用不同浓度的 Na HSO3及其与 KCl和 6 - BA配合对贵州惠水金钱橘叶表进行喷施 ,研究其对叶片光合作用的影响。结果表明 :较低浓度 (3～ 9mmol/ L )的 Na HSO3对叶片光合速率有明显促进作用 ,作用效果长达 6 d之久 ;当 Na HSO3浓度较高 (...用不同浓度的 Na HSO3及其与 KCl和 6 - BA配合对贵州惠水金钱橘叶表进行喷施 ,研究其对叶片光合作用的影响。结果表明 :较低浓度 (3～ 9mmol/ L )的 Na HSO3对叶片光合速率有明显促进作用 ,作用效果长达 6 d之久 ;当 Na HSO3浓度较高 (≥ 12 mmol/ L )时对光合作用不利 ;低浓度的 Na HSO3分别与 1mmol/ L KCl和 5 mmol/ L 6 - BA配合施用 。展开更多
目的建立一种离子色谱抑制电导法,用于快速测定低分子右旋糖酐氨基酸注射液中EDTA和NaHSO3的含量。方法采用Dionex的阴离子交换色谱柱IonPac AS11-HC和IonPac AH11-HC保护柱对样品进行分离,以13 mmol/L的KOH溶液为淋洗液,流速为1.0 m L/...目的建立一种离子色谱抑制电导法,用于快速测定低分子右旋糖酐氨基酸注射液中EDTA和NaHSO3的含量。方法采用Dionex的阴离子交换色谱柱IonPac AS11-HC和IonPac AH11-HC保护柱对样品进行分离,以13 mmol/L的KOH溶液为淋洗液,流速为1.0 m L/min抑制性电导检测器检测。抑制电流为70 m A,电导检测器温度为35℃,样品经稀释后直接经自动进样器进样。结果实验表明,EDTA和NaHSO3分别在1.25-20.12、3.86-61.82（g/m范围内线性关系良好（R〉0.9990）,2者平均回收率分别为100.89%、95.3%。结论该方法准确,简便快速,选择性高,重现性好,可用于低分子右旋糖酐氨基酸注射液中EDTA和NaHSO3的含量的快速同时检测。展开更多
In this study,we investigated the optimal concentration of nutrient-mist and NaHSO3 for cutting propagation of Juniperus squamata ’Blue Star’,as well as the variation in the contents of chlorophyll in leaves,and sol...In this study,we investigated the optimal concentration of nutrient-mist and NaHSO3 for cutting propagation of Juniperus squamata ’Blue Star’,as well as the variation in the contents of chlorophyll in leaves,and solubility carbohydrate,soluble protein and other nutrition in leaves and bases of cuttings during rooting.Cuttings of grade Ⅲ(the lenghth of cutting bases lignified from 0.1 to 0.2 cm) was treated by 1/4MS+NaHSO3(200 mg·L-1),and the rooting rate rose 35% and root qualities were improved compared with control experiment,for there were different effects among three grade cuttings.The treatment of grade Ⅲ cuttings also resulted in higher content of soluble sugar and starch of those bases during rooting,especially obviously different for fifteen days,but less effect on the chlorophyll and some nutrition content of cutting leaves.展开更多
文摘用不同浓度的 Na HSO3及其与 KCl和 6 - BA配合对贵州惠水金钱橘叶表进行喷施 ,研究其对叶片光合作用的影响。结果表明 :较低浓度 (3～ 9mmol/ L )的 Na HSO3对叶片光合速率有明显促进作用 ,作用效果长达 6 d之久 ;当 Na HSO3浓度较高 (≥ 12 mmol/ L )时对光合作用不利 ;低浓度的 Na HSO3分别与 1mmol/ L KCl和 5 mmol/ L 6 - BA配合施用 。
文摘目的建立一种离子色谱抑制电导法,用于快速测定低分子右旋糖酐氨基酸注射液中EDTA和NaHSO3的含量。方法采用Dionex的阴离子交换色谱柱IonPac AS11-HC和IonPac AH11-HC保护柱对样品进行分离,以13 mmol/L的KOH溶液为淋洗液,流速为1.0 m L/min抑制性电导检测器检测。抑制电流为70 m A,电导检测器温度为35℃,样品经稀释后直接经自动进样器进样。结果实验表明,EDTA和NaHSO3分别在1.25-20.12、3.86-61.82（g/m范围内线性关系良好（R〉0.9990）,2者平均回收率分别为100.89%、95.3%。结论该方法准确,简便快速,选择性高,重现性好,可用于低分子右旋糖酐氨基酸注射液中EDTA和NaHSO3的含量的快速同时检测。
文摘In this study,we investigated the optimal concentration of nutrient-mist and NaHSO3 for cutting propagation of Juniperus squamata ’Blue Star’,as well as the variation in the contents of chlorophyll in leaves,and solubility carbohydrate,soluble protein and other nutrition in leaves and bases of cuttings during rooting.Cuttings of grade Ⅲ(the lenghth of cutting bases lignified from 0.1 to 0.2 cm) was treated by 1/4MS+NaHSO3(200 mg·L-1),and the rooting rate rose 35% and root qualities were improved compared with control experiment,for there were different effects among three grade cuttings.The treatment of grade Ⅲ cuttings also resulted in higher content of soluble sugar and starch of those bases during rooting,especially obviously different for fifteen days,but less effect on the chlorophyll and some nutrition content of cutting leaves.
