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- total phosphorus level 总磷
- The permissible input of total phosphorus of Lu Lake in Guangzhou and the credible level were calculated. 并以广州麓湖为例;估算不确定性条件下的总磷允许输入量及相应的可信度.
- An automatic analyzer for determination of total phosphorus in natural water. 自然水样总磷含量自动分析仪的研制。
- When wastewater is treated by eco-filter,the level of pollutants such as COD,BOD_5,total nitrogen and total phosphorus decreases and the ratios of nitrogen forms are significantly different between the influent and the effluent. 污水经生态滤池(MEEF)处理后;出水中化学耗氧量(COD)、生物需氧量(BOD5)、总氮(TN)和总磷(TP)的质量浓度降低;氮的形态构成与进水有较大差异.
- Effect of different nitrogen and phosphorus level on growth and quality of Salicornia bigelovii Torr. 不同氮磷水平对北美海蓬子生长和品质的影响。
- The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application. 总磷需求量与土壤磷潜力和施用氮肥有关。
- At the same phosphorus level, GSA of spinach shoot increased pronouncedly with increasing NH4(superscript +)-N in nutrient solutions. 在磷素水平相同时,随着营养液中铵比例的增加,菠菜茎叶中GSA显著增加。
- The result shown that total phosphorus (TP) can explain the most variation of diatom data, suggesting that it is the m. 15个水质指标中总磷解释了硅藻数据的最大变率,是影响硅藻种群分布的最重要最显著的环境变量。
- Phosphorus is an important nutrient for animals and plants, the phosphorus level in soil determines the effect of phosphatic fertilizer. 摘要磷是动植物生命活动离不开的重要营养元素,土壤的供磷水平是决定磷肥肥效的主要因素。
- The trials results showed that if the phosphorus level in the broiler diet is too low,phytase supplementation carl not improve the animal performance. 整个研究试验的结果表明:过低的日粮水平,即使添加植酸酶也不能有效地保证鸡的正常生产性能。
- By means of seeding EM(effective microorganisms) to domestic wastes,the concentration of total phosphorus can be decreased sharply. 向生活污水中接种有效微生物群(EM),能显著地降低其中总磷(TP)的浓度。
- Serum calcium level also increased ( P <0 05) but serum phosphorus level did not change, compared with the OVX group.Conclu... 结果还显示;龟地散对血清钙水平有显著升高作用(P<005);但对血清磷水平的影响却不明显。
- Major Inorganic Components: Sodium, potassium, chloride, calcium, magnesium, alkalinity, total hardness, total phosphorus, fluoride, sulphate. 主要无机成分:钠,钾,氯,钙,镁,碱度,总硬度,总磷,氟化物,硫酸盐
- Surface water is generally coloured and turbid.When total phosphorus is analyzed by luminometer, the monitoring result will be somewhat high. 地面水一般带色且浊,采用光度法分析水样中总磷时,会使测定结果偏高。
- Total phosphorus in water was determined by microwave digestion-spectrophotometry,using potassium persulphate as the reducing agent. 研究了以过硫酸钾为消解试剂,用微波消解测定水样中总磷的分析方法;
- Septic tank effluent (STE) is a typical form of sewage contenting with high ammonia nitrogen (AN), total nitrogen (TN), and total phosphorus (TP). 用Langmuir方程拟合的9种基质磷的最大吸附量从大到小的排列顺序为草炭、高炉渣人工土、高炉渣、煤灰渣人工土、耕层土、煤灰渣、中粗砂人工土、中粗砂、砾石。
- The experimental rusults show that total nitrogen and total phosphorus can be determined at the same time if the right amount of sodium hydrate and potassium persulfate are added. 实验结果表明,选用合适的氢氧化钠和过硫酸钾的加入量,可在同一消解液中同时测定总磷和总氮,并能克服消解液保存时间短的缺点。
- After 32 days, experiment, the total dissolved phosphorus (TDP) accounts for 53% of total phosphorus (TP), and phosphate (PO43-) is the main component of TDP. 经32d降解后,水体内的总溶解磷(TDP)可达总磷(TP)的53%25,而 TDP的主要成分为PO_4~(3-)。
- However, it is unknown if serum phosphorus levels influence vascular risk in individuals without CKD or CVD. 然而无机磷水平在没有慢性肾病或心血管疾病的个体中是否影响其血管事件的危险仍然不明确。
- The oxygen-flask cormbustion method is used to determine the total phosphorus in cotton seed using lanthanum nitrate as titrant and haematoxylin as indicator. 氧瓶燃烧法以硝酸镧标准溶液做滴定剂,苏木精为指示剂,测定棉籽中的总磷。