亚硝酸

Huang bean sprouts in the decomposition of chlorophyll inside the human body can nitrite amines, which played rectal cancer prevention, such as the role of a variety of gastrointestinal cancer.

黄豆芽中的叶绿素能分解人体内的亚硝酸胺，进而起到预防直肠癌等多种消化道恶性肿瘤的作用。

New variants of some plant viruses have been produced artificially in the laboratory by treating pure virus strains with mutagens.

用亚硝酸之类的诱变处理纯病毒株系，能在实验室内人为地使有些植物病毒产生新变种。

Flow injection analysis ; catalytic spectrophotometry ; nitrite ; Victoria blue B ; medicine

流动注射分析；催化光度法；亚硝酸根；维多利亚天蓝B ；药物

Therefore, the indirect pathway, involving an active intermediate nitrogen trioxide, is the main pathway of NDMA formation.

这一结论和NDMA的形成速率与亚硝酸的浓度的平方成正比的实验结果相一致。

Nitrite reductases are the key enzymes in the denitrification pathway of the nitrogen cycle.

亚硝酸还原酶是反硝化过程中的关键作用酶，它使NO2？转变成NO，减轻了水体中的氮污染。

Copper-containing nitrite reductases ; Electron transfer ; Catalytic mechanism ; Denitrification

铜型亚硝酸还原酶；电子传递；催化机理；生物脱氮

Northern blotting analysis indicated that 5 genes, nitrate transporter gene, nitrite reductase gene, ammonium transporter gene, ATP-binding cassette transporter gene, and purine permease gene, were significantly up-regulated under nitrogen starvation.

Northern blotting验证其中5个基因，包括硝酸盐转运蛋白基因、铁氧化还原蛋白亚硝酸还原酶基因、铵盐转运蛋白基因、结合ATP盒的转运蛋白基因和嘌呤透过酶基因，在缺氮诱导条件下转录水平有明显上调。

Keywords Selenium, Iron,Nitrites,Methyl thymol blue complexone,NaNO_2,Vitamin B_（12）,Polarographic determination,Adsorptive wave,Catalytic adsorptive wave

Article From 华中师范大学；分析化学硕士论文 2004年度硒；铁；亚硝酸根；甲基百里香酚蓝络合剂； NaNO_2；维生素B_（12）；极谱法；吸附波；催化吸附波

Commonly used white and other light-colored Shoushan stone, soak in nitrite iron [Fe (NO3) 2] solution, and then out to dry; also be directly used yellow, orange and light red Shoushan Stone carving, and placed in the shell fire or electric rice chaff box, temperature 3000C ±, about 12 ~ 30 hours, you can get red ocher ~ thick ocher.

通常使用白色及其他浅色寿山石雕，浸泡于亚硝酸铁[Fe(NO3)2]溶液中，然后取出使其干燥；也可直接用黄、橙和浅红色寿山石雕，置于稻糠壳炉火或电热箱中，恒温3000C±，约12~30小时，即可获得红赭~浓赭色。

objective: to research the scavenging effect of tea on no2- in simulated vitro gastric juice.

目的 在体外模拟胃液条件下探讨了茶叶对亚硝酸根离子的消除规律。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。