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- Study on the Method for the Determination of Nitric Nitrogen, Ammoniacal Nitrogen and Total Nitrogen in Plant 植物中硝态氮、氨态氮、总氮测定方法的比较研究
- total nitrogen in plant 植物全氮
- Total Nitrogen in Lubricating Oils by Modified Kjeldahl Method, Method of Test for (05. 用改良的基耶达法测定润滑油中总氮量的试验方法(05。
- Topdressing nitrogen treatment had no obvious effect to total nitrogen in soil, but it had a stronger effect to alkalined-nitrogen. 追氮处理对土壤全氮没有明显的影响,但对土壤大麦碱解氮的影响比较大。
- With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method. 用氯化钙作沉淀剂,消除磷酸根离子的干扰,用甲醛法测定复合肥中的总氮。
- By setting-up simulated mangrove wetland in a greenhouse,the behavior of total nitrogen in Avicennia marina simulated wetland system was studied. 在温室中建立红树林植物白骨壤模拟湿地系统,分别用正常、5倍和10倍浓度的人工配置的城市污水每周定时定量对模拟系统污灌2次,用海水作对照,持续1年。
- Nitrate content in plant tissue was increased with the percentage of chemical nitrogen in the mixture of chemical fertilizer and AFR. 沼肥中配施化肥 (简称沼化肥 ) ,随化肥氮比例增加 ,油菜硝酸盐含量增加。
- The study shows that the A/O Process can effectively degrade and eliminate the ammonia nitrogen and total nitrogen in Refinery Wastewater. 采用A/O工艺能够有效降解脱除炼油废水中的氨氮,出水水质可达到国家规定的排放标准。
- Known and unknown total nitrogen in water were measured by ionic chromatograph and GBl 1894-89 ultraviolet spectrophotometer. 采用紫外分光光度法和离子色谱法分别测定已知和未知总氮含量的水样。
- The paper discusses problems in determining total nitrogen in water and puts forward some improvement measures which can control blank value in perfecter range. 本文提出了测定水中总氮时所遇到的几个问题及一些改进措施,从而可将空白值控制在较为理想的范围内,达到了环境监测的要求。
- According to the situation of total nitrogen s increasing in the groundwater in Jilin City, the article analyses the distribution law of total nitrogen in space and time. 摘要针对吉林市城区地下水中总氮浓度逐年升高的现象,本文对总氮浓度在空间上和时间上的分布规律进行了研究。
- Furthermore, the linear regression equations of total nitrogen in pig urine and electrical conductivity (EC) provide reliable and accurate indication of total nitrogen content in pig urine. 分析中发现猪尿中总氮和铵态氮比例基本稳定 ,由此推想用电导率来预测猪尿中总氮的含量 ,获得了很好的效果。
- The plant requires nitrogen in order to make proteins. 植物需要用氮来制造蛋白质。
- Magnesium is the nutrient element in plant growth. 镁是植物生长的营养要素。
- Conduct and complete safety related rules in plant. 指导和完成各项公司安全规定。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Louise set the pace in planting trees for his classmates. 路易斯在植树中给他的同学们做出了榜样。
- Took part in plant rebuilding work. 参加过生产装置改扩建工作。
- Progress in Plant Trans-acting Factors. 植物反式作用因子研究进展。
- Determination of total nitrogen (Kjeldahl). 英文名称: Soils quality.