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- Stem sap nitrate test 茎基部硝酸盐浓度
- Distinguish using nitrate test strips: if P deficient, petiole sap should give high reading for nitrate. 使用硝酸盐测试条来区别:如果缺磷,叶柄体液应含较多的硝酸盐。
- Tang L L, Chen Q, Zhang H Y, Li X L.Quick test for tissue sap nitrate concentration in vegetables with test strip-reflect meter[J].Northen Horticulture, 2001(5): 9-10. [5]汤丽玲;陈清;张宏彦;李晓林.;采用试纸条-反射仪方法测定蔬菜硝酸盐含量[J]
- Stem sap flow density characteristics of ailing Betula platyphylla in 2001 was concerned with physiological control of transpiration. 叶感病白桦树干液流具有以上特点,是因为具有较强的蒸腾生理调控力,以适应叶部病害而求得生存。
- Thermal dissipation method was applied to study the stem sap flow of Betula platyphylla for two consecutive growing seasons. 摘要应用热扩散法,对白桦树干液流进行连续两个生长旺期测定。
- Some commercial laboratories use periodic nitrate tests as guides. 许多商业性的试验室已应用定期的硝态氮分析作为指导。
- A Study on the Stem Sap Flow of Acacia mangium 马占相思树干液流的研究
- A Study on the Stem Sap Flow of Pinus taeda 火炬松树干液流的研究
- The sap flowed out when he broke the stem of the flower. 他把花茎折断,汁液就流了出来。
- The Dynamics of Stem Sap Flow of Abies fabric in Minjiang Valley 岷江流域冷杉树干液流的动态变化规律
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Effect of leaf spot on the stem sap flow of Betula platyphylla 叶斑病对白桦树干液流的影响
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- Standard Test Method for Mercurous Nitrate Test for Copper and Copper Alloys 铜和铜合金的硝酸亚汞试验法
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Milked the stem for its last drops of sap. 从茎中榨出最后一滴树汁。
- The sap rises in trees in springtime. 春天树中的汁液向上流动。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- He's full of sap and ready to start. 他精神抖擞准备出发。