The main aim of this thesis is to research the transporting regulation and the retention effect of N and P for the different dimensions pond wetland system.
本论文主要研究在不同尺度条件下水塘湿地系统中氮、磷输移规律及截留效应。
The fixation effect of total N in artificial vegetation was more obvious than that in natural vegetation, but it was converse on the fixation effect of total P.
人工植被相对于天然植被对总氮的固定作用更为明显,而对总磷的固定作用劣于天然植被。
The mix of humic acid with diffusion agent N have good effect too.
当采用扩散剂N时,与腐殖酸混合使用效果也较好。
The effect of glucose and oxygen on the metabolism of xylose of N. crassa was studied.
研究了葡萄糖和通氧量对粗糙脉孢菌代谢木糖生产乙醇的影响。
So this is not even thinking about the other electron shielding, just if we think of the fact, all we need to think about is that the effect of going to a further away n n as we go down the table.
到现在我们甚至还没有考虑,其它电子的屏蔽效果,即使我们要考虑这个因素,我们需要考虑也就是,沿着周期表的某一列往下走,距离会逐渐变远,将起最重要的作用,actually,dominates,这一结果所产生的影响。
Objective To explore the effect of N-acetylcysteine (NAC) on intercellular adhesion molecule-1(ICAM-1) expression and apoptosis in neonatal rats brain after hypoxic and ischemic brain damage (HIBD).
目的探讨N-乙酰半胱氨酸(NAC)对缺氧缺血脑损伤(HIBD)大鼠脑细胞间黏附分子-1及细胞凋亡的影响。
The effect of the plants in CCW is remarkable to NH3-N removal, but unremarkable to phosphorus removal.
廊道式人工湿地水生植物的长势对NH3-N的去除有显著影响,对磷的去除效果影响不大。
The effect of five N levels on root yield and sugar content and production of sugar was studied with one beet variety, in order to select the best N level for high yield and high sugar content.
本试验主要是研究同一甜菜品种在五种氮素水平处理下对甜菜的块根产量、含糖率、产糖量的影响,寻求获得高产高糖的最佳施用氮素水平。
This paper analyses the relativity between bending moment (M) and axial force (N) in calculating ground supporting capacity, and the effect of relativity on reliability calculation.
分析了在地基承载力验算中,弯矩M与轴力N之间相关性的存在,以及相关性对可靠度计算的影响。
The objective of this paper is to introduce the influence of different carbon source, such as methanol, sucrose, glucose and newspaper etc and the effect of C/N ratio on denitrification, .
本文论述了甲醇、蔗糖、报纸等不同物质作为碳源及其碳氮比对反硝化过程的影响,并对各碳源适宜的碳氮比加以总结。
The effect of N protein in vitro was examined in an RRL system.
在体外翻译体系中检测N蛋白对体外翻译的影响。
On the basis of N and P fertilizers, application of the multiple element compound has positive effect on yield in the acid soils.
在氮、磷肥施用的基础上,配施富钾硅多元复合物与施纯硅肥、钾肥、钙镁肥一样,在酸性土壤上具有显著的增产效应;
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
OBJECTIVE:To explore the acute toxicity on mice and lipid-lowering effect on rats of N-trimethyl chitosan iodide (TMCI).
目的:研究碘化壳聚糖季铵盐(TMCI)对小鼠的急性毒性作用和对大鼠的降脂作用。
Objective To assess the effect of N-acetylcysteine (NAC, antioxidant) on the airway inflammation in rats with acute and chronic smoking.
目的探讨抗氧化剂N -乙酰半胱氨酸(NAC)对急慢性吸烟大鼠气道炎症的影响。
N curves of sorts of metals under general condition have been maturity. But the S N curves considering the effect of corrosive environment are reported.
目前常规条件下各种金属材料的S-N曲线已基本完备,但是考虑腐蚀环境影响的S-N曲线还很少见。
Results showed that long term application of NPK fertilizers or manure could increase soil biomass-N, especially the effect of manure on biomass-N was obvious.
结果表明,长期施用有机肥或化肥均能增加土壤生物量氮数量,尤以有机肥的作用明显。
The step through test and independent activity were used to observe effect of uneven constant magnetic field pole N and S on learning and memory impairment induced by hypobaric hypoxia .
用避暗实验法和自主活动法,分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
The research was engaged in the effect of HMC toxin on microfilaments of N and C cytoplasmic male-sterile maize by fluorescence technique and confocal scanning microscopy.
本研究还利用荧光标记和激光共聚焦显微镜相结合的方法,研究了HMC毒素对同核异质体玉米根冠细胞微丝骨架分布的影响。
The main results were as follows: there was a close relationship between the effect of Mo fertilizer application and N fertilizer levels, and Mo value.
结果表明:小麦施钼效果与施N水平和土壤钼值密切相关,而与土壤有效钼含量相关不显著。
The biological effect of protectively applied nitrogen on nodulation N-fixing activity, nitrogen forms in Xyloid liquid, and amount of assimilated nitrogen in soybean were studied.
从大豆结瘤、固氮活性、木质部溶质氮形态以及植株同化氮量论证了保护性施氮的生物学效应。
The field experiment was conducted to study the effect of organic N and mineral N combined application proportion in greenhouse celery production.
研究了田间试验条件下有机N与无机N不同配比对温室芹菜生产的影响。
To evaluate the effect of drift, one should therefore first know N.
因此要估量插迁的效应,首先应知道N。
Soil available N content showed largest effect on the yields of bamboo shoots and stuff.
土壤速效N的含量对竹林笋、材产量的影响最大。
This result suggests that the bridging N atom of metformin be important for its antihyperglycemic effect.
说明桥基N对二甲双胍的降血糖作用具有重要意义。
AIM: to observe the protective effect of Astragalus injection on N-methyl-N-nitrosourea (MNU) -induced photoreceptor apoptosis in SD rats.
目的观察黄芪注射液对N甲基N亚硝脲(MNU)诱导SD大鼠视网膜光感受器细胞凋亡的保护作用。
N nutrition had obvious effect on cell-protecting enzymes system and anthrax fungi had obvious regulative effect on the activity of SOD, POD and CAT.
氮营养对植株细胞保护酶系统有明显的影响,炭疽病菌对SOD、POD、CAT活性有明显的诱导调节作用。
ObjectiveTo investigate the effect of N-CPAP on neonatal respiratory failure.
目的观察经鼻塞持续气道正压通气(N-CPAP)治疗新生儿呼吸衰竭的效果。
The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.
水培条件下研究了不同形态氮素对植物铁素营养的影响,以及铁对植物氮素代谢的影响。
The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.
水培条件下研究了不同形态氮素对植物铁素营养的影响,以及铁对植物氮素代谢的影响。
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