氮的

Sum up under the same condition, NT has more advantages than CT onthose indexes of hydrolyzable nitrogen ,available phosphorus and potassiumin 0-20cm soil layer while there are no evidently difference underneath 20cmsoil layer.2.2 In NT fertilization zone and mantle zone, contents of organic matter in0-40cm soil layer are higher than that in CT.

和常规处理相比，免耕施肥区处理 N3T和覆盖区处理 N3TC 在 0-20cm 土层显著提高了有机质含量，其中覆盖区增加效果显著。2.3 和常规耕翻处理相比，成熟后免耕处理在 0-20cm 土层土壤显著降低了土壤容重和增加了毛管孔隙度和非毛管孔隙度，显著提高了土壤总孔隙度。3 免耕对土壤中不同形态氮素以及土壤水分含量变化的影响3.1 土壤铵态氮拔节期至成熟期是免耕处理和常规处理铵态氮显著差异的形成时期。

Although nitric oxide hyperproduction due to inducible NO synthase is observed in asthma and COPD, nitrotyrosine formation via the reaction between NO and O(2)- in addition to the myeloperoxidase-mediated pathway.

虽然哮喘和COPD患者均存在由诱导型一氧化氮合成酶催化的一氧化氮过度产生，但是，硝基酪氨酸主要通过除髓过氧化物酶介导途径之外的NO和超氧阴离子反应形成。

The comparison between nitrogen and phosphorus show that the key role of the infiltrative quantity of moisture is nitrogen.

氮磷肥对下渗水累积量存在交互作用，随着施氮水平的增加，磷对土壤下渗水量的增加作用更加明显。

Based on B-trichloroborazine with boron-nitrogen ring structure, the monomer was synthesized by substitution reaction with different molar ratio of propylamine/isopropylamine, then the corresponding polyborazine was obtained through thermal polymerization.

以三氯环硼氮烷为原料，将其与正丙胺/异丙胺进行共取代反应，制得了不同结构的取代单体，再经热聚合反应获得了相应的聚硼氮烷先驱体。

Based on B-trichloroborazine with boron-nitrogen ring structure, the monomer was synthesized by substitution reaction with different molar ratio of propylamine/isopropylamine, then the corresponding polylyborazine was obtained through thermal polymerization.

以三氯环硼氮烷为原料，将其与正丙胺／异丙胺进行共取代反应，制得了不同结构的取代单体，再经热聚合反应获得了相应的聚硼氮烷先驱体。

It is concluded that the soil easily mineralizable nitrogen and microbial biomass nitrogen can be taken as the biological ...

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。

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。

Compared with non-mycorrhizal seedlings, the ratio of nitrogen and phosphorus in mycorrhizal roots increased, but reduced in stem and leaves.

与无菌根幼苗比，所有菌根幼苗根的氮、磷分配比例增加，而茎和叶片的氮、磷分配比例减少。

The experiment results show that the reduction by carbon and nitridation is connected with the reaction temperature, molding pressure and ratio of TiO2/C of the sample.

实验结果表明：制备试样的成型压力、材料本身的TiO_2／C比、氮化温度对氮化率有一定影响。

The effect of nitridation conditions on the properties of the products were investigated through experiments, and the influencing equation of the effect of additive element contents was gained.

通过实验研究了工艺条件对氮化产物性能的影响，并总结出掺杂元素原始成分对氮化反应速率的影响规律。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。