N-urea 仲丁基脲 ; 脲丙基三乙氧基硅烷
Urea-N 脲态氮 ; 尿素氮 ; 酰胺态氮 ; 尿素态氮
i n-urea n尿素
n-urea tracer n尿素示踪
Folin n urea apparatus 福林氏定脲器
urea-n transformation 尿素n转化
N nitrophenyl urea derivatives N硝基苯基脲衍生物
n-butylated urea-formaldehyde resin 正丁醇醚化脲醛树脂
The direct blending of urea and coated PK granules prohibits the problems in the production of compound fertilizer based on urea-SSP, with lower N loss, easier sale and more economy.
采用尿素与包裹后的磷钾粒肥直接掺混，避免和解决了尿素-过磷酸钙系复混肥生产中存在的一系列问题，减少了氮素的损失，提高了产品的市场销售属性，增大了企业经济效益。
Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
Soil column method was used to study the characteristics of the movement, transformation, and leach of urea-N in soil added by different ways of the fertigation.
采用室内土柱模拟试验方法，研究了不同灌溉施肥方式下尿素态氮在土壤中的迁移、淋溶和转化特征。
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