名词解释题硝铵态氮肥 ammonium and nitrate nitrogen fertilizer

名词解释题
硝铵态氮肥 ammonium and nitrate nitrogen fertilizer

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最好能与有机肥一起沤制后使用的化学肥料是()A、铵态氮肥B、磷肥C、硝态氮肥D、尿素

不宜与碱性肥料混合施用,以免产生氨挥发损失的氮肥品种是()。 A、长效氮肥B、硝态氮肥C、铵态氮肥D、酰胺态氮肥

哪一种不是常用氮肥按其存在状态分类() A、铵态氮肥B、水溶性氮肥C、硝态氮肥D、酰胺态氮肥

共用题干第三篇Why So Risky in Chemical FactoriesWhich is safer一staying at home,traveling to work on public transport,or working in the office?Surprisingly,each of these carries the same risk,which is very low. However,what about flying compared to working in the chemical industry?Unfortunately,the former is 65 times riskier than the latter!In fact,the accident rate of workers in the chemical industry is less than that of almost any of human activity,and almost as safe as staying at home.The trouble with the chemical industry is that when things go wrong they often cause death to those living nearby.It is this which makes chemical accidents so newsworthy.Fortunately,they are extremely rare.The most famous ones happened at Texas City(1947),Flixborough(1974),Seveso (1976),Pemex(1984)and Bhopal(1984).Some of these are always in the minds of the people even though the loss of life was small.No one died at Seveso,and only 28 workers at Flixborough.The worst accident of all was Bhopal,where up to 3,000 were killed.The Texas City explosion of fertilizer killed 552.The Pemex fire at a storage plant for natural gas in the suburbs of Mexico City took 542 lives,just a month before the unfortunate event at Bhopal.Some experts have discussed these accidents and used each accident to illustrate a particular danger. Thus the Texas City explosion was caused by tons of ammonium nitrate(硝酸铵),which is safe unless stored in great quantity.The Flixborough fireball was the fault of management,which took risks to keep production going during essential repairs.The Seveso accident shows what happens if the local authorities lack knowledge of the danger on their doorstep.When the poisonous gas drifted over the town,local leaders were incapable of taking effective action.The Pemex fire was made worse by an overloaded site in an overcrowded suburb.The fire set off a chain reaction of exploding storage tanks.Yet,by a miracle,the two largest tanks did not explode.Had these caught fire,then 3,000 strong rescue team and fire fighters would all have died.From the passage we know that ammonium nitrate is a kind of________.A:natural gas,which can easily catch fireB:fertilizer,which can't be stored in a great quantityC:poisonous substance,which can't be used in overcrowded areasD:fuel,which is stored in large tanks

草木灰呈碱性,不能与()混合使用。A、硝态氮肥B、铵态氮肥C、磷肥D、钾肥

根据氮肥中氮素化合物的形态,可将氮肥分为()。A、碳酸氢铵B、铵态氮肥C、硝态氮肥D、尿素E、酰铵态氮肥

一般认为,蔬菜类作物是喜()肥料的作物。A、铵态氮肥B、硝态氮肥C、铵态氮肥或硝态氮肥D、不含氯的铵态氮肥

硝态氮 nitrate nitrogen

降雨频繁的季节,追肥最好用()A、硝态氮肥B、长效氮肥C、铵态氮肥D、酰胺态氮肥

下列属于铵态氮肥的为()。A、硝酸铵B、硝态氮肥C、尿素D、碳酸氢铵E、硝酸钙

氮肥可以分为()。A、铵态氮肥B、硝态氮肥C、酰胺态氮肥D、复合肥E、都不是

铵态氮肥、硝态氮肥、酰胺态氮肥各有什么特点?

下列化学肥料可以暂时混合()A、硝态氮肥与过磷酸钙B、硝态氮肥与其它无机肥料C、尿素与氯化钾D、铵态氮肥与碱性肥料

硝铵态氮肥 ammonium and nitrate nitrogen fertilizer

铵态氮肥 ammonium nitrogen fertilizer

尿素属于()A、铵态氮肥B、硝态氮肥C、酰胺态氮肥D、复全肥

英译中(Translate):nitrate reductase()

硝酸盐同化作用(assimilatory nitrate reduction)

铵盐同化作用(assimilation of ammonium)

名词解释题硝态氮 nitrate nitrogen

填空题英译中(Translate):nitrate reductase()

单选题一般认为,蔬菜类作物是喜()肥料的作物。A铵态氮肥B硝态氮肥C铵态氮肥或硝态氮肥D不含氯的铵态氮肥

单选题茶树对铵态氮肥料的吸收利用率比硝态氮()。A高B差不多C低

单选题最好能与有机肥一起沤制后使用的化学肥料是()A铵态氮肥B磷肥C硝态氮肥D尿素

名词解释题铵态氮肥 ammonium nitrogen fertilizer

单选题尿素属于()。A铵态氮肥B硝态氮肥C酰胺态氮肥D复全肥

多选题根据氮肥中氮素化合物的形态,可将氮肥分为()。A碳酸氢铵B铵态氮肥C硝态氮肥D尿素E酰铵态氮肥