1.
Fertilizers--Determination of urea nitrogen content--Urease method
GB/T3598-1983肥料中尿素态氮含量的测定尿素酶法
2.
Effects of Urea-nitrogen on Growth and Physiological Properties of Ceratophyllum demersum
尿素态氮对金鱼藻生长与生理特性的影响
3.
Contents of Nutrient Elements in NH_4~+-N Fertilizer and Urea
铵态氮肥和尿素中植物营养元素含量比较分析
4.
Increase of nitrogenous substances, especially urea, in the urine.
氮尿氮物质的增加，特别是尿里的尿素
5.
Soybean regenerated plants were obtained in the studies when the media containing organic nitrogen sources mentioned above were used.
试验发现,天冬酰胺、氨酰胺、囊素和尿囊酸等大豆根瘤形成的酰尿有机态氮是有效的主要氮源。
6.
blood urea-nitrogen analyzer
血尿素-氮气分析仪
7.
Effect of "PBP" on the Transformation of Urea-N in Soil
香蕉假茎多酚类物质对尿素氮在土壤中形态转化的影响
8.
Nitrogen Forms in soil solution at different depths as affected by types of urea fertilizers applied in paddy season
施用不同尿素对稻季不同层次土壤溶液中氮形态的影响
9.
Effects of Urea Application on Soil Nitrogen and Turf grass Growth in Mixed Cool Season Lawn
不同尿素施肥水平对北方混播草坪中土壤各形态氮的影响
10.
automatic glucose/BUN/creatine & urine creatine analyzer
自动葡萄糖/血液尿素氮/肌酐及尿肌酐分析仪
11.
Evaluation of Two Models to Estimate Urinary Nitrogen Excretion by Milk Urea Nitrogen Content
乳尿素氮估测奶牛尿氮排泄量的两个模型比较研究
12.
Effect of Partial Replacement of Nitrate by Amino Acid and Urea on Nitrate Content of Nonheading Chinese Cabbage and Lettuce in Hydroponics
氨基酸和尿素替代硝态氮对水培不结球白菜和生菜硝酸盐含量的影响
13.
Influence of icterus on hexokinase(HK) method for determining urea nitrogen.
黄疸对酶偶联法测定尿素氮的影响
14.
Application of Blood Urea Nitrogen in Test on Wrestling;
血液尿素氮在摔跤运动中的有关应用
15.
Relationship between soil nitrate,nitrogen balance and utilization in rainfed land
旱地土壤硝态氮与氮素平衡、氮肥利用的关系
16.
Urea is commonly used as the source of nitrogen in foliage sprays.
尿素作为氮素给源普遍地应用于叶面喷布。
17.
Effects of Organic-mineral Cimpond Coated Urea on Nitrogen Utilization Efficiency;
有机-矿质复合材料控释尿素氮素利用率的研究
18.
The Characteristics of CMMCU-N Releasing and Effect on Different Soil Conditions;
复合矿物包膜尿素在土壤中的氮素释放研究