝酸盐氮和叶绿素，这些污染物的标准是经过查阅资料自定的。

With the increase of soil organic matter,the mineralizable nitrogen,which is about 95 percent of soil total nitrogen,Was also increased,thus soil can provide more nitrogen.

随着土壤有机质含量的提高，大约占土壤全氮含量95%的可矿化氮量也随之增加，土壤供氮

It is concluded that the soil easily mineralizable nitrogen and microbial biomass nitrogen can be taken as the biological available index for soil nitrogen mineralization and availability in the pot experiment.

在盆栽试验条件下，土壤易矿化有机态氮和种植前土壤微生物态氮能够较好地反映土壤氮素的矿化和供应能力，可以作为土壤氮素的生物有效性指标。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。