1) nitrogen excretion
总氮排泄
1.
After collecting total feces and urine,the relationship between milk urea nitrogen(mg/dL) and total nitrogen excretion(urinary nitrogen plus feces nitrogen,g/d) in lactating dairy cows was studied.
采用4×4拉丁方试验设计,以全收粪尿的方法,研究了饲喂粗料相同而精料不同的泌乳奶牛乳液中尿素氮浓度与总氮排泄量(粪氮+尿氮)关系。
2) total nitrogenous excretion rate
总氮排泄率
3) total nitrogen
总氮
1.
Relationships among the concentration of total saccharides,total nitrogen and total phosphorus in the water with algae;
含藻水体中总糖、总氮和总磷相关性研究
2.
Study on methods of decreasing blank absorbency in determination of total nitrogen in water;
降低总氮测定中空白吸光值的研究
3.
Measurement of total nitrogen of surface water by ion chromatograph;
离子色谱法测定地表水中的总氮
4) total nitrogen(TN)
总氮
1.
By evaluating and optimizing present measurement technology and typical manual methods for aquatic total nitrogen(TN) and total phosphorus(TP),a new online monitoring technology and instrument for aquatic TN and TP were developed based on ultraviolet-K2S2O8 photocatalysis spectrophotometer.
通过优化国内外水质总氮总磷的手工和自动监测方法及设计参数,研究了基于紫外催化-过硫酸钾氧化分光光度法的在线监测技术,设计了紫外线加强氧化-消解反应器和20通道自动校准与自动进样集成控制系统。
2.
The eutrophic level was evaluated through measuring water temperature,pH,chromaticity,total nitrogen(TN) concentration,total phosphorus(TP) concentration,chlorophyll-a level(Chla),total amount of the algal cells and water tropic state index(TSI).
方法选择5个监测断面:汾河水库出口、寨上水文站、胜利桥、小店桥、清徐二坝,通过检测各断面水体的水温、pH值、色度、总氮(TN)、总磷(TP)、叶绿素-a、藻细胞密度等指标,并计算水质营养状态指数(TSI)对其富营养化作出综合评价。
5) TN
总氮
1.
Analysis on Pollution Characteristics of TN and TP in Moshui Lake Sediment;
武汉墨水湖底泥中总氮、总磷污染特征分析
2.
Determination of TN and TP in Water with Microwave Digestion and Flow Injection Spectrophotometry;
微波联合消解流动注射光度法测定水中总氮和总磷
3.
Removal of TN From Eutrophic Water by Lolium Multiflorum Planted on Floating-bed;
浮床黑麦草去除富营养化水体总氮的试验研究
6) total-nitrogen
总氮
1.
Analysis and improved methods of bland sample experiment in determining total-nitrogen in water;
水质总氮空白实验分析及改进措施
2.
Analyse of high content of total-nitrogen in Danjiangkou Reservoir;
丹江口水库总氮含量较高的调查分析
3.
Determination of Total-Nitrogen,Total-Sugar and Nicotine in Tobacco by FT-NIR Spectrometry;
FT-NIR光谱分析技术测定烟草中总氮、总糖和烟碱
参考词条
补充资料：排泄系统的进化涡虫的排泄系统
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。