化肥和粪肥都释放氮到自然生态系统，如河流，从而破坏自然的平衡。
Both fertilizers and manure release nitrogen into natural systems such as rivers, upsetting the natural balance.
你能做的就是尽量保持氮平衡。
各组织中尿素氮的代谢平衡在长期应激时趋于稳定，但这种稳定是建立在较高水平基础上。
The metabolic balance of the creatinine and urea nitrogen tend to be stable in the long-term strere, but the stabilization is in a high level .
利用介质阻挡放电，在自行研制的设备上进行常压非平衡等离子体渗氮。
Using dielectric barrier discharge (DBD), atmospheric pressure non equilibrium plasma nitriding technology is under development at self made equipment.
动物效用实验结果表明，具有促进大鼠体重增长与恢复，纠正负氮平衡及治疗低蛋白血症的营养效果，明显优于复方要素。
The animal experiments suggest that it has a better nutritional effect than other domestic elemental diets in terms of body weight gain, nitrogen balance and correction of hypoproteinemia.
膳食纤维对于蛋白质代谢及氮平衡的影响不大，但可减少脂类和碳水化合物的吸收及利用。
Dietary fiber does not have significant effect on protein metabolism and nitrogen balance, but some fiber can decrease the absorption and availability of lipids and carbohydrates.
术后一周观察病人的氮平衡、体重血浆、白蛋白等的变化。
We studied the patients nitrogen balance, body weight and albumin in week after operation.
养分平衡评价可以看出各试区养分收支情况为氮磷是有盈余的，而钾处于亏缺状态。
We can see from the valuation of nutrient balance that the nutrient of revenue and expenditure of each region was nitrogen and phosphorus were surplus, potassium was deficit.
以1983 ~ 1992年的田间试验结果和室内分析资料为依据，探讨了黄土丘陵区长期施用氮磷肥效应及平衡特征。
The effects and balance properties of long term nitrogen and phosphorous application in loessial hilly regions are explored in this paper based on field experiments and lab analysis from 1983 to 1992.
地幔流体是与地幔环境处于平衡的气体和挥发分。其主要化学组分为碳、氢、氧、氮、硫（CHONS）。
Mantle fluid is a mixture of gases and volatiles at equilibrium with its host mantle ambience and it is mainly composed of carbon, hydrogen, oxygen, nitrogen and sulphur (CHONS).
高支链氨基酸的节氮效果优于平衡氨基酸。
Enriched BCAA support is superior to general amino acids support in improving nitrogen balance.
土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
术后血支链氨基酸浓度明显下降，支链氨基酸浓度较高的全静脉营养可扭转这种现象并使正氮平衡提前出现。
However, this can BC reversed by early BCAA-rich total parenteral nutrition with early attainment of positive nitrogen balance.
营养支持的目的是维持氮平衡、维护细胞代谢、改善组织器官(包括脑组织)功能，促进脑血管病人的康复。
And the purpose of nutritional support is to keep nitrogen balance, strengthen the cellular metabolism, improve tissue functions and speed up habilitation of cerebral patients.
研究了在固定化脲酶催化作用下双醛纤维素对尿素氮的吸附平衡和动力学。
The adsorption of urea nitrogen onto dialdehyde cellulose (DAC) under catalysis of immobilized urease in gelatin (IU) was studied in batch system.
我们应用腹腔感染诱发多器官衰竭（MOF）的动物模型观察不同热量全肠外营养（TPN）对MOF兔的器官功能、氮平衡和蛋白质分解代谢的影响。
Rabbits with MOF induced by intraab-dominal sepsis were used to observe the effect of TPN with different amount of calorie on organ function, nitrogen balance and protein catabolism.
讨论了植物的氮（N）素营养过程与C的消耗关系、光合作用与N投入的关系、水分平衡与植物的N素营养的关系。
In order to translocate N efficiently within plant and maximize growth, the relationship between nitrogen nutrition and the cost of C, photosynthesis, and water equilibrium were discussed.
在华北平原北部研究了不同降水年型、不同水氮管理措施对冬小麦和夏玉米产量和氮素平衡的影响。
The effect of different rainfall years and different water and nitrogen management ways on winter wheat and summer maize was studied in northern part of north China Plain.
本文介绍用密封式三相点容器在液氮做冷介质的恒温器中复现氩、氮与氧三相点和在微型致冷机中复现氖与平衡氢三相点的方法和结果。
The methods and results to realize the triple points of argon, oxygen and nitrogen in a cryostat and those of equilibrium hydrogen and neon in a mini-refrigerator are described.
除了上述“典型”症状外，钾和其它养分(尤其是氮和钙)的不平衡还可引起其它症状。
Apart from the above "typical" symptoms, other symptoms may occur as a result of imbalance of potassium with other nutrients, nitrogen and calcium in particular.
结果表明低热量TPN有减轻肺功能损害的趋势，能够改善氮平衡和减少尿中3—甲基组氨酸的排出量；
The results showed that low calorie TPN had the tendency to lessen the functional damage of lung and could improve nitrogen balance and decrease the urine 3-MH excretion.
摘要本试验旨在研究不同金针菇菌渣添加比例对山羊饲粮养分表观消化率及氮平衡的影响。
Abstract : This study was aimed to investigate the effects of Enoki mushroom residues on dietary nutrient apparent digestibility and nitrogen balance of goats.
摘要本试验旨在研究不同粗饲料组合对山羊饲粮养分表观消化率及氮平衡的影响。
Abstract: This experiment was conducted to investigate the effects of different roughage combinations on dietary nutrient apparent digestibility and nitrogen balance of goats.
术后PN支持组的负氮平衡改善较常规补液组明显（P＜0.05）。
The negative nitrogen balance of control group was more seriously than PN group(P<0.05).
文中探讨了一种依据湖泊氮质量平衡原理计算营养氮沉降临界负荷的方法。
A method to calculate the critical load of nutrient nitrogen deposition was proposed in the paper according to the nitrogen mass balance within the lake catchment.
利用介质阻挡放电，在自行研制的设备上进行常压非平衡等离子体渗氮的研究。
By using medium to stop discharging, the non-equilibrium plasma nitriding under normal pressure can be made in self developed equipment.
骨骼肌不仅是代谢主要的器官，同时也是最大的蛋白储存库，此外，骨骼肌在某些病理情况下的氮平衡中扮演着核心的角色。
It is not only the major site of metabolic activity but it is also the largest protein reservoir, and playing a central role in nitrogen flow during some disease states.
骨骼肌不仅是代谢主要的器官，同时也是最大的蛋白储存库，此外，骨骼肌在某些病理情况下的氮平衡中扮演着核心的角色。
It is not only the major site of metabolic activity but it is also the largest protein reservoir, and playing a central role in nitrogen flow during some disease states.
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