您要查找的是不是:
- Determination of ammoniacal nitrogen content.Spectrophotometric method. 英文名称: Nitric acid for industrial use.
- The characteristic indexes of Daqu aroma-producing capability include ammoniacal nitrogen and the specific consumption of amylum. 氨态氮和淀粉消耗率为大?生香力的特徵指标。
- Ammoniac nitrogen pollution is to bring about Jiang He laky water system one of main factors of eutrophication. 氨氮污染是导致江河湖泊水体富营养化的主要因素之一。
- For example, fish urine containing ammoniac nitrogen content, that will affect the long-person health. 比如鱼尿里含有氨氮成分,闻久了会影响人的健康。
- Biomembrane is one of the important processes for degradating COD,phenol and ammoniacal nitrogen in wastewater treatment of petrochemical industry. 在石油化工工业污水处理中,生物膜法是降解COD、酚、氨氮等的重要工艺之一。
- Ammoniacal nitrogen in rumen fluid was the main factor affecting the level of nitrogen retention, with some influence from air temperature. 瘤胃氨氮量是影响粗蛋白质存留率的主要因素;气温影响次之.
- The degradation rate of COD and ammoniac nitrogen reached 94.1% and 84.5%, respectively. 在最佳处理工艺条件下;COD和氨氮的降解率分别达到94.;1%25和84
- Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. 肥料.;在氢氧化钠作用下其它物质释放出的氨气中测定氨态氮的含量
- Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide.Titrimetric method. 肥料.;在氢氧化钠作用下其它物质释放出的氨气中测定氨态氮的含量
- As a result, rational contents of acidity, ammoniacal nitrogen, humus and efficient phosphor were realized.Besides, appropriate temperature and sealed culture were emphasized ... 酸度、氨态氮、腐殖质、有效磷等的含量适合,采用适宜的培养温度和密封条件培养并加强管理。
- All the additives reduced ammoniac nitrogen of rectum digesta to some degree, and the combination was significant(P<0.05). 各添加剂均能在不同程度上减少直肠内容物氨氮,其中联合添加效果显著(P<0.;05)。
- The research results indicated that the automatic Kjeldahl apparatus method was an accurate and reliable method for determination of ammoniacal nitrogen in silage. 研究结果证明,自动凯氏定氮仪法是一种准确可靠的青贮饲料中氨态氮检测方法。
- Making use of ammoniacal nitrogen in phosethyl-Al waste liquor replacing solid ammonium sulfate to produce aluminium ammonium sulfate,the ratio of liquid to solid is (1. 研究了原料制备、过滤介质、结晶方式、助剂投量对高纯硫酸铝铵生产的影响 ,提出了新的工艺路线 ,给出了最佳操作条件 ,产品完全满足用户的需求。
- By 2005, China will be integrated environment-water pollution, and through engineering measures for the chemical oxygen demand and ammoniac nitrogen emissions reduced by 10%. 到2005年,中国将对受到污染的水环境进行综合整治,并通过工程措施使化学需氧量和氨氮的排放总量削减10%25。
- Layer?s drinking water from two supplying sites in the two seasons, the concentration of ammoniacal nitrogen and nitrite-N were higher, the amount of bactria exceeded China?s drinking water criteria, but the pH accorded with the criteria. 两饮水点(自来水),冬春两季氨氮、亚硝酸盐氮含量较高,细菌数量严重超标,pH值均符合饮水标准。
- Ammoniac nitrogen enters salt of nitric acid of the translate into after soil, the chroma when arriving at groundwater is less than 30 milligram / litre, far be less than the lowermost standard with drinkable groundwater. 氨氮进入土壤后转化为硝酸盐,到达地下水时浓度小于30毫克/升,远小于地下水饮用的最低标准。
- Biological denitrogenation technology,which removes more nitrogen from the original average processing by rate of 2% ammoniac nitrogen is narrated in aspects of theory,equipment and processes. 从原理、设备与流程等方面叙述了生物脱氮技术,使原来平均处理率仅为2%25的氨氮得到了较为满意的效果。
- Determination of ammoniacal nitrogen content; ISO 5314-1981 肥料 氨态氮量的测定 蒸馏后滴定法 Fertilizers;
- ammonium pitrogen ammoniacal nitrogen 氨态氮
- Air consists chiefly of nitrogen. 空气主要由氮气组成。