硝酸

Potassium ferrocyanide itself is only slightly toxic,[3] although adding acid to its aqueous solution releases toxic hydrogen cyanide gas.

比如硫酸，硝酸，盐酸——这个在人胃里是消化液，醋酸）释放出有毒的氢氰酸。

According to the problem of the long processing time and testing cycle for food measurement, the feasibility of using one microwave digestion solution to investigate seven elements in food was discussed.

摘 要：针对食品检测前处理时间和检测周期过长的难题，用硝酸及双氧水作为消解溶剂，在设定的微波消解条件下，可以将样品消解完全，消解液中加入硫脲和L盐酸，不需任何处理可直接进行砷等7种元素的测定。

Methods: The sample extraction method of total flavonoids, including water bath water bath reflux extraction and ultrasonic extraction method, the sample determination of total flavonoids, including aluminum nitrate chromogenic method and direct color method, the sample determination of antioxidant flavonoids, including FRAP method and DPPH method.

样品总黄酮提取方法包括恒温水浴回流提取法和恒温水浴超声波提取法，样品总黄酮含量测定方法包括硝酸铝显色法和直接显色法，样品总黄酮抗氧化性测定方法包括FRAP法和DPPH法。

Separation of the two components is accomplished by dissolving the frit in dilute nitric acid .

将玻璃料溶于稀硝酸中来完成两个组分的分离。

The nuclear fuel rod is usually dissolved in concentrated nitric acid and extracted using chelate - containing organic solvent.

处理核燃料棒一般需要大量之有机溶剂以及硝酸，因而会产生大量之废液。

Indefault of fulminate, he could easily obtain a substance similar toguncotton, since he had azotic acid at his disposal.

虽然他缺少雷粉，但是很容易制造一种类似棉花火药的东西，因为他有的是硝酸。

An effective procedure for the production of chromium yellow with nitric acid hydrolysis solution of Galena was studied.

应用方铅矿的硝酸酸解液可生产出多种铅产品，其中合成铅铬黄是比较便捷的一种。

OBJECTIVE: To observe the effects of gallium nitrate on collagen and bone calcium protein in osteoporotic rat model.

目的：观察硝酸镓对骨质疏松大鼠胶原和骨钙蛋白的影响。

Fungicides washed with alkaline solution, the choice of the following drugs:① clotrimazole suppository or tablet, 1 time per night, each one or one, deep into the vagina, once a 7;② Saindak Nanjing suppository every night into a vagina, once a 7;③ nystatin suppository or tablet, 1 time per night, each one or 1 (100,000 U ), once a 7 on the 10th;④ meters may be set vagina effervescent tablets, one night, into the vagina, once a 5;⑤ 1% aqueous gentian violet涂擦vagina, 3 to 4 times a week, for 2 weeks, the drug cost, the effect is also very good, but must pay attention to drug concentration, if the drug or administering a drug过浓too frequent and easy to cause chemical vulvitis and epidermal rupture due to drug easily contaminated clothing, now has more clinical less use.

杀菌剂以碱性溶液冲洗后，选用下列药物：①克霉唑栓剂或片剂，每晚1次，每次1粒或1片，塞入阴道深部，连用7日；②达克宁（硝酸咪康唑miconazole）栓剂，每晚1粒塞入阴道，连用7日；③制霉菌素栓剂或片剂，每晚1次，每次1粒或1片（10万U），连用7～10日；④米可定阴道泡腾片，每晚1片，塞入阴道内，连用5日；⑤1％龙胆紫水溶液涂擦阴道，每周3～4次，连续2周，药物价廉，效果也很好，但必须注意用药浓度，若药物过浓或用药过频，易引起化学性外阴炎和表皮破溃，因药物易污染衣物，现临床已较少使用。

Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.

以异丙醇或THF为溶剂，盐酸或硝酸为催化剂，香叶醇与苯亚磺酸钠回流反应18或28 h得香叶基砜。

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。