英 [ˈnaɪtreɪt] 美 [ˈnaɪtreɪt]
n. 硝酸盐
v. 用硝酸处理
复数nitrates
第三人称单数nitrates
现在分词nitrating
过去式nitrated
过去分词nitrated
nitrate /ˈnaɪtreɪt/ TEM8
集合名词 Nitrate is a chemical compound that includes nitrogen and oxygen. Nitrates are used as fertilizers in agriculture. 硝酸盐
High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
因为大量使用化肥,中西部地区的硝酸盐含量很高。
any compound containing the nitrate group (such as a salt or ester of nitric acid)
treat with nitric acid, so as to change an organic compound into a nitrate
硝氮-引用次数:524
参考来源高产粮田优化施氮效应研究
硝态氮-引用次数:521
Different soil fertility influents the crop production and nitrate content.
6.不同土壤肥力影响作物产量、硝态氮含量。
参考来源高产粮田优化施氮效应研究
硝酸根-引用次数:21
In conditions without the addition of nitrate, the denitrification of sediment in autumn is I4.65 g. m-2,h-1, while it’s 6.25 g. m-2. h-1 at lest in winter.
在不添加硝酸根的情况下,秋季底泥的反硝化势为14.65μg.m~(-2).h~(-1),添加硝酸根的底泥反硝化势为78.44μg.m~(-2).h~(-1)。
硝酸根-引用次数:31
硝酸银-引用次数:28
硝酸酯-引用次数:13
硝酸盐
硝酸酯-引用次数:17
Indication: (1) persistent chest pain exists for more than 30 min, and nitrate esters fails to be effective.
病例入选标准:(1)持续胸痛超过30分钟,硝酸酯类药物治疗无效。
硝酸根-引用次数:9
Also, high concentration nitrate reduces the auxin sensitivity.
同时,较高浓度的硝酸根还降低了生长素的敏感度。
硝酸盐
酯
根
硝酸盐
三、危害反应(Hazardous Reactions) (一)反应性及不相容性(Reactivities and Incompatibilities): 硝酸盐(Nitrates);强氧化剂、强酸及强碱。 (二)分解(Decomposition): 经由加热分解会释出刺激性烟雾。
中国最大的综合性文献数据库 -维普资讯 关键词: 麦草秸秆 硝酸根 吸附 最大吸附量 拉曼光谱[gap=1671]Key words: wheat straw; nitrate; adsorption; maximum adsorption capacity; Raman spectrum
新鲜白菜含有大量无毒的硝酸(Nitrate)盐类, 明升煮熟后如放置较久,由于细菌的作用,会使硝酸盐还原成毒性很强的亚硝酸盐。
We need to cut nitrate levels in water.
我们需要降低水中的硝酸盐含量。
High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
因为大量使用化肥,中西部地区的硝酸盐含量很高。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
即使是元素状态为气体的氮,也通常作为硝酸根离子从土壤中被吸收。
These can be sulfate,nitrate, ammonia,sodium chloride and if these are small particles they can be dangerous because if they are inhaled they can reach the lungs."
VOA : standard.2010.04.16
But it also illustrates just how intractable the issue of nitrate pollution has become.
They also spoke about fertiliser and compared its ammonium nitrate content with sports injury cold packs.
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Aerobic bacteria chew up the ammonia and turn it first into nitride and then to nitrate.